Oxidative dyeing compositions comprising an 1-Hexy1/Hepty1-4,5-diaminopyrazole and a benzene-1,3-diol and derivatives thereof
US8444714B2 · kind B2 · utility
11Cited by
48References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 16, 2012 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Feb 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oxidative dyeing composition comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; (B) a benzene-1,3-diol compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof, and (C) an oxidizing agent.wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.