Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373699 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Francois Venet, Bao Ha | 1994-12-20 |
| 5325674 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Francois Venet, Bao Ha | 1994-07-05 |