Cationic methylenedioxy benzenes, their use for oxidation dyeing of keratin fibers, dyeing compositions and methods
申请人:L'Oreal S.A.
公开号:US06497730B1
公开(公告)日:2002-12-24
The invention relates to novel methylene-dioxybenzenes comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring and aliphatic chains comprising at least one quaternized unsaturated ring, to their use as oxidation dye precursors for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.
本发明涉及一种新型的二氧化亚苯醚,其中至少包含一个阳离子基团Z,Z被选择为季铵化脂肪链,至少包含一个季铵化饱和环的脂肪链和至少包含一个季铵化不饱和环的脂肪链,以及它们作为角蛋白纤维氧化染料前体的使用,含有它们的染料组合物和使用它们的氧化染料过程。