Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686646 | Chiral hydrazine derivatives | David R. Andrews | 1997-11-11 |
| 5625064 | Process for the preparation of triazolones | David R. Andrews, Dinesh Gala, Jacques Gosteli, Frank Bruno Guenter, William W. Leong +1 more | 1997-04-29 |
| 5616777 | Chiral hydrazine derivatives | David R. Andrews | 1997-04-01 |