Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877792 | Heteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agents | Helmut Biere, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, David N. Stephens +2 more | 1989-10-31 |
| 4874768 | 1,2-disubstituted ergolines useful for producing central antidopanminergic or .alpha.2-receptor-blocking activity | Gerhard Sauer, Helmut Wachtel | 1989-10-17 |
| 4855295 | Tetrahydro-beta-carbolines, and their use as drugs | Helmut Biere, Mogens Engelstoft, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann +1 more | 1989-08-08 |
| 4847262 | 2-substituted ergolines having neuroleptic and antidepressant activities | Gerhard Sauer, Helmut Wachtel, Herbert Schneider | 1989-07-11 |
| 4826851 | 2-substituted ergoline urea and thio-urea derivatives having neurolyptic/dopaminergic activity | Gerhard Sauer, Helmut Wachtel | 1989-05-02 |