Dyeing composition for dyeing keratinous fibres comprising a...

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

Reexamination Certificate

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C008S407000, C008S565000, C008S567000, C008S568000, C008S570000, C008S571000, C008S572000, C008S573000, C008S574000, C008S654000, C008S655000, C546S184000, C548S318100, C548S400000

Reexamination Certificate

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07060110

ABSTRACT:
The invention concerns a novel dyeing composition for dying keratinous fibers, in particular human hair, comprising a dicationic monoazo dye, and the dyeing method using said composition and the novel compounds of formulae (I) or (II).

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