Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861480 | Organomineral semipermeable membrane and its production process | Michel Berardo, Charles Darnez, Jean-Marie Martinet | 1989-08-29 |
| 4756821 | Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst | Pierre Giuliani, Sigismond Franckowiak, Pierre Bergez | 1988-07-12 |