Dye composition using a 2-hydroxynaphthalene, (acylamino)phenol or quinoline coupler in a fatty-substance-rich medium, dyeing process and device therefor
US9028562B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2012 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Apr 19, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a cosmetic composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising: a) one or more fatty substances; b) one or more surfactants; c) one or more oxidation bases; d) one or more couplers based on 2-hydroxynaphthalene derivatives or particular phenol derivatives, acylaminophenol derivatives or quinoline derivatives; f) one or more basifying agents; e) optionally one or more chemical oxidizing agents; and the fatty substance content representing in total at least 25% by weight relative to the total weight of the formulation. The present invention also relates to a process using this composition, and to a multi-compartment device that is suitable for performing the said process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.