Dyeing composition for keratin fibres
US6780203B1 · kind B1 · utility
10Cited by
11References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2000 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Apr 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/494
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers, such as the hair, having at least one oxidation base chosen from diaminopyrazoles and triaminopyrazoles, in combination with at least one meta-aminophenol which is halogenated ortho to the phenol, as coupler, and to the dyeing process using this composition with an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.