Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538484 | Maleamic acid monomer and preparation method and use thereof | Xiaohua Yang, Yongxue Lin, Jian He, Lin Wang, Haibo Wang +2 more | 2020-01-21 |
| 9243180 | Filtration control agent and a drilling fluid containing the same | Xiaohua Yang, Lin Wang, Yongxue Lin, Sheng Li, Long Chai | 2016-01-26 |