Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663728 | Group 13-15 interstitial metal hydride catalysts and associated processes | Pallassana S. Venkataraman, Gordon F. Stuntz, Faiz Pourarian | 2017-05-30 |
| 9505676 | Hydrocarbon conversion process | Gary D. Mohr, Paul F. Keusenkothen, Frank Hershkowitz | 2016-11-29 |
| 9328049 | Hydrocarbon conversion process | Gary D. Mohr, Paul F. Keusenkothen, Frank Hershkowitz | 2016-05-03 |
| 8968555 | Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper sulfide | Daniel P. Leta, James R. Bielenberg, Chris A. Wright, Leo D. Brown | 2015-03-03 |
| 8894845 | Alkali metal hydroprocessing of heavy oils with enhanced removal of coke products | Walter D. Vann, Daniel P. Leta, Richard A. Demmin, Douglas W. Hissong, William C. Baird, Jr. +7 more | 2014-11-25 |
| 8696889 | Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing a transition metal oxide | James R. Bielenberg, Daniel P. Leta, Chris A. Wright, Leo D. Brown | 2014-04-15 |
| 8696890 | Desulfurization process using alkali metal reagent | Jorge Soto, Michael F. Raterman, Daniel P. Leta, Walter D. Vann, Lu Han +3 more | 2014-04-15 |
| 8673132 | Heavy oil conversion process with in-situ potassium sulfide generation | Daniel P. Leta, William C. Baird, Jr., Walter D. Vann, Jorge Soto | 2014-03-18 |
| 8404106 | Regeneration of alkali metal reagent | Jorge Soto, Daniel P. Leta, Lu Han, Walter D. Vann, Mark A. Greaney +5 more | 2013-03-26 |
| 8398848 | Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper metal | Daniel P. Leta, James R. Bielenberg, Chris A. Wright, Leo D. Brown | 2013-03-19 |
| 8288305 | Selective catalysts for naphtha hydrodesulfurization | Chuansheng Bai, Stuart L. Soled, Sabato Mlseo | 2012-10-16 |
| 8216958 | Selective catalysts having silica supports for naphtha hydrodesulfurization | Jason Wu, Chuansheng Bai, Thomas R. Halbert, Stuart L. Soled, Sabato Miseo +4 more | 2012-07-10 |
| 8075762 | Electrodesulfurization of heavy oils | Mark A. Greaney, Chris A. Wright, Howard Freund, Kun Wang | 2011-12-13 |
| 7731838 | Solid acid assisted deep desulfurization of diesel boiling range feeds | Catalina L. Coker, Madhav Acharya | 2010-06-08 |
| 7507327 | Desulfurizing organosulfur heterocycles in feeds with supported sodium | Jeffrey Dysard, Zhigou Hou, Andrzej Malek, Ramesh Gupta, William E. Lewis | 2009-03-24 |
| 6953771 | Lubricant compositions | Ian Bell, Alisdair Brown, Edward I. Stiefel, Ernestine W. Hill | 2005-10-11 |
| 6569820 | Manufacture of lubricant additives | Ian Bell, Edward I. Stiefel, Stanley J. Brois, Ernestine W. Hill, Alisdair Brown | 2003-05-27 |
| 6541429 | Lubricant compositions | Ian Bell, Alisdair Brown, Edward I. Stiefel, Ernestine W. Hill | 2003-04-01 |
| 6358894 | Molybdenum-antioxidant lube oil compositions | Daniel P. Leta, Edward I. Stiefel, Charles Frederick Pictroski, Kathleen Marie Creegan | 2002-03-19 |
| 6232276 | Trinuclear molybdenum multifunctional additive for lubricating oils | Edward I. Stiefel, Daniel P. Leta, Manuel A. Francisco, Catherine L. Coyle, Peter John Guzi +1 more | 2001-05-15 |
| 6211123 | Lubricating oil compositions | Alisdair Brown, Ian Bell, John A. Cleverley, Jose Manuel Gomes, Edward I. Stiefel | 2001-04-03 |
| 6110878 | Lubricant additives | Edward I. Stiefel, Ian Alexander Weston Bell, Velautha-Cumaran Arunasalam | 2000-08-29 |
| 6010987 | Enhancement of frictional retention properties in a lubricating composition containing a molybdenum sulfide additive in low concentration | Edward I. Stiefel, Daniel P. Leta, Charles Frederick Pictroski | 2000-01-04 |
| 5906968 | Method of synthesizing Mo.sub.3 S.sub.x containing compounds | Edward I. Stiefel, Ian Alexander Weston Bell, Velautha-Cumaran Arunasalam | 1999-05-25 |
| 5888945 | Method for enhancing and restoring reduction friction effectiveness | Edward I. Stiefel, Daniel P. Leta | 1999-03-30 |