Process for dyeing in the presence of oxidation bases comprising at least one sulfonic, sulfonamide, sulfone, amid or acid group and a metal catalyst, device and ready-to-use composition
US9872822B2 · kind B2 · utility
3Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Jul 12, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for dyeing human keratin fibres, in which use is made of one or more metal catalysts and a composition (A) comprising: (a) at least 10% by weight of one or more fatty substances, (b) one or more oxidation bases of formula (I) or (II), the addition salts thereof, solvates thereof and mixtures thereof: Formula (I), Formula (II) (c) one or more chemical oxidizing agents other than atmospheric oxygen. The invention also relates to a multi-compartment device and to a composition comprising all of the above-mentioned ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.