Cosmetic composition comprising a combination of two particular couplers and at least one oxidation base
US12290586B2 · kind B2 · utility
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1References
18Claims
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Assignee
Inventor
Key dates
| Filing date | Dec 16, 2021 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Jan 9, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A subject of the present invention is a cosmetic composition comprising 6-hydroxybenzomorpholine of formula (II), hydroxyethyl-3,4-methylenedioxyaniline of formula (III) and oxidation bases. The present invention also relates to a process for dyeing keratin fibres, such as the hair, wherein the composition as described previously is applied to said fibres. Another subject of the present invention is the use of the composition according to the invention for the cosmetic treatment of keratin fibres such as the hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.