Cationic pyrazolone dyes, method for production thereof and...

Details Cationic pyrazolone dyes, method for production thereof and... Cationic pyrazolone dyes, method for production thereof and...

C - Chemistry, Metallurgy

09

B

C09B 23/02 (2006.01) A61K 8/49 (2006.01) C09B 23/00 (2006.01) C09B 56/16 (2006.01)

Patent

CA 2572996

The invention relates to cationic pyrazolone dyes of general formula (I) and colouring agents for keratin fibres comprising said dyes.

L'invention concerne des colorants pyrazolone cationiques de formule générale (I), ainsi que des agents colorants pour fibres kératiniques, contenant ces colorants.

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