Composition for dyeing keratinous fibers with a cationic direct dye and a quaternary ammonium salt
US7087096B2 · kind B2 · utility
2Cited by
11References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2004 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Jul 1, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns a dyeing composition for keratinous fibers, in particular human keratinous fibers such as hair, comprising in an appropriate dyeing medium, at least a direct cationic coloring agent of specific formula, and characterized in that it further contains at least a quaternary ammonium salt. The invention also concerns methods and devices using said composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.