Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331246 | Polyacrylamide-based symmetric branched polymer surfactant and a process for preparing the same and use thereof | Yingcheng Li, Yanmin Xia, Hui SUN, Hui Xu, Yixing Zhu +1 more | 2025-06-17 |
| 9080096 | Oil displacement agent and process for preparing the same | Huanquan Sun, Zhenquan Li, Xulong Cao, Guangsu Huang, Xinwang Song +6 more | 2015-07-14 |