CN1190163C - 具有有效刷毛图案的牙刷 - Google Patents
具有有效刷毛图案的牙刷 Download PDFInfo
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- CN1190163C CN1190163C CNB018130828A CN01813082A CN1190163C CN 1190163 C CN1190163 C CN 1190163C CN B018130828 A CNB018130828 A CN B018130828A CN 01813082 A CN01813082 A CN 01813082A CN 1190163 C CN1190163 C CN 1190163C
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
- A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S15/00—Brushing, scrubbing, and general cleaning
- Y10S15/05—Varied length bristle
Abstract
本发明涉及一种增强的清洁牙刷刷毛图案,其中,两行较高刷毛簇在横向上把牙刷头部分成三段,每一段中的刷毛簇的修整图案为相对牙刷表面呈凸起型;这两行较高刷毛簇进入牙齿之间,同时各段的弧形修整型面用于与弧形牙齿表面更贴合以及改善的清扫动作。
Description
发明领域
本发明涉及牙刷,特别涉及通过进入牙齿之间的邻间空间并提供改进的刷牙效果从而共同增强牙齿表面的清洁度,具有特殊刷毛图案的牙刷。
发明背景
牙刷的主要目的是通过清除牙齿表面、包括牙齿弧形外表面和牙齿之间的邻间表面即牙齿外形上的斑点和残渣来清洁牙齿。为便于这样的清洁,现有牙刷包括长度均匀的刷毛簇、平的刷毛修整,每一刷毛包括紧固在牙刷头部中的第一端和用来刷牙的第二自由端。具有这样的平刷毛修整的牙刷限定了其与牙齿的弧度相贴合、进入牙齿之间的邻间区域中以及清除斑点和残渣的能力,因为在平刷毛修整中的刷毛倾向于互相干扰。
使用者为了使得其平刷毛修整的现有牙刷与牙齿的弧度相符和进入牙齿之间的邻间空间,必须用力使用牙刷,以使刷毛充分变形而与牙齿外形相符。用力使用牙刷造成牙齿表面和牙床过度和有害的磨损,同时牙刷仍不能与牙齿外形完全相符而产生期望的清洁度。
美国专利5,742,972公开一种牙刷,其刷毛修整成,在牙刷头部离牙刷柄最远的前端区有斜向向下的刷毛簇子集,其中具有靠近该前端的最长的刷毛簇。沿牙刷头部最靠近牙刷柄的跟部,具有多个在牙刷头部纵向上修整成槽形的刷毛行。这一刷毛修整的组合因与牙齿的弧形表面和牙齿之间的表面相符而提供了邻间和牙龈边界的增强的清洁度。尽管刷毛簇的这一组合较之长度均匀、平修整的牙刷与牙齿外形更相符,但刷毛簇和修整的间距和多样性尚不足以提供用于牙齿表面增强的清洁度的与牙齿外形期望的符合度。
此外,美国专利5,335,389、5,341,537、5,446,940和5,459,899也公开了其他各种由较长和较短刷毛簇和刷毛条组合而成的牙刷,这些刷毛簇和刷毛条一般与所公开牙刷的表面正交,但也包括与牙刷表面相交成成锐角的刷毛组,这些刷毛组可以是离散的刷毛簇和/或连续的刷毛条。与美国专利5,742,972一样,这些牙刷的刷毛图案较之现有平修整图案与牙齿的弧形表面之间更相符,但与美国专利5,742,972一样,各组刷毛的间距和多样性尚不足以提供用于牙齿表面增强的清洁度的与牙齿外形期望的符合度。
美国外观设计专利422,143和425,306公开的刷毛图案的特征在于平刷毛修整和位于牙刷头部纵向轴线的横向上、与牙刷头部两端相间隔的三个间隔刷毛条。由于现有牙刷头部一般长约3cm,因此与牙刷头部两端相间隔的这三个刷毛条的设计只能允许该三个刷毛条占据约2cm牙刷头部纵向长度,即刷毛条之间最多相间隔1cm。由于成人臼齿的宽度一般在1cm以上,因此这些外观设计专利公开的间距最多为1cm的刷毛条不容易进入这样的臼齿之间的邻间空间中。此外,以这一间隔横向伸展在牙刷头部上的三个刷毛条会造成三个刷毛条中的至少一个刷毛条抵靠较小前齿如门齿之一的表面上,从而防止其他刷毛条进入、清洁这些齿之间的邻间空间。由于刷毛条不容易进入邻间空间,因此使用者会用力刷牙迫使刷毛条进入臼齿侧面周围和门齿、犬齿、双尖齿和臼齿之间,造成上述有害磨损。
因此需要有一种牙刷,其刷毛图案具有这样的能力,即无需施加过度和有害刷牙力就能进入邻间空间,与牙齿弧度更相符,提高清扫效果,从而共同来提高对所有牙齿的清洁度。
发明内容
本发明包括一有一与细长牙刷手柄连接的细长牙刷头部的牙刷,该牙刷头部被两行刷毛簇或者刷毛条分成三段,所述两行刷毛簇或者刷毛条伸展在整个牙刷头部横向上,在牙刷表面上的高度至少为1.0cm,间隔至少为1.2cm,其中,最靠近牙刷前端的第一段包括至少两行伸展在牙刷头部横向上的刷毛簇,构成这至少两行的刷毛簇的刷毛的修整型面相对牙刷的顶端呈具有第一曲率半径的凸起弧形;位于两个横向刷毛簇行之间的第二段包括其弯曲修整型面相对牙刷表面呈具有第二曲率半径的凸起弧形的多行刷毛簇;最靠近牙刷柄的第三段包括其弯曲修整型面相对牙刷头部的牙刷柄端呈具有第三曲率半径的凸起弧形的至少两刷毛簇行;这些特征的组合使得刷毛簇构型能与牙齿的弧度相符,同时更便于进入牙齿之间的邻间空间,从而提高牙齿表面和牙齿之间表面上的斑点和残渣的清扫效果。
本发明第二实施例包括上述第一实施例的三段刷毛簇,只是三段刷毛簇的修整型面不是呈弧形,而是呈平面或平面的组合。确切说,第一和第三段的自由端的型面修整各位于一从相应的牙刷头部两端向牙刷头部表面中央向下倾斜的平面中。第二中央段的自由端的型面修整呈由两个平面构成的顶端在中央的倒“V”形,这两个平面分别向牙刷头部的前端和牙刷柄端向下斜向伸展。这种型面的刷毛修整使得刷毛顶端之间进一步分开,从而有助于提高清扫效果,提供了牙齿表面的增强的清洁度。
本发明第三实施例包括第一实施例的三段刷毛簇,其中,第二段中的刷毛簇包括位于牙刷表面中央的一组内部刷毛簇和位于该表面周边处的一组外部刷毛簇,该组内部刷毛簇向牙刷头部的前端或牙刷柄端成锐角斜向伸展,该外部刷毛簇编组与该内部刷毛簇编组相比向牙刷头部的相反端成锐角倾斜。该内部刷毛簇编组和该外部刷毛簇编组中的各行刷毛簇可布置成大致对齐并与牙刷头部纵向轴平行的各列。当牙刷在口中作水平往复运动时,第三实施例进一步提高牙刷进入邻间空间的能力。
附图简要说明
尽管以特别地和明确地指出本发明权利的权利要求书结束,但从以下结合附图对若干优选实施例的说明中可更好理解本发明,在这些附图中,相同部件用同一标号表示,附图中:
图1为一具有本发明牙刷刷毛图案的牙刷的立体图;其中,所示出的具体的牙刷柄是任意选择的,与这里所述的和要求的发明无关;
图2为图1实施例的侧视图;
图2A为本发明第二实施例的侧视图,由两行横向伸展刷毛簇分开的三段刷毛簇的自由端呈平面而不是如图1和2所示实施例那样呈曲面;
图3为图1实施例的俯视图;
图4为本发明牙刷刷毛图案第三实施例,其中只示出牙刷头部;和
图5为图4实施例的俯视图。
对优选实施例的详细说明
图1为一牙刷10的立体图,示出一种类型的细长牙刷柄12和一细长牙刷头部14和伸展在牙刷头部纵向轴线A-A的横向上的两行刷毛簇24和26。这两行横向刷毛簇24和26的长度与该牙刷头部14中的任何其他刷毛簇等长或更长,该长度在牙刷10的表面22上的高度至少为1.0cm、最好至少为1.2cm。如图所示由离散刷毛簇或由连续刷毛条构成的这两横向行24、26的间距至少为1.2cm、最好至少为1.3cm、更好至少为1.5cm,它们在牙刷表面22上的位置把牙刷头部分成三段刷毛簇16、18和20。这三段刷毛簇16、18和20的自由端的型面的刷毛修整相对表面22呈凸起弧形,以便于一种改进的清扫作用,因为各刷毛之间的干扰减小,与牙齿之间的弧度更相符。这一形状的刷毛修整与间隔成使得每一刷毛在进入邻间空间的同时不妨碍另一刷毛进入的两行横向刷毛簇或刷毛条24、26的组合体现出本发明用来提高牙齿清洁度的特征和结构。
参见图2和3所示第一和第三段刷毛簇16和20,这两段刷毛簇各包括在牙刷头部14纵向轴线A-A的横向上定位的至少两行平行刷毛簇,每一行有一个或多个刷毛簇。在顶部视图中,第二段18刷毛簇可包括许多平行行和大致对齐并与牙刷头部14的纵向轴线A-A垂直的平行列,即如图5所示布置成笛卡儿坐标图案。也可如图3所示,第二段18中的刷毛簇的顶部视图可布置成一系列同心圆或其他几何形状如一系列同心菱形,只要其自由端型面修整为如图2、2A或4所示和如下所述。
从图2可看出,最靠近牙刷10前端30的第一刷毛簇段16自由端具有弧形刷毛修整型面,即自由端的侧视图或型面切割成位于关于牙刷10的前端30凸起的曲率半径为R1的曲面中。相应地,最靠近牙刷柄12的第三段刷毛簇20的自由端具有朝向牙刷头部14的牙刷柄12端也呈曲率半径为R3的弧形刷毛修整型面,R3可与R1相同,也可不同。曲率半径R1和R3都为约15-20cm,更好为约16-19cm。
从图2中还可看出,位于两横向行刷毛簇24、26之间的第二段刷毛簇18的自由端具有关于牙刷表面22中心凸起的曲率半径为R2弧形修整型面。曲率半径R2为约9-15cm、更好为11-14cm。
使用在本发明中的刷毛簇指的是具有的柔性便于与所有牙齿的弧度之间相符。具有如此柔性的刷毛簇的在牙刷头部14表面22上的长度或高度一般至少为约1.0cm,其圆型横截面直径最好至少为约0.254-1.27mm,其对应横截面面积为约0.00645-0.03871平方厘米。刷毛条与图1所示刷毛簇的不同之处在于,刷毛簇为如上所述离散刷毛束或编组,而刷毛条为间距紧密的许多相邻刷毛簇或许多单个刷毛,从而对使用者来说,刷毛条表现为长度为至少0.5cm、最好为0.8cm,宽度至少为0.8mm、最好为1.0mm的连续刷毛条。
除了具有柔性,本发明中的刷毛最好软到足以进入齿龈边缘、清除残渣和斑点而不造成刺激和出血。最好是,刷毛圆形端部直径为约0.0762-0.3048mm、最好为约0.127-0.2032mm。
图2A示出本发明第二实施例,在该实施例中,第一和第三段的刷毛簇的自由端位于分别向牙刷头部14中心36斜向向下伸展的平面中,第二段刷毛簇18的自由端位于两个分别从一倒“V”形的顶点向表面22斜向向下伸展的平面中;该顶点一般沿一中心线B-B位于牙刷头部14的中心36处。相应的坡度可约为20%,即每10个单位长度下降2个单位。
参见示出本发明第三实施例的图4和5,第三实施例与上述第一实施例相同;只是第二段刷毛簇18包括牙刷头部14中央处的一内部刷毛簇28的编组,该内部编组由位于牙刷头部14周边即两侧上的至少一行外部刷毛簇34与牙刷面32的边缘隔开。该内部刷毛簇编组28朝向或离开牙刷头部14前端30与牙刷头部14表面22成锐角倾斜。相应地,外部刷毛簇34在相反方向上以相同或不同角度与牙刷头部表面成锐角倾斜,例如,如该内部刷毛簇编组28如图4所示朝向前端30倾斜,则该外部刷毛簇远离前端倾斜。周边上外部刷毛簇34与表面22之间和该组内部刷毛簇28与表面22之间的锐角为约78-95°、较好为约80-90°、最好为约80-85°。角度相反的外部刷毛簇编组34和内部刷毛簇编组28在使用者在前后齿表面上水平移动牙刷时提供了增强这些特殊刷毛簇进入邻间中。
本发明可使用任何现有柔性刷毛材料。尼龙和聚酯为优选的刷毛材料,其中尼龙更优选。优选的尼龙牌号6,12尼龙可从E.I.DuPont deNemours and Company of Wilmington Delaware购得,其商标为TYNEX。
刷毛可使用普通卡钉技术或美国专利4,635,313、4,637,660、4,954,305、5,045,267、5,390,984、5,533,791、5,609,890和5,823,633所述更现代的非卡钉技术在牙刷表面22中植入刷毛簇。这类非卡钉技术涉及的方法中,通过加热刷毛簇和牙刷头部14把刷毛簇熔入牙刷头部14的表面22中,使之成为一体;或者可在注入牙刷材料前把刷毛簇端部预先定位在一注模中,然后把牙刷材料注入刷毛簇端部周围,从而在牙刷头部14表面22中把刷毛簇固定到位。
Claims (7)
1.一种增强清洁度的牙刷,包括:
(a)一细长牙刷柄(12);
(b)一从该牙刷柄(12)伸出的并连接在牙刷柄(12)的细长牙刷头部(14),该牙刷头部(14)终止于一远离牙刷柄(12)的前端(30);
(c)该细长牙刷头部(14)具有在其一侧面上的一表面(22)和一纵向轴线(A-A);
(d)许多柔性刷毛簇,每一刷毛簇包括紧固在所述表面(22)上的一端和另一从其中延伸的自由端;
(e)所述牙刷头部(14)由两行刷毛簇(24、26)被分成三段刷毛簇(16,18,20),所述两行刷毛簇(24,26)大致定位成与该纵向轴线(A-A)垂直并且穿过牙刷头部(14)延伸,所述两行刷毛簇(24,26)在表面(22)上的高度至少为约1.0cm的,第一段刷毛簇(16)位于该前端(30)旁,具有相对该前端(30)呈具有第一曲率半径(R1)的凸起弧形修整型面;第二段刷毛簇(18)位于这两行刷毛簇(24、26)之间,具有相对牙刷表面(22)呈具有第二曲率半径(R2)的凸起弧形修整型面,具有位于牙刷头部14中央的内部刷毛簇编组(28)和内部刷毛簇编组(28)周边上位于牙刷头部(14)两侧旁的外部刷毛簇编组(34),该内部刷毛簇编组(28)向前端(30)或牙刷头部(14)的牙刷柄端以锐角斜向向下伸展,外部刷毛簇编组(34)向与该内部刷毛簇编组(28)相比的牙刷头部相反端部以锐角斜向向下伸展;牙刷柄(12)旁的第三段刷毛簇(20)具有相对牙刷柄(12)呈具有第三曲率半径(R3)的凸起弧形修整型面;
(f)这两行刷毛簇(24、26)的间距至少为1.2cm。
2.按权利要求1所述的牙刷,其特征在于,第一(16)和第三(20)段刷毛簇各包括定位为与牙刷纵向轴线(A-A)垂直的至少两行刷毛簇。
3.按权利要求1所述的牙刷,其特征在于,第一(R1)和第三(R3)曲率半径可相同,也可不同,为15-20cm。
4.按权利要求1所述的牙刷,其特征在于,把牙刷头部(14)分成第一(16)、第二(18)和第三(20)段的两行刷毛簇(24、26)呈条状。
5.按权利要求4所述的牙刷,其特征在于,刷毛条长至少0.5cm,宽0.8mm。
6.按权利要求1所述的牙刷,其特征在于,刷毛簇圆横截面直径至少为0.25mm。
7.按权利要求1所述的牙刷,其特征在于,与牙刷(10)表面(22)成锐角的内部刷毛簇编组(28)和外部刷毛簇编组(34)的角度可相同,也可不同。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/123,437 USD440767S1 (en) | 2000-05-18 | 2000-05-18 | Set of bristles for a toothbrush |
US29/123,437 | 2000-05-18 | ||
US29/129,978 USD451284S1 (en) | 2000-09-26 | 2000-09-26 | Set of bristles for a toothbrush |
US29/129,978 | 2000-09-26 | ||
US09/788,929 | 2001-02-20 | ||
US09/788,929 US6643886B2 (en) | 2000-05-18 | 2001-02-20 | Toothbrush having an efficacious bristle pattern |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1443046A CN1443046A (zh) | 2003-09-17 |
CN1190163C true CN1190163C (zh) | 2005-02-23 |
Family
ID=27382953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018130828A Expired - Fee Related CN1190163C (zh) | 2000-05-18 | 2001-05-15 | 具有有效刷毛图案的牙刷 |
Country Status (24)
Country | Link |
---|---|
US (1) | US6643886B2 (zh) |
EP (1) | EP1286608B1 (zh) |
JP (1) | JP2003533254A (zh) |
KR (1) | KR100709397B1 (zh) |
CN (1) | CN1190163C (zh) |
AR (1) | AR028587A1 (zh) |
AU (2) | AU6164601A (zh) |
BR (1) | BR0110930A (zh) |
CA (1) | CA2409119C (zh) |
DO (1) | DOP2001000160A (zh) |
EG (1) | EG22528A (zh) |
GB (1) | GB2379162B (zh) |
HU (1) | HUP0302305A3 (zh) |
IL (1) | IL152882A0 (zh) |
MX (1) | MXPA02011280A (zh) |
MY (1) | MY128150A (zh) |
NO (1) | NO20025477L (zh) |
NZ (1) | NZ522609A (zh) |
PE (1) | PE20011298A1 (zh) |
PL (1) | PL358526A1 (zh) |
UA (1) | UA72980C2 (zh) |
UY (1) | UY26705A1 (zh) |
WO (1) | WO2001087115A2 (zh) |
YU (1) | YU86602A (zh) |
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-
2001
- 2001-02-20 US US09/788,929 patent/US6643886B2/en not_active Expired - Fee Related
- 2001-04-23 MY MYPI20011899A patent/MY128150A/en unknown
- 2001-05-08 DO DO2001000160A patent/DOP2001000160A/es unknown
- 2001-05-15 UY UY26705A patent/UY26705A1/es not_active Application Discontinuation
- 2001-05-15 YU YU86602A patent/YU86602A/sh unknown
- 2001-05-15 BR BR0110930-8A patent/BR0110930A/pt not_active Application Discontinuation
- 2001-05-15 JP JP2001583591A patent/JP2003533254A/ja active Pending
- 2001-05-15 GB GB0229514A patent/GB2379162B/en not_active Expired - Fee Related
- 2001-05-15 MX MXPA02011280A patent/MXPA02011280A/es active IP Right Grant
- 2001-05-15 HU HU0302305A patent/HUP0302305A3/hu unknown
- 2001-05-15 EP EP01935564A patent/EP1286608B1/en not_active Expired - Lifetime
- 2001-05-15 EG EG20010505A patent/EG22528A/xx active
- 2001-05-15 UA UA20021210225A patent/UA72980C2/uk unknown
- 2001-05-15 KR KR1020027015489A patent/KR100709397B1/ko not_active IP Right Cessation
- 2001-05-15 CA CA 2409119 patent/CA2409119C/en not_active Expired - Fee Related
- 2001-05-15 PL PL01358526A patent/PL358526A1/xx not_active Application Discontinuation
- 2001-05-15 WO PCT/US2001/015756 patent/WO2001087115A2/en active IP Right Grant
- 2001-05-15 CN CNB018130828A patent/CN1190163C/zh not_active Expired - Fee Related
- 2001-05-15 IL IL15288201A patent/IL152882A0/xx unknown
- 2001-05-15 NZ NZ522609A patent/NZ522609A/en unknown
- 2001-05-15 AU AU6164601A patent/AU6164601A/xx active Pending
- 2001-05-15 AU AU2001261646A patent/AU2001261646B2/en not_active Ceased
- 2001-05-17 PE PE2001000444A patent/PE20011298A1/es not_active Application Discontinuation
- 2001-05-18 AR ARP010102364A patent/AR028587A1/es not_active Application Discontinuation
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2002
- 2002-11-15 NO NO20025477A patent/NO20025477L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2409119C (en) | 2008-08-05 |
PL358526A1 (en) | 2004-08-09 |
MY128150A (en) | 2007-01-31 |
EP1286608A2 (en) | 2003-03-05 |
NO20025477D0 (no) | 2002-11-15 |
GB2379162A (en) | 2003-03-05 |
AR028587A1 (es) | 2003-05-14 |
YU86602A (sh) | 2003-08-29 |
US20010042280A1 (en) | 2001-11-22 |
KR20030003736A (ko) | 2003-01-10 |
US6643886B2 (en) | 2003-11-11 |
WO2001087115A2 (en) | 2001-11-22 |
UA72980C2 (uk) | 2005-05-16 |
HUP0302305A3 (en) | 2005-01-28 |
EG22528A (en) | 2003-03-31 |
MXPA02011280A (es) | 2003-04-25 |
JP2003533254A (ja) | 2003-11-11 |
CN1443046A (zh) | 2003-09-17 |
GB2379162B (en) | 2004-02-18 |
DOP2001000160A (es) | 2002-05-15 |
CA2409119A1 (en) | 2001-11-22 |
NZ522609A (en) | 2004-09-24 |
GB0229514D0 (en) | 2003-01-22 |
HUP0302305A2 (hu) | 2003-10-28 |
KR100709397B1 (ko) | 2007-04-18 |
PE20011298A1 (es) | 2001-12-25 |
NO20025477L (no) | 2003-01-09 |
EP1286608B1 (en) | 2008-03-19 |
UY26705A1 (es) | 2001-12-28 |
IL152882A0 (en) | 2003-06-24 |
AU6164601A (en) | 2001-11-26 |
AU2001261646B2 (en) | 2006-02-02 |
WO2001087115A3 (en) | 2002-03-28 |
BR0110930A (pt) | 2003-02-11 |
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