Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861480 | Organomineral semipermeable membrane and its production process | Michel Berardo, Charles Darnez, Gilbert Roche | 1989-08-29 |
| 4738874 | Process for the production of porous, permeable mineral membranes | Michel Berardo, Jean Charpin | 1988-04-19 |
| 4411790 | Process for the treatment of a hydrocarbon charge by high temperature ultrafiltration | Jean Arod, Bernard M. Bartoli, Pierre Bergez, Jean-Michel Biedermann, Philippe Caminade +2 more | 1983-10-25 |