Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774257 | Random copolymer and preparation method thereof, and drilling fluid | Yongxue Lin, Xiaohua Yang, Lin Wang, Jian He, Fan Yang +1 more | 2020-09-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774257 | Random copolymer and preparation method thereof, and drilling fluid | Yongxue Lin, Xiaohua Yang, Lin Wang, Jian He, Fan Yang +1 more | 2020-09-15 |