Patents by Inventor Chuen Y. Yeh
Chuen Y. Yeh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20110243837Abstract: A method for making a mesoporous or combined mesoporous/microporous inorganic oxide includes reacting a source of inorganic oxide with a complexing agent at a complexation temperature to provide a complex; decomposing the complex to provide a porous material precursor having an inorganic oxide framework containing at least some organic pore-forming agent; and removing the organic pore forming agent from the inorganic oxide framework by solvent extraction and/or calcination.Type: ApplicationFiled: June 15, 2011Publication date: October 6, 2011Applicant: LUMMUS TECHNOLOGY INC.Inventors: Zhiping Shan, Xintao Gao, Chuen Y. Yeh, Philip J. Angevine, Martin Kraus
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Patent number: 7985400Abstract: A method for making a mesoporous or combined mesoporous/microporous inorganic oxide includes reacting a source of inorganic oxide with a complexing agent at a complexation temperature to provide a complex; decomposing the complex to provide a porous material precursor having an inorganic oxide framework containing at least some organic pore-forming agent; and removing the organic pore forming agent from the inorganic oxide framework by solvent extraction and/or calcination.Type: GrantFiled: January 26, 2004Date of Patent: July 26, 2011Assignee: Lummus Technology Inc.Inventors: Zhiping Shan, Xintao Gao, Chuen Y. Yeh, Philip J. Angevine, Martin Kraus
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Patent number: 7663011Abstract: A process for treating organic compounds includes providing a composition which includes a substantially mesoporous structure of refractory oxide containing at least 97% by volume of pores having a pore size ranging from about 15 ? to about 30 ? and having a micropore volume of at least about 0.01 cc/g, wherein the mesoporous structure has incorporated therewith at least about 0.02% by weight of at least one catalytically and/or chemically active heteroatom selected from the group consisting of Al, Ti, V, Cr, Zn, Fe, Sn, Mo, Ga, Ni, Co, In, Zr, Mn, Cu, Mg, Pd, Pt and W, and the catalyst has an X-ray diffraction pattern with one peak at 0.3° to about 3.5° at 2 theta (?). The catalyst is contacted with an organic feed under reaction conditions wherein the treating process is selected from alkylation, acylation, oligomerization, selective oxidation, hydrotreating, isomerization, demetalation, catalytic dewaxing, hydroxylation, hydrogenation, ammoximation, isomerization, dehydrogenation, cracking and adsorption.Type: GrantFiled: August 5, 2005Date of Patent: February 16, 2010Assignee: Lummus Technology Inc.Inventors: Zhiping Shan, Jacobus Cornelis Jansen, Chuen Y. Yeh, Philip J. Angevine, Thomas Maschmeyer, Mohamed S. Hamdy
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Patent number: 7550405Abstract: A catalytic material includes microporous zeolites supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite Beta, zeolite Y (including “ultra stable Y”—USY), mordenite, Zeolite L, ZSM-5, ZSM-11, ZSM-12, ZSM-20, Theta-1, ZSM-23, ZSM-34, ZSM-35, ZSM-48, SSZ-32, PSH-3, MCM-22, MCM-49, MCM-56, ITQ-1, ITQ-2, ITQ-4, ITQ-21, SAPO-5, SAPO-11, SAPO-37, Breck-6, ALPO4-5, etc. The mesoporous inorganic oxide can be e.g., silica or silicate. The catalytic material can be further modified by introducing some metals e.g. aluminum, titanium, molybdenum, nickel, cobalt, iron, tungsten, palladium and platinum. It can be used as catalysts for acylation, alkylation, dimerization, oligomerization, polymerization, hydrogenation, dehydrogenation, aromatization, isomerization, hydrotreating, catalytic cracking and hydrocracking reactions.Type: GrantFiled: June 2, 2006Date of Patent: June 23, 2009Assignee: Lummus Technology Inc.Inventors: Zhiping Shan, Peter Wilhelm Gerhard Waller, Bowden George Maingay, Philip J. Angevine, Jacobus Cornelis Jansen, Chuen Y. Yeh, Thomas Maschmeyer, Frits M. Dautzenberg, Leonardo Marchese, Heloise de Oliveira Pastore
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Patent number: 7510644Abstract: A method for making a zeolite includes providing a reaction mixture containing mixed inorganic oxides and an organic templating agent, heating the reaction mixture, removing the templating agent at a temperature of no greater than 550° C. and under conditions such that the resulting zeolite is has an AAI of at least 1.2. The zeolite is preferably zeolite beta, TEA-mordenite or TEA-ZSM-12.Type: GrantFiled: December 28, 2004Date of Patent: March 31, 2009Assignee: Lummus Technology Inc.Inventors: Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Yun-Feng Chang, Philip Jay Angevine, Johannes Hendrik Koegler
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Patent number: 7470645Abstract: A catalytic material includes microporous zeolites supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite Beta, zeolite Y (including “ultra stable Y”—USY), mordenite, Zeolite L, ZSM-5, ZSM-11, ZSM-12, ZSM-20, Theta-1, ZSM-23, ZSM-34, ZSM-35, ZSM-48, SSZ-32, PSH-3, MCM-22, MCM-49, MCM-56, ITQ-1, ITQ-2, ITQ-4, ITQ-21, SAPO-5, SAPO-11, SAPO-37, Breck-6, ALPO4-5, etc. The mesoporous inorganic oxide can be e.g., silica or silicate. The catalytic material can be further modified by introducing some metals e.g. aluminum, titanium, molybdenum, nickel, cobalt, iron, tungsten, palladium and platinum. It can be used as catalysts for acylation, alkylation, dimerization, oligomerization, polymerization, hydrogenation, dehydrogenation, aromatization, isomerization, hydrotreating, catalytic cracking and hydrocracking reactions.Type: GrantFiled: February 8, 2006Date of Patent: December 30, 2008Assignee: Lummus Technology Inc.Inventors: Zhiping Shan, Peter Wilhelm, Bowden George Maingay, Philip J. Angevine, Jacobus Cornelis Jansen, Chuen Y. Yeh, Thomas Maschmeyer, Frits M. Dautzenberg, Leonardo Marchese, Heloise de Oliveira Pastore
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Patent number: 7442290Abstract: Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high thermal stability and possesses a three-dimensionally randomly connected mesopore network with continuously tunable pore sizes. This material can be used as catalysts for dehydration, hydrotreating, hydrogenation, catalytic reforming, steam reforming, amination, Fischer-Tropsch synthesis and Diels-Alder synthesis, etc.Type: GrantFiled: March 21, 2007Date of Patent: October 28, 2008Assignee: Lummus Technology Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Philip J. Angevine, Thomas Maschmeyer
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Patent number: 7371910Abstract: An aromatic alkylation process includes contacting an aromatic compound with an alkylating agent in the presence of a zeolite beta in a reaction zone under alkylation reaction conditions, wherein said zeolite beta is a high performance zeolite beta possessing a ratio of strong acid sites/weak acid sites greater than 1. The high performance zeolite beta is superior to conventional zeolite beta in the aromatics alkylation reaction, such as benzene alkylation with ethylene for ethylbenzene production, and benzene alkylation with propylene for cumene production.Type: GrantFiled: December 1, 2004Date of Patent: May 13, 2008Assignee: Lummus Technology Inc.Inventors: Chuen Y. Yeh, Jinsuo Xu, Philip J. Angevine
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Publication number: 20080032886Abstract: A doped solid acid catalyst composition comprising at least one solid acid catalyst, at least one metal promoter for solid acid catalyst (a), at least one basic dopant for solid acid catalyst (a), at least one noble metal; and, optionally, at least one refractory binder.Type: ApplicationFiled: August 3, 2006Publication date: February 7, 2008Inventors: Chuen Y. Yeh, Jinsuo Xu, Philip J. Angevine
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Patent number: 7304199Abstract: A catalyst composition includes an oxygen compound of an element selected from Group IVB or Group IVA of the Periodic Table of the Elements; an oxygen compound of an element selected from Group VIB or Group VIA of the Periodic Table of the Elements; and at least about 1% by weight based upon total catalyst weight of fumed silica particles. The catalyst composition is advantageously employed in hydrocarbon conversion processes such as isomerization.Type: GrantFiled: April 14, 2004Date of Patent: December 4, 2007Assignee: ABB Lummus Global Inc.Inventors: Jinsuo Xu, Chuen Y. Yeh, Philip J. Angevine
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Patent number: 7211238Abstract: Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high thermal stability and possesses a three-dimensionally randomly connected mesopore network with continuously tunable pore sizes. This material can be used as catalysts for dehydration, hydrotreating, hydrogenation, catalytic reforming, steam reforming, amination, Fischer-Tropsch synthesis and Diels-Alder synthesis, etc.Type: GrantFiled: March 8, 2004Date of Patent: May 1, 2007Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Philip J. Angevine, Thomas Maschmeyer
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Patent number: 7091365Abstract: An integrated process combines olefin epoxidation with production of cyclohexanone and cyclohexanol for nylon. Cyclohexanone and cyclohexanol normally produced by the oxidation of cyclohexane, in which cyclohexyl hydroperoxide is generated and is removed or decomposed down stream. However, this invention utilizes the intermediate of cyclohexyl hydroperoxide as an oxidant for the olefin epoxidation and meanwhile generates a valuable product.Type: GrantFiled: March 8, 2004Date of Patent: August 15, 2006Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Chuen Y. Yeh, Philip J. Angevine, Frits M. Dautzenberg, Jacobus Cornelis Jansen
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Patent number: 7084087Abstract: A catalytic material includes microporous zeolites supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite Beta, zeolite Y (including “ultra stable Y”—USY), mordenite, Zeolite L, ZSM-5, ZSM-11, ZSM-12, ZSM-20, Theta-1, ZSM-23, ZSM-34, ZSM-35, ZSM-48, SSZ-32, PSH-3, MCM-22, MCM-49, MCM-56, ITQ-1, ITQ-2, ITQ-4, ITQ-21, SAPO-5, SAPO-11, SAPO-37, Breck-6, ALPO4-5, etc. The mesoporous inorganic oxide can be e.g., silica or silicate. The catalytic material can be further modified by introducing some metals e.g. aluminum, titanium, molybdenum, nickel, cobalt, iron, tungsten, palladium and platinum. It can be used as catalysts for acylation, alkylation, dimerization, oligomerization, polymerization, hydrogenation, dehydrogenation, aromatization, isomerization, hydrotreating, catalytic cracking and hydrocracking reactions.Type: GrantFiled: October 22, 2003Date of Patent: August 1, 2006Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Peter Wilhelm Gerhard Waller, Bowden George Maingay, Philip J. Angevine, Jacobus Cornelis Jansen, Chuen Y. Yeh, Thomas Maschmeyer, Frits M. Dautzenberg, Leonardo Marchese, Heloise de Oliveira Pastore
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Patent number: 6946107Abstract: An apparatus for converting at least one nitrogen oxide, such as NO, O2, or N2O converts oxide in the presence of a catalyst supported on a metal mesh-like structure. The mesh-like structure is preferably fibrous formed of metal or ceramic fibers which may include knitted wire, sintered metal fibers and so on and has a porosity greater than about 85%. The mesh is formed into channels, preferably corrugations, and includes vortex generators, which generate turbulence to create a pressure differential across the mesh, to promote flow of fluids through the mesh pores which normally do not exhibit flow therethrough in the absence of such pressure differential. Preferred embodiments of structured packing and monoliths are disclosed each having a catalyst preferably in the mesh pores and/or coated on the fibers for converting the nitrogen oxide.Type: GrantFiled: March 10, 2003Date of Patent: September 20, 2005Assignee: ABB Lummus Global, Inc.Inventors: Joakim A. Carlborg, Yun-Feng Chang, Lawrence L. Murrell, Robert E. Trubac, Rudolf A. Overbeek, Verena R. Schmidt, Chuen Y. Yeh, Lothar Schuh
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Patent number: 6930219Abstract: A process for treating organic compounds includes providing a composition which includes a substantially mesoporous structure of silica containing at least 97% by volume of pores having a pore size ranging from about 15 ? to about 30 ? and having a micropore volume of at least about 0.01 cc/g, wherein the mesoporous structure has incorporated therewith at least about 0.02% by weight of at least one catalytically and/or chemically active heteroatom selected from the group consisting of Al, Ti, V, Cr, Zn, Fe, Sn, Mo, Ga, Ni, Co, In, Zr, Mn, Cu, Mg, Pd, Pt and W, and the catalyst has an X-ray diffraction pattern with one peak at 0.3° to about 3.5° at 2?. The catalyst is contacted with an organic feed under reaction conditions wherein the treating process is selected from alkylation, acylation, oligomerization, selective oxidation, hydrotreating, isomerization, demetalation, catalytic dewaxing, hydroxylation, hydrogenation, ammoximation, isomerization, dehydrogenation, cracking and adsorption.Type: GrantFiled: December 6, 2002Date of Patent: August 16, 2005Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Philip J. Angevine, Thomas Maschmeyer, Mohamed S. Hamdy
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Patent number: 6930217Abstract: A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic oxide can be, e.g., silica or alumina, and can optionally include other metals. Methods for making and using the catalytic material are described herein.Type: GrantFiled: June 24, 2004Date of Patent: August 16, 2005Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Johannes Hendrik Koegler, Thomas Maschmeyer
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Patent number: 6844479Abstract: A process for the alkylation of paraffins with olefins includes contacting the paraffin with the olefin under alkylation conditions with a zeolite having an AAI number of at least about 1.0. In a preferred process isobutane is alkylated with cis-2-butene to produce a high octane (RON) gasoline product containing trimethylpentane isomers.Type: GrantFiled: April 24, 2003Date of Patent: January 18, 2005Assignee: ABB Lummus Global Inc.Inventors: Chuen Y. Yeh, Xingtao Gao, Philip J. Angevine
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Patent number: 6809055Abstract: An improved zeolite having a high number of strong acid sites wherein said zeolite has an AAI of at least 1.0. In a preferred embodiment, such zeolite is produced by controlling conditions after production of the crystalline structure such that loss of tetrahedral aluminum is minimized to thereby provide a zeolite with the above defined AAI.Type: GrantFiled: October 17, 2001Date of Patent: October 26, 2004Assignee: ABB Lummus Global, Inc.Inventors: Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Yun-Feng Chang, Philip Jay Angevine, Johannes Hendrik Koegler
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Patent number: 6793911Abstract: A method for making a zeolite includes impregnating a porous inorganic oxide with a liquid solution containing an inorganic micropore-forming directing agent. The amount of liquid solution is no more than about 100% of the pore volume of the porous inorganic oxide, and the concentration of the directing agent in the liquid solution ranges from 21% to about 60% by weight. The impregnated amorphous inorganic oxide is heated at a synthesis temperature of from about 50° C. to about 150° C. for a duration of time sufficient to form a zeolite-containing product. The method herein is advantageous for the transformation of a mesoporous or macroporous amorphous inorganic material to a composite structure containing the original mesoporous or macropores, but wherein at least some of the porous inorganic oxide material is converted to nanocrystalline zeolite, such as zeolite Y.Type: GrantFiled: February 5, 2002Date of Patent: September 21, 2004Assignee: ABB Lummus Global Inc.Inventors: Johannes Hendrik Koegler, Chuen Y. Yeh, Philip J. Angevine
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Publication number: 20040181104Abstract: A dehydrogenation catalyst includes an organometallic pincer complex bonded to a mesoporous inorganic oxide support, the organometallic pincer complex possessing catalytic activity for alkyl group dehydrogenation. The pincer complex includes at least one element selected from Group VIII or Group IB of the Periodic Table of the elements, and at least one element selected from Group VA of the Periodic Table of the elements in each of two molecular arms, the Group VIII or Group IB element being bonded to each of the Group VA elements. The catalyst is advantageously employed in conjunction with catalytic distillation to permit the dehydrogenation of organic compounds at lower temperatures and at lower cost than conventional methods.Type: ApplicationFiled: March 2, 2004Publication date: September 16, 2004Applicant: ABB Lummus Global Inc.Inventors: Chuen Y. Yeh, Zhiping Shan, Philip J. Angevine, Dinesh Gandhi