Dye composition comprising a heterocyclic oxidation base and an indole coupler
US8366792B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2010 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Aug 11, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject of the present invention is dye composition for keratin fibers, comprising, in suitable dyeing medium, a coupler of formula (I) or addition salts thereof with an acid a particular cationic or noncationic aminopyrazolopyridine derivative. The composition of the present invention makes it possible in particular to obtain a coloring with varied, intense and/or chromatic, aesthetic and relatively nonselective shades which are highly resistant to the various attacks to which the hair may be subjected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.