Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681563 | 7-vinylidene cephalosporins and methods of using the same | John D. Buynak | 1997-10-28 |
| 5629306 | 7-alkylidene cephalosporanic acid derivatives and methods of using the same | John D. Buynak | 1997-05-13 |
| 5597817 | 7-vinylidene cephalosporins and methods of using the same | John D. Buynak | 1997-01-28 |