Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273827 | Molecular sieve catalyst composition, its production and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Jeffrey Wayne Sprinkle, Ian Walker | 2007-09-25 |
| 7271123 | Molecular sieve catalyst composition, its making and use in conversion process | Yun-Feng Chang, Stephen N. Vaughn, Kenneth R. Clem | 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, Kenneth R. Clem, Weiguo Hu | 2007-07-10 |
| 7241716 | Protecting catalytic sites of metalloaluminophosphate molecular sieves | Marcel Janssen | 2007-07-10 |
| 7238844 | Olefin oligomerization | Georges Marie Karel Mathys, Stephen H. Brown, Hubertus Joseph Beckers, Raphael Frans Caers, John Stephen Godsmark +2 more | 2007-07-03 |
| 7230151 | Two catalyst process for making olefin | Keith H. Kuechler, James R. Lattner | 2007-06-12 |
| 7223896 | Fines co-feed for maintaining efficient reactor hydrodynamics | James R. Lattner, Rutton D. Patel, David C. Skouby, Stephen N. Vaughn, Yun-Feng Chang +3 more | 2007-05-29 |
| 7223714 | Method of transferring catalyst in a reaction system | James H. Beech, Jr., Neil Vaughn Stephen, Teng Xu, Richard E. Walter | 2007-05-29 |
| 7214844 | Molecular sieve catalyst compositions, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem | 2007-05-08 |
| 7199276 | Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process | Jaimes Sher, Cornelis F. Van Egmond, Mechilium Johannes Gerardus Janssen, James R. Lattner, Teng Xu | 2007-04-03 |
| 7193122 | Stabilization of acid catalysts | Filip Mees, Etienne Vansant, Marcel Janssen | 2007-03-20 |
| 7160831 | Molecular sieve catalyst composition, its making and use in conversion processes | Stephen N. Vaughn, Yun-Feng Chang, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer | 2007-01-09 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts | Stephen N. Vaughn, Albert E. Schweizer, John K. Pierce, Shun C. Fung | 2006-12-19 |
| 7122500 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn | 2006-10-17 |
| 7026267 | Molecular sieve catalyst composition, its production and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Jeffrey Wayne Sprinkle, Ian Walker | 2006-04-11 |
| 7015174 | Maintaining molecular sieve catalytic activity under water vapor conditions | Peter Loezos, Shun C. Fung, Stephen N. Vaughn, Kenneth R. Clem, James H. Beech, Jr. +3 more | 2006-03-21 |
| 6979756 | Heat treating a molecular sieve and catalyst | Shun C. Fung, Marcel Janssen, Stephen N. Vaughn, Machteld M. Mertens, Albert E. Schweizer +5 more | 2005-12-27 |
| 6936566 | Modified metalloaluminophosphate molecular sieves | Filip Mees, Etienne Vansant, Kun Wang, Richard B. Hall, Marcel Janssen +2 more | 2005-08-30 |
| 6906233 | Modified metalloaluminophosphate molecular sieves | Filip Mees, Etienne Vansant, Kun Wang, Richard B. Hall, Marcel Janssen +2 more | 2005-06-14 |
| 6897179 | Method of protecting SAPO molecular sieve from loss of catalytic activity | Shun C. Fung, Stephen N. Vaughn, Marcel Janssen, Kenneth R. Clem | 2005-05-24 |
| 6897180 | Stabilization of acid catalysts | Filip Mees, Etienne Vansant, Marcel Janssen | 2005-05-24 |
| 6872680 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Stephen N. Vaughn, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem | 2005-03-29 |
| 6797852 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Shun C. Fung, Wilfried J. Mortier, Ronald G. Searle +2 more | 2004-09-28 |
| 6797851 | Two catalyst process for making olefin | Keith H. Kuechler, James R. Lattner | 2004-09-28 |