Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139626 | Irreversibly erasable ink composition having a discoloration agent | Aurore SAUVAGE | 2024-11-12 |
| 12116493 | Ink eradicating fluid and kit containing it | Karine Mougin, Feriel Ghellal, Arnaud Spangenberg, Quentin Bauerlin | 2024-10-15 |
| 11891530 | Writing gel ink | Anne-Lise Damiano, Christelle Debrauwer, Claire Evrard, Wing Yam LIU | 2024-02-06 |