Patent ID: 7682404
Filing Date: 2010-03-23
Classification: A61K,A61Q,C07D,C09B

Abstract:
1. A process for coloring keratin fibers, which comprises contacting said fibers, with at least one colored metal-complex comprising a metal and a ligand of formulae (1), or (2), wherein m is 0, 1, 2, 3 or 4; it being possible when a plurality of m is present to be selected independently of each other; n is 0, 1, 2 or 3; it being possible when a plurality of n is present to be selected independently of each other; p is 0, 1 or 2; it being possible when a plurality of n is present to be selected independently of each other; Z, when present, is unsubstituted or substituted and/or interrupted or uninterrupted alkyl or cycloalkyl; unsubstituted or substituted aryl or heteroaryl; or unsubstituted or substituted radicals of azo or azomethine compounds; halogen; hydroxyl; thiol; nitro; sulfo; cyano; guanidine; unsubstituted or substituted —OR with the proviso that a metal-complex of Fe wherein said process is carried out in the absence of a dye precursor, and is a process wherein the keratin fibers or the hair is contacted with the colored metal-complex without pre-treatment or presence of a keratin swelling agent and the colored metal-complex is the only dye used.