Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820821 | Novel pyridazinone-imines and their physiologically tolerated addition salts with acids, their preparation and therapeutic agents containing these compounds | Rudolf Kropp, Marco Thyes, Rainer Schlecker, Albrecht Franke, Dora I. Reicheneder +5 more | 1989-04-11 |