Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536232 | Method for plant and separating air by cryogenic distillation | Benoit Davidian | 2003-03-25 |
| 6339938 | Apparatus and process for separating air by cryogenic distillation | Frederic Judas | 2002-01-22 |
| 6269659 | Method and installation for air distillation with production of argon | Frederic Staine, Bernard Saulnier | 2001-08-07 |
| 6247333 | Process for supplying impure oxygen to a synthesis-gas production unit | Norbert Rieth | 2001-06-19 |
| 6141990 | Process and plant for separating air by cryogenic distillation | Lasad Jaouani | 2000-11-07 |
| 5682767 | Argon production | Jean-Pierre Tranier | 1997-11-04 |