Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995262 | Ethoxylated amines for use in subterranean formations | Yang Peng, Zhiwei Yue, Kai He, Liang Xu | 2021-05-04 |
| 10640698 | Ethoxylated amines for use in subterranean formations | Yang Peng, Zhiwei Yue, Kai He, Liang Xu | 2020-05-05 |
| 10241100 | Method for determining residual surfactant concentrations in produced water | Liang Xu, Qiang Fu | 2019-03-26 |
| 9982185 | Methods and systems for preparing surfactant polyelectrolyte complexes for use in subterranean formations | Liang Xu, Kai He | 2018-05-29 |
| 9970265 | Multi-functional surfactant complexes for use in subterranean formations | Liang Xu, Kai He | 2018-05-15 |
| 9725986 | Multi-functional surfactant complexes for use in subterranean formations | Liang Xu, Kai He | 2017-08-08 |