Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447067 | Method of preparing intermediate of salmeterol | Yinhua Qiu, Song Chen, Haoning Zhang | 2016-09-20 |
| 9303060 | Methods of preparing intermediate of fluticasone propionate | Yinhua Qiu, Yong Liu, Song Chen, Haoning Zhang | 2016-04-05 |