Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767281 | Inkjet recording element | Stephanie V. Desrousseaux, Gerard A. Friour, Jean Guilment, Olivier Poncelet | 2010-08-03 |
| 5451324 | Method of treating liquid effluents containing organic compounds | Guy Gehin | 1995-09-19 |
| 5439599 | Process for treating photographic effluents by means of ultraviolet radiation and hydrogen peroxide | Guy Gehin | 1995-08-08 |