Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332915 | PSA plant using valves having long and heterogeneous operating times | Dominique Rouge, Stephane Chantagrel, Lian-Ming Sun, Celine Graciannette | 2001-12-25 |
| 5430181 | Process for improving a controlled oxidation reaction | Philippe Arpentinier, Jacques Koenig | 1995-07-04 |