Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods
US6638321B1 · kind B1 · utility
31Cited by
15References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1999 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jun 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z, Z being chosen from aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.