Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103444 | Method for preparing an imaging element for making an improved printing plate according to the silver salt diffusion transfer process | — | 2000-08-15 |
| 6096474 | Method for preparing an imaging element for making an improved printing plate according to the silver salt diffusion transfer process | — | 2000-08-01 |
| 6071668 | Method for preparing an imaging element for making an improved printing plate according to the silver salt diffusion transfer process | — | 2000-06-06 |
| 6054247 | Method for preparing an imaging element for making an improved printing plate according to the silver salt diffusion transfer process | — | 2000-04-25 |
| 6040109 | Method for preparing an image element for making an improved printing plate according to the silver salt diffusion transfer process | Paul Coppens | 2000-03-21 |
| 6027851 | Method for preparing an aluminum foil for use as a support in lithographic printing plates | Paul Coppens | 2000-02-22 |
| 5731124 | Method for preparing an aluminum foil for use as a support in lithographic printing plates | Paul Coppens | 1998-03-24 |
| 5436110 | Imaging element and method for making aluminum lithographic printing plates according to the silver salt diffusion transfer process | Paul Coppens, Guido Hauquier, Willem Cortens, Augustin Meisters | 1995-07-25 |
| 5405730 | Imaging element and method for making aluminum lithographic printing plates according to the silver salt diffusion transfer process | Paul Coppens | 1995-04-11 |