Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods
US6270533A · kind A · utility
25Cited by
16References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jun 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/56
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to novel dibenzene oxidation bases containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.