Cationic couplers and their use for oxidation dyeing
US6605124B1 · kind B1 · utility
2Cited by
10References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2000 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Nov 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject of the invention is novel compounds derived from naphth-1-ol comprising at least one cationic group, their use as coupler for the oxidation dyeing of keratinous fibres, compositions for the oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair, containing them in combination with at least one oxidation base, as well as methods of oxidation dyeing using them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.