Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340691 | Method for making a lithographic printing plate according to the silver salt diffusion transfer process | Jos Vaes, Marcel J. Monbaliu | 1994-08-23 |
| 5324622 | Silver halide photographic material | Ludo Van Rompuy, Jos Vaes, Marcel J. Monbaliu | 1994-06-28 |
| 5312711 | Dry electrostatographic developer composition | Serge Tavernier, Paul F. Sterckx | 1994-05-17 |
| 5283156 | Method for making a lithographic printing plate according to the silver salt diffusion transfer process | Marcel J. Monbaliu, Rene De Keyzer, Jos Vaes, Ludo Van Rompuy | 1994-02-01 |
| 5254443 | Photographic direct positive material containing a masked benzotriazole stabilizer | Piet Kok | 1993-10-19 |
| 5236815 | Class of masked stabilizers in photographic materials or developing solutions | Richard A. Ooms, Marc Graindourze, Piet Kok | 1993-08-17 |
| 5200294 | Method for making a lithographic printing plate according to the silver salt diffusion transfer process | Rene De Keyzer, Ludo Van Rompuy, Jos Vaes | 1993-04-06 |
| 5200295 | Method for the production of a silver image | Leon L. Vermeulen, Robert S. Pauwels | 1993-04-06 |
| 5198333 | Photographic materials containing electron accepting agents | Paul Callant, Marc H. Van Bockstaele, Marc Graindourze | 1993-03-30 |
| 5188919 | Particulate toner material containing charge controlling compound | Serge Tavernier, Jean-Pierre Ghekiere | 1993-02-23 |
| 5187054 | Anti-sludging compounds in photographic material | Emiel A. Hofman | 1993-02-16 |
| 5156940 | Photographic stabilizers with 1-phenyl-3-pyrazolidinone moieties | Piet Kok, Jos Vaes, Luc Wabbes | 1992-10-20 |
| 5155014 | Method of developing direct positive silver halide material | Jozef P. De Prijcker, Fernand Ketels, Piet Kok | 1992-10-13 |
| 5141843 | Developer liquid for high contrast development | Richard A. Ooms, Piet Kok | 1992-08-25 |
| 5122434 | Photographic roomlight materials containing halogen acceptors | Marc H. Van Bockstaele, Marc Graindourze | 1992-06-16 |
| 5116722 | Spectrally sensitized silver halide emulsions | Paul Callant | 1992-05-26 |
| 5043245 | Process for the production of a laminated article | Leon L. Vermeulen, Robert S. Pauwels, Piet Kok | 1991-08-27 |