Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864996 | Reduction of conradson carbon residue and average boiling points utilizing high pressure ultrafiltration | Daniel P. Leta, Edward W. Corcoran, Jr., James D. Dearth, Kirk C. Nadler, Stephen M. Cundy +4 more | 2014-10-21 |
| 7425258 | C6 recycle for propylene generation in a fluid catalytic cracking unit | Tan-Jen Chen, Paul F. Keusenkothen, Philip A. Ruziska | 2008-09-16 |
| 7374660 | Process for selectively producing C3 olefins in a fluid catalytic cracking process with recycle of a C4 fraction to a secondary reaction zone separate from a dense bed stripping zone | Todd R. Steffens, Jacob Johannes Thiart, Nicole J. Lai, James D. Dearth | 2008-05-20 |
| 7326332 | Multi component catalyst and its use in catalytic cracking | Tan-Jen Chen, John S. Buchanan, Paul F. Keusenkothen, Philip A. Ruziska, David L. Stern | 2008-02-05 |
| 7323099 | Two stage fluid catalytic cracking process for selectively producing C2 to C4 olefins | — | 2008-01-29 |
| 7270739 | Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation | Tan-Jen Chen, Paul F. Keusenkothen, Philip A. Ruziska | 2007-09-18 |
| 7267759 | Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation | Tan-Jen Chen, Paul F. Keusenkothen, Philip A. Ruziska | 2007-09-11 |
| 6803494 | Process for selectively producing propylene in a fluid catalytic cracking process | Paul K. Ladwig, John E. Asplin, Gordon F. Stuntz, William A. Wachter, Shun C. Fung | 2004-10-12 |
| 6409911 | Silicoaluminophosphates having an AEL structure and their use as FCC catalysts | Karl G. Strohmaier, David E. W. Vaughan, Tan-Jen Chen, Philip A. Ruziska, Gordon F. Stuntz +1 more | 2002-06-25 |
| 6313366 | Process for selectively producing C3 olefins in a fluid catalytic cracking process | Paul K. Ladwig, John E. Asplin, Gordon F. Stuntz, William A. Wachter, Shun C. Fung +3 more | 2001-11-06 |
| 6306790 | Catalytic silicoaluminophosphates having an AEL structure, and their use in catalytic craking | Javier Agundez Rodriguez, Joaquin Perez Pariente, Antonio Chica Lara, Avelino Corma Canos, Tan-Jen Chen +3 more | 2001-10-23 |
| 6300537 | Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins | Karl G. Strohmaier, David E. W. Vaughan, Tan-Jen Chen, Philip A. Ruziska, Gordon F. Stuntz +1 more | 2001-10-09 |
| 6288298 | Naphtha cracking utilizing new catalytic silicoaluminophosphates having an AEL structure | Javier Agundez Rodriguez, Joaquin Perez Pariente, Antonio Chica Lara, Avelino Corma Canos, Tan-Jen Chen +3 more | 2001-09-11 |
| 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, John E. Asplin, Gordon F. Stuntz +1 more | 2000-08-22 |
| 6069287 | Process for selectively producing light olefins in a fluid catalytic cracking process | Paul K. Ladwig, John E. Asplin, Gordon F. Stuntz, William A. Wachter | 2000-05-30 |