Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840898 | Method of removing heavy metal contaminants from organic compounds | Francis G. Fang, Shiping Xie | 1998-11-24 |
| 5491237 | Intermediates in pharmaceutical camptothecin preparation | Francis G. Fang, Shiping Xie | 1996-02-13 |