Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933284 | Process for the production of butadiene | Stephen C. Arnold, Anne Mae Gaffney, Lawrence J. Karas, Chuen Y. Yeh, Ruozhi Song | 2015-01-13 |
| 8303804 | Process to improve jet fuels | Terry E. Helton, William J. Tracy, III, Michael T. Grove, Dennis H. Hoskin, David A. Pappal | 2012-11-06 |
| 8293960 | Process for the production of butadiene | Stephen C. Arnold, Anne Mae Gaffney, Lawrence J. Karas, Chuen Y. Yeh, Ruozhi Song | 2012-10-23 |
| 8105968 | Bimetallic alkylation catalysts | Anne Mae Gaffney, Cheun Yuan Yeh, Johannes Hendrik Koegler, Jingguang Chen, Emanuel Hermanus van Broekhoven | 2012-01-31 |
| 7985400 | Method for making mesoporous or combined mesoporous and microporous inorganic oxides | Zhiping Shan, Xintao Gao, Chuen Y. Yeh, Martin Kraus | 2011-07-26 |
| 7663011 | Mesoporous material with active metals | Zhiping Shan, Jacobus Cornelis Jansen, Chuen Y. Yeh, Thomas Maschmeyer, Mohamed S. Hamdy | 2010-02-16 |
| 7608747 | Aromatics hydrogenolysis using novel mesoporous catalyst system | Bala Ramachandran, Lawrence L. Murrell, Martin Kraus, Zhiping Shan | 2009-10-27 |
| 7550405 | Zeolite composite, method for making and catalytic application thereof | Zhiping Shan, Peter Wilhelm Gerhard Waller, Bowden George Maingay, Jacobus Cornelis Jansen, Chuen Y. Yeh +4 more | 2009-06-23 |
| 7510644 | Zeolites and molecular sieves and the use thereof | Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Yun-Feng Chang +1 more | 2009-03-31 |
| 7495143 | Hydrocarbon conversion using nanocrystalline zeolite Y | Xingtao Gao, Johannes Hendrik Koegler, Lawrence L. Murrell | 2009-02-24 |
| 7470645 | Zeolite composite, method for making and catalytic application thereof | Zhiping Shan, Peter Wilhelm, Bowden George Maingay, Jacobus Cornelis Jansen, Chuen Y. Yeh +4 more | 2008-12-30 |
| 7442290 | Mesoporous aluminum oxide, preparation and use thereof | Zhiping Shan, Jacobus Jansen, Chuen Y. Yeh, Thomas Maschmeyer | 2008-10-28 |
| 7371910 | Process for benzene alkylation and transalkylation of polyalkylated aromatics over improved zeolite beta catalyst | Chuen Y. Yeh, Jinsuo Xu | 2008-05-13 |
| 7361797 | Hydrocarbon conversion using nanocrystalline zeolite Y | Xingtao Gao, Johannes Hendrik Koegler, Lawrence L. Murrell | 2008-04-22 |
| 7304199 | Solid acid catalyst and method of using same | Jinsuo Xu, Chuen Y. Yeh | 2007-12-04 |
| 7261805 | Process for catalytic dewaxing and catalytic cracking of hydrocarbon streams | Michael T. Grove, Randall D. Partridge, Terry E. Helton, David A. Pappal, Dominick N. Mazzone | 2007-08-28 |
| 7211238 | Mesoporous aluminum oxide, preparation and use thereof | Zhiping Shan, Jacobus Jansen, Chuen Y. Yeh, Thomas Maschmeyer | 2007-05-01 |
| 7091365 | Process for olefin epoxidation and co-production of nylon precursor | Zhiping Shan, Chuen Y. Yeh, Frits Dautzenberg, Jacobus Cornelis Jansen | 2006-08-15 |
| 7084087 | Zeolite composite, method for making and catalytic application thereof | Zhiping Shan, Peter Wilhelm Gerhard Waller, Bowden George Maingay, Jacobus Cornelis Jansen, Chuen Y. Yeh +4 more | 2006-08-01 |
| 6930219 | Mesoporous material with active metals | Zhiping Shan, Jacobus Jansen, Chuen Y. Yeh, Thomas Maschmeyer, Mohamed S. Hamdy | 2005-08-16 |
| 6844479 | Alkylation process | Chuen Y. Yeh, Xingtao Gao | 2005-01-18 |
| 6809055 | Zeolites and molecular sieves and the use thereof | Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Yun-Feng Chang +1 more | 2004-10-26 |
| 6793911 | Nanocrystalline inorganic based zeolite and method for making same | Johannes Hendrik Koegler, Chuen Y. Yeh | 2004-09-21 |
| 6676829 | Process for removing sulfur from a hydrocarbon feed | Anna B. Gorshteyn, Larry A. Green, Yuk-Mui Louie, David A. Pappal, Peter J. Owens +2 more | 2004-01-13 |
| 6652735 | Process for isomerization dewaxing of hydrocarbon streams | Thomas F. Degnan | 2003-11-25 |