Composition for dyeing keratin fibers, comprising at least one diamino-N,N-dihydropyrazolone derivative, at least one coupler and at least one associative polyurethane polymer
US7485156B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2006 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jul 5, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/87
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone compounds and addition salts thereof, at least one coupler and at least one associative polyurethane polymer, and also to a dyeing process and kit using such a composition.The present disclosure makes it possible, for instance, to obtain fast coloration of keratin fibers that is resistant to light and to washing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.