Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035959 | Slurry hydroconversion using enhanced slurry catalysts | Ramanathan Sundararaman, Thomas F. Degnan, Rustom M. Billimoria, Natalie A. Fassbender, Anjaneya S. Kovvali +4 more | 2018-07-31 |
| 9849446 | Slurry hydroconversion catalysts | John P. Greeley, Paul Podsiadlo, William E. Lewis, Roby Bearden, Jr., Amitava Sarkar +3 more | 2017-12-26 |
| 9816039 | Upgrading heavy oils by selective oxidation | Thomas F. Degnan, Colin L. Beswick, Ramanathan Sundararaman | 2017-11-14 |
| 9505987 | Demetallization process for heavy oils | Roberto Garcia | 2016-11-29 |
| 8734639 | Upgrading of petroleum resid, bitumen or heavy oils by the separation of asphaltenes and/or resins therefrom using ionic liquids | Michael Siskin, Rustom M. Billimoria | 2014-05-27 |
| 8329941 | Process for the extraction of high molecular weight naphthenic acids from calcium naphthenate salts | Steven W. Levine, Sharon Feiller, Clifford C. Walters | 2012-12-11 |
| 7977286 | Lubricating compositions containing ashless catalytic antioxidant additives | Abhimanyu O. Patil, Jacob J. Habeeb, Michael E. Landis, Manika Varma-Nair | 2011-07-12 |
| 7392142 | Method to determine predictive tests and device applying same to lubricant formulations | Andrew Kaldor, Andrew Jackson, Phiroz M. Bhagat, Eugenio Sanchez | 2008-06-24 |
| 6232276 | Trinuclear molybdenum multifunctional additive for lubricating oils | Edward I. Stiefel, Jonathan M. McConnachie, Daniel P. Leta, Catherine L. Coyle, Peter John Guzi +1 more | 2001-05-15 |
| 5898023 | Lubricant additive composition for inhibiting viscosity increase and dispersency decrease | Jason Z. Gao, Kim Fyfe | 1999-04-27 |
| 5750478 | High load-carrying turbo oils containing amine phosphate and sulfurized fatty acid | Jeenok T. Kim, Paul J. Berlowitz, Morton Beltzer | 1998-05-12 |
| 5712231 | Polymers having dihydroxy moieties | Abhimanyn Onkar Patil, Ken Lewtas, Howard L. Fang | 1998-01-27 |
| 5569404 | Oil soluble iodides as lubricant antioxidants | Kenneth D. Rose | 1996-10-29 |
| 5490946 | Ashless benzotriazole-thiadiazol compounds as anti-oxidant, anti-wear and friction modifiers in lubricants and the lubricants containing such compounds | Morton Beltzer, John W. Frankenfeld | 1996-02-13 |
| 5422023 | Corrosion inhibitor for aviation turbine oils (PNE-628) | — | 1995-06-06 |
| 5308522 | Stress activated high load additives for lubricant compositions | Thomas L. Ashcraft, Alan R. Katritzky | 1994-05-03 |
| 4950386 | Acidic promotion of transition metal sulfide catalysts for selective hydrogenation | — | 1990-08-21 |