Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11013675 | Dye composition comprising a para-phenylenediamine oxidation base and a particular coupler | Céline Sellier, Arnaud Hucher, Aurélie Camblong | 2021-05-25 |
| 11007131 | Dyeing composition comprising a direct dye of triarylmethane structure, and a silicone | Frederic Guerin, Maria Nieto | 2021-05-18 |
| 11000464 | Dyeing composition at acidic pH comprising a direct dye of triarylmethane structure | Frederic Guerin, Maria Nieto | 2021-05-11 |