Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233146 | Process for dyeing keratin fibers using a direct dye and a saccharinate salt and composition comprising them | Stéphane Sabelle | 2025-02-25 |
| 11672747 | Process for dyeing keratin materials using a direct dye and an aliphatic ammonium salt, and composition comprising same | Stéphane Sabelle | 2023-06-13 |
| 9554977 | Triaromatic azomethine direct dyes, dye composition comprising at least one such dye, method of implementation and use | Stéphane Sabelle, Madeleine Leduc | 2017-01-31 |