Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985387 | Catalyst supports/catalysts for the treatment of vehicular exhaust gases | Michel Prigent, Gilbert Blanchard, Philippe Courty | 1991-01-15 |
| 4931419 | Catalyst for the conversion of vehicular exhaust gases and process for preparing the catalyst | Gilbert Blanchard, Michel Prigent, Richard Dozieres | 1990-06-05 |
| 4891350 | Catalyst supports and process for their preparation | Thierry Chopin, Magali Knipper, Patrice Nortier, Jean-Luc Schuppiser | 1990-01-02 |