Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579661 | Photopolymerizable composition for the production of flexographic printing forms for corrugated board printing | Ursula Annerose Kraska | 2003-06-17 |
| 5552261 | Recycling the recording layer of flexographic printing plates | Ursula Annerose Kraska, Udo Weikart | 1996-09-03 |