Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886120 | Process for secondary oil recovery utilizing propoxylated ethoxylated surfactants in seawater | — | 1989-12-12 |
| 4269271 | Emulsion oil recovery process usable in high temperature, high salinity formations | Jim Maddox, Jr. | 1981-05-26 |