Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877792 | Heteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agents | Helmut Biere, Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann +2 more | 1989-10-31 |