发明授权
US06306179B1 Method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines, new 2-hydroxyalkyl-para-phenylenediamines, their use for oxidation dyeing, dyeing compositions and methods of dyeing
失效
2-羟基烷基 - 对苯二胺的合成方法，新的2-羟基烷基 - 对苯二胺，它们用于氧化染色，染色组合物和染色方法
- 专利标题： Method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines, new 2-hydroxyalkyl-para-phenylenediamines, their use for oxidation dyeing, dyeing compositions and methods of dyeing
- 专利标题（中）： 2-羟基烷基 - 对苯二胺的合成方法，新的2-羟基烷基 - 对苯二胺，它们用于氧化染色，染色组合物和染色方法
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申请号： US09177192申请日： 1998-10-22
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公开(公告)号： US06306179B1公开(公告)日： 2001-10-23
- 发明人: Alain Genet , Alain Lagrange
- 申请人： Alain Genet , Alain Lagrange
- 优先权： FR9713241 19971022
- 主分类号： A61K713
- IPC分类号： A61K713
摘要：
The present invention relates to a new method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, new 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, their use for the oxidation dyeing of keratinous fibers, the dyeing compositions containing them, as well as the methods of dyeing using them.
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