Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879209 | Photographic proteinaceous layers comprising dextran derivatives | Joan Vermeersch, Hubert Vandenabeele, Jacques L. Vervecken | 1989-11-07 |
| 4861818 | Method for the preparation of stable aqueous dispersions of polymer beads and the use of these dispersions in photographic elements | Jan J. Priem, Wilhelmus Janssens | 1989-08-29 |
| 4855211 | Polymeric phosphonium mordant and photographic element containing the same | Wilhelmus Janssens, Daniel A. Claeys | 1989-08-08 |
| 4828927 | Sheet or web carrying an antistatic layer | August M. Marien, Jan Van Havenbergh, Etienne Van Thillo | 1989-05-09 |
| 4820608 | Dye diffusion transfer imaging process and image receptor used therein | Daniel A. Claeys, Antonius A. Rutges, Eddy Michiels, Luc Vanmaele, Piet Kok | 1989-04-11 |
| 4820613 | Photographic surface layers comprising dextran derivatives | Joan Vermeersch, Hubert Vandenabeele, Jacques L. Vervecken | 1989-04-11 |