Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereof
US7410506B2 · kind B2 · utility
1Cited by
11References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2005 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Aug 8, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to a novel family of dicationic bis-hydrazone compounds that may be used as direct dyes, and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one such compound. Also disclosed are dyeing processes implementing this composition and uses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.