| 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 |
$121,004,000 |
| 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 |
$302,243,000 |
| 8404106 |
Regeneration of alkali metal reagent |
Jorge Soto, Daniel P. Leta, Lu Han, Walter D. Vann, Mark A. Greaney +5 more |
2013-03-26 |
$203,545,000 |
| 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 |
$65,652,000 |
| 8147676 |
Delayed coking process |
Michael Siskin, David T. Ferrughelli, Martin L. Gorbaty, Simon R. Kelemen |
2012-04-03 |
$124,635,000 |
| 7871510 |
Production of an enhanced resid coker feed using ultrafiltration |
Daniel P. Leta, Michael Siskin |
2011-01-18 |
$215,560,000 |
| 7871511 |
Method to alter coke morphology using either polynuclear aromatic compounds or functionalized lignin |
Ramesh Varadaraj, Michael Siskin |
2011-01-18 |
$215,560,000 |
| 7837879 |
Visbreaking yield enhancement by ultrafiltration |
Daniel P. Leta |
2010-11-23 |
$71,934,000 |
| 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 |
$87,946,000 |
| 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 |
$94,606,000 |
| 7708864 |
Method for refinery foulant deposit characterization |
Glen B. Brons, Himanshu Monty Joshi, Raymond Kennedy, Tom Bruno, Thomas M. Rudy |
2010-05-04 |
$157,922,000 |
| 7704376 |
Fouling inhibition of thermal treatment of heavy oils |
Ramesh Varadaraj, Michael Siskin, Maa S. Maa |
2010-04-27 |
$365,835,000 |
| 7686940 |
Acoustic agglomeration to reduce fouling in thermal conversion processes |
Glen E. Phillips, Michael Siskin |
2010-03-30 |
$132,368,000 |
| 7658838 |
Delayed coking process for producing free-flowing coke using polymeric additives |
Ramesh Varadaraj, Michael Siskin |
2010-02-09 |
$304,952,000 |
| 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 |
$199,856,000 |
| 7594989 |
Enhanced thermal upgrading of heavy oil using aromatic polysulfonic acid salts |
Ramesh Varadaraj |
2009-09-29 |
$323,855,000 |
| 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 |
$407,637,000 |
| 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 |
$459,969,000 |
| 7160437 |
Method for determining the source of fouling in thermal conversion process units |
Peter S. Maa, William N. Olmstead, Michael Siskin |
2007-01-09 |
$252,942,000 |
| 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 |
$212,535,000 |
| 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 |
$120,208,000 |
| 5278121 |
Multimetallic sulfide catalyst containing noble metals for hydrodenitrogenation |
Gopal H. Singhal, X. B. Cox, III, Thomas R. Halbert |
1994-01-11 |
$31,686,000 |
| 5252199 |
Hydrotreating process using novel multimetallic sulfide catalysts |
Gophal H. Singhal, X. B. Cox, III, Thomas R. Halbert |
1993-10-12 |
$70,827,000 |
| 4260421 |
Cement production from coal conversion residues |
James M. Eakman, Nicholas C. Nahas, LeRoy R. Clavenna |
1981-04-07 |
$55,985,000 |
