Compositions for dyeing keratinous fibers comprising imidazopyridine derivatives and process
US5980585A · kind A · utility
19Cited by
0References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Dec 16, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4946
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for the oxidation dyeing of keratinous fibers comprising at least one imidazopyridine derivative as coupler and at least one oxidation base and the use of such an imidazopyridine derivative as a coupler, in combination with at least one oxidation base, for the oxidation dyeing of keratinous fibers and the dyeing processes employing them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.