Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190934 | P-subsituted propane-phosphinic acid compounds | Stuart J. Mickel | 1993-03-02 |
| 4939160 | Hydropyridine derivatives | Wolfgang Frostl, Armin Zust | 1990-07-03 |
| 4863938 | Pyridine derivatives and their use as nootropic agents | Peter Waldmeier | 1989-09-05 |
| 4833169 | Hydropyridine derivatives | Wolfgang Frostl, Armin Zust | 1989-05-23 |