Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022109 | Product filtration system for slurry reactors | David G. Hammond, David C. Long, Min Chang | 2011-09-20 |
| 6803494 | Process for selectively producing propylene in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry, Shun C. Fung | 2004-10-12 |
| 6602403 | Process for selectively producing high octane naphtha | Todd R. Steffens | 2003-08-05 |
| 6558531 | Method for maintaining heat balance in a fluidized bed catalytic cracking unit | Todd R. Steffens, George Melfi, John E. Asplin | 2003-05-06 |
| 6455750 | Process for selectively producing light olefins | Todd R. Steffens | 2002-09-24 |
| 6388152 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, Tan-Jen Chen | 2002-05-14 |
| 6339181 | Multiple feed process for the production of propylene | Tan-Jen Chen, Philip A. Ruziska, Gordon F. Stuntz | 2002-01-15 |
| 6339180 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, William A. Wachter, B. Erik Henry | 2002-01-15 |
| 6315890 | Naphtha cracking and hydroprocessing process for low emissions, high octane fuels | Gordon F. Stuntz, Garland B. Brignac, Thomas R. Halbert | 2001-11-13 |
| 6313366 | Process for selectively producing C3 olefins in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry, Shun C. Fung +3 more | 2001-11-06 |
| 6258257 | Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process | George A. Swan, III, Michael W. Bedell, John E. Asplin, Gordon F. Stuntz, William A. Wachter +1 more | 2001-07-10 |
| 6179993 | Process for obtaining olefins from residual feedstocks | Noel M. Seimandi, Tony T. Cheng, Willibald Serrand, Mitchell Jacobson, John F. Pagel +2 more | 2001-01-30 |
| 6114265 | Combustion control in a fluid catalytic cracking regenerator | Todd R. Steffens | 2000-09-05 |
| 6106697 | Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins | George A. Swan, III, Michael W. Bedell, John E. Asplin, Gordon F. Stuntz, William A. Wachter +1 more | 2000-08-22 |
| 6093867 | Process for selectively producing C3 olefins in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, Tan-Jen Chen | 2000-07-25 |
| 6069287 | Process for selectively producing light olefins in a fluid catalytic cracking process | John E. Asplin, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry | 2000-05-30 |
| 5952539 | Dual process for obtaining olefins | Noel M. Seimandi, Tony T. Cheng, Willibald Serrand, Mitchell Jacobson, John F. Pagel +2 more | 1999-09-14 |
| 5824208 | Short contact time catalytic cracking process | Martin G. Bienstock | 1998-10-20 |
| 5714663 | Process for obtaining significant olefin yields from residua feedstocks | Willibald Serrand, Mitchell Jacobson, John F. Pagel, Michael R. Parrish, Noel M. Seimandi +1 more | 1998-02-03 |
| 5164101 | Method for reducing piston deposits | Darrell W. Brownawell, Warren A. Thaler, Eric Bannister | 1992-11-17 |
| 5069799 | Method for rejuvenating lubricating oils | Darrell W. Brownawell | 1991-12-03 |
| 5068044 | Method for reducing piston deposits | Darrell W. Brownawell, Warren A. Thaler, Eric Bannister | 1991-11-26 |
| 5019286 | Low viscosity aromatic carbonate lubricating oil concentrates | Gerald Shaw | 1991-05-28 |
| 4906389 | Method for reducing piston deposits | Darrell W. Brownawell, Warren A. Thaler, Eric Bannister | 1990-03-06 |