Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434705 | L-setastine hydrochloride and preparation method thereof | Qingyun Huang, Qingguo Huang | 2016-09-06 |
| 9145353 | Method of preparing (S)-2-amino-5-methoxytetralin hydrochloride | Qingyun Huang, Qingguo Huang | 2015-09-29 |