Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228039 | Catalytic composition used in purifying gaseous effluents polluted by nitrogen oxides and process for preparing the composition | Michel Senes, Yannick Le Goff, Jacques Quibel | 1980-10-14 |