Dyeing composition comprising at least one diaminopyrazole oxidation base and at least one pyrazolo-azole coupling agent
US7004979B2 · kind B2 · utility
10Cited by
6References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2002 |
| Grant date | Feb 28, 2006 |
| Priority date | — |
| Expiry date | Dec 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a dye composition comprising an oxidation base of the diaminopyrazole type and a pyrazolo-azole coupler.The invention also relates to the use of this composition for dyeing keratin fibres and also to the dyeing process using this composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.