Oxidation dye composition for keratin fibres, comprising an anionic amphiphilic polymer
US5989295A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Sep 5, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oxidation dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, which is characterized in that it also contains an anionic amphiphilic polymer containing at least one hydrophilic unit of an unsaturated olefinic carboxylic acid, and at least one hydrophobic unit which is a (C.sub.10 -C.sub.30)alkyl ester of unsaturated carboxylic acid, preferably exclusively of said (C.sub.10 -C.sub.30)alkyl ester of unsaturated carboxylic acid. The oxidation dye compositions are used in dyeing processes and dyeing devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.