Direct dye composition for the hair, comprising a crosslinked polymer containing acrylic units and C10-C30 alkyl acrylate units
US7056346B1 · kind B1 · utility
8Cited by
22References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 2000 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Sep 18, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/8152
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition comprising, in a cosmetically acceptable support suitable for dyeing the hair, at least one direct dye and at least one crosslinked polymer containing acrylic residue units of the structurein which R1 denotes H, CH3 or C2H5, and C10–C30 alkyl acrylate residue units, wherein the composition is a direct dyeing composition for the hair, and wherein said at least one direct dye is an anthraquinone or azo dye which is acidic or cationic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.