Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6100210 | Method for regenerating a catalyst with a sulphurus active phase and contaminated by a mercury compound | James Ollivier, Pierre Le Cloirec, Jean-Paul Bournonville | 2000-08-08 |
| 5942458 | Regeneration of spent As-poisoned lead catalysts | Paul Berthier, Jean-Paul Bournonville, Christian Ladirat | 1999-08-24 |