Cationic diazo compound, compositions comprising at least one cationic diazo compound as a direct dye, a process for dyeing keratin fibers and device therefore
申请人:L'Oreal, S.A.
公开号:US07285138B2
公开(公告)日:2007-10-23
The present disclosure relates to a cationic diazo compound of formula (I):
Dye1-LK-Dye2
wherein Dye1 and Dye2 are such that the compound of formula (I) is not symmetrical, and are chosen from:
The disclosure also relates to dye compositions comprising compounds of formula (I) as direct dye, and further relates to a process for dyeing keratin fibers using the compositions disclosed herein and also to a multi-compartment device.
本公开涉及一种公式(I)的阳离子重氮化合物:Dye1-LK-Dye2其中Dye1和Dye2的选择使得公式(I)的化合物不对称,可从中选择:本公开还涉及包含公式(I)化合物作为直接染料的染料组合物,以及使用本公开揭示的组合物染色角蛋白纤维的工艺,还涉及一种多仓装置。