Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156767 | Emulsion breaking using alkylphenol-polyethylene oxide-acrylate polymer coated coalescer material | Patrick H. Fitzgerald, Charles R. Clark, D. Philip Cords | 1992-10-20 |
| 5002126 | Reservoir scale inhibition | B. L. Carlberg | 1991-03-26 |
| 4860829 | Inhibition of reservoir scale | Bob L. Carlberg, Kenneth W. Pober, William D. Nash | 1989-08-29 |
| 4853119 | Microwave emulsion treater with internal coalescer | Roger L. Hudgins, David S. Seidner | 1989-08-01 |
| 4810375 | Microwave emulsion treater with oily water recycle for water load | Roger L. Hudgins | 1989-03-07 |
| 4765910 | Use of ammonium chloride solutions to remove sulfonate surfactants from crude oil | — | 1988-08-23 |
| 4582629 | Use of microwave radiation in separating emulsions and dispersions of hydrocarbons and water | — | 1986-04-15 |
| 4548707 | Use of high ethoxylate low carbon atom amines for simultaneous removal of sulfonate surfactants and water from recovered crude oil | Kang Yang | 1985-10-22 |