Compounds derived from diaminopyrazoles substituted by an aminoalkyl or aminoalkenyl radical and their use in oxidation dyeing of keratinous fibres
US7014663B2 · kind B2 · utility
10Cited by
4References
24Claims
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Assignee
Inventors
Key dates
| Filing date | Jul 9, 2002 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns compounds derived from diaminopyrazole of formula (I), wherein: R1 is a linear or branched radical selected among C2, C3, C4 aminoalkyl radicals or C2, C3, C4 aminoalkenyl radicals, or one of the physiologically acceptable salts thereof. The invention also concerns compositions containing said compound for dyeing keratinous fibers and the method using said compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.