Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10710996 | Pyrido-azaheterecydic compound and preparation method and use thereof | Yaqiu Long, Meiyu Geng, Jing Ai | 2020-07-14 |
| 9932517 | Polymer and preparation method thereof, and viscosified acid fluid | Caili Dai, Mingwei Zhao, He Liu, Yining Wu, Yongpeng Sun +1 more | 2018-04-03 |