Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731318 | Benzomorphan derivatives | Adrian Carter, Helmut Ensinger, Matthias Grauert, Franz J. Kuhn, Herbert Merz +2 more | 1998-03-24 |
| 5607941 | Useful for treating neurodegenerative diseases | Herbert Merz, Werner Stransky, Ilse Streller | 1997-03-04 |