Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632897 | Photopolymerizable recording material suitable for the production of photoresist layers | Helmut Barzynski, Albrecht Eckell, Albert Elzer, Reinhold J. Leyrer, Axel Sanner | 1986-12-30 |
| 4465760 | Production of relief images or resist images by a negative-working method | Reinhold J. Leyrer, Dietrich Saenger | 1984-08-14 |