Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075365 | Closing and/or sealing of orifices, cavities or interstices in printing plates mounted on plate cylinders | — | 1991-12-24 |
| 4948702 | Photosensitive recording element | Peter Neumann, Guenter Hansen | 1990-08-14 |
| 4927740 | Closing and/or sealing orifices, cavities or spaces in printing plates mounted on plate cylinders | Gerhard Bleckmann, Dankmar Scholz | 1990-05-22 |
| 4894313 | Photosensitive recording element comprising migration resistant dyes | Peter Neumann | 1990-01-16 |
| 4876118 | Negative correction of gravure printing plates | — | 1989-10-24 |
| 4871650 | Coating plate cylinders or sleeves with a continuous, seamless photosensitive layer | Jan H. Van Heuvelen | 1989-10-03 |
| 4719297 | Acylphosphine compounds and their use as photoinitiators | Andreas Henne, Anton Hesse, Manfred Jacobi, Bernd Bronstert | 1988-01-12 |
| 4590146 | Stabilization of photopolymerizable mixtures | — | 1986-05-20 |
| 4272611 | Photopolymerizable composition for the production of printing plates and relief plates, and the elements produced therewith | Rudolf Vyvial, Horst Trapp | 1981-06-09 |
| 4198241 | Photopolymerizable composition for the manufacture of printing plates and relief plates | Bernd Bronstert, Werner Kuesters, Mong-Jon Jun | 1980-04-15 |