Issued Patents All Time
Showing 126–150 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740790 | Making an olefin product from an oxygenate | Keith H. Kuechler, Marcel Janssen, Stephen Vaughn, Shun C. Fung, Nicolas Coute +6 more | 2004-05-25 |
| 6740791 | Process for converting oxygenates to olefins with direct product quenching for heat recovery | Keith H. Kuechler | 2004-05-25 |
| 6717023 | Method for converting oxygenates to olefins | Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby, Hsiang-Ning Sun | 2004-04-06 |
| 6717025 | 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 | 2004-04-06 |
| 6673978 | Process for making olefins | Nicolas P. Coute', Keith H. Kuechler, Paul N. Chisholm, Stephen Vaughn, William L. Kuechler, Sr. | 2004-01-06 |
| 6627068 | Fluidized bed reactor and process | Christopher L. Becker, Mark Swihart | 2003-09-30 |
| 6552240 | Method for converting oxygenates to olefins | Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby, Hsiang-Ning Sun | 2003-04-22 |
| 6506812 | Method of producing rigid foams and products produced therefrom | Robert H. Blanpied, James D. Thornsberry, Steven E. Silverberg, C. Harry McMullen, Leonel E. Sanchez +1 more | 2003-01-14 |
| 6482998 | Process for converting oxygenates to olefins with direct product quenching for heat recovery | Keith H. Kuechler | 2002-11-19 |
| 6482999 | Method for improving light olefin selectivity in an oxygenate conversion reaction | Shun C. Fung, Stephen N. Vaughn, Richard B. Hall, Hsiang-Ning Sun, Ron G. Searle +1 more | 2002-11-19 |
| 6455747 | Method for converting oxygenates to olefins | Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby, Hsiang-Ning Sun | 2002-09-24 |
| 6437208 | Making an olefin product from an oxygenate | Keith H. Kuechler, Marcel Janssen, Stephen Vaughn, Shun C. Fung, Nicolas Coute +6 more | 2002-08-20 |
| 6376733 | Process for production of paraxylene | John Michael Ferraro, Robert M. Osman, John Di-Yi Ou, Graeme Ian Cox, Kenneth R. Clem | 2002-04-23 |
| 6306919 | Thermosetting plastic foam | Robert H. Blanpied, James D. Thornsberry, Steven E. Silverberg, C. Harry McMullen, Leonel E. Sanchez +1 more | 2001-10-23 |
| 6294707 | Fluidized bed reactor and process for producing 5-ethylidene-2-norbornene | Christopher L. Becker, Mark Swihart | 2001-09-25 |
| 6121504 | Process for converting oxygenates to olefins with direct product quenching for heat recovery | Keith H. Kuechler | 2000-09-19 |
| 6100435 | Use of catalytic distillation to produce cyclopentane or cyclopentene | Steven E. Silverberg, Leonel E. Sanchez | 2000-08-08 |
| 6093865 | Production of alkenyl bridged ring compounds | Leonel E. Sanchez, Christopher L. Becker, Bruce C. Devoy | 2000-07-25 |
| 6063976 | Process to alkylate an aromatic with a dilute stream comprising propylene and ethylene | Dan E. Hendriksen, Jos Wristers | 2000-05-16 |
| 6023005 | Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits | Hsiang-Ning Sun, Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby | 2000-02-08 |
| 6011189 | Method of producing rigid foams and products produced therefrom | Robert H. Blanpied, James D. Thornsberry, Steven E. Silverberg, C. Harry McMullen, Leonel E. Sanchez +1 more | 2000-01-04 |
| 6002057 | Alkylation process using zeolite beta | Dan E. Hendriksen, Mechilium Johannes Gerardus Janssen | 1999-12-14 |
| 5998683 | Process for forming cyclopentane from dicyclopentadiene | C. Harry McMullen, Leonel E. Sanchez, Steven E. Silverberg, Tronze-I Dennis Wu | 1999-12-07 |
| 5866626 | Method of producing rigid foams and products produced therefrom | Robert H. Blanpied, James D. Thornsberry, Steven E. Silverberg, C. Harry McMullen, Leonel E. Sanchez +1 more | 1999-02-02 |
| 5847018 | Method of producing rigid foams and products produced therefrom | Robert H. Blanpied, James D. Thornsberry, Steven E. Silverberg, C. Harry McMullen, Leonel E. Sanchez +1 more | 1998-12-08 |