Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent
US5879412A · kind A · utility
36Cited by
8References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/4324
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A ready-to-use composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as hair, this composition comprising at least one oxidation base selected from para-phenylenediamines and bis(phenyl)-alkylenediamines, in combination with at least one coupler selected from meta-phenylenediamines, at least one selected cationic direct dye and at least one oxidizing agent, as well as to the dyeing process using this composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.