Composition for dyeing the hair, comprising an oxidation base of para-phenylenediamine type and a 2-amino-5-ethylphenol coupler
US11324682B2 · kind B2 · utility
2Cited by
17References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2016 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Dec 7, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for dyeing keratin fibres, comprising: (a) at least one 2-amino-5-ethylphenol coupler, or an addition salt or solvate thereof, and (b) at least one oxidation base 3-(2,5-diaminophenyl)-1-propanol and/or the addition salts thereof or solvates thereof. The invention also relates to a process for dyeing keratin fibres using this composition. Finally, the invention relates to the use of such a composition for dyeing keratin fibres, and in particular the hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.