Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a benzo[1,3]dioxol-5-ylamine and derivatives thereof
US8444712B2 · kind B2 · utility
11Cited by
49References
16Claims
0Family size
Assignee
Inventors
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 primaryA61K8/4973
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; and (B) a benzo[1,3]dioxol-5-ylamine compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agentwherein 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.