Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 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 |