Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109152 | Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures | Upali P. Weerasooriya, Gary A. Pope | 2015-08-18 |
| 8973668 | Compositions for oil recovery and methods of their use | Aaron W. Sanders, Keith P. Johnston, Stephanie Adkins, Xi Chen, Ed G. Rightor | 2015-03-10 |
| 8857527 | Compositions for oil recovery and methods of their use | Aaron W. Sanders, Ed G. Rightor, Keith P. Johnston, Stephanie Adkins, Xi Chen | 2014-10-14 |
| 8695718 | Dispersion compositions with nonionic surfactants for use in petroleum recovery | Aaron W. Sanders, Keith P. Johnston, Stephanie Adkins, Xi Chen, Ed G. Rightor | 2014-04-15 |
| 8459360 | Di-functional surfactants for enhanced oil recovery | Gary A. Pope, Upali P. Weerasooriya, Larry N. Britton | 2013-06-11 |
| 8211837 | Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (EOR) applications | Upali P. Weerasooriya, Gary A. Pope | 2012-07-03 |