Coloring composition comprising at least one azomethine compound with a pyrazolinone unit
US7582123B2 · kind B2 · utility
9Cited by
30References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2008 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Jun 19, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to a composition for coloring keratin fibers which comprises, in an appropriate dyeing medium, at least one compound chosen from leuco compounds of formula (I), azomethine dyes with a pyrazolinone unit of formula (II), their mesomeric forms, acid addition salts and solvates thereof:and dyeing methods and multicompartment devices for use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.