Compositions and processes for the oxidation dyeing of keratin fibres with an oxidation base, a meta-aminophenol coupler, and a 6-hydroxyindoline coupler
US5735909A · kind A · utility
5Cited by
8References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Feb 27, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for the oxidation dyeing of keratin fibres, in particular human keratin fibres such as the hair, comprising at least one suitably selected oxidation base, at least one meta-aminophenol or an acid addition salt thereof as a first coupler, and at least one 6-hydroxyindoline or an acid addition salt thereof as a second coupler, and to the dyeing process using this composition with an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.