Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700933 | Chiral intermediates for the preparation of carbacephems | Lowell D. Hatfield, Richard C. Hoying, James E. Ray | 1997-12-23 |
| 5644051 | Intermediates for the preparation of carbacephems | Lowell D. Hatfield, Richard C. Hoying, James E. Ray | 1997-07-01 |