Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665516 | Imaging element for making lithographic printing plates according to the silver salt diffusion transfer process | Hendrik E. Kokelenberg, Ronny De Clercq, Jan Gilleir, Paul Coppens | 1997-09-09 |
| 5643710 | Imaging element and method for making lithographic printing plates according to the silver salt diffusion transfer process | Paul Coppens, Eric Hoes, Ronny De Clercq | 1997-07-01 |
| 5631125 | Photographic useful group releasing system | Jean-Marie Dewanckele, Pierre De Clercq, Dirk Van Haver, Noel Gabriel Cornelius Hosten | 1997-05-20 |
| 5622809 | Kit for making a processing liqiud for processing a lithographic printing plate | Lode Erik Dries Deprez, Jos Vaes | 1997-04-22 |
| 5612166 | Imaging element and method for making lithographic printing plates according to the silver salt diffusion transfer process | Paul Coppens, Rene De Keyzer | 1997-03-18 |