Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873243 | Derivatives of 3-imino-pyridazine, process for obtaining them and pharmaceutical compositions containing them | Gilbert Schlewer, Michel Heaulme | 1989-10-10 |
| 4810705 | Triazolo [3,4-b]pyridazines, process for their preparation and pharmaceutical compositions containing them | Jean-Jacques Bourguignon, Jean-Pierre Chambon | 1989-03-07 |