Use of cationic monobenzene nitroanilines in the dyeing of keratinous fibers, dyeing compositions and dyeing processes
申请人:L'Oréal S.A.
公开号:US06478827B1
公开(公告)日:2002-11-12
The subject of the invention is dyeing compositions containing cationic monobenzene nitroanilines having at least one cationic charge delocalized over an unsaturated 5-membered polynitrogenous heterocycle, their use as direct dye compositions for the dyeing of keratinous substances, in particular human keratinous fibers, such as the hair, and the direct dyeing processes employing these compositions.
本发明涉及含有带有至少一个在不饱和五元杂氮杂环上离域的阳离子单苯基硝基苯胺的染料组合物,以及它们作为直接染料组合物用于染色角蛋白物质,特别是人体角蛋白纤维,如头发的使用,以及使用这些组合物的直接染色过程。