Compositions for oxidation dyeing keratin fibres comprising a cationic coupler novel cationic couplers their use for oxidation dyeing and dyeing methods
申请人:L'Oreal
公开号:US06544298B1
公开(公告)日:2003-04-08
The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising at least one oxidation base and, as coupler, at least one 2-acylaminophenol of formula (I) comprising at least one cationic group Z of formula (II), their use as coupler for the oxidation dyeing of keratinous fibers, oxidation dyeing methods using them, as well as novel cationic 2-acylaminophenols of formula (I′).
本发明涉及一种用于氧化染色角蛋白纤维的组合物,特别是人类角蛋白纤维,如头发,包括至少一种氧化碱和作为偶联剂的至少一种式(I)的2-酰胺基苯酚,其中该2-酰胺基苯酚包括至少一种式(II)的阳离子基团Z,它们作为角蛋白纤维氧化染色的偶联剂的使用,使用它们的氧化染色方法,以及新型式(I')的阳离子2-酰胺基苯酚。