Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10377698 | Diphenethylamine derivatives which are inter alia useful as analgesics and method for their production | Helmut Schmidhammer, Elena Guerrieri | 2019-08-13 |
| 7655671 | Morphinan derivatives, the quaternary ammonium salts thereof substituted in position 14, method for production and use thereof | Helmut Schmidhammer, Johannes Schütz, Elisabeth Greiner, Falko Schullner, Bettina Sailer +1 more | 2010-02-02 |