Oxidizing hair coloring agents containing m-aminophenol derivatives
US7491244B2 · kind B2 · utility
7Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2006 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Dec 10, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The object of the present patent application are agents for the oxidative coloring of keratin fibers, particularly hair, based on a developer substance-coupler substance combination, characterized in that they contain at least one meta-aminophenol derivative of general formula (I)wherein
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.