Oxidation dyeing compositions containing a cationic coupling agent, novel cationic coupling agents
US6419711B1 · kind B1 · utility
19Cited by
2References
62Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Nov 13, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/15
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns an oxidation dyeing composition for keratinous fibers containing at least a monobenzene coupling agent including at least a cationic group Z bearing at least a cyclized or non-cyclized quaternary ammonium unit, the use of said coupling agents for dyeing keratinous fibers, dyeing methods using same, and novel monobenzene coupling agents comprising at least a cationic group Z bearing at least a cyclized or non-cylized quaternary ammonium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.