Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005655 | Partially halogenated ethane solvent removal of oleophylic materials from mineral particles | David A. Flanigan, Robert B. Ramsey, Jr., Robert E. Williams, John Huycke | 1991-04-09 |
| 4435295 | Sulfonate for waterflooding | Roy C. Sias | 1984-03-06 |
| 4212748 | Polymer flood filtration improvement | Howard H. Ferrell, Dell Conley, Burton M. Casad | 1980-07-15 |