Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826838 | Analgesic carbocyclic and heterocyclic carbonylmethylene-and carbonylmethypipidines and-pyrrolidines | Rudolf K. A. Giger, Gunter Engel, Roland Furler | 1989-05-02 |
| 4803199 | Pharmaceutically useful heterocyclic and carbocyclic acid esters and amides of alkylene bridged piperidines | Peter Donatsch, Gunter Engel, Bruno Hugi, Paul Stadler, by Hildegard R. Stadler, heir +3 more | 1989-02-07 |
| 4797406 | Amides and esters containing bridged piperidines and use as serotonin M antagonists | Gunter Engel, Rudolf K. A. Giger, Andrea Vasella | 1989-01-10 |