Dyeing composition comprising a dye chosen from styryl and imine dyes and methods for dyeing keratin fibers
US7399319B2 · kind B2 · utility
5Cited by
7References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2006 |
| Grant date | Jul 15, 2008 |
| Priority date | — |
| Expiry date | Jan 19, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed herein is a method for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising applying to the keratin fibers a dye composition comprising at least one compound chosen from styryl and imine compounds comprising a heterocycle that can undergo opening and/or dyes corresponding to these compounds whose heterocycles are open. The compositions and methods of the present disclosure may produce a coloration of keratin fibers that is chromatic and fast with respect to external factors such as shampooing, does not stain, and/or allows simultaneous dyeing and bleaching of keratin fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.