Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856412 | Ultra-low-tension compositions and their use in enhanced oil recovery | José Luis López Salinas, Clarence A. Miller, George J. Hirasaki | 2018-01-02 |
| 5135052 | Recovery of oil using microemulsions | — | 1992-08-04 |
| 4452708 | Oil recovery method using sulfonate surfactants derived from extracted aromatic feedstocks | Haven S. Aldrich, Thomas L. Ashcraft, Ronald L. Reed | 1984-06-05 |
| 4293428 | Propoxylated ethoxylated surfactants and method of recovering oil therewith | Walter W. Gale, Thomas L. Ashcraft, Rhoderick K. Saunders, Ronald L. Reed | 1981-10-06 |