Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679694 | Tetracyclic compounds, intermediates for their preparation and their use as antitumor agents | Karl Franzmann, Patrick Vivian Richard Shannon, Nagaraja Rao, Laddawan Chunchatprasert | 1997-10-21 |