Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891458 | Starch-containing microsphere and preparation method and use thereof | Chao-Yie Yang, Chen Wang, Quanjie Liu | 2024-02-06 |
| 9719005 | Associated copolymer and preparation method thereof, and drilling fluid | Chao-Yie Yang, Zhizhi Zhang, Xiaolei Sun, Jiao Lu, Quanjie Liu | 2017-08-01 |