Composition for the dyeing of human keratinous fibres...

Details Composition for the dyeing of human keratinous fibres... Composition for the dyeing of human keratinous fibres...

2006-07-18

2006-07-18

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S407000, C008S437000, C008S451000, C008S463000, C008S466000, C008S570000, C008S571000, C008S573000, C008S574000, C548S318100, C548S321100, C548S333100, C548S400000, C546S185000, C546S193000, C546S249000

Reexamination Certificate

active

07077873

ABSTRACT:
A subject-matter of the disclosure is a novel composition for the dyeing of human keratinous fibres, for example, the hair, comprising a monocationic monoazo dye of formula (I) W1-N═N—W2-NW3-W4-W5, the dyeing processes employing it, the use of the dyes of formula (I) as direct dyes and the novel compounds of formula (I).

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