Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8092671 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, Richard C. Stell, John R. Messinger, Dane C. Grenoble | 2012-01-10 |
| 7718049 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, Richard C. Stell, John R. Messinger, Dane C. Grenoble | 2010-05-18 |
| 7714180 | Process and apparatus for recovering olefins | David J. Duhon | 2010-05-11 |
| 7273542 | Process and apparatus for recovering olefins | David J. Duhon | 2007-09-25 |
| 7214846 | Recovery of ethylene and propylene from a methanol to olefin reaction system | Cornelis F. Van Egmond, David J. Duhon | 2007-05-08 |
| 7208650 | Recovery of ethylene and propylene from a methanol to olefin reaction system | Cor F. Van Egmond, David J. Duhon | 2007-04-24 |
| 6803494 | Process for selectively producing propylene in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry, Shun C. Fung | 2004-10-12 |
| 6558531 | Method for maintaining heat balance in a fluidized bed catalytic cracking unit | Todd R. Steffens, Paul K. Ladwig, George Melfi | 2003-05-06 |
| 6388152 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, Tan-Jen Chen | 2002-05-14 |
| 6339180 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter, B. Erik Henry | 2002-01-15 |
| 6313366 | Process for selectively producing C3 olefins in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry, Shun C. Fung +3 more | 2001-11-06 |
| 6258990 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed | Shun C. Fung, Tan-Jen Chen, Marcel Janssen, William A. Wachter, B. Erik Henry | 2001-07-10 |
| 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, Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter +1 more | 2001-07-10 |
| 6118035 | Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed | Shun C. Fung, Tan-Jen Chen, Marcel Janssen, William A. Wachter, Brian Henry | 2000-09-12 |
| 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, Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter +1 more | 2000-08-22 |
| 6093867 | Process for selectively producing C3 olefins in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, Tan-Jen Chen | 2000-07-25 |
| 6069287 | Process for selectively producing light olefins in a fluid catalytic cracking process | Paul K. Ladwig, Gordon F. Stuntz, William A. Wachter, Brian Erik Henry | 2000-05-30 |