Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247764 | Conversion process | Marcel Janssen, Teng Xu, Cor F. Van Egmond, Keith H. Kuechler, Stephen N. Vaughn | 2007-07-24 |
| 7223714 | Method of transferring catalyst in a reaction system | Neil Vaughn Stephen, Teng Xu, Luc R. M. Martens, Richard E. Walter | 2007-05-29 |
| 7214843 | Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins | Cor. F. Van Egmond, Ronald G. Searle, Michael Nicoletti, David Lumgair | 2007-05-08 |
| 7214636 | Catalyst regenerator for reducing entrained catalyst loss | Richard E. Walter | 2007-05-08 |
| 7119241 | Process for handling catalyst from an oxygenate to olefin reaction | Michael Nicoletti, David Lumgair | 2006-10-10 |
| 7048833 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins | David Lumgair, Michael Nicoletti | 2006-05-23 |
| 7015174 | Maintaining molecular sieve catalytic activity under water vapor conditions | Peter Loezos, Shun C. Fung, Stephen N. Vaughn, Kenneth R. Clem, Nicolas Coute +3 more | 2006-03-21 |
| 6987208 | Process for removing oxygenates from an olefinic stream | Michael A. Risch, Teng Xu, John Di-Yi Ou, Keith H. Kuechler, James R. Lattner +1 more | 2006-01-17 |
| 6965057 | Oxygenate to olefin process | Cor F. Van Egmond, Teng Xu, James R. Lattner | 2005-11-15 |
| 6870072 | Heat recovery in an olefin production process | David Lumgair | 2005-03-22 |
| 6846966 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins | David Lumgair, Michael Nicoletti | 2005-01-25 |
| 6717025 | Process for removing oxygenates from an olefinic stream | Michael A. Risch, Teng Xu, John Di-Yi Ou, Keith H. Kuechler, James R. Lattner +1 more | 2004-04-06 |
| 5986148 | Di-isopropyl ether synthesis and dry product recovery | Douglas C. Miller, Jorge Soto, James A. Stoos, Albert Wu | 1999-11-16 |
| 5942651 | Process for converting C.sub.9 + aromatic hydrocarbons to lighter aromatic products by transalkylation in the prescence of two zeolite-containing catalysts | Stuart D. Hellring, Terry E. Helton, Timothy F. Kinn, Sadi Mizrahi, Norman J. Rouleau | 1999-08-24 |
| 5625113 | Isoparaffin/olefin alkylation | Mohsen N. Harandi, Albin Huss, Jr., Robert A. Ware, Altaf Husain | 1997-04-29 |
| 5405814 | Olefin conversion catalyst regeneration | Weldon K. Bell, W. THOMAS MO, Hye Kyung Cho Timken, Robert A. Ware | 1995-04-11 |
| 5382743 | Skeletal isomerization of n-pentenes using ZSM-35 in the presence of hydrogen | Roland B. Saeger, Robert A. Ware | 1995-01-17 |
| 5324865 | Di-isopropyl ether production | Douglas C. Miller, Jorge Soto, James A. Stoos, Albert Wu | 1994-06-28 |
| 5288924 | Process for starting up an olefin hydration reactor | Charles Sorensen, James A. Stoos, Robert A. Ware | 1994-02-22 |
| 5162591 | Catalytic olefin hydration for ether production | James A. Stoos, Francis P. Ragonese | 1992-11-10 |
| 5138102 | Reactor quenching for catalytic olefin hydration in ether production | James A. Stoos, Stephen S. Wong, Sergei Yurchak | 1992-08-11 |
| 5073351 | Production of middle distillate range hydrocarbons by light olefin upgrading | Hartley Owen, Michael P. Ramage, Samuel A. Tabak | 1991-12-17 |
| 5059738 | Method for reactivating MTG process catalyst | Francis P. Ragonese | 1991-10-22 |
| 5053579 | Process for upgrading unstable naphthas | Francis P. Ragonese, James A. Stoos, Sergei Yurchak | 1991-10-01 |
| 4973790 | Process for upgrading light olefinic streams | Francis P. Ragonese, James A. Stoos, Sergei Yurchak | 1990-11-27 |