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...

2007-10-23

2007-10-23

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

10468288

ABSTRACT:
The invention relates to novel diaminopyrazole compounds having formula (I): wherein R1represents a linear or branched C4-C5alkyl or n-propyl group, or a linear or branched C3-C5mono or polyhydroxy alkyl group, and the addition salts thereof with a physiologically acceptable acid. The invention also relates to the compositions containing such a compound for the dyeing of keratinous fibres and the method for using said compositions.

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English abstract of the De Patent No. De 196 46 609 A1.
STIC Search Report dated Nov. 17, 2006.
English language Derwent Abstract of DE 196 46 609, May 14, 1998.

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