Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9243180 | Filtration control agent and a drilling fluid containing the same | Xiaohua Yang, Lin Wang, Sheng Li, Long Chai, Xiaoqiang Dong | 2016-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9243180 | Filtration control agent and a drilling fluid containing the same | Xiaohua Yang, Lin Wang, Sheng Li, Long Chai, Xiaoqiang Dong | 2016-01-26 |