Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247131 | Process of preparation of an aqueous gel ink with fixed color comprising silver nanoparticles | Romain Metillon, Karine Mougin, Feriel Ghellal, Arnaud Spangenberg | 2025-03-11 |
| 12240984 | Process for preparing an aqueous gel ink with fixed color comprising silver or gold nanoparticles | Romain Metillon, Karine Mougin, Feriel Ghellal, Arnaud Spangenberg | 2025-03-04 |
| 12202988 | Process for preparing aqueous gel inks with fixed color, and aqueous gel inks thereof | Karine Mougin, Feriel Ghellal, Arnaud Spangenberg, Romain Metillon | 2025-01-21 |
| 12202989 | Process of preparation of an aqueous gel ink with variable color comprising silver nanoparticles | Romain Metillon, Karine Mougin, Feriel Ghellal, Arnaud Spangenberg | 2025-01-21 |