Dye composition for keratin fibers, with a cationic direct dye and a substantive polymer
US6592633B2 · kind B2 · utility
23Cited by
19References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1999 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | May 29, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5426
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer.The invention also relates to the dyeing processes and devices using the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.