Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868313 | A process for making pyrrolidone derivatives | Mario Pinza, Carlo Farina, Ugo Pfeiffer | 1989-09-19 |
| 4824861 | Pyrrolidone derivatives and memory enhancement use thereof | Mario Pinza, Carlo Farina, Ugo Pfeiffer | 1989-04-25 |