Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677457 | Method of preparation of physostigmine carbamate derivatives from eseroline ethers | Thomas B. K. Lee, Barbara S. Rauckman | 1997-10-14 |
| 5665880 | Method of preparation of physostigmine carbamate derivatives from eseretholes | Thomas B. K. Lee | 1997-09-09 |