Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759385 | Process and plant for purifying spent oil | Marcel Aussillous, Pierre-Henri Bigeard, Alain Billon | 1998-06-02 |
| 5409878 | Non selective oxidation catalyst and method of preparation | Luc Blanchard, Michel Primet, Edouard Garbowski | 1995-04-25 |