Cationic azacyanine dyes and colorants containing these

Details Cationic azacyanine dyes and colorants containing these Cationic azacyanine dyes and colorants containing these

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61Q 5/06 (2006.01) A61Q 5/08 (2006.01) A61Q 5/10 (2006.01) C09B 55/00 (2006.01) C09B 67/32 (2006.01)

Patent

CA 2582868

The invention relates to agents, which contain cationic azacyanine dyes of formula (I) and which are used for dyeing fibers, such as keratin fibers, wool, silk, or furs and, in particular, human hair, and relates to novel asymmetrical azacyanine dyes.

L'invention concerne des agents contenant des matières colorantes cationiques à base d'azacyanine, de formule (I), utilisés pour colorer des fibres, comme par exemple des fibres kératiniques, de la laine, de la soie ou des fourrures et notamment des cheveux humains. L'invention concerne également de nouvelles matières colorantes asymétriques à base d'azacyanine.

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