Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455748 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Luc R. M. Martens, Wilfried J. Mortier, Ronald G. Searle +2 more | 2002-09-24 |
| 6441262 | Method for converting an oxygenate feed to an olefin product | Chunshe Cao | 2002-08-27 |
| 6437208 | Making an olefin product from an oxygenate | Keith H. Kuechler, Marcel Janssen, Stephen Vaughn, Nicolas Coute, Jeffrey S. Smith +6 more | 2002-08-20 |
| 6395674 | Heat treating a molecular sieve and catalyst | Marcel Janssen, Stephen N. Vaughn, Machteld M. Mertens, Albert E. Schweizer, Luc R. M. Martens +4 more | 2002-05-28 |
| 6316683 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Luc R. M. Martens, Wilfried J. Mortier, Ronald G. Searle +2 more | 2001-11-13 |
| 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, Brian Erik Henry +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 | Tan-Jen Chen, Marcel Janssen, William A. Wachter, B. Erik Henry, John E. Asplin | 2001-07-10 |
| 6156189 | Operating method for fluid catalytic cracking involving alternating feed injection | Teh C. Ho, Daniel P. Leta | 2000-12-05 |
| 6123832 | Fluid catalytic cracking process for converting hydrocarbon mixtures | Teh C. Ho, Gordon F. Stuntz, Robert C. Welch, Daniel P. Leta | 2000-09-26 |
| 6118035 | Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed | Tan-Jen Chen, Marcel Janssen, William A. Wachter, Brian Henry, John E. Asplin | 2000-09-12 |
| 6110857 | Method of minimizing iron contamination during catalyst regeneration processes | Walter S. Kmak | 2000-08-29 |
| 6090271 | Enhanced olefin yields in a catalytic process with diolefins | Joseph F. Carpency, Tan-Jen Chen, Andrew Brennek | 2000-07-18 |
| 6034019 | Method of minimizing iron contamination during catalyst regeneration processes | Walter S. Kmak | 2000-03-07 |
| 5866495 | Method of regenerating deactivated catalysts | Samuel J. Tauster, Jay Y. Koo | 1999-02-02 |
| 5776849 | Regeneration of severely deactivated reforming catalysts | Yao-Jyh Robert Huang, John Francis Walsh, Gary B. McVicker, Kenneth R. Clem | 1998-07-07 |
| 5763348 | Method of regenerating deactivated catalyst | Samuel J. Tauster, Jay Y. Koo | 1998-06-09 |
| 5756414 | Method of regenerating deactivated catalyst | Yao-Jyh Robert Huang, Gary B. McVicker, Jar-Lin Kao, John Francis Walsh, Kenneth R. Clem | 1998-05-26 |
| 5726112 | Method of regenerating deactivated catalysts | Samuel J. Tauster, Jay Y. Koo | 1998-03-10 |
| 5712214 | Regeneration of aromatization catalysts | Yao-Jyh Robert Huang | 1998-01-27 |
| 5698486 | Method of regenerating deactivated catalysts | Samuel J. Tauster, Jay Y. Koo | 1997-12-16 |
| 5378669 | Method for treating a catalyst | — | 1995-01-03 |
| 5256612 | Method for treating a catalyst | — | 1993-10-26 |
| 5137620 | Reforming process using a pretreated catalyst | John L. Robbins, Elise Marucchi-Soos, Ming Chow, William E. Gates, Joseph P. Boyle | 1992-08-11 |
| 5106798 | Method for regenerating a Group VIII noble metal deactivated catalyst | — | 1992-04-21 |
| 5051384 | Method for pretreating a reforming catalyst | John L. Robbins, Elise Marucchi-Soos, Ming Chow, William E. Gates | 1991-09-24 |