Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923950 | Compositions based on derivatives of silica modified by organic groups, preparation and application thereof, particularly as cationic conductors | Michel Armand, Yves Charbouillot, Abdelkader Hammou | 1990-05-08 |