Diaminopyrazole compounds and the use thereof in the...

Details Diaminopyrazole compounds and the use thereof in the... Diaminopyrazole compounds and the use thereof in the...

2007-11-27

2007-11-27

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

C008S406000, C008S408000, C008S410000, C008S421000, C008S570000, C008S573000, C008S649000, C008S670000, C548S300100

Reexamination Certificate

active

10468303

ABSTRACT:
The invention relates to novel diaminopyrazole having formula (I), wherein: R1, R2, identical or different, represent a C3C5mono- or polyhydroxyalkyl, isopropyl, n-propyl or ethyl group, said groups being linear or branched, and their physiologically acceptable salts. The invention also relates to a composition for dyeing keratinous fibres containing a compound having formula (I) and the method for using same.

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STIC Search Report dated Nov. 17, 2006.
English language Derwent Abstract of DE 196 46 609, May 14, 1998.

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