Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9963760 | Backflow cascade novel process for producing lithium-7 isotope | Jinbo Hu, Wei Zhang, Weiqin Zheng, Guanghua Chen, Xiao Shi +2 more | 2018-05-08 |
| 5639433 | Extraction of rare earth elements using alkyl phosphinic acid or salt/alkyl or aryl phosphonic acid or ester blends as extractant | Hengli Ma | 1997-06-17 |
| 5622679 | Extraction of rare earth elements using alkyl phosphinic acid or salt/tetraalkylammonium salt as extractant | Hengli Ma | 1997-04-22 |