Composition for the oxidation dyeing of keratin fibers, comprising a diaminopyrazole derivative and a heterocyclic coupler, and dyeing process
US5785717A · kind A · utility
27Cited by
21References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1996 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Feb 27, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4973
- 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, comprising at least one diaminopyrazole derivative as oxidation base in combination with at least one suitably selected heterocyclic coupler, and to the dyeing process using this composition with an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.