Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292152 | Photopolymerizable recording composition containing acylphosphine oxide photoinitiator | Peter Lechtken, Bernd Bronstert, Gerhard Hoffmann, Rudolf Vyvial | 1981-09-29 |