Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10118146 | Systems and methods for hydroprocessing heavy oil | Roger K. Lott | 2018-11-06 |
| 9920261 | Method for upgrading ebullated bed reactor and upgraded ebullated bed reactor | Roger K. Lott | 2018-03-20 |
| 9605215 | Systems for hydroprocessing heavy oil | Roger K. Lott | 2017-03-28 |
| 8673130 | Method for efficiently operating an ebbulated bed reactor and an efficient ebbulated bed reactor | Roger K. Lott | 2014-03-18 |
| 8440071 | Methods and systems for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst | Roger K. Lott | 2013-05-14 |
| 8431016 | Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst | Roger K. Lott | 2013-04-30 |
| 8303802 | Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst | Roger K. Lott | 2012-11-06 |
| 7815870 | Ebullated bed hydroprocessing systems | Roger K. Lott | 2010-10-19 |
| 7615142 | Expanded bed reactor system and method for hydroprocessing wax produced by Fischer-Tropsch reaction and contaminated with solids | Lawrence M. Abrams | 2009-11-10 |
| 7578928 | Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst | Roger K. Lott | 2009-08-25 |
| 7517446 | Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system | Roger K. Lott, Peter C. Quinn | 2009-04-14 |
| 7449103 | Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system | Roger K. Lott | 2008-11-11 |
| 6919065 | Supported noble metal, phase-controlled catalyst and methods for making and using the catalyst | Bing Zhou | 2005-07-19 |
| 6875409 | Catalyst and process for oxidation and removal of nitrogen oxides (NOx) from combustion gases | Bing Zhou, Naresh J. Suchak | 2005-04-05 |
| 6576214 | Catalytic direct production of hydrogen peroxide from hydrogen and oxygen feeds | Bing Zhou, Michael Rueter, Bruce P. Pelrine | 2003-06-10 |
| 6277895 | Skeletal iron catalyst having improved attrition resistance and product selectivity in slurry-phase synthesis processes | Peizheng Zhou, Jinglai Zhou, Yijun Lu, Guohui Li | 2001-08-21 |
| 6265451 | Skeletal iron catalyst and its preparation for Fischer-Tropsch synthesis processes | Jinglai Zhou, Yijun Lu, Zhixin Zhang, Guohui Li, Linyao Dong +2 more | 2001-07-24 |
| 6190542 | Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds | Alfred G. Comolli | 2001-02-20 |
| 6168775 | Catalyst and process for direct catalystic production of hydrogen peroxide, (H2O2) | Bing Zhou | 2001-01-02 |
| 6139723 | Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds | Bruce P. Pelrine, Alfred G. Comolli | 2000-10-31 |
| 5871638 | Dispersed anion-modified phosphorus-promoted iron oxide catalysts | Vivek R. Pradhan, Alfred G. Comolli | 1999-02-16 |
| 5866501 | Dispersed anion-modified iron oxide catalysts for hydroconversion processes | Vivek R. Pradhan, Alfred G. Comolli | 1999-02-02 |
| 5578197 | Hydrocracking process involving colloidal catalyst formed in situ | Theodore Cyr, Leszek Lewkowicz, Baki OZUM, Roger K. Lott | 1996-11-26 |