Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373699 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Francois Venet, Naohiko Yamashita | 1994-12-20 |
| 5349824 | Process for the mixed production of high and low purity oxygen | Catherine Garnier | 1994-09-27 |
| 5329774 | Method and apparatus for separating C.sub.4 hydrocarbons from a gaseous mixture | Dennis C. Tanguay, Gerard Dupuis | 1994-07-19 |
| 5325674 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Francois Venet, Naohiko Yamashita | 1994-07-05 |
| 5315833 | Process for the mixed production of high and low purity oxygen | Catherine Garnier | 1994-05-31 |