Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090081 | Selectively removing undesirably sized catalyst particles from a reaction system | Kenneth R. Clem, Keith H. Kuechler, James R. Lattner | 2006-08-15 |
| 7053260 | Reducing temperature differences within the regenerator of an oxygenate to olefin process | Teng Xu, Paul N. Chisholm, Shun C. Fung, Keith H. Kuechler, James R. Lattner +3 more | 2006-05-30 |
| 7034196 | Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system | Kenneth R. Clem, Teng Xu, Jeffrey L. White | 2006-04-25 |
| 7026267 | Molecular sieve catalyst composition, its production and use in conversion processes | Yun-Feng Chang, Luc R. M. Martens, Jeffrey Wayne Sprinkle, Ian Walker | 2006-04-11 |
| 7015174 | Maintaining molecular sieve catalytic activity under water vapor conditions | Peter Loezos, Shun C. Fung, Kenneth R. Clem, James H. Beech, Jr., Nicolas Coute +3 more | 2006-03-21 |
| 6979756 | Heat treating a molecular sieve and catalyst | Shun C. Fung, Marcel Janssen, Machteld M. Mertens, Albert E. Schweizer, Cornelius W. M. Van Oorschot +5 more | 2005-12-27 |
| 6897179 | Method of protecting SAPO molecular sieve from loss of catalytic activity | Shun C. Fung, Marcel Janssen, Luc R. M. Martens, Kenneth R. Clem | 2005-05-24 |
| 6872680 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem | 2005-03-29 |
| 6844476 | Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions | Peter Ham, Keith H. Kuechler | 2005-01-18 |
| 6841510 | Treatment of molecular sieves with silicon containing compounds | John Di-Yi Ou, Jar-Lin Kao, Hsiang-Ning Sun | 2005-01-11 |
| 6809227 | Method for increasing light olefin yield by conversion of a heavy hydrocarbon fraction of a product to light olefins | — | 2004-10-26 |
| 6797852 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Shun C. Fung, Luc R. M. Martens, Wilfried J. Mortier +2 more | 2004-09-28 |
| 6787501 | Molecular sieve catalyst composition, its making and use in conversion processes | Yun-Feng Chang, Luc R. M. Martens, Kenneth R. Clem, 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, Kenneth R. Clem, Teng Xu, Jeffrey L. White | 2004-05-18 |
| 6717023 | Method for converting oxygenates to olefins | James R. Lattner, Keith H. Kuechler, David C. Skouby, Hsiang-Ning Sun | 2004-04-06 |
| 6710008 | Method of making molecular sieve catalyst | Yun-Feng Chang, Jeffery W. Sprinkle, Fran A. Shipley, Kenneth R. Clem | 2004-03-23 |
| 6657022 | Inhibiting catalyst coke formation in the manufacture of an olefin | Bryce Williams | 2003-12-02 |
| 6613950 | Stripping hydrocarbon in an oxygenate conversion process | Luc R. M. Martens, Shun C. Fung, David C. Skouby | 2003-09-02 |
| 6605749 | Synthesis of molecular sieve catalysts | Luc R. M. Martens, Keith H. Kuechler, Albert E. Schweizer | 2003-08-12 |
| 6552240 | Method for converting oxygenates to olefins | James R. Lattner, Keith H. Kuechler, David C. Skouby, Hsiang-Ning Sun | 2003-04-22 |
| 6541415 | Synthesis of molecular sieve catalysts | Luc Martens, Keith H. Kuechler, Albert E. Schweizer | 2003-04-01 |
| 6531639 | Catalytic production of olefins at high methanol partial pressures | Shun C. Fung, Keith H. Kuechler, Jeffrey S. Smith, Nicolas Coute, Chunshe Cao | 2003-03-11 |
| 6521562 | Preparation of molecular sieve catalysts micro-filtration | Kenneth R. Clem, Luc Martens, Paul R. Stafford, John W. Kress, Machteld M. Mertens | 2003-02-18 |
| 6509290 | Catalyst composition including attrition particles and method for making same | Luc R. M. Martens, Keith H. Kuechler, Albert E. Schweizer | 2003-01-21 |
| 6503863 | Heat treating a molecular sieve and catalyst | Shun C. Fung, Marcel Janssen, Machteld M. Mertens, Albert E. Schweizer, Luc Martens +4 more | 2003-01-07 |