Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774257 | Random copolymer and preparation method thereof, and drilling fluid | Xiaohua Yang, Lin Wang, Jian He, Junbin JIN, Fan Yang +1 more | 2020-09-15 |
| 10538484 | Maleamic acid monomer and preparation method and use thereof | Xiaohua Yang, Jian He, Lin Wang, Haibo Wang, Fan Yang +2 more | 2020-01-21 |