Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068043 | Preformed surfactant-optimized aqueous alkaline flood | David R. Thigpen, Jimmie B. Lawson | 1991-11-26 |
| 4925578 | Polymer-thickened aqueous solutions containing a mercaptobenzothiazole | Jeffrey G. Southwick | 1990-05-15 |
| 4795575 | Stabilizing polymer-thickened aqueous alkaline solutions with a mercaptobenzothiazole | Jeffrey G. Southwick | 1989-01-03 |
| H475 | Preparing an aqueous alkaline solution for recovery of oil from a | Jimmie B. Lawson, David R. Thigpen, Jeffery G. Southwick | 1988-06-07 |
| 4458755 | Process for preparing alkaline flooding solutions that avoid silica dissolution | Jeffrey G. Southwick | 1984-07-10 |