Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399071 | Polymer containing carboxyl group, preparation method and application thereof, supported catalyst and preparation methods thereof and preparation methods of penem antibiotic intermediate | Jiuyuan Li, Changming Dong, Xin Zhang, Gage James | 2019-09-03 |
| 10246524 | Method for preparing sulfobutyl ether-β-cyclodextrin | Changfeng Li, Litao Shen | 2019-04-02 |