CA2101365A1 - Color changing compositions - Google Patents

Color changing compositions

Info

Publication number
CA2101365A1
CA2101365A1 CA2101365A CA2101365A CA2101365A1 CA 2101365 A1 CA2101365 A1 CA 2101365A1 CA 2101365 A CA2101365 A CA 2101365A CA 2101365 A CA2101365 A CA 2101365A CA 2101365 A1 CA2101365 A1 CA 2101365A1
Authority
CA
Canada
Prior art keywords
coloring composition
coloring
reducing agent
undercolor
composition
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.)
Granted
Application number
CA2101365A
Other languages
French (fr)
Other versions
CA2101365C (en
Inventor
Richard E. Miller
Charlene R. Couch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crayola LLC
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2101365A1 publication Critical patent/CA2101365A1/en
Application granted granted Critical
Publication of CA2101365C publication Critical patent/CA2101365C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D2/00—Special techniques in artistic painting or drawing, e.g. oil painting, water painting, pastel painting, relief painting
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2451/00—Type of carrier, type of coating (Multilayers)

Abstract

A multiple coloring composition system is disclosed whose coloring effect is changed upon treatment with a second coloring composition, once the second coloring composition has been deposited over the undercolor coloring composition. The multiple ink system comprises:
(a) an undercolor aqueous coloring composition comprising an undercolor dye whose coloring ability is destroyed in the presence of a pH of about 10 or greater and/or by a reducing agent; and (b) an overcolor aqueous coloring composition comprising a colorant capable of maintaining its characteristic color in the presence of a pH of about 10 or greater and/or a reducing agent, a base in an amount sufficient to yield a pH of the overcolor composition of about 10 or greater, and/or a reducing agent.
CA002101365A 1992-07-31 1993-07-27 Color changing compositions Expired - Lifetime CA2101365C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/923,308 1992-07-31
US07/923,308 US5232494A (en) 1992-07-31 1992-07-31 Color changing compositions
US08/089,503 US5326388A (en) 1992-07-31 1993-07-16 Color changing compositions
US08/089,503 1993-07-16

Publications (2)

Publication Number Publication Date
CA2101365A1 true CA2101365A1 (en) 1994-02-01
CA2101365C CA2101365C (en) 1998-12-15

Family

ID=26780644

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002101365A Expired - Lifetime CA2101365C (en) 1992-07-31 1993-07-27 Color changing compositions

Country Status (7)

Country Link
US (2) US5232494A (en)
EP (1) EP0584571B1 (en)
AU (1) AU669373B2 (en)
CA (1) CA2101365C (en)
DE (1) DE69322711T2 (en)
ES (1) ES2128370T3 (en)
MX (1) MX9304604A (en)

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US7229487B2 (en) * 2004-01-14 2007-06-12 Sanford, L.P. Writing instruments with eradicable inks and eradicating fluids
US7521112B2 (en) * 2004-06-29 2009-04-21 Crayola Llc Coated art material system
US7163575B2 (en) * 2004-07-15 2007-01-16 Sanford, L.P. Water-based, resin-free and solvent-free eradicable ball-pen inks
AU2005248941A1 (en) * 2004-08-19 2006-03-09 Sanford, L.P. Decoder system
BRPI0615162A2 (en) * 2005-08-04 2016-09-13 Sanford Lp correction fluid, correction fluid applicator, capillary action marker, and method for producing a correction fluid
FR2909680B1 (en) * 2006-12-11 2010-12-10 Bic Soc CORRECTIVE FLUID WITH DRYING INDICATOR
US7939053B2 (en) * 2007-04-12 2011-05-10 L'oreal S.A. Method of making up nails
US20090215621A1 (en) * 2008-02-27 2009-08-27 Elmer's Products, Inc. Coloring system with encapsulated dyes
CN105713968A (en) * 2009-03-19 2016-06-29 株式会社钟化 Method for detecting nucleic acid, and device, kit
EP2581422A1 (en) * 2011-10-11 2013-04-17 Sicpa Holding Sa Ink coatings for security documents to prevent forgery by means of heat sensitive erasable ink
US8822374B2 (en) 2012-01-06 2014-09-02 Nocopi Technologies, Inc. Color-changing marking implement and substrate
US9109126B2 (en) 2013-07-22 2015-08-18 Sanford, L.P. Ink compositions comprising colorant particles containing polymeric particles
GB2520633B (en) 2013-11-25 2021-06-02 Crayola Llc Marking system
US11007813B2 (en) 2018-04-25 2021-05-18 Crayola Llc Integrated highlighting and shading marker system
US11746235B2 (en) 2019-06-21 2023-09-05 Crayola Llc Two part silicone moldable eraser
US11680181B1 (en) 2021-09-29 2023-06-20 W. Thomas Forlander Industrial coating with color-change responsivity to acid and base contact

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Also Published As

Publication number Publication date
ES2128370T3 (en) 1999-05-16
CA2101365C (en) 1998-12-15
AU4437293A (en) 1994-02-03
MX9304604A (en) 1994-05-31
EP0584571A2 (en) 1994-03-02
EP0584571A3 (en) 1995-03-29
EP0584571B1 (en) 1998-12-23
DE69322711D1 (en) 1999-02-04
US5326388A (en) 1994-07-05
DE69322711T2 (en) 1999-06-10
US5232494A (en) 1993-08-03
AU669373B2 (en) 1996-06-06

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Legal Events

Date Code Title Description
EEER Examination request