Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670123 | Process for the extraction of hydrogen sulphide from a gas mixture | Christian Busson, Claude Dezael, Jean-Charles Viltard, Christophe Berat | 1997-09-23 |
| 5076816 | Gas separation membrane | Rene Avrillon, Andre Descamps, Alain Driancort, Eric Robert | 1991-12-31 |
| 5071452 | Gas separation membrane | Rene Avrillon, Andre Deschamps, Alain Driancourt, Eric Robert | 1991-12-10 |