Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536817 | Type of modified gelatin and its use in a DTR material | Eddy Michiels, Johan Loccufier, Frank Michiels, Ludo Van Rompuy | 1996-07-16 |
| 5474885 | Type of modified gelatin and its use in a DTR material | Eddy Michiels, Johan Loccufier, Frank Michiels, Ludo Van Rompuy | 1995-12-12 |
| 5439791 | Modified gelatin types and hydrophilic elements containing them | Jean-Marie Dewanckele, Johan Loccufier, Eddy Michiels, Frank Michiels | 1995-08-08 |
| 5254443 | Photographic direct positive material containing a masked benzotriazole stabilizer | Jean-Marie Dewanckele | 1993-10-19 |
| 5236815 | Class of masked stabilizers in photographic materials or developing solutions | Jean-Marie Dewanckele, Richard A. Ooms, Marc Graindourze | 1993-08-17 |
| 5206123 | High contrast developer containing an aprotic solvent | Richard A. Ooms | 1993-04-27 |
| 5156940 | Photographic stabilizers with 1-phenyl-3-pyrazolidinone moieties | Jos Vaes, Jean-Marie Dewanckele, Luc Wabbes | 1992-10-20 |
| 5155014 | Method of developing direct positive silver halide material | Jozef P. De Prijcker, Fernand Ketels, Jean-Marie Dewanckele | 1992-10-13 |
| 5141843 | Developer liquid for high contrast development | Richard A. Ooms, Jean-Marie Dewanckele | 1992-08-25 |
| 5073480 | Quick acting hardener for photographic gelatin layers | Erik Van Der Eycken | 1991-12-17 |
| 5043245 | Process for the production of a laminated article | Leon L. Vermeulen, Robert S. Pauwels, Jean-Marie Dewanckele | 1991-08-27 |
| 5013628 | Particulate toner material with charge control agent | Luc Vanmaele, Serge Tavernier, Hedwig E. De Deyne | 1991-05-07 |
| 4988600 | Particulate electrophotographic toner material | Luc Vanmaele, Serge Tavernier | 1991-01-29 |
| 4908286 | Image-receiving material for use in diffusion transfer reversal | Ludovicus H. Vervloet, Willy P. De Smedt, Leon L. Vermeulen | 1990-03-13 |
| 4902593 | Dye image receiving material | Leon L. Vermeulen, Ludovicus H. Vervloet, Willy P. De Smedt | 1990-02-20 |
| 4820608 | Dye diffusion transfer imaging process and image receptor used therein | Daniel A. Claeys, Daniel M. Timmerman, Antonius A. Rutges, Eddy Michiels, Luc Vanmaele | 1989-04-11 |
| 4762759 | Image-receiving material with siloxane, colloidal silica and gelatin for silver complex diffusion transfer | Leon L. Vermeulen, Ludovicus H. Vervloet, Willy P. De Smedt | 1988-08-09 |
| 4748108 | Yellow dye-releasing azo compounds for use in the production of diffusion transfer color images | Christian C. Van de Sande | 1988-05-31 |
| 4727017 | Substituted triazolopyrimidines and their use in light-sensitive photographic elements | Robert J. Pollet, Antoon L. Vandenberghe, Hendrik E. Kokelenberg | 1988-02-23 |