Cationic dyes for keratin-containing fibres

Details Cationic dyes for keratin-containing fibres Cationic dyes for keratin-containing fibres

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2153332

Keratin-containing fibres, in particular human hair, are dyed using dyes using dyes of formulae (1) to (9) indicated in claim 1.

Teinture de fibres kératiniques, notamment des cheveux, à l'aide de colorants répondant aux formules (1) à (9) indiquées dans la première revendication.

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