Oxidation dyeing composition for keratin fibres comprising 2-chloro 6-methyl 3-aminophenol and two oxidation bases, and dyeing method
US6379396B1 · kind B1 · utility
16Cited by
12References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1999 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Jul 6, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/415
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject-matter of the present invention is a composition for the oxidation dyeing of keratinous fibres, in particular of human keratinous fibres, such as hair, comprising 2-chloro-6-methyl-3-aminophenol as coupler, in combination with at least two oxidation bases which are different from one another, and the dyeing process employing this composition with an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.