Composition for dyeing the hair, comprising a heterocyclic oxidation base and a 2-amino-5-ethylphenol coupler
US11730688B2 · kind B2 · utility
0Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2016 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Dec 20, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Composition for dyeing the hair, comprising a heterocyclic oxidation base and a 2-amino-5-ethylphenol coupler The present invention relates to a composition for dyeing keratin fibres, comprising a particular heterocyclic oxidation base and a 2-amino-5-ethylphenol coupler. 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.