Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136490 | PH sensitive water-absorbent resin suitable for oil well cement slurry and application thereof | Chunyu Wang, Huajie Liu, Leiju Tian, Xinyang Guo | 2021-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136490 | PH sensitive water-absorbent resin suitable for oil well cement slurry and application thereof | Chunyu Wang, Huajie Liu, Leiju Tian, Xinyang Guo | 2021-10-05 |