Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9260670 | Process for the selective hydrogenation and hydrodesulferization of a pyrolysis gasoline feedstock | Paul Benjerman Himelfarb, Michael Norris Treybig, Brian Scott Vanderwilp | 2016-02-16 |
| 8092671 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, Richard C. Stell, John R. Messinger, John E. Asplin | 2012-01-10 |
| 7718049 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, Richard C. Stell, John R. Messinger, John E. Asplin | 2010-05-18 |
| 7102037 | Selective decomposition of ethers | Doron Levin, Shifang Luo, James C. Vartuli, Charles M. Yarbrough | 2006-09-05 |
| 6210561 | Steam cracking of hydrotreated and hydrogenated hydrocarbon feeds | Carl W. Bradow, Richard M. Foley, Brendan Dermot Murray, Bruce H. C. Winquist, Stanley Nemee Milam | 2001-04-03 |
| 6190533 | Integrated hydrotreating steam cracking process for the production of olefins | Carl W. Bradow, Stanley Nemee Milam, Bruce H. C. Winquist, Brendan Dermot Murray, Richard M. Foley | 2001-02-20 |
| 5710357 | Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen | Roy T. Halle, William Douglas Thomson | 1998-01-20 |
| 5443715 | Method for upgrading steam cracker tars | Roy T. Halle, Martin L. Gorbaty, Harold W. Helmke | 1995-08-22 |
| 5444176 | Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen | Roy T. Halle, William Douglas Thomson | 1995-08-22 |
| 5215649 | Method for upgrading steam cracker tars | Roy T. Halle, Martin L. Gorbaty, Harold W. Helmke | 1993-06-01 |
| 5045174 | Process for the production of heartcut distillate resin precursors | — | 1991-09-03 |
| 4440872 | Transition metal oxide acid catalysts | Chang-Jin Kim, Lawrence L. Murrell | 1984-04-03 |
| 4424114 | Separating basic asphaltenes using transition metal oxide acid catalysts | Lawrence L. Murrell, Robert B. Long | 1984-01-03 |
| 4422926 | Separating basic asphaltenes using Bronsted acid transition metal oxide acid catalysts | Kenneth Arthur Gould, Lawrence L. Murrell, Wim J. M. Pieters | 1983-12-27 |
| 4421637 | Catalytic cracking process with simultaneous production of a low BTU fuel gas and catalyst regeneration | Walter Weissman | 1983-12-20 |
| 4419222 | Hydrocarbon conversion processes using improved transition metal oxide catalysts | Chang-Jin Kim, Lawrence L. Murrell | 1983-12-06 |
| 4415480 | Transition metal oxide Bronsted acid catalysts | Lawrence L. Murrell | 1983-11-15 |
| 4415437 | Hydrocarbon cracking using transition metal oxide Bronsted acid catalysts | Lawrence L. Murrell | 1983-11-15 |
| 4269737 | Method for preparing a group IVB, VB or VIB metal oxide on inorganic refractory oxide support catalyst and the product prepared by said method | Chang-Jin Kim, Lawrence L. Murrell | 1981-05-26 |
| 4244811 | Catalytic cracking process with simultaneous production of a low BTU fuel gas and catalyst regeneration | Walter Weissman | 1981-01-13 |
| 4233139 | Acid catalyzed hydrocarbon conversion processes utilizing a catalyst comprising a Group IVB, VB or VIB metal oxide on an inorganic refractory oxide support | Lawrence L. Murrell, Chang-Jin Kim | 1980-11-11 |