Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333651 | Determination of asphaltene inhibitor properties and treatment of crude oil with asphaltene inhibitors | Abhishek Punase, Rama Rao Alapati | 2022-05-17 |
| 11333650 | Determination of asphaltene inhibitor properties and treatment of crude oil with asphaltene inhibitors | Abhishek Punase, Rama Rao Alapati | 2022-05-17 |
| 9574429 | Hydrocarbon mobility and recovery through in-situ combustion with the addition of ammonia | — | 2017-02-21 |
| 8888362 | Thermal phase separation simulator | Lee E. Nuebling, Robert R. Cleary, Virgil T. Little, Jan Beetge | 2014-11-18 |
| 8003574 | Inhibiting naphthenate solids and emulsions in crude oil | Justin D. Debord, Piyush B. Srivastava, Christopher Gallagher, Samuel Asomaning | 2011-08-23 |
| 7938183 | Method for enhancing heavy hydrocarbon recovery | Brian J. Stefan, Piyush B. Srivastava, Justin D. Debord | 2011-05-10 |
| 7357857 | Process for extracting bitumen | Edward Maharajh | 2008-04-15 |
| 7205344 | Crosslinker for modified asphalt | Alan E. Goliaszewski, Fang Deng, Ping Lue | 2007-04-17 |
| 7045570 | Liquid asphalt modifier | Alan E. Goliaszewski | 2006-05-16 |
| 6695968 | Removal of water solubilized organics | — | 2004-02-24 |
| 6290876 | Styrene caustic wash extraction aid | — | 2001-09-18 |
| 6159374 | Softened brine treatment of crude oil | — | 2000-12-12 |
| 6106701 | Deasphalting process | — | 2000-08-22 |
| 6103100 | Methods for inhibiting corrosion | — | 2000-08-15 |
| 6100439 | Styrene caustic wash extraction aid | — | 2000-08-08 |
| 5921911 | Methods of inhibiting foam formation in alkanolamine systems | — | 1999-07-13 |
| 5921912 | Copolmer formulations for breaking oil-and-water emulsions | Fu Chen, Wen P. Liao, Walter Burgess | 1999-07-13 |
| 5851433 | Method of and composition for breaking oil and water emulsions in crude oil processing operations | Jen-Chi Chen, Fu Chen, Thai H. Duong | 1998-12-22 |
| 5800738 | Methods for inhibiting foam in crude oils | — | 1998-09-01 |
| 5772866 | Compositions and methods for breaking water-in-oil emulsions | — | 1998-06-30 |
| 5773590 | Methods of separating lignin solids and black liquor from tall oil fatty acids | — | 1998-06-30 |
| 5750052 | Foam control method | Michael Dion | 1998-05-12 |
| 5730905 | Method of resolving oil and water emulsions | J. Michael Brown, Edward J. Connors | 1998-03-24 |
| 5693257 | Compositions and method for breaking water-in-oil emulsions | — | 1997-12-02 |
| 5693216 | Method of and composition for breaking oil and water emulsions in crude oil processing operations | Jen-Chi Chen, Fu Chen, Thai H. Duong | 1997-12-02 |