Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874749 | "4""-Deoxy-4-N-methylamino avermectin Bla/Blb" | — | 1989-10-17 |
| 4873224 | Avermectin derivatives | Bruce O. Linn | 1989-10-10 |
| 4866060 | Use of the natural product marcfortines as antiparasitic agents | — | 1989-09-12 |
| 4831016 | Reduced avermectin derivatives | Thomas L. Shih | 1989-05-16 |
| 4806527 | Avermectin derivatives | Burton G. Christensen, Michael H. Fisher | 1989-02-21 |