Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585726 | Photopolymerizable water-soluble or water-dispersible mixture containing a salt of nitrous acid | Gunter Wallbillich | 1986-04-29 |
| 4517277 | Photosensitive recording material suitable for the production of printing plates and relief plates, and the production of these plates using this recording material | John Lynch, Herbert Naarmann, Gunther Schulz, Gunter Wallbillich, Manfred Zurger | 1985-05-14 |
| 4493807 | Process for producing sheet-like structures from vinyl alcohol polymers | Christof Taubitz, Lothar Schlemmer, Gerhard Bleckmann, Manfred Zuerger, Heinrich Krieger +1 more | 1985-01-15 |
| 4469775 | Multi-layer elements with polyvinyl alcohol overcoat suitable for the production of relief printing plates | John Lynch, Manfred Zuerger, Klaus Borho | 1984-09-04 |
| 4447520 | Acylphosphine oxides and their use | Andreas Henne, Anton Hesse, Manfred Jacobi, Gunnar Schornick, Klaus Holoch | 1984-05-08 |
| 4385109 | Method of making a relief plate using a photopolymerizable recording composition | Peter Lechtken, Bernd Bronstert, Gerhard Hoffmann, John Lynch | 1983-05-24 |
| 4326434 | Process for underlaying a flat-bed steel rule die | Heinz Mohr, Walter Hoffmann | 1982-04-27 |
| 4292152 | Photopolymerizable recording composition containing acylphosphine oxide photoinitiator | Peter Lechtken, Bernd Bronstert, Gerhard Hoffmann, John Lynch | 1981-09-29 |
| 4272611 | Photopolymerizable composition for the production of printing plates and relief plates, and the elements produced therewith | Guenter Wallbillich, Horst Trapp | 1981-06-09 |