Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073622 | Process for the preparation of novolak resins with low metal ion content | Bernhard Wojtech, Horst-Dieter Thamm | 1991-12-17 |
| 5009722 | Process for producing base material for an aluminum offset printing plate | Gerhard Sprintschnik, Kurt Reiss, Wolfgang von Asten, Gunther Scharf, Barbara Grzembra | 1991-04-23 |
| 4945004 | Base material for an aluminum offset printing plate | Gerhard Sprintschnik, Kurt Reiss, Wolfgang V. Asten, Gunther Scharf, Barbara Grzemba | 1990-07-31 |