Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820905 | Process of preparation of an aqueous gel ink with fixed color comprising gold nanoparticles | Olivier Albenge, Romain Metillon, Feriel Ghellal, Arnaud Spangenberg | 2023-11-21 |
| 11807762 | Process for preparing aqueous gel inks with variable color, and aqueous gel inks thereof | Feriel Ghellal, Arnaud Spangenberg, Romain Metillon, Olivier Albenge | 2023-11-07 |
| 11802214 | Process of preparation of an aqueous gel ink with variable color comprising silver nanoparticles | Olivier Albenge, Romain Metillon, Feriel Ghellal, Arnaud Spangenberg | 2023-10-31 |