Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598758 | Determination of asphaltene solubility distribution | Bridget E. Lang, Birbal Chawla | 2023-03-07 |
| 10329427 | Selection and blending of feeds for asphalt manufacture | — | 2019-06-25 |
| 10005907 | Selection and blending of feeds for asphalt manufacture | — | 2018-06-26 |
| 9725657 | Process for enhancing feed flexibility in feedstock for a steam cracker | — | 2017-08-08 |
| 9175240 | Ethylene-based copolymers, lubricating oil compositions containing the same, and methods for making them | Rainer Kolb, Sudhin Datta, Liehpao O. Farng, Vera Minak-Bernero, Thomas T. Sun +1 more | 2015-11-03 |
| 9006161 | Polymeric compositions useful as rheology modifiers and methods for making such compositions | Sudhin Datta, Joann M. Canich, Liehpao O. Farng, Rainer Kolb, Vera Minak-Bernero +3 more | 2015-04-14 |
| 8999907 | Ethylene based copolymer compositions as viscosity modifiers and methods for making them | Sudhin Datta, Rainer Kolb, Liehpao O. Farng, Vera Minak-Bernero, Mun Fu Tse +1 more | 2015-04-07 |
| 8852427 | Method and systems to remove polar molecules from refinery streams | Mohsen S. Yeganeh, Peter W. Jacobs, Ian A. Cody, Steven W. Levine, Ramesh Gupta +1 more | 2014-10-07 |
| 8752623 | Solvent separation in a solvent-dominated recovery process | Owen J. Hehmeyer | 2014-06-17 |
| 8613852 | Process for producing a high stability desulfurized heavy oils stream | Daniel P. Leta, Walter D. Vann, David T. Ferrughelli, Howard Freund | 2013-12-24 |
| 8431012 | Lubricating base oil | Roland B. Saeger | 2013-04-30 |
| 8394256 | Method for haze mitigation and filterability improvement for base stocks | James W. Gleeson, Charles L. Baker, Jr., Dennis A. Gaal, David Mentzer, John E. Gallagher +6 more | 2013-03-12 |
| 8389452 | Polymeric compositions useful as rheology modifiers and methods for making such compositions | Sudhin Datta, Jo Ann M. Canich, Liehpao O. Farng, Rainer Kolb, Vera Minak-Bernero +3 more | 2013-03-05 |
| 8354020 | Fouling reduction in a paraffinic froth treatment process by solubility control | Arun Sharma, Michael F. Raterman | 2013-01-15 |
| 8309501 | Ethylene-based copolymers, lubricating oil compositions containing the same, and methods for making them | Rainer Kolb, Sudhin Datta, Liehpao O. Farng, Vera Minak-Bernero, Thomas T. Sun +1 more | 2012-11-13 |
| 8236168 | Onset haze measurement apparatus and procedure | James W. Gleeson, MaryKathryn Lee | 2012-08-07 |
| 8177965 | Enhancement of saturates content in heavy hydrocarbons utilizing ultrafiltration | Daniel P. Leta, Edward W. Corcoran, Jr., Anjaneya S. Kovvali, Stephen H. Brown, Stephen M. Cundy | 2012-05-15 |
| 7897828 | Process for separating a heavy oil feedstream into improved products | Kirk C. Nadler, Daniel P. Leta, Halou Oumar-Mahamat, Edward W. Corcoran, Jr., Stephen H. Brown +2 more | 2011-03-01 |
| 7867379 | Production of an upgraded stream from steam cracker tar by ultrafiltration | Daniel P. Leta, Edward W. Corcoran, Jr., Stephen M. Cundy, Kirk C. Nadler, John Di-Yi Ou +1 more | 2011-01-11 |
| 7815790 | Upgrade of visbroken residua products by ultrafiltration | Daniel P. Leta, Leo D. Brown, David T. Ferrughelli, Stephen M. Cundy, MaryKathryn Lee +1 more | 2010-10-19 |
| 7465389 | Production of extra-heavy lube oils from Fischer-Tropsch wax | Jack W. Johnson, Robert R. Simpson | 2008-12-16 |
| 6839137 | Asphaltene aggregation in petroleum oil mixtures determined by small angle light scattering | Thomas G. Mason, James Sung, Zhengdong Cheng, Michael Siskin | 2005-01-04 |
| 6268401 | Fischer-tropsch wax and crude oil mixtures having a high wax content | Bruce R. Cook, Hu Gang, Loren Ansell | 2001-07-31 |