Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556221 | N-acetyl amino acid ESTER derivatives of betulin and preparation method thereof | Yang Wang, Sheng Zhang, Weiming Ding, Tao Yu | 2017-01-31 |
| 9034894 | Derivate, preparation method and use of 10-methoxycamptothecin | Yang Wang, Lijia Jing, Weimin Ding, Jian Zheng, Qiuying Pang +1 more | 2015-05-19 |
| 9012666 | Method for producing 30-halogenated betulinic acid | Mingjiang Wu, Lihua Wang, Ping Yu, Nan Li | 2015-04-21 |