Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659090 | Steps in a process for the production of at least one alkyl tertiobutyl ether from natural gas | Patrick Chaumette, Quang Dang Vu, Jacques Bousquet, Jacques Tournier-Lasserve, Guy Desgrandchamps | 1997-08-19 |
| 5648576 | Catalytic hydrogenation process and a catalyst for use in the process | Canh Nguyen Than, Blaise Didillon, Patrick Sarrazin | 1997-07-15 |
| 5601701 | Process for the elimination of mercury from hydrocarbons by passage over a presulphurated catalyst | Jean Cosyns, Patrick Sarrazin, Jean-Paul Boitiaux, Philippe Courty | 1997-02-11 |
| 5595576 | Enhancing fuel efficiency and abating emissions of engines | — | 1997-01-21 |