Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent
US5919273A · kind A · utility
60Cited by
8References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4946
- 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, comprising at least one oxidation base in combination with at least one coupler of substituted meta-aminophenol type, at least one 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.