Heavy Metal Containing Catalyst Patents (Class 568/956)
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Patent number: 9527791Abstract: The invention relates to the production of acrolein and/or acrylic acid from glycerol, and more particularly to a method for continuous production of a stream comprising acrolein by dehydration of glycerol, comprising cycles of reaction and regeneration of a dehydration catalyst.Type: GrantFiled: April 3, 2013Date of Patent: December 27, 2016Assignee: Arkema FranceInventors: Jean-Francois Devaux, Michel Fauconet, Nabil Tlili
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Patent number: 9463428Abstract: Described are catalyst compositions, oxidizable-gas burner systems, methods of oxidizing oxidizable gas, and methods of preparing catalyst compositions and oxidizable-gas burner systems.Type: GrantFiled: December 17, 2012Date of Patent: October 11, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Aaron R. Beaber, Badri Veeraraghavan, Evan Koon Lun Yuuji Hajime, Thomas E. Wood, Amy S. Barnes
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Patent number: 8501664Abstract: A process for treating a carrier, or a precursor thereof, to at least partly remove impurities comprising contacting the carrier, or the precursor thereof, with a treatment solution comprising a salt; a process for preparing a catalyst; the catalyst; a process for preparing an olefin oxide by reacting an olefin with oxygen in the presence of the catalyst; and a process for preparing a 1,2-diol, a 1,2-diol ether or an alkanolamine.Type: GrantFiled: November 15, 2007Date of Patent: August 6, 2013Assignee: Shell Oil CompanyInventors: John Robert Lockemeyer, Randall Clayton Yeates
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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
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Patent number: 8143461Abstract: The present invention provides a process for producing a vanadium/phosphorus oxide catalyst by (i) preparing a catalyst precursor powder containing vanadium, phosphorus and an optional promoter element; (ii) converting the catalyst precursor powder into an activated catalyst by heat treatment; (iii) and compressing the activated catalyst into a desired shape to form the vanadium/phosphorus oxide catalyst. The vanadium/phosphorus oxide catalyst may be used in the production of maleic anhydride by the catalytic oxidation of hydrocarbon feed streams.Type: GrantFiled: August 24, 2007Date of Patent: March 27, 2012Assignee: Huntsman Petrochemical LLCInventor: Matthew W. Forkner
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Patent number: 7932408Abstract: The invention is directed to a catalyst for the epoxidation of an olefin to an olefin oxide, the catalyst comprising a support having at least two pore size distributions, each pore size distribution possessing a different mean pore size and a different pore size of maximum concentration, the catalyst further comprising a catalytically effective amount of silver, a promoting amount of rhenium, and a promoting amount of one or more alkali metals, wherein the at least two pore size distributions are within a pore size range of about 0.01 ?m to about 50 ?m. The invention is also directed to a process for the oxidation of an olefin to an olefin oxide using the above-described catalyst.Type: GrantFiled: January 27, 2009Date of Patent: April 26, 2011Assignee: Scientific Design Company, Inc.Inventor: Christian Gückel
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Patent number: 7858814Abstract: The invention relates to polyoxometalates represented by the formula (An)m+ [Ru2L2(XW11O39)2WO2]m? or solvates thereof, wherein A is a cation, n is the number of the cations, m is the charge of the polyanion, L is a ligand bound to ruthenium and is independently selected from group consisting of water, unsubstituted or substituted arenes, unsubstituted or substituted heteroarenes, unsaturated hydrocarbons, ethers, unsubstituted or substituted allyl, unsubstituted or substituted alkanes, nitriles, carboxylates, peroxides, peracids, phosphines, phosphanes, CO, OH?, peroxo, carbonate, NO3?, NO2?, NO?, NH3, amines, F?, Cl?, Br?, I?, SCN?, NCS?, NCO? and mixtures thereof and X is a heteroatom selected from Si, Ge, B and mixtures thereof, a process for their preparation and their use for the catalytic oxidation of organic molecules.Type: GrantFiled: June 20, 2008Date of Patent: December 28, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Ulrich Kortz, Elena Vladimirovna Chubarova, Nadeen Hassan Nsouli
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Publication number: 20100016644Abstract: The present invention provides a process for producing a vanadium/phosphorus oxide catalyst by (i) preparing a catalyst precursor powder containing vanadium, phosphorus and an optional promoter element; (ii) converting the catalyst precursor powder into an activated catalyst by heat treatment; (iii) and compressing the activated catalyst into a desired shape to form the vanadium/phosphorus oxide catalyst. The vanadium/phosphorus oxide catalyst may be used in the production of maleic anhydride by the catalytic oxidation of hydrocarbon feed streams.Type: ApplicationFiled: August 24, 2007Publication date: January 21, 2010Applicant: Huntsman Petrochemical CorporationInventor: Matthew W. Forkner
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Publication number: 20090227820Abstract: A geometrically shaped solid carrier is provided that improves the performance and effectiveness of an olefin epoxidation catalyst for epoxidizing an olefin to an olefin oxide. In particular, improved performance and effectiveness of an olefin epoxidation catalyst is achieved by utilizing a geometrically shaped refractory solid carrier in which at least one wall thickness of said carrier is less than 2.5 mm.Type: ApplicationFiled: March 10, 2008Publication date: September 10, 2009Applicant: SD LIZENZVERWERTUNGSGESELLSCHAFT MBH & CO. KGInventors: Serguei Pak, Andrzej Rokicki, Howard Sachs
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Publication number: 20090216052Abstract: The invention relates to polyoxometalates represented by the formula (An)m+ [M13X8RqOy]m? or solvates thereof, wherein A represents a cation, n is the number of the cations, m is the charge of the polyanion, M represents a transition metal selected from Pd, Pt, Au, Rh, Ir and mixtures thereof, X represents a heteroatom selected from As, Sb, Bi, P, Si, Ge, B, Al, Ga, S, Se, Te and mixtures thereof, and y is the number of oxygen atoms ranging from 32 to 40, a process for their preparation and their use for the catalytic oxidation of organic molecules.Type: ApplicationFiled: February 26, 2008Publication date: August 27, 2009Inventors: Elena Vladimirovna Chubarova, Ulrich Kortz
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Publication number: 20090198076Abstract: The invention is directed to a catalyst for the epoxidation of an olefin to an olefin oxide, the catalyst comprising a support having at least two pore size distributions, each pore size distribution possessing a different mean pore size and a different pore size of maximum concentration, the catalyst further comprising a catalytically effective amount of silver, a promoting amount of rhenium, and a promoting amount of one or more alkali metals, wherein the at least two pore size distributions are within a pore size range of about 0.01 ?m to about 50 ?m. The invention is also directed to a process for the oxidation of an olefin to an olefin oxide using the above-described catalyst.Type: ApplicationFiled: January 27, 2009Publication date: August 6, 2009Applicant: Scientific Design Company, Inc.Inventor: Christian Guckel
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Publication number: 20090177016Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 ?m represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.Type: ApplicationFiled: March 10, 2009Publication date: July 9, 2009Applicant: Sell Oil CompanyInventors: John Robert LOCKEMEYER, Randall Clayton Yeates, Thomas Szymanski, Donald James Remus, William Herman Gerdes
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Publication number: 20090171118Abstract: The invention concerns a compound comprising a combination of two crystal phases. The first crystal phase corresponds to the formula: AaEbVcModPeOfHg wherein A is an alkali-metal; E is Te, Sb or Bi; and 0?a?3, 0<b?3, 0?c?3, 0<d?13, 0<e?2, 0?g?3. The second crystal phase corresponds to the formula ZgMohXiOj wherein: Z is selected among trivalent rare earths; X is selected among the elements V, Ga, Fe, Bi, Ce, Ti, Sb, Mn, Zn, Te; and 0<g?3, 0?h?3, 0?i?1. The indices f and j represent the number of oxygen atoms required for satisfying the relative valency and atomic proportions of the elements present. The invention also concerns the method for preparing said compound, and its use in particular as catalyst for oxidizing alkanes.Type: ApplicationFiled: February 14, 2007Publication date: July 2, 2009Inventors: Jean-Marc Millet, Philippe Lacorre, Quyen Huynh
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Patent number: 7417008Abstract: The invention relates to supported polyoxometalates represented by the formula (An)m+ [M4(H2O)10(XW9O33)2]m? or solvates thereof, wherein A represents a cation, n is the number of cations, m is the charge of the polyoxoanion, M is a transition metal, and X is an element selected from the group consisting of As, Sb, Bi, Se and Te, characterized in that the polyoxometalate is supported on a solid support selected from the group consisting of Al2O3, MgO, TiO2, ZrO2, SiO2, mesoporous silica, active carbon, diatomite, clays, zeolites, polyoxometalate salts and mixtures thereof, with the proviso that the polyoxometalate salt supports are different from the supported polyoxometalates defined by the above formula, a process for their preparation and their use for the catalytic oxidation of organic molecules.Type: GrantFiled: May 31, 2006Date of Patent: August 26, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Ryan M. Richards, Ulrich Kortz, Lihua Bi, Kake Zhu
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Publication number: 20080188695Abstract: A process for regenerating a catalyst bed deactivated in the course of a heterogeneously catalyzed partial dehydrogenation of a hydrocarbon, in which a gas comprising molecular oxygen is conducted at elevated temperature through the deactivated catalyst bed and, in the course of the regeneration, the content of molecular oxygen in the regeneration gas is increased repeatedly and the increase in the carbon oxide content of the regeneration gas as it flows through the deactivated catalyst bed is restricted to values of ?5% by volume.Type: ApplicationFiled: February 4, 2008Publication date: August 7, 2008Applicant: BASF SEInventors: Martin DIETERLE, Gotz-Peter Schindler, Catharina Horstmann, Klaus Joachim Muller-Engel
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Publication number: 20080171897Abstract: A process for preparing a multielement oxide composition comprising the element iron in oxidic form, in which the source of the elemental constituent of iron used is an aqueous iron nitrate solution whose preparation comprises the melting of a solid hydrate of iron nitrate.Type: ApplicationFiled: January 14, 2008Publication date: July 17, 2008Applicant: BASF AktiengesellschaftInventors: Andreas Raichle, Holger Borchert, Klaus Joachim Muller-Engel, Ulrich Cremer
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Publication number: 20080164443Abstract: Processes are disclosure which comprise alternately contacting an oxygen-carrying catalyst with a reducing substance, or a lower partial pressure of an oxidizing gas, and then with the oxidizing gas or a higher partial pressure of the oxidizing gas, whereby the catalyst is alternately reduced and then regenerated to an oxygenated state. In certain embodiments, the oxygen-carrying catalyst comprises at least one metal oxide-containing material containing a composition having one of the following formulas: (a) CexByB?zB?O?, wherein B=Ba, Sr, Ca, or Zr; B?=Mn, Co, or Fe; B?=Cu; 0.01<x<0.99; 0<y<0.6; 0<z<0.5; and 1<?<2.2; (b) SrvLawBxB?yB?zO?, wherein B=Co or Fe; B?=Al or Ga; B?=Cu; 0.01<v<1.4; 0.1<w<1.6; 0.1<x<1.9; 0.1<y<0.9; 0<z<2.2; and 3<?<5.5).Type: ApplicationFiled: September 20, 2007Publication date: July 10, 2008Applicant: ELTRON RESEARCH & DEVELOPMENT, INC.Inventors: James H. White, Erick J. Schutte, Sara L. Rolfe
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Publication number: 20080139841Abstract: Oxidations of hydrocarbons, cycloalkanes and alkenes, arylalkanes, and a variety of other organic substrates are accomplished by cobalt-N-hydroxysuccinimide co-catalyzed reactions with dioxygen under unusually mild, near ambient conditions of temperature and pressure. The improved safety of the oxidation method and the high yields of product obtained make use of a unique combination of cobalt (II) complexes with N-hydroxysuccinimide. These autoxidation reactions do not have prolonged initiation times. Many of these reactions can be safely performed under normal chemical laboratory conditions and do not require specialized equipment or reagents.Type: ApplicationFiled: November 2, 2007Publication date: June 12, 2008Applicant: University of KansasInventors: Richard S. Givens, Chi Cheng Ma, Daryle H. Busch, Bala Subramaniam, Bhuma Rajagopalan
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Publication number: 20080128656Abstract: Process of depositing nanoparticles of a metal or of an alloy of said metal, said metal being chosen from the metals from columns VIIIB and IB of the Periodic Table, dispersed on a substrate by chemical vapour deposition (CVD), from one or more precursors, in which the deposition is carried out in the presence of a gas comprising more than 50 vol % of a reactive oxidizing gas. Substrate comprising at least one surface, dispersed on which are nanoparticles made of a metal or of an alloy of metals, for example made of silver or a silver alloy. Use of the substrate to catalyse a chemical reaction, for example an NOx elimination reaction.Type: ApplicationFiled: December 23, 2005Publication date: June 5, 2008Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE POITIERSInventors: Stéphanie Thollon, Fabien Luc, Joel Barrault, Sabine Valange, Erwan Guelou, Marco Daturi, Fabien Can
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Publication number: 20080125610Abstract: A process for treating a carrier, or a precursor thereof, to at least partly remove impurities comprising contacting the carrier, or the precursor thereof, with a treatment solution comprising a salt; a process for preparing a catalyst; the catalyst; a process for preparing an olefin oxide by reacting an olefin with oxygen in the presence of the catalyst; and a process for preparing a 1,2-diol, a 1,2-diol ether or an alkanolamine.Type: ApplicationFiled: November 15, 2007Publication date: May 29, 2008Inventors: John Robert Lockemeyer, Randall Clayton Yeates
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Publication number: 20020091291Abstract: An olefin oxidation catalyst comprising a carrier, and silver and an alkali metal supported thereon, wherein the content of organic substances is less than 0.1 wt %.Type: ApplicationFiled: October 24, 2001Publication date: July 11, 2002Applicant: Mitsubishi Chemical CorporationInventor: Katsumi Nakashiro
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Patent number: 6252119Abstract: &Dgr;5-7-oxo-steroids are efficiently prepared from &Dgr;5-steroids using t-BuOOH in the presence of a copper catalyst, such as cuprous and cupric salts and copper metal.Type: GrantFiled: July 28, 1997Date of Patent: June 26, 2001Inventors: Jorge António Riberiro Salvador, Maria Luísa Campeão Fernandes Vaz de Sá e Melo, André de Silva Campos Neves
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Patent number: 4328365Abstract: The present invention provides a supported catalyst for use in a vapor phase reaction for the high yield conversion of lower aliphatic hydrocarbons such as butane to corresponding monocarboxylic acids such as acetic acid. The catalyst is prepared by the carbon monoxide reduction of a vanadium pentoxide-impregnated, inert porous carrier.Type: GrantFiled: October 20, 1980Date of Patent: May 4, 1982Assignee: Celanese CorporationInventors: William E. Slinkard, Anthony B. Baylis