Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663965 | Thermo-reversible material and method for preparing it | — | 2003-12-16 |
| 6627208 | Biocidal material with improved activity | Danielle M. Wettling | 2003-09-30 |
| 6620397 | Material and method for treating photographic effluents | Danielle M. Wettling | 2003-09-16 |
| 6605423 | Method for preparing a silver halide photographic emulsion | Jean Guilment | 2003-08-12 |
| 6555008 | Method to extract silver from a photographic developer | Jacques Roussilhe, Danielle M. Wettling | 2003-04-29 |