Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639460 | Nanometer self-locking bentonite film-forming agent, method for preparing the same, and film-forming drilling fluid | Wenxin Dong, Xiaolin Pu, Jinyang Fan, Wenhao Liu, Siyi Chen +8 more | 2023-05-02 |