Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5048607 | In-situ emulsion polymerization of ethylene derivatives | Craig H. Phelps, E. Thomas Strom | 1991-09-17 | $20,135,000 |
| 4899818 | Method to improve use of polymers for injectivity profile control in enhanced oil recovery | Alfred R. Jennings, Jr., Paul Shu | 1990-02-13 | $14,523,000 |
| 4848464 | Method to improve use of polymers for injectivity profile control in enhanced oil recovery | Alfred R. Jennings, Jr. | 1989-07-18 | $6,065,000 |
| 4809781 | Method for selectively plugging highly permeable zones in a subterranean formation | — | 1989-03-07 | $9,593,000 |