Patents by Inventor Zhiping Shan
Zhiping Shan 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).
-
Patent number: 9579643Abstract: A process for preparing a catalyst by selecting an active catalyst and contacting the active catalyst with one or more fluids containing an organic solvent or mixture of organic solvents. In one embodiment, each organic solvent has a dielectric constant within a range of about 5 to about 55 when measured at a temperature of 20° C. to 25° C. The catalyst thus prepared may be used in a process for preparing maleic anhydride.Type: GrantFiled: February 20, 2013Date of Patent: February 28, 2017Assignee: HUNTSMAN PETROCHEMICAL LLCInventor: Zhiping Shan
-
Patent number: 9278341Abstract: Embodiments of the present invention disclose improved micro-pore catalyst structures containing catalytic material comprised of mixed oxides of vanadium and phosphorus and using such improved micro-pore catalyst structures for the production of maleic anhydride.Type: GrantFiled: March 11, 2014Date of Patent: March 8, 2016Assignee: HUNTSMAN PETROCHEMICAL LLCInventor: Zhiping Shan
-
Publication number: 20140194631Abstract: Embodiments of the present invention disclose improved micro-pore catalyst structures containing catalytic material comprised of mixed oxides of vanadium and phosphorus and using such improved micro-pore catalyst structures for the production of maleic anhydride.Type: ApplicationFiled: March 11, 2014Publication date: July 10, 2014Applicant: Huntsman Petrochemical LLCInventor: Zhiping Shan
-
Patent number: 8728972Abstract: Embodiments of the present invention disclose improved micro-pore catalyst structures containing catalytic material comprised of mixed oxides of vanadium and phosphorus and using such improved micro-pore catalyst structures for the production of maleic anhydride.Type: GrantFiled: October 8, 2009Date of Patent: May 20, 2014Assignee: Huntsman Petrochemical LLCInventor: Zhiping Shan
-
Publication number: 20130217897Abstract: An oxidation catalyst comprising vanadium, phosphorus, and oxygen having average vanadium valence less than about 4.10, and a method of preparing such catalyst, is provided. The catalyst has side crush strength of at least about 5 lbs. and improved yield of maleic anhydride from n-butane between about 1% and about 6% absolute. The catalyst is formed by exposing a conventional active VPO catalyst having average vanadium valence between about 4.10 and about 4.40 to an organic solvent having a dielectric constant between about 5 and about 55 under conditions that facilitate an oxidation-reduction reaction, reducing the valence of the vanadium below 4.10.Type: ApplicationFiled: August 24, 2011Publication date: August 22, 2013Applicant: HUNTSMAN PETROCHEMICAL LLCInventors: Zhiping Shan, Michael J. Mummey, William S. Frazee, Bennie A. Horrell
-
Patent number: 8404614Abstract: A process for preparing a catalyst by selecting an active catalyst and contacting the active catalyst with one or more fluids containing an organic solvent or mixture of organic solvents. In one embodiment, each organic solvent has a dielectric constant within a range of about 5 to about 55 when measured at a temperature of 20° C. to 25° C. The catalyst thus prepared may be used in a process for preparing maleic anhydride.Type: GrantFiled: October 22, 2008Date of Patent: March 26, 2013Assignee: Huntsman Petrochemical LLCInventor: Zhiping Shan
-
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
-
Publication number: 20110201830Abstract: Embodiments of the present invention disclose improved micro-pore catalyst structures containing catalytic material comprised of mixed oxides of vanadium and phosphorus and using such improved micro-pore catalyst structures for the production of maleic anhydride.Type: ApplicationFiled: October 8, 2009Publication date: August 18, 2011Applicant: Huntsman Petrochemical LLCInventor: Zhiping Shan
-
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
-
Publication number: 20100210858Abstract: A process for preparing a catalyst by selecting an active catalyst and contacting the active catalyst with one or more fluids containing an organic solvent or mixture of organic solvents. In one embodiment, each organic solvent has a dielectric constant within a range of about 5 to about 55 when measured at a temperature of 20° C. to 25° C. The catalyst thus prepared may be used in a process for preparing maleic anhydride.Type: ApplicationFiled: October 22, 2008Publication date: August 19, 2010Applicant: Huntsman Petrochemiccal LLCInventor: Zhiping Shan
-
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
-
Patent number: 7608747Abstract: A process for the selective ring opening of ring-containing hydrocarbons in a feed stream having at least 10% ring-containing hydrocarbons includes contacting the feed stream with a ring opening catalyst containing a metal or a mixture of metals active for the selective ring opening of the ring-containing hydrocarbons on a support material, wherein the support material is a non-crystalline, porous inorganic oxide or mixture of inorganic oxides having at least 97 volume percent interconnected mesopores based on micropores and mesopores, and wherein the ring-containing hydrocarbons have at least one C6 ring and at least one substituent selected from the group consisting of fused 5- or 6-membered rings, alkyl, cycloalkyl and aryl groups.Type: GrantFiled: September 23, 2005Date of Patent: October 27, 2009Assignee: Lummus Technology Inc.Inventors: Bala Ramachandran, Lawrence L. Murrell, Martin Kraus, Zhiping Shan, Philip J. Angevine
-
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
-
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
-
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
-
Publication number: 20080053902Abstract: Methods are provided for separation of substances using non-crystalline, amorphous inorganic oxides having mesoporosity or combined meso- and microporosity. The amorphous inorganic oxide may have a separating agent, such as a chemical functional group, bonded or attached to the surfaces within the pores. The amorphous inorganic material is exposed to a fluid containing two or more materials to be separated. At least one material contained in the fluid is preferentially retained by the amorphous inorganic oxide either on the surface of the inorganic oxide within the pores or by interaction with a separating agent group attached to the pore surfaces.Type: ApplicationFiled: August 31, 2006Publication date: March 6, 2008Inventors: Johannes Koegler, Zhiping Shan, Xingtao Gao, Philip Angevine, Jacobus Jansen
-
Publication number: 20080009652Abstract: Processes for forming butyric acid are provided. In one process, maleic anhydride is formed by oxidizing a hydrocarbon containing gas. The maleic anhydride is then hydrogenated in the presence of a hydrogenation catalyst to form butyric acid. The selectivity of maleic anhydride to butyric acid is at least about 35 molar percent.Type: ApplicationFiled: July 5, 2007Publication date: January 10, 2008Applicant: Huntsman Petrochemical CorporationInventor: Zhiping Shan
-
Publication number: 20070170096Abstract: Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Option-ally, 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: ApplicationFiled: March 21, 2007Publication date: July 26, 2007Inventors: Zhiping Shan, Jacobus Jansen, Chuen Yeh, Philip Angevine, Thomas Maschmeyer
-
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
-
Publication number: 20060264318Abstract: 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: ApplicationFiled: June 2, 2006Publication date: November 23, 2006Inventors: Zhiping Shan, Peter Waller, Bowden Maingay, Philip Angevine, Jacobus Jansen, Chuen Yeh, Thomas Maschmeyer, Frits Dautzenberg, Leonardo Marchese, Heloise Pastore