Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885298 | Pharmaceutical preparations containing flavanone or thioflavanone derivatives the use thereof, novel flavanones and thioflavanones, and processes for their manufacture | — | 1989-12-05 |
| 4797414 | Naphthothiophene derivatives and their use as respiratory enhancing agents | — | 1989-01-10 |