Composition for the direct dyeing of keratin fibres with a cationic direct dye and a polyol and/or a polyol ether
US6436153B1 · kind B1 · utility
18Cited by
23References
60Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1999 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | May 28, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/496
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a direct dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing and which is free of oxidases or oxidoreductases, at least one cationic direct dye of given formula and at least one specific polyol and/or polyol ether. Subjects of the invention are also the dyeing processes and devices/kits using the said composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.