Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686607 | Pyridyl ethylation of lactam derivatives | Dalian Zhao, David J. Mathre | 1997-11-11 |
| 5665882 | Pyridyl ethylation of lactams | Dalian Zhao, James M. McNamara, David L. Hughes | 1997-09-09 |