Cationic dyes and dyestuff for keratin fibres containing...

Details Cationic dyes and dyestuff for keratin fibres containing... Cationic dyes and dyestuff for keratin fibres containing...

C - Chemistry, Metallurgy

07

D

C07D 231/38 (2006.01) A61K 31/415 (2006.01)

Patent

CA 2564158

The invention relates to 4-(pyrazol-4-ylimino)-2,5-cyclohexadienylidene ammonium salts of general formula (I) as well as to dyestuff for keratin fibres, containing said compounds.

L'invention concerne des sels de 4-(pyrazol-4-ylimino)-2,5-cyclohexadiénylidène ammonium de formule générale (I) ainsi que des produits colorants pour fibres de kératine, contenant ces composés.

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