Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888033 | Method of manufacturing permeable mineral membranes | Jean Charpin, Andre Grangeon, Francis Pejot, Bernard Rasneur, Serge Richard +1 more | 1989-12-19 |
| 4427424 | Isotope separation apparatus and process | Jean Charpin, Bernard LaRat, Raymond C. Marcel, Jr. | 1984-01-24 |
| 4396572 | Support for porous barriers made of baked ceramic material | Jean Batigne, Jean Charpin, Rodolphe Davydoff, Francois Erhart | 1983-08-02 |
| 4239507 | Method of separation of a gas from a gas mixture | Robert Benoit, Jacques Machefer, Jacques Mauvisseau | 1980-12-16 |