Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342825 | Photographic elements containing cyan-forming color couplers | Raphael K. Van Poucke, Marcel J. Monbaliu | 1982-08-03 |
| 4341864 | Photographic elements containing cyan-forming couplers | Marcel J. Monbaliu, Raphael K. Van Poucke | 1982-07-27 |