Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10369559 | Composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst | Weiqi Hua, Ruihua Cheng, Yuan Li, Baiping Liu, Bingbo Hu | 2019-08-06 |
| 10212151 | Method for operating a designated service, service unlocking method, and terminal | Mingxue Qin, Xiao He, Yuye WANG | 2019-02-19 |