Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688959 | Photographic color elements | Henri François Olbrechts, Christian Charles Van den Sande | 1997-11-18 |
| 5030544 | Photographic elements comprising thiazolyl couplers capable of forming infrared-absorbing dyes for integral sound track | Henri François Olbrechts, Christian Charles Van den Sande | 1991-07-09 |
| 4458011 | Ballasted compounds and photographic elements containing such compounds | Christian C. Van de Sande, Jan J. Vandewalle, Marcel J. Monbaliu | 1984-07-03 |
| 4450223 | Diffusion transfer material and process | Christian C. Van de Sande, Andree Verhecken | 1984-05-22 |
| 4430422 | Method of dispersing photographic adjuvants in a hydrophilic colloid composition | Christian C. Van de Sande, Jan J. Vandewalle, Luc MARTENS | 1984-02-07 |
| 4430421 | Method of dispersing photographic adjuvants in hydrophilic colloid compositions | Christian C. Van de Sande, Jan J. Vandewalle, Andre K. Claes | 1984-02-07 |
| 4342825 | Photographic elements containing cyan-forming color couplers | Marcel J. Monbaliu, Jan J. Vandewalle | 1982-08-03 |
| 4341864 | Photographic elements containing cyan-forming couplers | Jan J. Vandewalle, Marcel J. Monbaliu | 1982-07-27 |
| 4340664 | Copolymer latex and photographic silver halide materials containing such latex | Marcel J. Monbaliu, Walter F. De Winter | 1982-07-20 |
| 4230870 | Novel photographic color couplers | Hector Alfons Vanden Eynde | 1980-10-28 |
| 4201584 | Silver halide elements containing yellow forming color couplers for silver halide photography | Marcel J. Monbaliu | 1980-05-06 |