Composition for the oxidation dyeing of keratin fibers and dyeing process using this composition
US6840966B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2003 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Aug 22, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/66
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a ready-to-use composition for the oxidation dyeing of keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, para-phenylenediamine as first oxidation base, at least one para-aminophenol as second oxidation base, 2-methyl-5-N-(β-hydroxyethyl)aminophenol as coupler and at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme, and to the dyeing process using this composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.