Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921106 | Process for compressing a gas associated with a unit for separating a gas mixture | Jean-Louis Girault, Philippe Fraysse | 1999-07-13 |
| 5454226 | Process and plant for liquefying a gas | Bernard Darredeau, Philippe Fraysse | 1995-10-03 |
| 5333462 | Process and apparatus for the purification of hydrogen by cryogenic treatment of a gas containing the same | Pierre Gauthier | 1994-08-02 |