Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361563 | Pyridazinone-substituted benzimidazoles and salts | Volkhard Austel, Wolfgang Eberlein, Willi Diederen, Walter Haarmann | 1982-11-30 |
| 4327100 | 2-(Alkoxy-phenyl)-imidazo(4,5-b)pyridines and salts thereof | Volkhard Austel, Manfred Reiffen, Willi Diederen | 1982-04-27 |
| 4299834 | 8-Phenyl-purines and pharmaceutical compositions containing same | Volkhard Austel, Eberhard Kutter, Willi Diederen | 1981-11-10 |