Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693448 | Method for making an offset printing plate according to the silver salt diffusion transfer process | Paul Coppens, Ludovicus H. Vervloet, Ludo Van Rompuy | 1997-12-02 |
| 5672461 | Storage stability of an imaging element for making a printing plate according to the silver salt diffusion transfer process | Paul Coppens, Jules Robert Berendsen, Rik VANDENBRUWAENE | 1997-09-30 |
| 5643710 | Imaging element and method for making lithographic printing plates according to the silver salt diffusion transfer process | Paul Coppens, Johan Loccufier, Ronny De Clercq | 1997-07-01 |
| 5620830 | Element with gelatin anti-stress layer for making printing plate according to the silver salt diffusion transfer process | Paul Coppens, Ren e De Keyzer, Bart Van der Linden | 1997-04-15 |