Dyeing compositions comprising at least one aminopyrazolopyridine oxidation base, at least one coupler and at least one C4-C30 polyol and methods and use thereof
US7578856B2 · kind B2 · utility
3Cited by
21References
16Claims
0Family size
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Key dates
| Filing date | May 9, 2008 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | May 9, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed herein are compositions for dyeing keratinous fibers comprising, in an appropriate dyeing medium, at least one aminopyrazolopyridine oxidation base chosen from those of formula (I),wherein it is understood that at least one of the groups R′1, and R′2 is chosen from cationic radicals; at least one coupler and at least one C4-C30 polyol. Dyeing methods and multi-compartment devices for use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.