Ready-to-use composition for oxidation dyeing of keratin fibers comprising at least one fatty substance, at least one thickener, at least one dye precursor, at least one oxidizing agent, and at least one alkaline agent, and process and kits therewith
US7931698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2009 |
| Grant date | Apr 26, 2011 |
| Priority date | — |
| Expiry date | Dec 18, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a ready-to-use composition for the oxidation dyeing of keratin fibers, and for example of human keratin fibers such as the hair, comprising, A) at least one fatty substance other than fatty acids present in the ready-to-use composition in an amount of greater than or equal to 25% by weight relative to the total weight of the ready-to-use composition, B) at least one polymeric thickener, C) at least one dye precursor, D) at least one oxidizing agent and E) at least one alkaline agent wherein at least one of the at least one alkaline agent is an organic amine. Also provided is a method of dyeing keratin fibers, comprising applying the ready-to-use composition to the keratin fibers for a sufficient time to develop the desired coloration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.