Agents for coloring fibers containing keratin
US7300472B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2006 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jun 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to agents for coloring fibers containing keratin, in particular, human hair, which comprise selected cationic, CH-acidic heterocycles according to formula Iin which A, R1, R2 and X− are as defined in the application, in combination with reactive carbonyl compounds, to the use of this combination in agents for coloring fibers containing keratin, for freshening up the color or nuancing fibers containing keratin which have already been colored, and to a method of coloring fibers containing keratin, in particular, human hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.