Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968555 | Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper sulfide | Daniel P. Leta, Jonathan M. McConnachie, James R. Bielenberg, Chris A. Wright | 2015-03-03 |
| 8696889 | Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing a transition metal oxide | James R. Bielenberg, Jonathan M. McConnachie, Daniel P. Leta, Chris A. Wright | 2014-04-15 |
| 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 | Jonathan M. McConnachie, Daniel P. Leta, James R. Bielenberg, Chris A. Wright | 2013-03-19 |
| 8147676 | Delayed coking process | Michael Siskin, David T. Ferrughelli, Martin L. Gorbaty, Simon R. Kelemen | 2012-04-03 |
| 7871510 | Production of an enhanced resid coker feed using ultrafiltration | Daniel P. Leta, Michael Siskin | 2011-01-18 |
| 7871511 | Method to alter coke morphology using either polynuclear aromatic compounds or functionalized lignin | Ramesh Varadaraj, Michael Siskin | 2011-01-18 |
| 7837879 | Visbreaking yield enhancement by ultrafiltration | Daniel P. Leta | 2010-11-23 |
| 7815790 | Upgrade of visbroken residua products by ultrafiltration | Daniel P. Leta, David T. Ferrughelli, Stephen M. Cundy, MaryKathryn Lee, Copper E. Haith +1 more | 2010-10-19 |
| 7794587 | Method to alter coke morphology using metal salts of aromatic sulfonic acids and/or polysulfonic acids | Ramesh Varadaraj, Michael Siskin, Cornelius H. Brons | 2010-09-14 |
| 7708864 | Method for refinery foulant deposit characterization | Glen B. Brons, Himanshu Monty Joshi, Raymond Kennedy, Tom Bruno, Thomas M. Rudy | 2010-05-04 |
| 7704376 | Fouling inhibition of thermal treatment of heavy oils | Ramesh Varadaraj, Michael Siskin, Maa S. Maa | 2010-04-27 |
| 7686940 | Acoustic agglomeration to reduce fouling in thermal conversion processes | Glen E. Phillips, Michael Siskin | 2010-03-30 |
| 7658838 | Delayed coking process for producing free-flowing coke using polymeric additives | Ramesh Varadaraj, Michael Siskin | 2010-02-09 |
| 7645375 | Delayed coking process for producing free-flowing coke using low molecular weight aromatic additives | Ramesh Varadaraj, Michael Siskin, Christopher P. Eppig, Cornelius H. Brons | 2010-01-12 |
| 7594989 | Enhanced thermal upgrading of heavy oil using aromatic polysulfonic acid salts | Ramesh Varadaraj | 2009-09-29 |
| 7306713 | Delayed coking process for producing free-flowing coke using a substantially metals-free additive | Michael Siskin, Martin L. Gorbaty, Christopher P. Eppig, David T. Ferrughelli, Simon R. Kelemen | 2007-12-11 |
| 7303664 | Delayed coking process for producing free-flowing coke using a metals-containing additive | Michael Siskin, Christopher P. Eppig, Martin L. Gorbaty, Simon R. Kelemen, David T. Ferrughelli +1 more | 2007-12-04 |
| 7160437 | Method for determining the source of fouling in thermal conversion process units | Peter S. Maa, William N. Olmstead, Michael Siskin | 2007-01-09 |
| 6723230 | Regeneration of iron-based hydrogen sulfide sorbents | Jingguang Chen, William C. Baird, Jr., Gary B. McVicker, Edward S. Ellis, Michele S. Touvelle +2 more | 2004-04-20 |
| 6649043 | Regeneration of hydrogen sulfide sorbents | Jingguang Chen, William C. Baird, Jr., Gary B. McVicker, Edward S. Ellis, Michele S. Touvelle +2 more | 2003-11-18 |
| 5278121 | Multimetallic sulfide catalyst containing noble metals for hydrodenitrogenation | Gopal H. Singhal, X. B. Cox, III, Thomas R. Halbert | 1994-01-11 |
| 5252199 | Hydrotreating process using novel multimetallic sulfide catalysts | Gophal H. Singhal, X. B. Cox, III, Thomas R. Halbert | 1993-10-12 |
| 4260421 | Cement production from coal conversion residues | James M. Eakman, Nicholas C. Nahas, LeRoy R. Clavenna | 1981-04-07 |