Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447589 | Temperature-resistant and anti-collapse multi-branched polymer fluid loss reducer and preparation method thereof | Aibin Wu, Weichu Yu, Wenming Shu, Ying Zhang | 2022-09-20 |