Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7114507 | Process for removing contaminants from a compressor intercooler in a methanol to olefin separation system | Keith H. Kuechler, David Lumgair, Paul N. Chisholm, Cor F. Van Egmond | 2006-10-03 |
| 7115791 | Method and apparatus for controlling effluent composition in oxygenates to olefins conversion | Jeffrey Alan Kabin, Stephen N. Vaughn | 2006-10-03 |
| 7102050 | Multiple riser reactor | James R. Lattner, Jeffrey S. Smith, Keith H. Kuechler | 2006-09-05 |
| 7084319 | Catalyst fluidization in oxygenate to olefin reaction systems | Keith H. Kuechler, Jeffrey S. Smith, Stephen H. Brown, Richard B. Hall, Teng Xu +1 more | 2006-08-01 |
| 7083762 | Multiple riser reactor with centralized catalyst return | Keith H. Kuechler, James R. Lattner, Jeffrey S. Smith, Justin Leonard Krieger | 2006-08-01 |
| 7057083 | Catalyst pretreatment with C4-C7 olefins in an oxygenate to olefins reaction system | Teng Xu, Kenneth R. Clem, Keith H. Kuechler | 2006-06-06 |
| 7033971 | Method for using stabilizing catalyst activity during MTO unit operation | Shun C. Fung, Richard B. Hall, Hafedh Kochkar, Karl G. Strohmaier, Kenneth R. Clem | 2006-04-25 |
| 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 |
| 7007701 | Processor for removing contaminants from a compressor in a methanol to olefin separation system | Keith H. Kuechler, David Lumgair, Paul N. Chisholm, Cor F. Van Egmond | 2006-03-07 |
| 6768034 | Catalytic production of olefins at high methanol partial pressures | Shun C. Fung, Keith H. Kuechler, Jeffrey S. Smith, Stephen Vaughn, Chunshe Cao | 2004-07-27 |
| 6740790 | Making an olefin product from an oxygenate | Keith H. Kuechler, Marcel Janssen, Stephen Vaughn, Shun C. Fung, Jeffrey S. Smith +6 more | 2004-05-25 |
| 6531639 | Catalytic production of olefins at high methanol partial pressures | Shun C. Fung, Keith H. Kuechler, Jeffrey S. Smith, Stephen N. Vaughn, Chunshe Cao | 2003-03-11 |
| 6437208 | Making an olefin product from an oxygenate | Keith H. Kuechler, Marcel Janssen, Stephen Vaughn, Shun C. Fung, Jeffrey S. Smith +6 more | 2002-08-20 |
| 6149800 | Process for increased olefin yields from heavy feedstocks | Larry L. Iaccino | 2000-11-21 |
| 5906728 | Process for increased olefin yields from heavy feedstocks | Larry L. Iaccino | 1999-05-25 |