Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7125986 | Penicillanic acid derivative compounds and methods of making | John D. Buynak, Venkata Ramana Doppalapudi | 2006-10-24 |
| 6770759 | Penicillanic acid derivative compounds and methods of making | John D. Buynak, Venkata Ramana Doppalapudi | 2004-08-03 |
| 6436398 | 2 &bgr;-substituted-6-alkylidene penicillanic acid derivatives as &bgr;-lactamase inhibitors | John D. Buynak, Venkata Ramana Doppalapudi | 2002-08-20 |
| 6255479 | Process for the preparation of .alpha.-oxolactams | John D. Buynak | 2001-07-03 |
| 6156745 | 2.beta.-substituted-6-alkylidene penicillanic acid derivatives as .beta.-lactamase inhibitors | John D. Buynak, Venkata Ramana Doppalapudi | 2000-12-05 |
| 5760027 | Use of 7-alkylidene cephalosporins to inhibit elastase activity | John D. Buynak, Greg C. Adam | 1998-06-02 |