Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627208 | Biocidal material with improved activity | Olivier Poncelet | 2003-09-30 |
| 6620397 | Material and method for treating photographic effluents | Olivier Poncelet | 2003-09-16 |
| 6555008 | Method to extract silver from a photographic developer | Olivier Poncelet, Jacques Roussilhe | 2003-04-29 |