Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060016 | Easily dispersible polymer powder for hydrocarbon extraction | Yongchun Tang, Allen Thomas Lyssy, Yaser Asgari, Carl Wilhelm Aften | 2021-07-13 |
| 10442985 | Easily dispersible polymer powder for hydrocarbon extraction | Yongchun Tang, Allen Thomas Lyssy, Yaser Asgari, Carl Wilhelm Aften | 2019-10-15 |
| 9725640 | Submicron particles surfactant method for improved oil recovery from subterranean reservoirs | Zayne Hai Lu | 2017-08-08 |
| 8146666 | Surfactant method for improved oil recovery from subterranean reservoirs | — | 2012-04-03 |
| 7581594 | Surfactant method for improved oil recovery from fractured reservoirs | — | 2009-09-01 |