Issued Patents All Time
Showing 101–125 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230151 | Two catalyst process for making olefin | Luc R. M. Martens, Keith H. Kuechler | 2007-06-12 |
| 7227048 | Converting oxygenates to olefins over a catalyst comprising acidic molecular sieve of controlled carbon atom to acid site ratio | Paul N. Chisholm, Nicolas Coute, Teng Xu, Jeffrey S. Smith, Keith H. Kuechler | 2007-06-05 |
| 7223896 | Fines co-feed for maintaining efficient reactor hydrodynamics | Luc R. M. Martens, Rutton D. Patel, David C. Skouby, Stephen N. Vaughn, Yun-Feng Chang +3 more | 2007-05-29 |
| 7220341 | Controlling solids flow in a gas-solids reactor | Jeffrey S. Smith, Kenneth R. Clem, Pete Loezos, Nicolas Coute, Rutton D. Patel | 2007-05-22 |
| 7199276 | Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process | Jaimes Sher, Cornelis F. Van Egmond, Luc R. M. Martens, Mechilium Johannes Gerardus Janssen, Teng Xu | 2007-04-03 |
| 7195741 | Multiple riser reactor | Jeffrey S. Smith, Nicolas Coute, Keith H. Kuechler | 2007-03-27 |
| 7183328 | Methanol manufacture using pressure swing reforming | Frank Hershkowitz | 2007-02-27 |
| 7148261 | Methanol manufacture using pressure swing reforming | Frank Hershkowitz | 2006-12-12 |
| 7148171 | Method for adding heat to a reactor system used to convert oxygenates to olefins | Keith H. Kuechler, Richard E. Walter | 2006-12-12 |
| 7135604 | Process for separating carbon dioxide from an oxygenate-to-olefin effluent stream | Zhong Ding, David Lumgair, Jeffrey Alan Kabin | 2006-11-14 |
| 7102049 | Process for operating a quench device in an oxygenate-to-olefin production unit | Zhong Ding, David Lumgair, Jeffrey Alan Kabin, Cor F. Van Egmond | 2006-09-05 |
| 7102050 | Multiple riser reactor | Jeffrey S. Smith, Nicolas Coute, Keith H. Kuechler | 2006-09-05 |
| 7090081 | Selectively removing undesirably sized catalyst particles from a reaction system | Stephen N. Vaughn, Kenneth R. Clem, Keith H. Kuechler | 2006-08-15 |
| 7083762 | Multiple riser reactor with centralized catalyst return | Keith H. Kuechler, Nicolas Coute, Jeffrey S. Smith, Justin Leonard Krieger | 2006-08-01 |
| 7060866 | High pressure separation of dimethyl ether from an olefin stream | Cor F. Van Egmond, Jeffrey L. Brinen, Michael Nicoletti | 2006-06-13 |
| 7060865 | Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons | Zhong Ding | 2006-06-13 |
| 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 |
| 7005555 | Process for separating and recycling oxygenate(s) to an oxygenate-to-olefin reactor | Zhong Ding, Paul N. Chisholm, Jeffrey Alan Kabin | 2006-02-28 |
| 6987208 | Process for removing oxygenates from an olefinic stream | Michael A. Risch, Teng Xu, John Di-Yi Ou, Keith H. Kuechler, James H. Beech, Jr. +1 more | 2006-01-17 |
| 6965057 | Oxygenate to olefin process | James H. Beech, Jr., Cor F. Van Egmond, Teng Xu | 2005-11-15 |
| 6846405 | Circulating fluid bed reactor system | Jeffrey S. Smith, Rathna P. Davuluri | 2005-01-25 |
| 6844480 | Method of separating dimethyl ether from an olefin stream | David Lumgair, Jeffrey Alan Kabin, Michael Nicoletti | 2005-01-18 |
| 6838587 | Method of removing oxygenate contaminants from an olefin stream | David Lumgair | 2005-01-04 |
| 6797851 | Two catalyst process for making olefin | Luc R. M. Martens, Keith H. Kuechler | 2004-09-28 |
| 6768036 | Method for adding heat to a reactor system used to convert oxygenates to olefins | Keith H. Kuechler, Richard E. Walter | 2004-07-27 |