Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7102051 | Treatment of molecular sieves with silicon containing compounds | Stephen N. Vaughn, Jar-Lin Kao, Hsiang-Ning Sun | 2006-09-05 |
| 7087794 | Oxygenate conversion in the presence of highly unsaturated compounds | Michael A. Risch | 2006-08-08 |
| 7038097 | Dual bed process using two different catalysts for selective hydrogenation of acetylene and dienes | Michel Molinier, Michael A. Risch, John S. Buchanan | 2006-05-02 |
| 6987208 | Process for removing oxygenates from an olefinic stream | Michael A. Risch, Teng Xu, Keith H. Kuechler, James H. Beech, Jr., James R. Lattner +1 more | 2006-01-17 |
| 6878855 | Process for producing para-xylene | Harry W. Deckman, Ronald R. Chance, James Alexander McHenry, Juan Reinoso | 2005-04-12 |
| 6841510 | Treatment of molecular sieves with silicon containing compounds | Stephen N. Vaughn, Jar-Lin Kao, Hsiang-Ning Sun | 2005-01-11 |
| 6717025 | Process for removing oxygenates from an olefinic stream | Michael A. Risch, Teng Xu, Keith H. Kuechler, James H. Beech, Jr., James R. Lattner +1 more | 2004-04-06 |
| 6613708 | Catalyst selectivation | Youchang Xie, Biying Zhao, Xiangyun Long, Xiawan Yang, Lili Guan | 2003-09-02 |
| 6489527 | Process for improving purity of para-xylene product | Harold W. Helmke, Dana L. Pilliod | 2002-12-03 |
| 6459006 | Selective methylation to para-xylene using fuel syngas | Thomas J. Waddick | 2002-10-01 |
| 6388156 | Direct selective synthesis of para-xylene by reacting an aromatic compound with a methylating agent formed from CO, Co2 and H2 | Gary F. Janda, Zongxuan Hong, Russell D. Sellen | 2002-05-14 |
| 6376733 | Process for production of paraxylene | John Michael Ferraro, Robert M. Osman, Graeme Ian Cox, James R. Lattner, Kenneth R. Clem | 2002-04-23 |
| 6069288 | Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons | Stephen N. Vaughn, Lawrence G. Daniel | 2000-05-30 |
| 6060633 | Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions | Frank J. Chen, Christophe Le Deore, Thierry Hamaide, Alain Guyot, Ven Pinjala | 2000-05-09 |
| 5952541 | Method of loading hydrogen halide onto an adsorbent to enable removal of lead impurities from liquid hydrocarbons | Daniel D. Rosenfeld | 1999-09-14 |
| 5756873 | Design for aromatics alkylation | — | 1998-05-26 |
| 5463167 | Mercury removal by dispersed-metal adsorbents | — | 1995-10-31 |
| 5442040 | Extraction of selection hydrocarbons from a hydrocarbon stream using a carbon adsorbent | — | 1995-08-15 |
| 5208367 | Process for recovery of vinyl acetate | — | 1993-05-04 |
| 5167797 | Removal of sulfur contaminants from hydrocarbons using N-halogeno compounds | — | 1992-12-01 |
| 5120881 | Removal of nitrogenous components of a hydrocarbon feedstream | Daniel D. Rosenfeld | 1992-06-09 |
| 5107061 | Removal of organochlorides from hydrocarbon feed streams | Daniel D. Rosenfeld | 1992-04-21 |
| 4961881 | Process for separating triglycerides and regenerating absorbent used in said separation process | — | 1990-10-09 |