Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247131 | Process of preparation of an aqueous gel ink with fixed color comprising silver nanoparticles | Olivier Albenge, Romain Metillon, Feriel Ghellal, Arnaud Spangenberg | 2025-03-11 |
| 12240984 | Process for preparing an aqueous gel ink with fixed color comprising silver or gold nanoparticles | Olivier Albenge, Romain Metillon, Feriel Ghellal, Arnaud Spangenberg | 2025-03-04 |
| 12202988 | Process for preparing aqueous gel inks with fixed color, and aqueous gel inks thereof | Feriel Ghellal, Arnaud Spangenberg, Romain Metillon, Olivier Albenge | 2025-01-21 |
| 12202989 | Process of preparation of an aqueous gel ink with variable color comprising silver nanoparticles | Olivier Albenge, Romain Metillon, Feriel Ghellal, Arnaud Spangenberg | 2025-01-21 |
| 12116493 | Ink eradicating fluid and kit containing it | Guillaume CAFFIER, Feriel Ghellal, Arnaud Spangenberg, Quentin Bauerlin | 2024-10-15 |
| 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 |