Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652244 | Method for treating cancer with water-insoluble S-camptothecin of the closed lactone ring form and derivatives thereof | Beppino C. Giovanella, Hellmuth R. Hinz, John S. Stehlin | 1997-07-29 |