Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837225 | 2,5-dimethylpyrrole derivatives, their preparation and their use | Rudi Beyerle, Ursula Schindler, Rolf-Eberhard Nitz, Piero Martorana | 1989-06-06 |
| 4816454 | 4,5-dihydro-3(2H)-pyridazinones and their pharmacological use | Rudi Beyerle, Melitta Just, Helmut Bohn, Piero Martorana, Rolf-Eberhard Nitz | 1989-03-28 |