Dye composition containing a particular cationic hydrazone...

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

Reexamination Certificate

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Details

C008S406000, C008S407000, C008S411000, C008S435000, C008S454000, C008S552000, C008S568000, C546S332000

Reexamination Certificate

active

07374581

ABSTRACT:
The invention relates to a dye composition for dyeing human keratin fibres and more particularly the hair, comprising a particular direct cationic hydrazone dye of formula (I)and also to processes for dyeing human keratin fibres using such a composition.

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