Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030483 | Carbon dioxide and hydrocarbon assisted enhanced oil recovery | Dan Hancu, Michael Joseph O'Brien, Robert James Perry, Stanlee Teresa Buddle | 2018-07-24 |
| 9957438 | Compositions for, solutions for, and methods of use of siloxane based aromatic trisureas as viscosifiers | Michael Joseph O'Brien, Jason Jiwoo Lee, Robert James Perry, Robert M. Enick | 2018-05-01 |