Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504318 | Symmetric azomethine direct dyes, process for their preparation, cosmetic composition comprising at least one such dye and use thereof | Stéphane Sabelle, Stéphane Blais | 2022-11-22 |
| 11406579 | Use of dihydroisoquinolinium double derivatives for treating keratin materials, compositions and implementation processes | Stéphane Sabelle | 2022-08-09 |
| 11406580 | Use of dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes | Stéphane Sabelle, Alexandra Charrier | 2022-08-09 |
| 11324682 | Composition for dyeing the hair, comprising an oxidation base of para-phenylenediamine type and a 2-amino-5-ethylphenol coupler | Valérie Nicou, Frédéric Le Grand | 2022-05-10 |
| 11213471 | Composition for dyeing the hair, comprising an oxidation base, a 2-amino-5-ethylphenol coupler and a fatty substance | Valérie Nicou, Frédéric Legrand | 2022-01-04 |