Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618844 | High temperature resistant Portland cement slurry and production method thereof | Hua Zhang, Jianzhou Jin, Shuoqiong Liu, Fengzhong Qi, Yongjin Yu +7 more | 2023-04-04 |