Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556221 | N-acetyl amino acid ESTER derivatives of betulin and preparation method thereof | Yang Wang, Sheng Zhang, Tao Yu, Xiufeng Yan | 2017-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556221 | N-acetyl amino acid ESTER derivatives of betulin and preparation method thereof | Yang Wang, Sheng Zhang, Tao Yu, Xiufeng Yan | 2017-01-31 |