Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11731922 | Method for separating aromatic hydrocarbon using extractive distillation | Longsheng Tian, Ming Zhao, Wencheng Tang, Nan Yang, Zhifeng Bian +1 more | 2023-08-22 |
| 11465953 | Method for purification of a solvent for separation of styrene by extractive distillation and for separation of styrene | Wencheng Tang, Longsheng Tian, Ming Zhao, Nan Yang, Siyuan QIE +1 more | 2022-10-11 |