Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458011 | Ballasted compounds and photographic elements containing such compounds | Christian C. Van de Sande, Marcel J. Monbaliu, Raphael K. Van Poucke | 1984-07-03 |
| 4430421 | Method of dispersing photographic adjuvants in hydrophilic colloid compositions | Christian C. Van de Sande, Raphael K. Van Poucke, Andre K. Claes | 1984-02-07 |
| 4430422 | Method of dispersing photographic adjuvants in a hydrophilic colloid composition | Christian C. Van de Sande, Luc MARTENS, Raphael K. Van Poucke | 1984-02-07 |
| 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 |