申请人:L'Oreal
公开号:US05755829A1
公开(公告)日:1998-05-26
The subject of the invention is a composition for the oxidation dyeing of keratinous fibers containing at least one N-substituted 4-hydroxyindoline derivative as coupler and at least one oxidation base. The invention also relates to new N-substituted 4-hydroxyindoline derivatives, to their process of synthesis, to their use as couplers for the oxidation dyeing of keratinous fibers, in combination with at least one oxidation base, and to the dyeing processes in which they are used.
本发明的主题是一种用于氧化染色角蛋白纤维的组合物,包含至少一种N-取代的4-羟基吲哚啉衍生物作为偶合剂和至少一种氧化剂。本发明还涉及新的N-取代的4-羟基吲哚啉衍生物,它们的合成过程,它们与至少一种氧化剂结合用于角蛋白纤维的氧化染色的偶合剂,以及它们所用的染色过程。