发明申请
US20080052840A1 Use of an anionic hydrotrope for the colouring of keratinous fibres, composition comprising it and colouring processes employing it
有权
阴离子水溶助长剂用于角质纤维着色，包含其的组合物和使用它的着色方法
- 专利标题： Use of an anionic hydrotrope for the colouring of keratinous fibres, composition comprising it and colouring processes employing it
- 专利标题（中）： 阴离子水溶助长剂用于角质纤维着色，包含其的组合物和使用它的着色方法
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申请号： US11798940申请日： 2007-05-17
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公开(公告)号： US20080052840A1公开(公告)日： 2008-03-06
- 发明人: Maxime De Boni , Alain Lagrange
- 申请人： Maxime De Boni , Alain Lagrange
- 优先权： FR0651870 20060522
- 主分类号： A61K8/33
- IPC分类号： A61K8/33 ; A61Q5/10
摘要：
A subject-matter of the present invention is the use, in the colouring of keratinous fibres, of a specific anionic hydrotropic agent of formula: in which X represents CH or N, n represents an integer varying from 0 to 12, R1 represents COOM or SO3M, R2 represents a hydroxyl or a C1-C4 alkyl, R3 represents hydrogen or a C1-C4 alkyl, R2 and R3 can together form a ring and M represents hydrogen or one or more inorganic cations providing the electrical neutrality of the compound of formula (I). The invention likewise relates to a dyeing composition comprising at least one dye and such an anionic hydrotrope and to colouring processes employing this dyeing composition.
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