CA2210338C - Soft treated tissue - Google Patents
Soft treated tissue Download PDFInfo
- Publication number
- CA2210338C CA2210338C CA002210338A CA2210338A CA2210338C CA 2210338 C CA2210338 C CA 2210338C CA 002210338 A CA002210338 A CA 002210338A CA 2210338 A CA2210338 A CA 2210338A CA 2210338 C CA2210338 C CA 2210338C
- Authority
- CA
- Canada
- Prior art keywords
- composition
- tissue
- tissue product
- weight percent
- wax
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/22—Agents rendering paper porous, absorbent or bulky
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0208—Tissues; Wipes; Patches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31993—Of paper
Abstract
A soft tissue product is disclosed having uniformly distributed surface deposits of a solidified composition having a melting point of from about 30 °C to about 70 °C. The solidified composition is applied to the outer surfaces of the tissue product in melted form, preferably by rotogravure printing. The solidified composition contains an oil, a wax, and preferably a fatty alcohol.
Description
SOFT TREATED TISSUE
Back4round of the Invention Absorbent tissue products such as facial tissue and bath tissue have been used to absorb body fluids and leave the skin dry. Absorbent ' tissues, in addition to absorbing fluids, however, have also abraded the skin. In particular, during frequent nose-blowing, the skin can become so abraded as to appear red and be sore to the touch. To reduce skin abrasion, tissue additive formulations can be applied to the tissue such that, in use, the additive formulation either provides lubricity causing the tissue to glide across the surface of the skin, or leaves the tissue and is deposited on the skin.
To date, these formulations have been liquids or semi solids at room temperature to enable them to be easily deposited onto the tissue. A
high amount of these liquids is required to be deposited on the tissue to deliver the benefit of reduced skin irritation and redness because these liquids absorb into the tissue, leaving less on the surface to provide the benefit.
Thus, there is a need for a formulation that can be applied to a tissue which will remain readily available for transfer to the user's skin to reduce skin irritation and redness in an efficient cost-effective manner.
Summary of the Invention It has now been discovered that a superior soft tissue product can be made by applying, on the surfaces) of the tissue, large numbers of individual deposits of a melted moisturizing/protective composition comprising a wax and an oil, and thereafter resolidifying the composition to form a distribution, preferably a uniform distribution, of solid deposits on the surfaces) of the tissue. Because the composition is a solid at room temperature and rapidly solidifies after deposition, it has less tendency to penetrate and migrate into the sheet. Compared to tissues treated with liquid formulations, this leaves a greater percentage of the added composition on the surface of the tissue where it can contact and transfer to the user's skin to provide a benefit.
Furthermore, a lower add-on amount can be used to deliver the same benefit at lower cost because of the efficient placement of the composition substantially at the surface of the product.
Hence, in one aspect the invention resides in a tissue product having one or more plies, wherein one or both of the outer surfaces of the product have uniformly distributed solidified deposits of a composition comprising from about 30 to about 90 weight percent oil, and from about 10 to about 40 weight percent wax, preferably also containing from about 5 to about 40 weight percent fatty alcohol, said composition having a melting point of from about 30°C. to about 70°C., more specifically from about 40°C. to about 60°C. For purposes herein, "melting point" is the temperature at which the majority of the melting occurs, it being recognized that melting actually occurs over a range of temperatures.
In another aspect, the invention resides in a method of making a soft tissue product comprising: (a) heating a composition comprising an oil, wax, and preferably a fatty alcohol, to a temperature above the melting point of the composition, causing the composition to melt, said composition having a melting point of from about 30°C. to about 70°C.;
(b) uniformly applying the melted composition to one or both surfaces of a tissue web in spaced-apart deposits; and (c) resolidifying the deposits of the melted composition. Resolidification of the deposits can occur almost instantaneously, without the need for external cooling means such as chill rolls, if the composition is heated to a temperature only slightly above or at the melting point of the composition. However, external cooling means such as chill rolls, either before or after the application of the melt, can be used if desired to accelerate resolidification. Such instantaneous resolidification tends to impede penetration of the composition into the tissue and retain it on the surface of the tissue, which is advantageous. For example, the temperature of the melted composition can advantageously be above the melting point about 10°C. or less, more specifically about 5°C.
or less, and still more specifically about 2°C. or less. As the temperature of the melted composition approaches the melting point, the viscosity of the melted composition generally increases, which further enhances the tendency of the melted composition to be retained on the surface.
_2_ The amount of oil in the composition can be from about 30 to about 90 weight percent, more specifically.'from about 40 to about 70 weight percent, and still more specifically from about 45 to about 60 weight percent. Suitable oils include, but are not limited to, the following A
classes of oils: petroleum or mineral oils, such as mineral oil and petrolatum; animal oils, such as mink oil and lanolin oil; plant oils, such as aloe extract, sunflower oil and avocado oil; and silicone oils, such as dimethicone and alkyl methyl silicones.
The amount of wax in the composition can be from about 10 to about 40 weight percent, more specifically from about 10 to about 30 weight percent, and still more specifically from about 15 to about 25 weight percent. Suitable waxes include, but are not limited to the following classes: natural waxes, such as beeswax and carnauba wax; petroleum waxes, such as paraffin and ceresine wax; silicone waxes, such as alkyl methyl siloxanes; or synthetic waxes, such as synthetic beeswax and synthetic sperm wax.
The amount of fatty alcohol in the composition, if present, can be from about 5 to about 40 weight percent, more specifically from about 10 to about 30 weight percent, and still more specifically from about 15 to about 25 weight percent. Suitable fatty alcohols include alcohols having a carbon chain length of C~4 - C3o, including cetyl alcohol, stearyl alcohol, behenyl alcohol, and dodecyl alcohol.
In order to better enhance the benefits to consumers, additional ingredients can be used. The classes of ingredients and their corresponding benefits include, without limitation, Coo or greater fatty alcohols (lubricity, body, opacity); fatty esters (lubricity, feel modification); vitamins (topical medicinal benefits); dimethicone (skin protection); powders (lubricity, oil absorption, skin protection);
preservatives and antioxidants (product integrity); ethoxylated fatty alcohols; (wetability, process aids); fragrance (consumer appeal);
lanolin derivatives (skin moisturization), colorants, optical brighteners, sunscreens, alpha hydroxy acids, natural herbal extracts, and the like.
The total tissue add-on amount of the composition can be from about 35' 1 to about 40 weight percent, more specifically from about 5 to about 25 weight percent, and still more specifically from about 10 to about 15 weight percent, based on the weight of the tissue. The add-on amount will depend upon the desired effect of the composition on the product attributes and the specific composition. A preferred method to uniformly apply the heated composition to the surface of the tissue web is rotogravure printing, either direct or indirect (offset), because it is the most exact printing process and offers maximum control of the composition distribution and transfer rate. However, other printing methods, such as flexographic printing, can also be used.
The surface area coverage of the composition is preferably uniform , over substantially all of the tissue surface, but only partially covers the surfaces) of the tissue product. This is achieved by a large number of small spaced-apart deposits which, when viewed by the naked eye, appear to cover the entire surface, but in fact do not. The actual surface area coverage of the deposits can be from about 30 to about 99 percent, more specifically from about 50 to about 80 percent. ("Surface area" is the area of a simple plan view of the tissue, not taking into account the three-dimensional topography of the tissue which would otherwise increase the surface area value for any given tissue sample).
By providing a large number of very small deposits, the penetration of the composition can be more easily controlled to substantially remain on or near the surface of the tissue. Gravure printing is ideally suited to such an application by providing, for example, from about 10 to about 1000 deposits per lineal inch of surface, or from about 100 to about 1,000,000 deposits per square inch. This encompasses several well known engraving techniques, such as mechanical engraving, acid-etch engraving, electronic engraving and ceramic laser engraving. A suitable electronic engraved example is about 250 deposits per lineal inch of surface, or about 62,500 deposits per square inch. By providing such a large number of small deposits, the uniformity of the deposit distribution is very high. The uniformity can be quantified by image analysis as will hereinafter be described and preferably can be characterized by a percent coefficient of variation of about 15 or less, more specifically about 10 or less, and still more specifically from about 5 to about 15. Because of the large number of small deposits applied to the surface of the tissue, the deposits more readily resolidify on the surface of the tissue where they is most effective in benefiting the user. As a consequence, a relatively low amount of the composition can be used to cover a large area.
In some embodiments, the products of this invention can be characterized by their hydrophobicity, which helps prevent "wet-through"
to the'user's hands during use. This property can be objectively measured by the Sink Time, which is described in U.S. Patent No.
4,950,545 entitled 'Multifunctional Facial Tissue" and issued August x1, 1990 to Walter et al. The Sink Time can be abaut 30 seconds or greater, more specifically about 40 seconds or~greater, still more specifically from about 50 to about 150 seconds or greater. These Sink Times can be dramatically increased by a factor of 3-5 times by heating the treated tissues of this invention to temperatures of from about 100 to about 150 'F. Heat treated tissues can exhibit Sink Times of about 150 or greater.
The tissue product of this invention can be one-ply, two-ply, three-piy ar more. In all cases, the composition is applied to the outer surfaces) of the product. The composition can be applied after the plies are brought together or prior to bringing the plies together. The individual plies can be layered or M ended (homogeneous), creped or uncreped, throughdried or wet-pressed. Wurprisingly, it had been found that blended tissue basesheets provide equivalent performance to layered basesheets, hence layering is unnecessary.
grief Descri tion pf ttlg Drawing Figure 1 is a schematic process flow diagram of a method of this invention in which the composition is applied to a creped tissue sheet during manufacturing using a heated rotogravure printer.
figure 2 is a schematic process flow diagram of a method of this _ invention similar to Figure 1, in which the web to be treated is sourced from a parent roll.
Figure 3 is a schematic depiction of the heated rotogravure process in which the melted composition is applied to both sides of the tissue sheet.
Figure 4 is a further schematic depiction of a method of this invention in which both sides of the tissue product are printed with the melted composition using a combination of heated offset gravure printing and heated direct gravure printing.
Figure 5 is a further schematic depiction of a method of this invention in which hoth sides of a tissue sheet are simultaneously ' printed with the melted composition using heated offset gravure printing.
_5_ Figure 6 is a further schematic depiction of a method of this invention in which both sides of the tissue sheet are consecutively printed with the melted composition using heated offset gravure printing.
Figures 7A and 7B are photographs of the surfaces of an osmium tetroxide-stained tissue of this invention and that of a commercially-available 1-otion-treated tissue, respectively, illustrating the area coverage of the two compositions. , Figures 8A-F and 9A-F are cross-sectional photographs of two osmium tetroxide-stained tissues in accordance with this invention, illustrating the degree of penetration of the treatment compositions.
Figures l0A-F are cross-sectional photographs similar to those of Figures 8 and 9, but for a commercially available tissue product, PUFFS~
Plus.
Detailed Description of the Drawing In the descriptions of the following figures, the same reference numerals will be used to depict the same items from figure to figure.
Referring to Figure 1, one aspect of the invention will be described in greater detail. Shown is a tissue sheet 1 approaching a Yankee dryer 2 and being dislodged from the dryer with a creping blade 3. The dried creped tissue sheet 4 is passed to a heated rotogravure printing station comprising backing roll 6 and engraved roll 7, at which point the melted composition is applied to one surface of the tissue sheet. The treated tissue sheet is then wound into a roll 8 for subsequent converting operations.
During the printing operation, the melted composition to be applied to the tissue sheet is supplied by a heated supply tank 10 and pumped to the heated doctor application head 11 by a suitable metering pump. It is necessary to maintain constant temperature in the process. Accordingly, the melted composition is continually circulated between the supply tank and the application head while maintaining an adequate amount in the reservoir. The heated doctor applicator head supplies the melted composition to the engraved roll, the surface of which contains a plurality of small cells having a transfer volume necessary to achieve the desired effect. By way of example, a suitable engraved roll has a line screen of 250 lines per lineal inch and a volume of 5.0 billion cubic microns (BCM) per square inch of roll surface. Typical cell R'O 96/24723 PCT/US96/01297 dimensions for this roll are 150 microns in length, 110 microns in width, and 30 microns in depth.
In operation the engraved roll is loaded to the backing roll to force the tissue web or sheet into contact with the engraved roll. The backing roll can be any material that meets the process requirements such as natural rubber, synthetic rubber or other compressible surfaces.
Loading pressures can vary from approximately 5-50 pli (roll to roll interference) to a gravure roll/backing roll gap of 0.008" (no roll to roll contact).
Figure 2 is similar to Figure 1~, differing only in that the tissue sheet to be printed with the melted composition is supplied from a parent roll 15. This is intended to depict off-line printing, in which the printing operation is carried out independently of the tissue sheet manufacturing process. The sheet 17 being printed with the melted composition can be a single ply or it can be multiple plies. The resulting sheet is then wound into a roll 16 for further converting operations.
Figure 3 is similar to Figure 2, but illustrates two-sided direct heated rotogravure printing of the sheet using two printing stations in sequence. Two-sided printing is desirable when the effect of adding the composition is desired on both sides of a single ply product or when the tissue product consists of two or more plies.
Figure 4 represents two-sided printing of the tissue sheet using an offset heated gravure printing method on one side of the sheet and a direct heated gravure printing method on the other side of the sheet. In this method, the engraved roll 7 and the backup roll 6 (now doubling as an offset applicator roll) can be the same as the rolls used for the previously described methods. However, the second engraved roll 20 requires different liquid delivery characteristics and thus is engraved slightly differently. For such rolls, for example, the direct engraving specifications can be 250 line screen, 5.0 BCM. Typical cell dimensions for such a roll can be 150 microns in length, 110 microns in width, and 30 microns in depth. The offset engraving specifications can be 250 line screen, 4.0 BCM, 140 microns in length, 110 microns in width, and 26 microns in depth.
Figure 5 represents a method of printing both sides of the sheet using simultaneous heated offset gravure printing.
_7_ 3 . - PCT/US96/01297 Figure 6 represents a method of printing both sides of the sheet in succession using two heated offset gravure printing stations. For each printing station, the addition of a backing roll 21 is necessary.
Figures 7A and 7B are plan views of the surface of a three-ply facial tissue of this invention (7A) and PUFFS~ Plus facial tissue (7B), , which is a commercially available lotion-treated tissue. The two tissues were treated with osmium tetroxide (Os04) vapors to render the , translucent/white lotion visible against the white pulp fibers in the tissue. Osmium tetroxide reacts with available carbon double bonds to form osmium metal complexes with the carbon. This both stabilizes or "fixes" the affected material and stains the material black, which is desirable for generating contrast.
The osmium tetroxide treatment is carried out by placing the tissues loosely in a glass bell jar having an opening diameter of about 12-16 inches and a depth of about 12 inches. Care is taken not to stack the tissues, which would hinder adequate penetration of the vapors to all tissues. Osmium tetroxide is received as a crystalline solid in a sealed glass ampule which is broken open and placed in the bell jar with the tissues. The top is placed on the bell jar forming an air-tight seal.
The tissues remain in the bell jar for about 24 to 48 hours. The osmium tetroxide has a high vapor pressure and sublimes readily to a gas which permeates the bell jar chamber. After staining is complete, the bell jar is opened and the samples are allowed to ventilate 12 to 24 hours before handling in order to release any residual unreacted vapors. Note: The greatest care must be exercised when using osmium tetroxide. It is a powerful oxidizer and highly toxic. All procedures with this material should be conducted in a fume hood with adequate air flow.
After the osmium tetroxide treatment, the tissues were viewed under a microscope at magnification of 7.5X with crossed-polarized light. As shown, the tissue of this invention exhibited greater uniformity in coverage. The uniformity was also confirmed using gray-level histogram analysis on the dyed tissues. The tissue of this invention had an average percent coefficient of variation (COV) of 10.6, whereas the PUFFS~ Plus tissue had an average percent coefficient of variation of 22.6, indicating significantly less variability in coverage for the tissue of this invention. ' In order to measure the percent coefficient of variation, the osmium-treated sheet was viewed with an omnidirectional darkfield - g _ lighting produced by an 8-bulb octagonal ring illuminator surrounding a 50 millimeter EL-Nikkor lens attached to a 10 millimeter C-mount extension tube. This was input into a Quantimet 970 Image Analysis System (Leica, Deerfield, IL) by a chalnicon scanner. The field size (standard live frame) was 2.77 centimeters x 2.17 centimeters. Various fields of the osmium-treated tissue were placed under the lens and a measured using a black photodrape background. Six (6) fields in total were measured. The scanner white level is always set at 1.00 volt. At the end, the histogram was printed out and its standard deviation divided by its mean gray level to produce the coefficient of variation. When multiplied by 100, this becomes the percent coefficient of variation.
Referring to Figures 8 and 9 (this invention) and Figure 10 (PUFFS
Plus), the three osmium tetroxide-stained tissues were cross-sectioned in the machine direction. Six representative segments (A-F) of each tissue were photographed under approximately 200X magnification to illustrate the difference in the degree of penetration of the composition deposits and the ability of the method of this invention to substantially confine the treatment composition to the surface of the treated tissue sheet. As shown, the PUFFS~ Plus cross-sections illustrate that the treatment was sporadic and not uniform and more often penetrated completely through the tissue. By comparison, the tissues of this invention retained more of the treatment composition on the top surface of the treated ply.
The ability of the method of this invention to substantially retain the composition on the surface of the tissue was quantified using image analysis. More specifically, the imaging and optical conditions for this analysis were the same as described above for the uniformity measurement.
But in this case, top surface and bottom surface pieces of each ply of tissue were placed tightly next to each other to form a "butt joint" with no gap between the two pieces. The sample is placed under the lens with, for example, the lighter bottom surface piece on the right of the image frame and the darker top surface piece on the left of the image frame.
If first measuring the gray-level histogram of the lighter, bottom surface, the variable live frame is placed over just that region of the image frame, with the scanner white level set at 1.00 volt for the whole field. Then the sample is rotated so that the lighter bottom surface is now on the left. The scanner is adjusted again to 1.00 volt and this surface is once again isolated by the variable live frame. This data is _g_ accumulated into the same gray-level histogram. The mean gray level for the bottom surface, GL , is recorded.
BOTTOM
The same procedure is then conducted on the darker, top surface that occupies the other half of the image, again with the scanner white level set at 1.00 volt for the entire image. (This will tend to compensate for the overall differences in the amount of the composition added to the tissue, while zeroing in more accurately on whether the composition is on .
the top or bottom surface, which reflects the degree of penetration.) Again, the mean gray level for the top surface, GLTOP, is recorded.
Finally, the difference between the two mean gray levels, GLpIFF~ is calculated as a value inversely related to the penetration:
GLOIFF ' GLBOTTOM - GLTOP
Note that if GLpIFF is zero or negative, then complete penetration has occurred. If GLpIFF is strongly positive, then most of the osmium-stained composition is sitting on the top surface of the tissue.
The GLpIFF values for the two tissue samples of this invention as illustrated in Figures 8 and 9 were 10.4 and 6.1. By comparison, the PUFFS Plus tissue sample had a GLpIFF value of -2.1. In general, the tissues of this invention can be characterized by a GLpIFF of about 5 or greater, more specifically about 10 or greater, and still more specifically from about 5 to about 15.
Examples Example 1 A skin-moisturizing formula having a melting point about 45°C. was prepared having the following composition:
Weight Percent 1. Dimethicone 100 cst 1.0 2. Isopropyl Palmitate 3.0 3. Vitamin E Acetate 0.1 4. Aloe Extract 0.1 5. Mineral Oil 59,g 6. Ceresin Wax (M. P. 66-71°C.) 18.0 7. Cetearyl Alcohol 18.0 The formulation was prepared by premixing the dimethicone and the isopropyl palmitate until uniform. While heating, the aloe vera extract and the vitamin E extract were added and mixed. Mineral oil was added _ and the formulation was mixed until uniform. The mixture was further heated to a temperature of 55-60°C. The ceresin wax was added. The WO 96/24723 PCTlUS96101297 mixture was further heated to 60-65°C. with agitation until the ceresin wax was melted. Cetearyl alcohol was slowly ac~~ed to the mixture while maintaining agitation to avoid clumping. The temperature was maintained at about 55-60°C. and mixing continued until the cetearyl alcohol was melted. At this point the formulation was ready for use.
, The resulting formulation was applied to both surfaces of a wet-pressed three-ply tissue basesheet (basis weight of about 23 pounds per 2880 square feet) via a heated rotogravure printing process at an add-on level of 16 weight percent total add-on as described in Figure 4.
Specifically, the formulation was pre-melted at about 56°C. in a stainless steel heated supply tank. The press supply system and press (supply hoses, doctor application heads, and gravure rolls) were preheated to about 55°C. The formulation was transferred from the heated application heads to the heated direct and offset gravure rolls.
The gravure rolls were electronically engraved, chrome over copper rolls supplied by Southern Graphics Systems, Louisville, KY. The direct gravure roll had a line screen of 200 cells per lineal inch and a volume of 6.0 BCM per square inch of roll surface. Typical cell dimensions for this roll were 180 microns in length, 145 microns in width, and 34 microns in depth. The offset gravure roll was 250 line screen, 5.0 BCM, 150 microns in length, 110 microns in width and 30 microns in depth. The rubber backing roll/offset applicator roll was a 72 Shore A durometer Flex Touch 1 supplied by Republic Roller, Three Rivers, MI.
The direct gravure roll was set up to a condition having about 0.003 inch clearance from the rubber backing roll. The offset gravure roll was set up to a condition having 0.375 inch interference between the gravure roll and the rubber backing roll. The combination heated direct and heated offset gravure printer was run at a speed of 750 feet per minute.
The composition deposits solidified substantially instantaneously after exiting the press.
When cut into individual facial tissue sheets, the resulting tissue product was preferred by consumers for softness, thickness, absorbency and overall over PUFFS Plus facial tissue.
Example 2 A skin-protecting formulation having the following composition and a melting point of about 56-60°C. was prepared similarly to that of Example 1:
Weight Percent 1. Mineral Oil 59.0 2. Zinc Oxide 1.0 3. Ceresin Wax (M. P. 64-67°C.) 20.0 4. Cetearyl Alcohol 20.0 The above formulation was applied as described above to both surfaces of a one-ply uncreped throughdried bath tissue in an amount of weight percent. The resulting tissue had an improved soft feel and 15 was preferred overall over Charmin~ Plus bathroom tissue.
Example 3 A skin moisturizing/protecting formulation with a melting point of about 61°C. having the following composition was prepared similarly to that of Example 1:
Weight Percent 1. Dimethicone 2.0 2. Isopropyl Palmitate 4.0 3. Acetulan* 5.0 4. Mineral Oil 45.0 5. Vitamin E Acetate 2.p 6. Aloe Extract 2.0 7. Ceresin Wax (M. P. 66-71°C.) 20.0 8. Behenyl Alcohol 20.0 * Cetyl acetate and acetylated lanolin alcohol, Amerchol Corp.
The above formulation was applied as in Example 1 to both sides of a two-ply facial tissue at a level of 26 weight percent total add-on.
Example 4 A three-ply facial tissue was prepared as described in Example 3, except the formulation add-on was 18 weight percent based on the weight of the two outer plies.
Example 5 A facial tissue was prepared as described in Example 4 except the add-on level was 22 weight percent based on the weight of the two outer plies.
In a consumer use test, the tissues of Examples 3, 4 and 5 were all preferred for softness, thickness, absorbency and overall over PUFFS~
Plus.
Example 6 For comparison, treated tissues were prepared as described above with formulations which did not deliver a consumer-preferred product.
Specifically, a first formula was prepared with the following ingredients:
Weight Percent 1. Dimethicone and Dimethiconal 5.0 2. Dimethicone 20 cst 15.0 3. Isopropyl Palmitate 3.0 4. Isodecyl Neopentoate 20.0 5. Acetulan 6. Mineral Oil 25.0 7. Glyceryl Monohydroxystearate 15.0 8. Cetyl Alcohol 10.0 This formulation was applied to a two-ply facial tissue as described above with a 14 weight percent total add-on level.
A second formulation was prepared with the following ingredients:
Weight Percent 1. Dimethicone 100 cst 2.0 2. Isopropyl Palmitate 4.0 3. Acetulan 5.0 4. Mineral Oil 34.0 5. Ceteareth-20 35.0 6. Cetyl Alcohol 20.0 The second formulation was applied to a two-ply tissue at a total add-on level of about 31 weight percent.
Both products were submitted to a consumer use test for a preference comparison relative to PUFFS'" Plus (the Control) as was done with the products of Examples 3, 4 and 5. In both instances, PUFFS Plus was preferred. Both test formulas lacked a wax component (as selected from the list described earlier). It is believed that the lack of a wax R'O 96/24723 PCT/L1S96101297 component reduced the ability of the oil component to remain at or near the surface of the tissue and thus preventing a preferred result.
It will be appreciated that the foregoing examples, given for purposes of illustration, are not to be construed as limiting the scope of this invention, which is defined by the following claims and all equivalents thereto.
Back4round of the Invention Absorbent tissue products such as facial tissue and bath tissue have been used to absorb body fluids and leave the skin dry. Absorbent ' tissues, in addition to absorbing fluids, however, have also abraded the skin. In particular, during frequent nose-blowing, the skin can become so abraded as to appear red and be sore to the touch. To reduce skin abrasion, tissue additive formulations can be applied to the tissue such that, in use, the additive formulation either provides lubricity causing the tissue to glide across the surface of the skin, or leaves the tissue and is deposited on the skin.
To date, these formulations have been liquids or semi solids at room temperature to enable them to be easily deposited onto the tissue. A
high amount of these liquids is required to be deposited on the tissue to deliver the benefit of reduced skin irritation and redness because these liquids absorb into the tissue, leaving less on the surface to provide the benefit.
Thus, there is a need for a formulation that can be applied to a tissue which will remain readily available for transfer to the user's skin to reduce skin irritation and redness in an efficient cost-effective manner.
Summary of the Invention It has now been discovered that a superior soft tissue product can be made by applying, on the surfaces) of the tissue, large numbers of individual deposits of a melted moisturizing/protective composition comprising a wax and an oil, and thereafter resolidifying the composition to form a distribution, preferably a uniform distribution, of solid deposits on the surfaces) of the tissue. Because the composition is a solid at room temperature and rapidly solidifies after deposition, it has less tendency to penetrate and migrate into the sheet. Compared to tissues treated with liquid formulations, this leaves a greater percentage of the added composition on the surface of the tissue where it can contact and transfer to the user's skin to provide a benefit.
Furthermore, a lower add-on amount can be used to deliver the same benefit at lower cost because of the efficient placement of the composition substantially at the surface of the product.
Hence, in one aspect the invention resides in a tissue product having one or more plies, wherein one or both of the outer surfaces of the product have uniformly distributed solidified deposits of a composition comprising from about 30 to about 90 weight percent oil, and from about 10 to about 40 weight percent wax, preferably also containing from about 5 to about 40 weight percent fatty alcohol, said composition having a melting point of from about 30°C. to about 70°C., more specifically from about 40°C. to about 60°C. For purposes herein, "melting point" is the temperature at which the majority of the melting occurs, it being recognized that melting actually occurs over a range of temperatures.
In another aspect, the invention resides in a method of making a soft tissue product comprising: (a) heating a composition comprising an oil, wax, and preferably a fatty alcohol, to a temperature above the melting point of the composition, causing the composition to melt, said composition having a melting point of from about 30°C. to about 70°C.;
(b) uniformly applying the melted composition to one or both surfaces of a tissue web in spaced-apart deposits; and (c) resolidifying the deposits of the melted composition. Resolidification of the deposits can occur almost instantaneously, without the need for external cooling means such as chill rolls, if the composition is heated to a temperature only slightly above or at the melting point of the composition. However, external cooling means such as chill rolls, either before or after the application of the melt, can be used if desired to accelerate resolidification. Such instantaneous resolidification tends to impede penetration of the composition into the tissue and retain it on the surface of the tissue, which is advantageous. For example, the temperature of the melted composition can advantageously be above the melting point about 10°C. or less, more specifically about 5°C.
or less, and still more specifically about 2°C. or less. As the temperature of the melted composition approaches the melting point, the viscosity of the melted composition generally increases, which further enhances the tendency of the melted composition to be retained on the surface.
_2_ The amount of oil in the composition can be from about 30 to about 90 weight percent, more specifically.'from about 40 to about 70 weight percent, and still more specifically from about 45 to about 60 weight percent. Suitable oils include, but are not limited to, the following A
classes of oils: petroleum or mineral oils, such as mineral oil and petrolatum; animal oils, such as mink oil and lanolin oil; plant oils, such as aloe extract, sunflower oil and avocado oil; and silicone oils, such as dimethicone and alkyl methyl silicones.
The amount of wax in the composition can be from about 10 to about 40 weight percent, more specifically from about 10 to about 30 weight percent, and still more specifically from about 15 to about 25 weight percent. Suitable waxes include, but are not limited to the following classes: natural waxes, such as beeswax and carnauba wax; petroleum waxes, such as paraffin and ceresine wax; silicone waxes, such as alkyl methyl siloxanes; or synthetic waxes, such as synthetic beeswax and synthetic sperm wax.
The amount of fatty alcohol in the composition, if present, can be from about 5 to about 40 weight percent, more specifically from about 10 to about 30 weight percent, and still more specifically from about 15 to about 25 weight percent. Suitable fatty alcohols include alcohols having a carbon chain length of C~4 - C3o, including cetyl alcohol, stearyl alcohol, behenyl alcohol, and dodecyl alcohol.
In order to better enhance the benefits to consumers, additional ingredients can be used. The classes of ingredients and their corresponding benefits include, without limitation, Coo or greater fatty alcohols (lubricity, body, opacity); fatty esters (lubricity, feel modification); vitamins (topical medicinal benefits); dimethicone (skin protection); powders (lubricity, oil absorption, skin protection);
preservatives and antioxidants (product integrity); ethoxylated fatty alcohols; (wetability, process aids); fragrance (consumer appeal);
lanolin derivatives (skin moisturization), colorants, optical brighteners, sunscreens, alpha hydroxy acids, natural herbal extracts, and the like.
The total tissue add-on amount of the composition can be from about 35' 1 to about 40 weight percent, more specifically from about 5 to about 25 weight percent, and still more specifically from about 10 to about 15 weight percent, based on the weight of the tissue. The add-on amount will depend upon the desired effect of the composition on the product attributes and the specific composition. A preferred method to uniformly apply the heated composition to the surface of the tissue web is rotogravure printing, either direct or indirect (offset), because it is the most exact printing process and offers maximum control of the composition distribution and transfer rate. However, other printing methods, such as flexographic printing, can also be used.
The surface area coverage of the composition is preferably uniform , over substantially all of the tissue surface, but only partially covers the surfaces) of the tissue product. This is achieved by a large number of small spaced-apart deposits which, when viewed by the naked eye, appear to cover the entire surface, but in fact do not. The actual surface area coverage of the deposits can be from about 30 to about 99 percent, more specifically from about 50 to about 80 percent. ("Surface area" is the area of a simple plan view of the tissue, not taking into account the three-dimensional topography of the tissue which would otherwise increase the surface area value for any given tissue sample).
By providing a large number of very small deposits, the penetration of the composition can be more easily controlled to substantially remain on or near the surface of the tissue. Gravure printing is ideally suited to such an application by providing, for example, from about 10 to about 1000 deposits per lineal inch of surface, or from about 100 to about 1,000,000 deposits per square inch. This encompasses several well known engraving techniques, such as mechanical engraving, acid-etch engraving, electronic engraving and ceramic laser engraving. A suitable electronic engraved example is about 250 deposits per lineal inch of surface, or about 62,500 deposits per square inch. By providing such a large number of small deposits, the uniformity of the deposit distribution is very high. The uniformity can be quantified by image analysis as will hereinafter be described and preferably can be characterized by a percent coefficient of variation of about 15 or less, more specifically about 10 or less, and still more specifically from about 5 to about 15. Because of the large number of small deposits applied to the surface of the tissue, the deposits more readily resolidify on the surface of the tissue where they is most effective in benefiting the user. As a consequence, a relatively low amount of the composition can be used to cover a large area.
In some embodiments, the products of this invention can be characterized by their hydrophobicity, which helps prevent "wet-through"
to the'user's hands during use. This property can be objectively measured by the Sink Time, which is described in U.S. Patent No.
4,950,545 entitled 'Multifunctional Facial Tissue" and issued August x1, 1990 to Walter et al. The Sink Time can be abaut 30 seconds or greater, more specifically about 40 seconds or~greater, still more specifically from about 50 to about 150 seconds or greater. These Sink Times can be dramatically increased by a factor of 3-5 times by heating the treated tissues of this invention to temperatures of from about 100 to about 150 'F. Heat treated tissues can exhibit Sink Times of about 150 or greater.
The tissue product of this invention can be one-ply, two-ply, three-piy ar more. In all cases, the composition is applied to the outer surfaces) of the product. The composition can be applied after the plies are brought together or prior to bringing the plies together. The individual plies can be layered or M ended (homogeneous), creped or uncreped, throughdried or wet-pressed. Wurprisingly, it had been found that blended tissue basesheets provide equivalent performance to layered basesheets, hence layering is unnecessary.
grief Descri tion pf ttlg Drawing Figure 1 is a schematic process flow diagram of a method of this invention in which the composition is applied to a creped tissue sheet during manufacturing using a heated rotogravure printer.
figure 2 is a schematic process flow diagram of a method of this _ invention similar to Figure 1, in which the web to be treated is sourced from a parent roll.
Figure 3 is a schematic depiction of the heated rotogravure process in which the melted composition is applied to both sides of the tissue sheet.
Figure 4 is a further schematic depiction of a method of this invention in which both sides of the tissue product are printed with the melted composition using a combination of heated offset gravure printing and heated direct gravure printing.
Figure 5 is a further schematic depiction of a method of this invention in which hoth sides of a tissue sheet are simultaneously ' printed with the melted composition using heated offset gravure printing.
_5_ Figure 6 is a further schematic depiction of a method of this invention in which both sides of the tissue sheet are consecutively printed with the melted composition using heated offset gravure printing.
Figures 7A and 7B are photographs of the surfaces of an osmium tetroxide-stained tissue of this invention and that of a commercially-available 1-otion-treated tissue, respectively, illustrating the area coverage of the two compositions. , Figures 8A-F and 9A-F are cross-sectional photographs of two osmium tetroxide-stained tissues in accordance with this invention, illustrating the degree of penetration of the treatment compositions.
Figures l0A-F are cross-sectional photographs similar to those of Figures 8 and 9, but for a commercially available tissue product, PUFFS~
Plus.
Detailed Description of the Drawing In the descriptions of the following figures, the same reference numerals will be used to depict the same items from figure to figure.
Referring to Figure 1, one aspect of the invention will be described in greater detail. Shown is a tissue sheet 1 approaching a Yankee dryer 2 and being dislodged from the dryer with a creping blade 3. The dried creped tissue sheet 4 is passed to a heated rotogravure printing station comprising backing roll 6 and engraved roll 7, at which point the melted composition is applied to one surface of the tissue sheet. The treated tissue sheet is then wound into a roll 8 for subsequent converting operations.
During the printing operation, the melted composition to be applied to the tissue sheet is supplied by a heated supply tank 10 and pumped to the heated doctor application head 11 by a suitable metering pump. It is necessary to maintain constant temperature in the process. Accordingly, the melted composition is continually circulated between the supply tank and the application head while maintaining an adequate amount in the reservoir. The heated doctor applicator head supplies the melted composition to the engraved roll, the surface of which contains a plurality of small cells having a transfer volume necessary to achieve the desired effect. By way of example, a suitable engraved roll has a line screen of 250 lines per lineal inch and a volume of 5.0 billion cubic microns (BCM) per square inch of roll surface. Typical cell R'O 96/24723 PCT/US96/01297 dimensions for this roll are 150 microns in length, 110 microns in width, and 30 microns in depth.
In operation the engraved roll is loaded to the backing roll to force the tissue web or sheet into contact with the engraved roll. The backing roll can be any material that meets the process requirements such as natural rubber, synthetic rubber or other compressible surfaces.
Loading pressures can vary from approximately 5-50 pli (roll to roll interference) to a gravure roll/backing roll gap of 0.008" (no roll to roll contact).
Figure 2 is similar to Figure 1~, differing only in that the tissue sheet to be printed with the melted composition is supplied from a parent roll 15. This is intended to depict off-line printing, in which the printing operation is carried out independently of the tissue sheet manufacturing process. The sheet 17 being printed with the melted composition can be a single ply or it can be multiple plies. The resulting sheet is then wound into a roll 16 for further converting operations.
Figure 3 is similar to Figure 2, but illustrates two-sided direct heated rotogravure printing of the sheet using two printing stations in sequence. Two-sided printing is desirable when the effect of adding the composition is desired on both sides of a single ply product or when the tissue product consists of two or more plies.
Figure 4 represents two-sided printing of the tissue sheet using an offset heated gravure printing method on one side of the sheet and a direct heated gravure printing method on the other side of the sheet. In this method, the engraved roll 7 and the backup roll 6 (now doubling as an offset applicator roll) can be the same as the rolls used for the previously described methods. However, the second engraved roll 20 requires different liquid delivery characteristics and thus is engraved slightly differently. For such rolls, for example, the direct engraving specifications can be 250 line screen, 5.0 BCM. Typical cell dimensions for such a roll can be 150 microns in length, 110 microns in width, and 30 microns in depth. The offset engraving specifications can be 250 line screen, 4.0 BCM, 140 microns in length, 110 microns in width, and 26 microns in depth.
Figure 5 represents a method of printing both sides of the sheet using simultaneous heated offset gravure printing.
_7_ 3 . - PCT/US96/01297 Figure 6 represents a method of printing both sides of the sheet in succession using two heated offset gravure printing stations. For each printing station, the addition of a backing roll 21 is necessary.
Figures 7A and 7B are plan views of the surface of a three-ply facial tissue of this invention (7A) and PUFFS~ Plus facial tissue (7B), , which is a commercially available lotion-treated tissue. The two tissues were treated with osmium tetroxide (Os04) vapors to render the , translucent/white lotion visible against the white pulp fibers in the tissue. Osmium tetroxide reacts with available carbon double bonds to form osmium metal complexes with the carbon. This both stabilizes or "fixes" the affected material and stains the material black, which is desirable for generating contrast.
The osmium tetroxide treatment is carried out by placing the tissues loosely in a glass bell jar having an opening diameter of about 12-16 inches and a depth of about 12 inches. Care is taken not to stack the tissues, which would hinder adequate penetration of the vapors to all tissues. Osmium tetroxide is received as a crystalline solid in a sealed glass ampule which is broken open and placed in the bell jar with the tissues. The top is placed on the bell jar forming an air-tight seal.
The tissues remain in the bell jar for about 24 to 48 hours. The osmium tetroxide has a high vapor pressure and sublimes readily to a gas which permeates the bell jar chamber. After staining is complete, the bell jar is opened and the samples are allowed to ventilate 12 to 24 hours before handling in order to release any residual unreacted vapors. Note: The greatest care must be exercised when using osmium tetroxide. It is a powerful oxidizer and highly toxic. All procedures with this material should be conducted in a fume hood with adequate air flow.
After the osmium tetroxide treatment, the tissues were viewed under a microscope at magnification of 7.5X with crossed-polarized light. As shown, the tissue of this invention exhibited greater uniformity in coverage. The uniformity was also confirmed using gray-level histogram analysis on the dyed tissues. The tissue of this invention had an average percent coefficient of variation (COV) of 10.6, whereas the PUFFS~ Plus tissue had an average percent coefficient of variation of 22.6, indicating significantly less variability in coverage for the tissue of this invention. ' In order to measure the percent coefficient of variation, the osmium-treated sheet was viewed with an omnidirectional darkfield - g _ lighting produced by an 8-bulb octagonal ring illuminator surrounding a 50 millimeter EL-Nikkor lens attached to a 10 millimeter C-mount extension tube. This was input into a Quantimet 970 Image Analysis System (Leica, Deerfield, IL) by a chalnicon scanner. The field size (standard live frame) was 2.77 centimeters x 2.17 centimeters. Various fields of the osmium-treated tissue were placed under the lens and a measured using a black photodrape background. Six (6) fields in total were measured. The scanner white level is always set at 1.00 volt. At the end, the histogram was printed out and its standard deviation divided by its mean gray level to produce the coefficient of variation. When multiplied by 100, this becomes the percent coefficient of variation.
Referring to Figures 8 and 9 (this invention) and Figure 10 (PUFFS
Plus), the three osmium tetroxide-stained tissues were cross-sectioned in the machine direction. Six representative segments (A-F) of each tissue were photographed under approximately 200X magnification to illustrate the difference in the degree of penetration of the composition deposits and the ability of the method of this invention to substantially confine the treatment composition to the surface of the treated tissue sheet. As shown, the PUFFS~ Plus cross-sections illustrate that the treatment was sporadic and not uniform and more often penetrated completely through the tissue. By comparison, the tissues of this invention retained more of the treatment composition on the top surface of the treated ply.
The ability of the method of this invention to substantially retain the composition on the surface of the tissue was quantified using image analysis. More specifically, the imaging and optical conditions for this analysis were the same as described above for the uniformity measurement.
But in this case, top surface and bottom surface pieces of each ply of tissue were placed tightly next to each other to form a "butt joint" with no gap between the two pieces. The sample is placed under the lens with, for example, the lighter bottom surface piece on the right of the image frame and the darker top surface piece on the left of the image frame.
If first measuring the gray-level histogram of the lighter, bottom surface, the variable live frame is placed over just that region of the image frame, with the scanner white level set at 1.00 volt for the whole field. Then the sample is rotated so that the lighter bottom surface is now on the left. The scanner is adjusted again to 1.00 volt and this surface is once again isolated by the variable live frame. This data is _g_ accumulated into the same gray-level histogram. The mean gray level for the bottom surface, GL , is recorded.
BOTTOM
The same procedure is then conducted on the darker, top surface that occupies the other half of the image, again with the scanner white level set at 1.00 volt for the entire image. (This will tend to compensate for the overall differences in the amount of the composition added to the tissue, while zeroing in more accurately on whether the composition is on .
the top or bottom surface, which reflects the degree of penetration.) Again, the mean gray level for the top surface, GLTOP, is recorded.
Finally, the difference between the two mean gray levels, GLpIFF~ is calculated as a value inversely related to the penetration:
GLOIFF ' GLBOTTOM - GLTOP
Note that if GLpIFF is zero or negative, then complete penetration has occurred. If GLpIFF is strongly positive, then most of the osmium-stained composition is sitting on the top surface of the tissue.
The GLpIFF values for the two tissue samples of this invention as illustrated in Figures 8 and 9 were 10.4 and 6.1. By comparison, the PUFFS Plus tissue sample had a GLpIFF value of -2.1. In general, the tissues of this invention can be characterized by a GLpIFF of about 5 or greater, more specifically about 10 or greater, and still more specifically from about 5 to about 15.
Examples Example 1 A skin-moisturizing formula having a melting point about 45°C. was prepared having the following composition:
Weight Percent 1. Dimethicone 100 cst 1.0 2. Isopropyl Palmitate 3.0 3. Vitamin E Acetate 0.1 4. Aloe Extract 0.1 5. Mineral Oil 59,g 6. Ceresin Wax (M. P. 66-71°C.) 18.0 7. Cetearyl Alcohol 18.0 The formulation was prepared by premixing the dimethicone and the isopropyl palmitate until uniform. While heating, the aloe vera extract and the vitamin E extract were added and mixed. Mineral oil was added _ and the formulation was mixed until uniform. The mixture was further heated to a temperature of 55-60°C. The ceresin wax was added. The WO 96/24723 PCTlUS96101297 mixture was further heated to 60-65°C. with agitation until the ceresin wax was melted. Cetearyl alcohol was slowly ac~~ed to the mixture while maintaining agitation to avoid clumping. The temperature was maintained at about 55-60°C. and mixing continued until the cetearyl alcohol was melted. At this point the formulation was ready for use.
, The resulting formulation was applied to both surfaces of a wet-pressed three-ply tissue basesheet (basis weight of about 23 pounds per 2880 square feet) via a heated rotogravure printing process at an add-on level of 16 weight percent total add-on as described in Figure 4.
Specifically, the formulation was pre-melted at about 56°C. in a stainless steel heated supply tank. The press supply system and press (supply hoses, doctor application heads, and gravure rolls) were preheated to about 55°C. The formulation was transferred from the heated application heads to the heated direct and offset gravure rolls.
The gravure rolls were electronically engraved, chrome over copper rolls supplied by Southern Graphics Systems, Louisville, KY. The direct gravure roll had a line screen of 200 cells per lineal inch and a volume of 6.0 BCM per square inch of roll surface. Typical cell dimensions for this roll were 180 microns in length, 145 microns in width, and 34 microns in depth. The offset gravure roll was 250 line screen, 5.0 BCM, 150 microns in length, 110 microns in width and 30 microns in depth. The rubber backing roll/offset applicator roll was a 72 Shore A durometer Flex Touch 1 supplied by Republic Roller, Three Rivers, MI.
The direct gravure roll was set up to a condition having about 0.003 inch clearance from the rubber backing roll. The offset gravure roll was set up to a condition having 0.375 inch interference between the gravure roll and the rubber backing roll. The combination heated direct and heated offset gravure printer was run at a speed of 750 feet per minute.
The composition deposits solidified substantially instantaneously after exiting the press.
When cut into individual facial tissue sheets, the resulting tissue product was preferred by consumers for softness, thickness, absorbency and overall over PUFFS Plus facial tissue.
Example 2 A skin-protecting formulation having the following composition and a melting point of about 56-60°C. was prepared similarly to that of Example 1:
Weight Percent 1. Mineral Oil 59.0 2. Zinc Oxide 1.0 3. Ceresin Wax (M. P. 64-67°C.) 20.0 4. Cetearyl Alcohol 20.0 The above formulation was applied as described above to both surfaces of a one-ply uncreped throughdried bath tissue in an amount of weight percent. The resulting tissue had an improved soft feel and 15 was preferred overall over Charmin~ Plus bathroom tissue.
Example 3 A skin moisturizing/protecting formulation with a melting point of about 61°C. having the following composition was prepared similarly to that of Example 1:
Weight Percent 1. Dimethicone 2.0 2. Isopropyl Palmitate 4.0 3. Acetulan* 5.0 4. Mineral Oil 45.0 5. Vitamin E Acetate 2.p 6. Aloe Extract 2.0 7. Ceresin Wax (M. P. 66-71°C.) 20.0 8. Behenyl Alcohol 20.0 * Cetyl acetate and acetylated lanolin alcohol, Amerchol Corp.
The above formulation was applied as in Example 1 to both sides of a two-ply facial tissue at a level of 26 weight percent total add-on.
Example 4 A three-ply facial tissue was prepared as described in Example 3, except the formulation add-on was 18 weight percent based on the weight of the two outer plies.
Example 5 A facial tissue was prepared as described in Example 4 except the add-on level was 22 weight percent based on the weight of the two outer plies.
In a consumer use test, the tissues of Examples 3, 4 and 5 were all preferred for softness, thickness, absorbency and overall over PUFFS~
Plus.
Example 6 For comparison, treated tissues were prepared as described above with formulations which did not deliver a consumer-preferred product.
Specifically, a first formula was prepared with the following ingredients:
Weight Percent 1. Dimethicone and Dimethiconal 5.0 2. Dimethicone 20 cst 15.0 3. Isopropyl Palmitate 3.0 4. Isodecyl Neopentoate 20.0 5. Acetulan 6. Mineral Oil 25.0 7. Glyceryl Monohydroxystearate 15.0 8. Cetyl Alcohol 10.0 This formulation was applied to a two-ply facial tissue as described above with a 14 weight percent total add-on level.
A second formulation was prepared with the following ingredients:
Weight Percent 1. Dimethicone 100 cst 2.0 2. Isopropyl Palmitate 4.0 3. Acetulan 5.0 4. Mineral Oil 34.0 5. Ceteareth-20 35.0 6. Cetyl Alcohol 20.0 The second formulation was applied to a two-ply tissue at a total add-on level of about 31 weight percent.
Both products were submitted to a consumer use test for a preference comparison relative to PUFFS'" Plus (the Control) as was done with the products of Examples 3, 4 and 5. In both instances, PUFFS Plus was preferred. Both test formulas lacked a wax component (as selected from the list described earlier). It is believed that the lack of a wax R'O 96/24723 PCT/L1S96101297 component reduced the ability of the oil component to remain at or near the surface of the tissue and thus preventing a preferred result.
It will be appreciated that the foregoing examples, given for purposes of illustration, are not to be construed as limiting the scope of this invention, which is defined by the following claims and all equivalents thereto.
Claims (39)
1. A soft tissue product having one or more plies, wherein one or both outer surfaces of the product have uniformly distributed solidified deposits having a composition comprising from about 30 to about 90 weight percent oil and from about 10 to about 40 weight percent wax, said composition having a melting point of from about 30°C. to about 70°C.
2. The tissue product of Claim 1 wherein the melting point of the composition is from about 40°C, to about 60°C.
3. The tissue product of Claim 1 further comprising from about 5 to about 40 weight percent fatty alcohol.
4. The tissue product of Claim 3 wherein the fatty alcohol is cetyl alcohol, stearyl alcohol, behenyl alcohol or dodecyl alcohol.
5. The tissue product of Claim 3 wherein the fatty alcohol is behenyl alcohol.
6. The tissue product of Claim 3 wherein the fatty alcohol is cetearyl alcohol.
7. The tissue product of Claim 1 further comprising from about 10 to about 30 weight percent fatty alcohol.
8. The tissue product of Claim 1 further comprising from about 15 to about 25 weight percent fatty alcohol.
9. The tissue product of Claim 1 wherein the amount of oil in the composition is from about 40 to about 70 weight percent.
10. The tissue product of Claim 1 wherein the amount of oil in the composition is from about 45 to about 60 weight percent.
11. The tissue product of Claim 1 wherein the oil is mineral oil, animal oil, plant oil or silicone oil.
12. The tissue product of Claim 1 wherein the oil is mineral oil.
13. The tissue product of Claim 1 wherein the amount of wax in the composition is from about 10 to about 30 weight percent.
14. The tissue product of Claim 1 wherein the amount of wax in the composition is from about 15 to about 25 weight\percent.
15. The tissue product of Claim 1 wherein the wax is natural wax, petroleum wax, silicone wax or synthetic wax.
16. The tissue product of Claim 1 wherein the wax is ceresin wax.
17. The tissue product of Claim 1 wherein the amount of the composition is from about 1 to about 40 weight percent based on the weight of the tissue.
18. The tissue product of Claim 1 wherein the amount of the composition is from about 5 to about 25 weight percent based on the weight of the tissue.
19. The tissue product of Claim 1 wherein the amount of the composition is from about 10 to about 15 weight percent based on the weight of the tissue.
20. The tissue product of Claim 1 wherein the actual surface area coverage is from about 30 to about 99 percent.
21. The tissue product of Claim 1 wherein the actual surface area coverage is from about 50 to about 80 percent.
22. The tissue product of Claim 1 wherein the uniformity of the surface coating, treated with osmium tetroxide gas and as measured by the percent coefficient of variation for a gray-level histogram analysis, is about 15 or less.
23. The tissue product of Claim 22 wherein the percent coefficient of variation is about 10 or less.
24. The tissue product of Claim 22 wherein the percent coefficient of variation is from about 5 to about 15.
25. The tissue product of Claim 1 having a Sink Time of about 20 seconds or greater.
26. The tissue product of Claim 1 having a Sink Time of about 40 seconds or greater.
27. The tissue product of Claim 1 having a Sink Time of from about 50 to about 150 seconds.
28. A method of making a soft tissue product comprising:
a) heating a composition comprising an oil and a wax to a temperature above the melting point of the composition, causing said composition to melt, said composition having a melting point of from about 30°C. to about 70°C;
b) uniformly applying the melted composition to one or both surfaces of a tissue web in spaced-apart deposits; and c) resolidifying the deposits of the melted composition.
a) heating a composition comprising an oil and a wax to a temperature above the melting point of the composition, causing said composition to melt, said composition having a melting point of from about 30°C. to about 70°C;
b) uniformly applying the melted composition to one or both surfaces of a tissue web in spaced-apart deposits; and c) resolidifying the deposits of the melted composition.
29. The method of Claim 28 wherein the heated composition is applied to the tissue web with a rotogravure printer providing from about 100 to about 1,000,000 deposits per square inch.
30. The method of Claim 29 wherein from about 30 to about 99 percent of the surface area of the tissue is covered with the composition.
31. The method of Claim 29 wherein from about 50 to about 80 percent of the surface area of the tissue is covered with the composition.
32. The method of Claim 28 wherein the amount of the composition applied to the tissue is from about 1 to about 40 weight percent.
33. The method of Claim 28 wherein the amount of the composition applied to the tissue is from about 5 to about 25 weight percent.
34. The method of Claim 28 wherein the amount of the composition applied to the tissue is from about 10 to about 15 weight percent.
35. The method of Claim 28 wherein the tissue web is cooled before or after the deposits of the coating composition are applied in order to accelerate solidification of the deposits.
36. The method of Claim 28 wherein the composition is heated to a temperature of about 10°C. or less above the melting point of the composition.
37. The method of Claim 28 wherein the composition is heated to a temperature of about 5°C. or less above the melting point of the composition.
38. The method of Claim 28 wherein the composition is heated to a temperature of about 2°C. above the melting point of the composition.
39. The method of Claim 28 wherein the composition contains from about 5 to about 40 weight percent fatty alcohol.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/384,170 US5665426A (en) | 1995-02-06 | 1995-02-06 | Soft treated tissue |
US08/384,170 | 1995-02-06 | ||
PCT/US1996/001297 WO1996024723A1 (en) | 1995-02-06 | 1996-02-02 | Soft treated tissue |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2210338A1 CA2210338A1 (en) | 1996-08-15 |
CA2210338C true CA2210338C (en) | 2006-12-19 |
Family
ID=23516314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002210338A Expired - Lifetime CA2210338C (en) | 1995-02-06 | 1996-02-02 | Soft treated tissue |
Country Status (15)
Country | Link |
---|---|
US (2) | US5665426A (en) |
EP (1) | EP0808389B1 (en) |
JP (1) | JP2001505257A (en) |
KR (1) | KR100430733B1 (en) |
CN (1) | CN1097127C (en) |
AU (1) | AU696144C (en) |
BR (1) | BR9607131A (en) |
CA (1) | CA2210338C (en) |
DE (1) | DE69618176T2 (en) |
HK (1) | HK1003392A1 (en) |
MY (1) | MY113425A (en) |
PL (1) | PL180340B1 (en) |
SV (1) | SV1996000010A (en) |
WO (1) | WO1996024723A1 (en) |
ZA (1) | ZA96583B (en) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6238682B1 (en) | 1993-12-13 | 2001-05-29 | The Procter & Gamble Company | Anhydrous skin lotions having antimicrobial components for application to tissue paper products which mitigate the potential for skin irritation |
US6103644A (en) | 1993-12-22 | 2000-08-15 | Nordico Marketing Development, Inc. | Impregnated matrix and method for making same |
CZ144399A3 (en) * | 1996-10-25 | 1999-09-15 | The Procter & Gamble Company | Disposable ready personal cleansing and treating article, process of its preparation and use |
US6063397A (en) * | 1996-10-25 | 2000-05-16 | The Procter & Gamble Company | Disposable cleansing products for hair and skin |
US6338855B1 (en) | 1996-10-25 | 2002-01-15 | The Procter & Gamble Company | Cleansing articles for skin and/or hair which also deposit skin care actives |
KR20000052716A (en) * | 1996-10-25 | 2000-08-25 | 데이비드 엠 모이어 | Cleansing products |
US5972361A (en) * | 1996-10-25 | 1999-10-26 | The Procter & Gamble Company | Cleansing products |
AU733203B2 (en) * | 1996-10-25 | 2001-05-10 | Procter & Gamble Company, The | Cleansing products |
US5885697A (en) * | 1996-12-17 | 1999-03-23 | Kimberly-Clark Worldwide, Inc. | Soft treated tissue |
US6217707B1 (en) | 1996-12-31 | 2001-04-17 | Kimberly-Clark Worldwide, Inc. | Controlled coverage additive application |
US6231719B1 (en) | 1996-12-31 | 2001-05-15 | Kimberly-Clark Worldwide, Inc. | Uncreped throughdried tissue with controlled coverage additive |
ES2183233T5 (en) * | 1996-12-31 | 2006-05-16 | Kimberly-Clark Worldwide, Inc. | CONTROLLED APPLICATION OF COATING ADDITIVE TO PAPER TOWELS. |
US5871763A (en) * | 1997-04-24 | 1999-02-16 | Fort James Corporation | Substrate treated with lotion |
US6132746A (en) * | 1997-05-22 | 2000-10-17 | The Procter & Gamble Company | Cleansing products with improved moisturization |
US6280757B1 (en) | 1997-05-22 | 2001-08-28 | The Procter & Gamble Company | Cleansing articles for skin or hair |
US5951991A (en) * | 1997-05-22 | 1999-09-14 | The Procter & Gamble Company | Cleansing products with improved moisturization |
US5869075A (en) * | 1997-08-15 | 1999-02-09 | Kimberly-Clark Worldwide, Inc. | Soft tissue achieved by applying a solid hydrophilic lotion |
AU748441B2 (en) * | 1997-09-05 | 2002-06-06 | Procter & Gamble Company, The | Cleansing and conditioning products for skin or hair with improved deposition of conditioning ingredients |
EP1011630B2 (en) * | 1997-09-12 | 2008-10-15 | The Procter & Gamble Company | Cleansing and conditioning article for skin or hair |
US6179961B1 (en) * | 1997-10-08 | 2001-01-30 | The Procter & Gamble Company | Tissue paper having a substantive anhydrous softening mixture deposited thereon |
SK5062000A3 (en) | 1997-10-10 | 2000-10-09 | Union Carbide Chem Plastic | Spray application of an additive composition to sheet materials |
US6261580B1 (en) | 1997-10-22 | 2001-07-17 | The Procter & Gamble Company | Tissue paper with enhanced lotion transfer |
CA2254237A1 (en) * | 1997-12-30 | 1999-06-30 | Kimberly-Clark Worldwide, Inc. | Cool feeling tissue product and method |
US6187695B1 (en) * | 1998-12-08 | 2001-02-13 | Kimberly-Clark Worldwide, Inc. | Cool feeling tissue product and method |
US6149934A (en) * | 1999-04-23 | 2000-11-21 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a lotionized bodyside liner |
EP1029977A1 (en) * | 1999-02-18 | 2000-08-23 | SCA Hygiene Products GmbH | Composition for treating an absorbent paper product and an absorbent paper product treated with said composition |
US6515029B1 (en) | 1999-04-23 | 2003-02-04 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a hydrophilic lotionized bodyside liner |
US6617490B1 (en) | 1999-10-14 | 2003-09-09 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with molded cellulosic webs |
US6692603B1 (en) * | 1999-10-14 | 2004-02-17 | Kimberly-Clark Worldwide, Inc. | Method of making molded cellulosic webs for use in absorbent articles |
US20020001726A1 (en) * | 1999-12-27 | 2002-01-03 | Kimberly-Clark Worldwide, Inc. | Modified siloxane yielding transferring benefits from soft tissue products |
US6544386B1 (en) * | 1999-12-27 | 2003-04-08 | Kimberly-Clark Worldwide, Inc. | Ply bonded lotion treated tissue and method for making same |
DE19963834C2 (en) * | 1999-12-30 | 2002-03-28 | Sca Hygiene Prod Gmbh | Process for applying treatment chemicals to a flat fiber-based product and products made therewith |
DE10002643A1 (en) | 2000-01-21 | 2001-07-26 | Cognis Deutschland Gmbh | New deodorant preparations which have improved storage stability and may have improved skin feel, include a dialkyl carbonate to improve emulsification of the components |
DE10033022A1 (en) | 2000-07-07 | 2002-01-17 | Cognis Deutschland Gmbh | aerosols |
US6432268B1 (en) | 2000-09-29 | 2002-08-13 | Kimberly-Clark Worldwide, Inc. | Increased hydrophobic stability of a softening compound |
US6503526B1 (en) | 2000-10-20 | 2003-01-07 | Kimberly-Clark Worldwide, Inc. | Absorbent articles enhancing skin barrier function |
US6756520B1 (en) * | 2000-10-20 | 2004-06-29 | Kimberly-Clark Worldwide, Inc. | Hydrophilic compositions for use on absorbent articles to enhance skin barrier |
US7195771B1 (en) | 2000-11-21 | 2007-03-27 | Kimberly-Clark Worldwide, Inc. | Water-soluble lotions for paper products |
US20020120241A1 (en) * | 2000-12-22 | 2002-08-29 | Tyrrell David John | Absorbent articles with hydrophilic compositions containing anionic polymers |
US20020128615A1 (en) * | 2000-12-22 | 2002-09-12 | Tyrrell David John | Absorbent articles with non-aqueous compositions containing anionic polymers |
US6749721B2 (en) | 2000-12-22 | 2004-06-15 | Kimberly-Clark Worldwide, Inc. | Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition |
US7771735B2 (en) | 2000-12-22 | 2010-08-10 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with compositions for reducing irritation response |
US20020120242A1 (en) * | 2000-12-22 | 2002-08-29 | Tyrrell David John | Absorbent articles with hydrophilic compositions containing botanicals |
US6749860B2 (en) | 2000-12-22 | 2004-06-15 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with non-aqueous compositions containing botanicals |
US6860967B2 (en) * | 2001-01-19 | 2005-03-01 | Sca Hygiene Products Gmbh | Tissue paper penetrated with softening lotion |
US6905697B2 (en) * | 2001-01-19 | 2005-06-14 | Sca Hygiene Products Gmbh | Lotioned fibrous web having a short water absorption time |
DE10133399A1 (en) * | 2001-07-13 | 2003-01-23 | Cognis Deutschland Gmbh | Low water-content wax-based composition for impregnating tissue paper or wet wipes to give body-care material contains dialkyl(ene) ether, dialkyl(ene) carbonate, dicarboxylic acid and/or hydroxyfatty alcohol |
DE10134607A1 (en) * | 2001-07-17 | 2003-02-06 | Beiersdorf Ag | Cosmetic or dermatological preparations with a long-lasting cooling effect |
US6821385B2 (en) | 2001-11-02 | 2004-11-23 | Kimberly-Clark Worldwide, Inc. | Method of manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements using fabrics comprising nonwoven elements |
US6749719B2 (en) * | 2001-11-02 | 2004-06-15 | Kimberly-Clark Worldwide, Inc. | Method of manufacture tissue products having visually discernable background texture regions bordered by curvilinear decorative elements |
US6746570B2 (en) | 2001-11-02 | 2004-06-08 | Kimberly-Clark Worldwide, Inc. | Absorbent tissue products having visually discernable background texture |
US6790314B2 (en) | 2001-11-02 | 2004-09-14 | Kimberly-Clark Worldwide, Inc. | Fabric for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof |
US6787000B2 (en) | 2001-11-02 | 2004-09-07 | Kimberly-Clark Worldwide, Inc. | Fabric comprising nonwoven elements for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof |
US20030118761A1 (en) * | 2001-12-21 | 2003-06-26 | Kimberly-Clark Worldwide, Inc. | Elastomeric articles having improved chemical resistance |
US6805965B2 (en) | 2001-12-21 | 2004-10-19 | Kimberly-Clark Worldwide, Inc. | Method for the application of hydrophobic chemicals to tissue webs |
US6716309B2 (en) | 2001-12-21 | 2004-04-06 | Kimberly-Clark Worldwide, Inc. | Method for the application of viscous compositions to the surface of a paper web and products made therefrom |
US7799968B2 (en) | 2001-12-21 | 2010-09-21 | Kimberly-Clark Worldwide, Inc. | Sponge-like pad comprising paper layers and method of manufacture |
US20030130636A1 (en) * | 2001-12-22 | 2003-07-10 | Brock Earl David | System for improving skin health of absorbent article wearers |
US7244509B1 (en) | 2002-04-19 | 2007-07-17 | Evco Research, Llc | Moisture resistant, repulpable paper products and method of making same |
AU2003228467A1 (en) * | 2002-04-19 | 2003-11-03 | Evco Research, Llc | Moisture resistant, repulpable paper products and method of making same |
US20030200923A1 (en) * | 2002-04-30 | 2003-10-30 | Kimberly-Clark Worldwide, Inc. | Core oil and fragrance addition apparatus and method |
US8012495B2 (en) * | 2002-05-07 | 2011-09-06 | Georgia-Pacific Consumer Products Lp | Lotion-treated tissue and towel |
US7169400B2 (en) | 2002-05-07 | 2007-01-30 | Fort James Corporation | Waterless lotion and lotion-treated substrate |
US6761800B2 (en) * | 2002-10-28 | 2004-07-13 | Kimberly-Clark Worldwide, Inc. | Process for applying a liquid additive to both sides of a tissue web |
US6951598B2 (en) | 2002-11-06 | 2005-10-04 | Kimberly-Clark Worldwide, Inc. | Hydrophobically modified cationic acrylate copolymer/polysiloxane blends and use in tissue |
DE10251608A1 (en) * | 2002-11-06 | 2004-05-19 | Metsä Tissue Oyj | Application of a lotion to tissue paper and the like, to give odor or particular properties, uses a cooling station to reduce the web temperature before contact with the applicator rollers |
US20040084162A1 (en) | 2002-11-06 | 2004-05-06 | Shannon Thomas Gerard | Low slough tissue products and method for making same |
EP1567718B1 (en) * | 2002-11-07 | 2013-04-17 | Georgia-Pacific Consumer Products LP | Absorbent sheet exhibiting resistance to moisture penetration |
US6949168B2 (en) * | 2002-11-27 | 2005-09-27 | Kimberly-Clark Worldwide, Inc. | Soft paper product including beneficial agents |
US20040115451A1 (en) * | 2002-12-09 | 2004-06-17 | Kimberly-Clark Worldwide, Inc. | Yellowing prevention of cellulose-based consumer products |
US20040110017A1 (en) * | 2002-12-09 | 2004-06-10 | Lonsky Werner Franz Wilhelm | Yellowing prevention of cellulose-based consumer products |
US7994079B2 (en) | 2002-12-17 | 2011-08-09 | Kimberly-Clark Worldwide, Inc. | Meltblown scrubbing product |
US6878238B2 (en) * | 2002-12-19 | 2005-04-12 | Kimberly-Clark Worldwide, Inc. | Non-woven through air dryer and transfer fabrics for tissue making |
US6875315B2 (en) | 2002-12-19 | 2005-04-05 | Kimberly-Clark Worldwide, Inc. | Non-woven through air dryer and transfer fabrics for tissue making |
US6896766B2 (en) * | 2002-12-20 | 2005-05-24 | Kimberly-Clark Worldwide, Inc. | Paper wiping products treated with a hydrophobic additive |
DE602004017124D1 (en) * | 2003-01-08 | 2008-11-27 | Johnson & Johnson Gmbh | AN APPLICATOR AND PRODUCTS CONTAINING A WAX DISPERSION |
DE10300506A1 (en) | 2003-01-08 | 2004-07-22 | Cognis Deutschland Gmbh & Co. Kg | wax dispersions |
US20060188551A1 (en) * | 2003-01-08 | 2006-08-24 | Matthias Hauser | Products comprising a sheet and a wax dispersion |
US7141142B2 (en) * | 2003-09-26 | 2006-11-28 | Kimberly-Clark Worldwide, Inc. | Method of making paper using reformable fabrics |
US20050241789A1 (en) * | 2004-04-30 | 2005-11-03 | Kimberly-Clark Worldwide, Inc. | Surface treated paper product |
US20050244480A1 (en) * | 2004-04-30 | 2005-11-03 | Kimberly-Clark Worldwide, Inc. | Pre-wipes for improving anal cleansing |
US20050271710A1 (en) * | 2004-06-04 | 2005-12-08 | Argo Brian P | Antimicrobial tissue products with reduced skin irritation potential |
US7799169B2 (en) | 2004-09-01 | 2010-09-21 | Georgia-Pacific Consumer Products Lp | Multi-ply paper product with moisture strike through resistance and method of making the same |
US20060110431A1 (en) * | 2004-11-19 | 2006-05-25 | Kimberly-Clark Worldwide, Inc. | Sheets having alternating areas of relatively high and low lotion add-on in the machine direction |
US7670459B2 (en) | 2004-12-29 | 2010-03-02 | Kimberly-Clark Worldwide, Inc. | Soft and durable tissue products containing a softening agent |
ATE425307T1 (en) * | 2005-11-25 | 2009-03-15 | Sca Hygiene Prod Gmbh | LOTIONED TISSUE PAPER WITH SHORT WATER ABSORPTION TIME |
US7988824B2 (en) | 2005-12-15 | 2011-08-02 | Kimberly-Clark Worldwide, Inc. | Tissue product having a transferable additive composition |
US8388992B2 (en) * | 2006-03-28 | 2013-03-05 | Georgia-Pacific Consumer Products Lp | Anti-microbial hand towel with time-delay chromatic transfer indicator and absorbency rate delay |
DK2093261T3 (en) | 2007-11-02 | 2013-12-02 | Omya Int Ag | Use of a Surface-Responded Calcium Carbonate in Tissue Paper, Process for Producing a Tissue Paper Product of Improved Softness, and Resulting Tissue Paper Products of Improved Softness |
FR2928383B1 (en) | 2008-03-06 | 2010-12-31 | Georgia Pacific France | WAFER SHEET COMPRISING A PLY IN WATER SOLUBLE MATERIAL AND METHOD FOR PRODUCING SUCH SHEET |
WO2010033536A2 (en) | 2008-09-16 | 2010-03-25 | Dixie Consumer Products Llc | Food wrap basesheet with regenerated cellulose microfiber |
US9649830B2 (en) * | 2008-12-03 | 2017-05-16 | The Procter & Gamble Company | Bonded fibrous sanitary tissue products and methods for making same |
US20100136294A1 (en) * | 2008-12-03 | 2010-06-03 | John Allen Manifold | Fibrous structures comprising a lotion and methods for making same |
US8480852B2 (en) | 2009-11-20 | 2013-07-09 | Kimberly-Clark Worldwide, Inc. | Cooling substrates with hydrophilic containment layer and method of making |
US8685309B2 (en) | 2010-04-26 | 2014-04-01 | The Procter & Gamble Company | Method for making a personal care product |
US8466335B2 (en) | 2010-04-26 | 2013-06-18 | The Procter & Gamble Company | Personal care product |
US10947675B2 (en) * | 2015-08-31 | 2021-03-16 | Kimberly-Clark Worldwide, Inc. | Article of commerce treated with sublimable material |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE335389A (en) * | 1925-05-26 | |||
BE334455A (en) * | 1926-05-26 | |||
US2999265A (en) * | 1957-09-23 | 1961-09-12 | Dorothy B Tarnoff | Saturated pad for cleansing and deodorizing |
US3150049A (en) * | 1959-09-22 | 1964-09-22 | Martin F Emory | Bath oil |
CH253918A (en) * | 1960-07-25 | 1948-04-15 | Paltscho Erwin | Paper material for cleaning purposes. |
US3264188A (en) * | 1963-01-16 | 1966-08-02 | Kimberly Clark Co | Sanitary impregnated skin wiper |
US3619280A (en) * | 1969-07-18 | 1971-11-09 | Dustikin Products Inc | Treated paper and nonwoven material for wiping surfaces and method therefor |
US3950578A (en) * | 1969-10-30 | 1976-04-13 | Richard S. Keoseian | Water-disintegratable sheet material |
US3896807A (en) * | 1974-06-13 | 1975-07-29 | Gilbert Buchalter | Article impregnated with skin-care formulations |
US4112167A (en) * | 1977-01-07 | 1978-09-05 | The Procter & Gamble Company | Skin cleansing product having low density wiping zone treated with a lipophilic cleansing emollient |
DE2746098A1 (en) * | 1977-10-13 | 1979-04-26 | Justus Feldmann | Multipurpose cleaning cloth in sealed cover - is impregnated with soln. of alcohol in demineralised water |
DE3166379D1 (en) * | 1980-01-16 | 1984-11-08 | Procter & Gamble | Cleansing article |
US4917890A (en) * | 1985-06-28 | 1990-04-17 | Carrington Laboratories, Inc. | Processes for preparation of aloe products, products produced thereby and compositions thereof |
US4735935A (en) * | 1985-12-17 | 1988-04-05 | Carrington Laboratories, Inc. | Process for preparation of aloe products products, produced thereby and compositions thereof |
JPS5916816A (en) * | 1982-07-16 | 1984-01-28 | Lion Corp | Composition for external use |
US4550035A (en) * | 1982-12-10 | 1985-10-29 | Creative Products Resource Associates, Ltd. | Cosmetic applicator useful for skin moisturizing and deodorizing |
FR2538238B1 (en) * | 1982-12-24 | 1987-08-28 | Scerab | DRY WIPING TOWEL AND MANUFACTURING METHOD THEREOF |
US4513051A (en) * | 1984-01-05 | 1985-04-23 | The Procter & Gamble Company | Tissue paper product |
US4481243A (en) * | 1984-01-05 | 1984-11-06 | The Procter & Gamble Company | Pattern treated tissue paper product |
US4572915A (en) * | 1984-05-01 | 1986-02-25 | Bioglan Laboratories | Clear micellized solutions of fat soluble essential nutrients |
ZA853488B (en) * | 1984-05-10 | 1986-12-30 | American Home Prod | Transdermal dosage form |
US4659573A (en) * | 1985-02-14 | 1987-04-21 | Lipo Chemicals, Inc. | Mineral oil substitute for toiletries and cosmetics |
EP0191128A1 (en) * | 1985-02-14 | 1986-08-20 | TERAD International, Inc. | Topical preparations for human skin irratations |
JPS62236516A (en) * | 1986-04-07 | 1987-10-16 | ダイセル化学工業株式会社 | Cleaning product having deodorizing action |
DE3720232C2 (en) * | 1986-06-14 | 1996-10-31 | Wolfgang Wirth | Process for the preparation of an extract from Aloe leaves of the plant genus Aloe capensis or Aloe arborescens |
US4816320A (en) * | 1986-06-16 | 1989-03-28 | St Cyr Napoleon | Toilet tissue and facial tissue |
EP0257824A3 (en) * | 1986-08-06 | 1988-12-14 | Kobayashi Pharmaceutical Co. Ltd. | Paper and liquid sprayer for wiping clean toilet seat |
US4806418A (en) * | 1986-08-11 | 1989-02-21 | Kimberly-Clark Corporation | Lotioned tissue ply |
JPH0745394B2 (en) * | 1987-01-28 | 1995-05-17 | 花王株式会社 | Moisturizing skin cosmetics |
DE8704537U1 (en) * | 1987-03-27 | 1987-05-27 | Vereinigte Papierwerke Ag, 8500 Nuernberg, De | |
JPS63275311A (en) * | 1987-05-06 | 1988-11-14 | ダイセル化学工業株式会社 | Wiping paper |
US4891228A (en) * | 1988-02-02 | 1990-01-02 | Richardson-Vicks Inc. | Medicated cleansing pads |
US4891227A (en) * | 1988-02-02 | 1990-01-02 | Richardson-Vicks Inc. | Medicated cleansing pads |
JP2604436B2 (en) * | 1988-09-06 | 1997-04-30 | 株式会社クラレ | Paper having wet paper strength and dispersibility in water and method for producing the same |
US5281306A (en) * | 1988-11-30 | 1994-01-25 | Kao Corporation | Water-disintegrable cleaning sheet |
JPH0832998B2 (en) * | 1988-12-29 | 1996-03-29 | 有限会社高岡通産 | Method for producing hydrous sanitary paper |
US4950545A (en) * | 1989-02-24 | 1990-08-21 | Kimberly-Clark Corporation | Multifunctional facial tissue |
AU3892589A (en) * | 1989-04-19 | 1990-10-25 | Michael Berman | Microencapsulated particles in dry powder form, products containing same and methods of making same |
DE3924898A1 (en) * | 1989-07-27 | 1991-01-31 | Wolf Walter Dr | Toilet paper which disinfects and cleans skin - comprises thin parchment or synthetic paper layer and is coated or impregnated with water and active agents |
JP2752747B2 (en) * | 1989-12-11 | 1998-05-18 | 花王株式会社 | Water dissolvable wet tissue |
JPH06102620B2 (en) * | 1990-05-08 | 1994-12-14 | 花王株式会社 | Skin cleansing / cleaning material |
US5085856A (en) * | 1990-07-25 | 1992-02-04 | Elizabeth Arden Co., Division Of Conopco, Inc. | Cosmetic water-in-oil emulsion lipstick comprising a phospholipid and glycerol fatty acid esters emulsifying system |
GB9021417D0 (en) * | 1990-10-02 | 1990-11-14 | Unilever Plc | Cosmetic composition |
AU8484591A (en) * | 1990-10-26 | 1992-04-30 | Jillian Ann Stroud | Disinfectant wipes |
JPH0520093A (en) * | 1991-07-15 | 1993-01-29 | Matsushita Electric Ind Co Ltd | Method and device for compilation of module |
FR2679467B1 (en) * | 1991-07-26 | 1993-10-15 | Oreal | SOLID DISPERSION OF AT LEAST ONE POLYHYDRIC ALCOHOL IN AN ANHYDROUS MEDIUM AND PREPARATION METHOD. |
DE4131940A1 (en) * | 1991-09-25 | 1993-04-01 | Beiersdorf Ag | COSMETIC AND DERMATOLOGICAL PREPARATIONS |
DE4206236A1 (en) * | 1992-02-28 | 1993-09-02 | Wella Ag | USE OF A PREPARATION FOR PREVENTING SKIN TINTING DURING THE HAIR, NEW SKIN PROTECTIVE AGENTS AND METHOD FOR COLORING THE HAIR |
ES2114063T3 (en) * | 1992-07-27 | 1998-05-16 | Procter & Gamble | STRATIFIED TREATMENT PADS, DUAL TEXTURED. |
US5362500A (en) * | 1992-12-04 | 1994-11-08 | Wm. Wrigley Jr. Company | Method of stabilizing chewing gum with an antioxidant containing tissue and product thereof |
JP3786686B2 (en) * | 1993-12-13 | 2006-06-14 | ザ プロクター アンド ギャンブル カンパニー | Lotion composition for imparting a soft, smooth feel to tissue paper |
US5389204A (en) * | 1994-03-10 | 1995-02-14 | The Procter & Gamble Company | Process for applying a thin film containing low levels of a functional-polysiloxane and a mineral oil to tissue paper |
-
1995
- 1995-02-06 US US08/384,170 patent/US5665426A/en not_active Expired - Lifetime
-
1996
- 1996-01-25 ZA ZA96583A patent/ZA96583B/en unknown
- 1996-02-02 CA CA002210338A patent/CA2210338C/en not_active Expired - Lifetime
- 1996-02-02 BR BR9607131A patent/BR9607131A/en not_active IP Right Cessation
- 1996-02-02 WO PCT/US1996/001297 patent/WO1996024723A1/en not_active Application Discontinuation
- 1996-02-02 PL PL96327467A patent/PL180340B1/en unknown
- 1996-02-02 DE DE69618176T patent/DE69618176T2/en not_active Revoked
- 1996-02-02 JP JP52431596A patent/JP2001505257A/en active Pending
- 1996-02-02 EP EP96906237A patent/EP0808389B1/en not_active Revoked
- 1996-02-02 CN CN96191801A patent/CN1097127C/en not_active Expired - Fee Related
- 1996-02-02 KR KR1019970705350A patent/KR100430733B1/en not_active IP Right Cessation
- 1996-02-02 AU AU49686/96A patent/AU696144C/en not_active Expired
- 1996-02-06 MY MYPI96000420A patent/MY113425A/en unknown
- 1996-02-06 SV SV1996000010A patent/SV1996000010A/en not_active Application Discontinuation
- 1996-04-16 US US08/632,980 patent/US5650218A/en not_active Expired - Lifetime
-
1998
- 1998-03-24 HK HK98102539A patent/HK1003392A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2210338A1 (en) | 1996-08-15 |
CN1097127C (en) | 2002-12-25 |
EP0808389A1 (en) | 1997-11-26 |
DE69618176T2 (en) | 2002-08-14 |
WO1996024723A1 (en) | 1996-08-15 |
KR100430733B1 (en) | 2004-08-16 |
DE69618176D1 (en) | 2002-01-31 |
EP0808389B1 (en) | 2001-12-19 |
BR9607131A (en) | 1997-11-04 |
US5665426A (en) | 1997-09-09 |
HK1003392A1 (en) | 1998-10-30 |
PL180340B1 (en) | 2001-01-31 |
JP2001505257A (en) | 2001-04-17 |
MY113425A (en) | 2002-02-28 |
CN1200781A (en) | 1998-12-02 |
AU696144C (en) | 2003-09-18 |
KR19980701953A (en) | 1998-06-25 |
ZA96583B (en) | 1996-08-14 |
PL327467A1 (en) | 1998-12-07 |
AU696144B2 (en) | 1998-09-03 |
US5650218A (en) | 1997-07-22 |
AU4968696A (en) | 1996-08-27 |
SV1996000010A (en) | 1996-10-29 |
MX9705975A (en) | 1997-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2210338C (en) | Soft treated tissue | |
US5885697A (en) | Soft treated tissue | |
US6217707B1 (en) | Controlled coverage additive application | |
EP0808388B1 (en) | Soft treated uncreped throughdried tissue | |
US6231719B1 (en) | Uncreped throughdried tissue with controlled coverage additive | |
EP1254021B1 (en) | Ply bonded lotion treated tissue and method for making same | |
CA2273912C (en) | Controlled coverage additive application to paper tissue | |
CA2296363C (en) | Soft tissue achieved by applying a solid hydrophilic lotion | |
MXPA02006423A (en) | Soft tissue product. | |
MXPA97005975A (en) | Tisu treated his | |
MXPA97005740A (en) | Tisu of continuous drying not created treated and its | |
MXPA00001603A (en) | Soft tissue achieved by applying a solid hydrophilic lotion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20160202 |