Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670437 | Method of preparation of a hydrogenation catalyst soluble in an organic liquid phase | Gerard Hillion, Patrick Sarrazin | 1997-09-23 |
| 5643543 | Catalyst for treatment of exhaust gases from an internal combustion engine | Isabelle Guibard, Gil Mabilon, Nicolas Des Courtils | 1997-07-01 |