Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11730688 | Composition for dyeing the hair, comprising a heterocyclic oxidation base and a 2-amino-5-ethylphenol coupler | Valérie Nicou, Frédéric Le Grand | 2023-08-22 |
| 11555017 | Oxidation base derived from 1-hexyl-4,5-diaminopyrazole, composition containing same and use thereof in oxidation dyeing of keratin fibres | — | 2023-01-17 |