Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods
US6565614B1 · kind B1 · utility
19Cited by
17References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1999 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jun 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C217/84
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z bearing at least one quaternary ammonium unit which may or may not be cyclized, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing then and to oxidation dyeing processes using them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.