Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7271123 | Molecular sieve catalyst composition, its making and use in conversion process | Yun-Feng Chang, Stephen N. Vaughn, Luc R. M. Martens | 2007-09-18 |
| 7259287 | Method of starting up a reaction system | James H. Beech, Jr., Richard E. Walter, Shun C. Fung, Peter Loezos, Marcel Janssen +2 more | 2007-08-21 |
| 7241713 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Luc R. M. Martens, Weiguo Hu | 2007-07-10 |
| 7220341 | Controlling solids flow in a gas-solids reactor | Jeffrey S. Smith, James R. Lattner, Pete Loezos, Nicolas Coute, Rutton D. Patel | 2007-05-22 |
| 7214844 | Molecular sieve catalyst compositions, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled | 2007-05-08 |
| 7199277 | Pretreating a catalyst containing molecular sieve and active metal oxide | Teng Xu, Nicolas Coute, Doron Levin, James C. Vartuli | 2007-04-03 |
| 7160831 | Molecular sieve catalyst composition, its making and use in conversion processes | Stephen N. Vaughn, Yun-Feng Chang, Luc R. M. Martens, Machteld M. Mertens, Albert E. Schweizer | 2007-01-09 |
| 7132581 | Catalyst pretreatment with aldehyde in an oxygenate to olefins reaction system | Teng Xu, Nicolas Coute, Cornelis F. Van Egmond | 2006-11-07 |
| 7125821 | Low metal content catalyst compositions and processes for making and using same | Teng Xu, Stephen N. Vaughn, Richard B. Hall, Jack W. Johnson | 2006-10-24 |
| 7090081 | Selectively removing undesirably sized catalyst particles from a reaction system | Stephen N. Vaughn, Keith H. Kuechler, James R. Lattner | 2006-08-15 |
| 7071136 | Attrition resistant molecular sieve catalysts | Yun-Feng Chang, Stephen Vaughn, Luc Martens | 2006-07-04 |
| 7057083 | Catalyst pretreatment with C4-C7 olefins in an oxygenate to olefins reaction system | Teng Xu, Nicolas Coute, Keith H. Kuechler | 2006-06-06 |
| 7053260 | Reducing temperature differences within the regenerator of an oxygenate to olefin process | Teng Xu, Paul N. Chisholm, Stephen N. Vaughn, Shun C. Fung, Keith H. Kuechler +3 more | 2006-05-30 |
| 7045672 | Catalyst pretreatment with dimethyl ether in an oxygenate to olefins reaction system | Teng Xu, Keith H. Kuechler | 2006-05-16 |
| 7034196 | Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system | Stephen N. Vaughn, Teng Xu, Jeffrey L. White | 2006-04-25 |
| 7033971 | Method for using stabilizing catalyst activity during MTO unit operation | Shun C. Fung, Richard B. Hall, Hafedh Kochkar, Karl G. Strohmaier, Nicolas Coute | 2006-04-25 |
| 7015174 | Maintaining molecular sieve catalytic activity under water vapor conditions | Peter Loezos, Shun C. Fung, Stephen N. Vaughn, James H. Beech, Jr., Nicolas Coute +3 more | 2006-03-21 |
| 6897179 | Method of protecting SAPO molecular sieve from loss of catalytic activity | Shun C. Fung, Stephen N. Vaughn, Marcel Janssen, Luc R. M. Martens | 2005-05-24 |
| 6872680 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled | 2005-03-29 |
| 6858129 | Tailored zeolite bound zeolite catalysts and its use for hydrocarbon conversion | Gary D. Mohr, Wilfried J. Mortier, Machteld M. Mertens, Xiaobing Feng, Marc H. Anthonis +1 more | 2005-02-22 |
| 6825391 | Rejuvenating SAPO molecular sieve with anhydrous liquid or vapor | Marcel Janssen, Cornelius W. M. Van Oorschot | 2004-11-30 |
| 6812181 | Coated zeolite catalysts and use for hydrocarbon conversion | Jannetje Maatje van der Berge, Gary D. Mohr, Wilfried J. Mortier, Machteld M. Mertens, Michael C. Bradford | 2004-11-02 |
| 6787501 | Molecular sieve catalyst composition, its making and use in conversion processes | Stephen N. Vaughn, Yun-Feng Chang, Luc R. M. Martens, Machteld M. Mertens, Albert E. Schweizer | 2004-09-07 |
| 6737556 | Method and system for reducing decomposition byproducts in a methanol to olefin reactor system | Jeffrey P. Jones, Stephen N. Vaughn, Teng Xu, Jeffrey L. White | 2004-05-18 |
| 6710008 | Method of making molecular sieve catalyst | Yun-Feng Chang, Stephen N. Vaughn, Jeffery W. Sprinkle, Fran A. Shipley | 2004-03-23 |