Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873328 | Process for preparing alkoxyalkylidenehydrazinopyridazine derivatives | Mario Pinza, Alberto Cerri, Francesco Parravicini | 1989-10-10 |
| 4868313 | A process for making pyrrolidone derivatives | Mario Pinza, Silvano Banfi, Ugo Pfeiffer | 1989-09-19 |
| 4824861 | Pyrrolidone derivatives and memory enhancement use thereof | Mario Pinza, Silvano Banfi, Ugo Pfeiffer | 1989-04-25 |