Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440196 | Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation | Jean-Pierre Fontaine, Michel Hamonet, Michel Thouard | 2002-08-27 |
| 5520046 | Process for the chemical logging of a liquid and chemical logging installation for performing said process | Jean-Francois Sornein, Jacques Delay | 1996-05-28 |