Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11007131 | Dyeing composition comprising a direct dye of triarylmethane structure, and a silicone | Frederic Guerin, Valérie Nicou | 2021-05-18 |
| 11000464 | Dyeing composition at acidic pH comprising a direct dye of triarylmethane structure | Frederic Guerin, Valérie Nicou | 2021-05-11 |