And Group V Metal Containing (i.e., V, Nb, Ta, As, Sb Or Bi) Patents (Class 502/311)
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Publication number: 20080286176Abstract: Supports having a catalytic coating comprising at least one porous and cavity-containing catalyst layer are described, cavities being irregular spaces having dimensions greater than 5 ?m in at least two dimensions or having cross-sectional areas of at least 10 ?m2. The catalytic coatings are distinguished by a high adhesive strength and can preferably be used in microreactors.Type: ApplicationFiled: April 18, 2006Publication date: November 20, 2008Applicants: Uhde GmbH, Evonik Degussa GmbHInventors: Steffen Schirmeister, Karsten Bueker, Martin Schmitz-Niederau, Bernd Langanke, Andreas Geisselmann, Georg Markowz, Klaus Thomas Schwarz, Elias Johannes Klemm, Frank Becker, Reinhard Machnik
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Publication number: 20080241642Abstract: A catalyst formulation for an organic fuel cell includes a noble metal and an admetal. The catalyst formulation can include a noble metal and an admetal in a heterogeneous mixture or a solid solution with up to about 90% degree of alloying. The admetal can encourage the oxidation of catalyst poisons at room temperature and therefore reduces the exhaustion of the fuel cell.Type: ApplicationFiled: December 28, 2007Publication date: October 2, 2008Inventors: Coca Iordache, Sharon Blair, Derek Lycke, Sean Huff
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Patent number: 7429682Abstract: A catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The catalyst comprises a compound represented by the following formula (1): WaXbYcOx ??(1) wherein W represents a tungsten atom, X represents one or more alkali metals selected from the group consisting of Li, Na, K, Rb, and Cs, Y represents one or more elements selected from the group consisting of Fe, Co, Ni, Cu, Mn, Re, Cr, V, Nb, Ti, Zr, Zn, Cd, Y, La, Ce, B, Al, Sn, Mg, Ca, Sr, and Ba, O stands for an oxygen atom, and the ratio of a:b:c is 12:0.001˜1:0˜5.Type: GrantFiled: November 22, 2006Date of Patent: September 30, 2008Assignee: LG Chem, Ltd.Inventors: Won Ho Lee, Hyun Kyung Yoon, Dong Il Lee, Jong Hyun Chae, Ji Hyang Son, In Kyu Park, Won Jae Lee
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Catalysts For Co Oxidation,Voc Combustion And Nox Reduction And Methods Of Making And Using The Same
Publication number: 20080233039Abstract: The present invention is directed to carbon monoxide oxidation reactions in the presence of an O2 containing gas, nitrogen oxide conversion reactions, volatile organic compound conversion reactions in the presence of an O2 containing gas, and combinations thereof, and catalysts for use in those reactions. The catalyst comprises cobalt, its oxides or mixtures thereof and ruthenium, its oxides or mixtures thereof.Type: ApplicationFiled: June 1, 2006Publication date: September 25, 2008Applicant: SYMYX TECHNOLOGIES, INC.Inventors: Alfred Hagemeyer, Anthony F. Volpe, Valery Sokolovskii, Andreas Lesik, Guido Streukens -
Publication number: 20080233465Abstract: A catalyst is provided and includes fine catalyst particles of a composition represented by formula (1): PtuRuxTayTz, in which T is at least one element selected from the group consisting of Hf, W, Ni, and V; u, x, y, and z are 10 to 98.9 atm %, 0.1 to 50 atm %, 0.5 to 35 atm %, and 0.5 to 35 atm %, respectively, or formula (2): PtuRuxTayTz, in which T is at least one element selected from the group consisting of Ct, Mo, Nb, Zr, and T; u, x, y, and z are 40 to 70 atm %, 0.1 to 50 atm %, 0.5 to 15 atm %, and 0.Type: ApplicationFiled: March 18, 2008Publication date: September 25, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Itsuko Mizutani, Wu Mei, Taishi Fukazawa, Takahiro Sato, Yoshihiko Nakano
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Patent number: 7427581Abstract: Novel sorbent systems for the desulfurization of cracked-gasoline and diesel fuels are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic promotors are formed of at least two metals of the group consisting of nickel, cobalt, iron, manganese, copper, zinc, molybdenum, tungsten, silver, tin, antimony and vanadium with the valence of same being reduced, preferably to zero. Processes for the production of such sorbents are provided wherein the sorbent is prepared from impregnated particulate supports or admixed to the support composite prior to particulation, drying, and calcination. Further disclosed is the use of such novel sorbents in the desulfurization of cracked-gasoline and diesel fuels whereby there is achieved not only removal of sulfur but also an increase in the olefin retention in the desulfurized product.Type: GrantFiled: January 21, 2003Date of Patent: September 23, 2008Assignee: China Petroleum & Chemical CorporationInventor: Gyanesh P. Khare
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Publication number: 20080214387Abstract: Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the treatment is air or an inert gas, and/or the liquid phase contains a templating agent and/or base. The modified catalyst can be used for stereo-, chemo- and regioselective transformations of organic compounds.Type: ApplicationFiled: November 12, 2004Publication date: September 4, 2008Inventors: Daniel Ostgard, Virginie Duprez, Roberta Olindo, Stefan Roder, Monika Berweiler
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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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Patent number: 7414008Abstract: The present invention provides: a production process for a catalyst for synthesis of an unsaturated aldehyde and/or an unsaturated carboxylic acid, which production process is suitable for producing the catalyst with good reproducibility, wherein the catalyst is excellent in activity, selectivity, and physical strength; this catalyst; and a production process for the unsaturated aldehyde and/or the unsaturated carboxylic acid by using this catalyst.Type: GrantFiled: October 14, 2005Date of Patent: August 19, 2008Assignee: Nippon Sholonbai Co., Ltd.Inventor: Hiromi Yunoki
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Publication number: 20080176070Abstract: Carbon fibers containing at least one element (I) selected from the group consisting of Fe, Co and Ni, at least one element (II) selected from the group consisting of Sc, Ti, V, Cr, Mn, Cu, Y, Zr, Nb, Tc, Ru, Rh, Pd, Ag, a lanthanide, Hf, Ta, Re, Os, Ir, Pt and Au, and at least one element (III) selected from the group of W and Mo, wherein the element (II) and the element (III) each is 1 to 100 mol % relative to the mols of element (I).Type: ApplicationFiled: December 21, 2007Publication date: July 24, 2008Applicant: SHOWA DENKO K. K.Inventors: Akihiro KITAZAKI, Eiji Kanbara
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Patent number: 7402612Abstract: This invention relates to methods for making a stabilized transition alumina of enhanced hydrothermal stability, which include the introduction of at least one structural stabilizer; a steaming step before or after the introduction step, wherein steaming is effective in transforming a transition alumina at least partially to boehmite and/or pseudoboehmite; and a calcining step to create a stabilized transition alumina. The combination of the structural stabilizer and the steaming step is believed to impart high hydrothermal stability to the alumina crystal lattice. Particularly preferred structural stabilizers include boron, cobalt, and zirconium. The stabilized transition alumina is useful as a catalyst support for high water partial pressure environments, and is particularly useful for making a catalyst having improved hydrothermal stability. The invention more specifically discloses Fischer-Tropsch catalysts and processes for the production of hydrocarbons from synthesis gas.Type: GrantFiled: October 16, 2003Date of Patent: July 22, 2008Assignee: ConocoPhillips CompanyInventors: Yaming Jin, Rafael L. Espinoza, Nithya Srinivasan, Olga P. Ionkina
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Patent number: 7396955Abstract: A mixed metal oxide, which may be an orthorhombic phase material, is improved as a catalyst for the production of unsaturated carboxylic acids, or unsaturated nitrites, from alkanes, or mixtures of alkanes and alkenes, by: contacting with a liquid contact member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide to form a contact mixture; recovering insoluble material from the contact mixture; calcining the recovered insoluble material in a non-oxidizing atmosphere; admixing the calcined recovered insoluble material with (i) at least one promoter element or compound thereof and (ii) at least one solvent for the at least one promoter element or compound thereof; removing the at least one solvent to form a catalyst precursor; and calcining the catalyst precursor.Type: GrantFiled: December 19, 2007Date of Patent: July 8, 2008Assignee: Rohm and Haas CompanyInventors: Anne Mae Gaffney, Michele Doreen Heffner, Ruozhi Song
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Patent number: 7387982Abstract: The method of producing a catalyst for synthesis of an unsaturated aldehyde and unsaturated carboxylic acid of the present invention is characterized in that the method comprises a step of adding liquid to particles containing molybdenum, bismuth and iron and kneading the mixture, and extrusion-molding this kneaded substance, a step of preserving the molded article obtained by extrusion molding, and at least one step of drying and calcining the preserved molded article, and the contact time of particles containing molybdenum, bismuth and iron with liquid is 1 to 48 hours, and the preserving time of the molded article is 50% or more of the contact time of particles containing molybdenum, bismuth and iron with liquid. According to the production method of the present invention, catalytic activity can be easily controlled, and a catalyst having high activity and high selectivity is obtained.Type: GrantFiled: December 25, 2002Date of Patent: June 17, 2008Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Masahide Kondo, Seiichi Kawato, Toru Kuroda
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Patent number: 7365041Abstract: An ammoxidation catalyst comprising a molybdenum (component (1)), bismuth (component (2)), at least one element selected from the group consisting of nickel, cobalt, zinc, magnesium, manganese and copper (component (3)) and at least one element selected from the group consisting of lanthanum, cerium, praseodymium and neodymium (component (4)), over which an organic compound is subject to ammoxidation which is a composite oxide fluid bed catalyst, is prepared by i) preparing a first solution that comprises at least a portion of component (1), at least a portion of component (2), and at least a portion of component (3) but none of component (4); ii) preparing a second solution by adding a solution of component (4) to the first solution; and iii) drying the second solution obtained and calcining the solid matter obtained from the drying step.Type: GrantFiled: September 25, 2002Date of Patent: April 29, 2008Assignee: Dia-Nitrix Co., Ltd.Inventors: Kenichi Miyaki, Motoo Yanagita, Kunio Mori
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Patent number: 7361791Abstract: A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount ratio of cesium to bismuth, a certain relative amount ratio of iron to bismuth and a certain relative amount ratio of bismuth, iron, cesium and certain other metals to molybdenum and, optionally, tungsten. For a catalyst of the formula: Mo12BiaWbFecCodNieSbfCsgMghZniPjOx wherein a is 0.1 to 1.5, b is 0 to 4, c is 0.2 to 5.0, d is 0 to 9, e is 0 to 9, f is 0 to 2.0, g is from 0.4 to 1.5, h is 0 to 1.5, i is 0 to 2.0, j is 0 to 0.5 and x is determined by the valences of the other components, c:g=3.3-5.0, c:a=2.0-6.0 and (3a+3c+2d+2e+g+2h+2i)/(2×12+2b)=0.95-1.10.Type: GrantFiled: May 24, 2007Date of Patent: April 22, 2008Assignee: Saudi Basic Industries CorporationInventors: Wugeng Liang, Scott A. Stevenson, James W. Kauffman, John S. Ledford, Joseph R. Linzer
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Patent number: 7348292Abstract: A mixed metal oxide, which may be an orthorhombic phase material, is improved as a catalyst for the production of unsaturated carboxylic acids, or unsaturated nitriles, from alkanes, or mixtures of alkanes and alkenes, by: contacting with a liquid contact member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide to form a contact mixture; recovering insoluble material from the contact mixture; calcining the recovered insoluble material in a non-oxidizing atmosphere; admixing the calcined recovered insoluble material with (i) at least one promoter element or compound thereof and (ii) at least one solvent for the at least one promoter element or compound thereof; removing the at least one solvent to form a catalyst precursor; and calcining the catalyst precursor.Type: GrantFiled: November 14, 2005Date of Patent: March 25, 2008Assignee: Rohm and Haas CompanyInventors: Anne Mae Gaffney, Michele Doreen Heffner, Ruozhi Song
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Patent number: 7341974Abstract: The present invention relates to a method for preparing a catalyst for partial oxidation of propylene, particularly a method for preparing a catalyst for preparing an acrylic acid, using an organic acid such as a citric acid, maleic acid and oxalic acid. The complex oxide catalyst according to the invention, when used in the gas phase catalytic oxidation of propylene, may produce acrolein in high yield.Type: GrantFiled: January 3, 2003Date of Patent: March 11, 2008Assignee: LG Chem, Ltd.Inventors: Jung Hwa Kang, Won Ho Lee, Min Ho Kil, Hyun Jong Shin, Byung Yul Choi, Yeon Shick Yoo, Young Hyun Choe, Ju Yeon Park
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Patent number: 7329628Abstract: The present invention relates to a process for preparing a catalyst for partial oxidation of propylene and iso-butylene, and more particularly to a process for preparing a catalyst for partial oxidation of propylene and iso-butylene that can stably prepare a catalyst that shows high activity for conversion of propylene and iso-butylene to obtain acrolein and methacrolein with a high yield, by dissolving salts of metals acting as a catalyst in a nitric acid aqueous solution or in an organic acid solution to prepare a catalyst suspension, drying the catalyst solution in a microwave oven, and then pulverizing and molding the dried catalyst, and calcining the catalyst.Type: GrantFiled: March 19, 2004Date of Patent: February 12, 2008Assignee: LG Chem, Ltd.Inventors: Jung-Hwa Kang, Won-Ho Lee, Min-Ho Kil
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Patent number: 7326668Abstract: An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield and used to produce.Type: GrantFiled: December 18, 2006Date of Patent: February 5, 2008Assignee: Rohm and Haas CompanyInventors: Leonard Edward Bogan, Jr., Daniel A. Bors, Fernando Antonio Pessoa Cavalcanti, Michael Bruce Clark, Jr., Anne Mae Gaffney, Scott Han
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Patent number: 7319179Abstract: The invention relates to a method for the oxidative dehydrogenation of ethane. The inventive method is characterized in that it consists of bringing the ethane into contact with the catalyst containing Mo, Te, V, Nb and at least a fifth element A which is selected from Cu, Ta, Sn, Se, W, Ti, Fe, Co, Ni, Cr, Zr, Sb, Bi, an alkali metal, an alkaline-earth metal and a rare earth, in which at least Mo, Te, V and Nb are present in the form of at least one oxide, said catalyst presenting, in calcined form, an X-ray diffractogram with more than ten intense diffraction lines, typically, the most intense lines corresponding to diffraction angles 2? of 7.7°±0.4, 8.9°±0.4, 22.1°+0.4, 26.6°±0.4, 26.9°±0.4, 27.1°±0.4, 28.1°±0.4, 31.2°±0.4, 35.0°±0.4 and 45.06°±0.Type: GrantFiled: July 30, 2004Date of Patent: January 15, 2008Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politecnica de ValenciaInventors: José Manuel López Nieto, Pablo Botella Asunción, Maria Isabel Vazquez Navarro, Ana Dejoz García
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Patent number: 7304180Abstract: The invention relates to a process for producing a metal oxide catalyst capable of producing acrylic acid, acrylonitrile or the like in one stage by catalytic oxidation reaction of propane in a high yield. The invention is characterized by using one obtained by finely ground metallic Te or metallic Sb in water or an organic solvent as a raw material for the production of an oxide catalyst made of metal elements Mo—V—Nb—Te or metal elements Mo—V—Nb—Sb. The powder of the metallic Te or metallic Sb obtained by grinding preferably has a mode size of not more than 20 ?m. By using the metal oxide obtained by the invention as a catalyst, it is possible to produce acrylic acid in a high yield of 35% or more from propane by a one-stage oxidation reaction.Type: GrantFiled: January 20, 2004Date of Patent: December 4, 2007Assignee: Toagosei Co., Ltd.Inventors: Xinlin Tu, Yuuichi Sumida, Mamoru Takahashi, Hiroshi Niizuma
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Patent number: 7304012Abstract: A process for preparing a supported catalyst or catalyst precursor containing carbon, said process comprising: a. preparing a liquid mixture of (i) at least one catalyst support or catalyst support precursor; (ii) at least one metal-containing compound, wherein said metal is selected from V, Cr, Mn, Fe, Co, Ni, Cu, Mo and W, and (iii) at least one polar organic compound which acts as a solvent for the metal-containing compound, said liquid mixture comprising 0 to 20 wt % of water based on the total weight of the mixture; b. converting said mixture to a paste or solid residue; and c. combusting the residue in an oxygen-containing atmosphere to at least partially convert the organic compound to carbon and to form said supported catalyst or catalyst precursor.Type: GrantFiled: June 20, 2003Date of Patent: December 4, 2007Inventors: Malcolm Leslie Hodder Green, Tiancun Xiao
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Patent number: 7285514Abstract: The present invention relates to a method for preparing a catalyst for partial oxidation of acrolein, particularly to a method for preparing a catalyst for partial oxidation of acrolein that has a superior acrolein conversion rate, acrylic acid activity, selectivity, and yield, by introducing a base solution and an acid solution into a catalyst suspension prepared by dissolving salts of metal ingredients of the catalyst in water to control the acidity of the catalyst suspension, contacting the catalyst suspension of which acidity is controlled with an inert support to support the catalyst thereon, and then drying and firing the supported catalyst.Type: GrantFiled: October 24, 2003Date of Patent: October 23, 2007Assignee: LG Chem, Ltd.Inventors: Jung-Hwa Kang, Won-Ho Lee, Min-Ho Kil, Hyun-Jong Shin, Byung-Yul Choi, Yeon-Shick Yoo, Young-Hyun Choe, Ju-Yeon Park
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Patent number: 7279442Abstract: A process for producing a catalyst which has a high mechanical strength and is capable of producing an unsaturated aldehyde and an unsaturated carboxylic acid constantly over a long period of time and in good yield; and, a method for producing an unsaturated aldehyde or carboxylic acid from catalytic oxidation of an olefin, a tertiary butyl alcohol, or a methyl tertiary butyl ether substrate with a gas that contains molecular oxygen and the produced catalyst.Type: GrantFiled: January 12, 2005Date of Patent: October 9, 2007Assignee: Mitsubishi Chemical CorporationInventors: Isao Teshigahara, Nariyasu Kanuka, Kazuharu Tazawa
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Patent number: 7262148Abstract: A catalyst for producing from an olefin the corresponding unsaturated aldehyde and unsaturated carboxylic acid in good yield, and a process for its production, are presented. It is a composite oxide catalyst containing at least molybdenum, bismuth and iron, to be used at the time of gas phase catalytic oxidation of an olefin with a molecular oxygen-containing gas to produce the corresponding unsaturated aldehyde and unsaturated carboxylic acid, wherein the loss on drying of the contained moisture, as represented by the following formula (1) (wherein W1 represents the weight when the catalyst is heated for two hours at 110±5° C., and W2 represents the weight of the catalyst prior to such heating), is at most 0.5 wt %: Loss on drying=(W2?W1)/W2×100.Type: GrantFiled: January 12, 2005Date of Patent: August 28, 2007Assignee: Mitsubishi Chemical CorporationInventors: Isao Teshigahara, Nariyasu Kanuka
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Patent number: 7250386Abstract: A quantum limit catalyst. The instant quantum limit catalyst is comprised of atomic aggregations whose dimensions correspond to the quantum limit. In the quantum limit, the atomic aggregations acquire structural configurations and electronic interactions not attainable in the macroscopic limit. The structural configurations possible in the quantum limit correspond to atomic aggregations having bond lengths, bond angles, topologies and coordination environments that differ from those found in the macroscopic limit. The electronic interactions possible in the quantum limit originate from wavefunction overlap and tunneling between atoms and lead to modifications in the magnitude and/or spatial distribution of electron density at catalytic sites to provide improved catalytic properties. Representative quantum limit catalysts include quantum scale atomic aggregations of metal atoms. Examples including catalysts derived from Fe, Mg, V and Co are disclosed.Type: GrantFiled: December 11, 2003Date of Patent: July 31, 2007Assignee: Energy Conversion Devices, Inc.Inventor: Stanford R. Ovshinsky
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Patent number: 7232788Abstract: A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount ratio of cesium to bismuth, a certain relative amount ratio of iron to bismuth and a certain relative amount ratio of bismuth, iron, cesium and certain other metals to molybdenum and, optionally, tungsten. For a catalyst of the formula: Mo12BiaWbFecCodNieSbfCsgMghZniPjOx wherein a is 0.1 to 1.5, b is 0 to 4, c is 0.2 to 5.0, d is 0 to 9, e is 0 to 9, f is 0 to 2.0, g is from 0.4 to 1.5, h is 0 to 1.5, i is 0 to 2.0, j is 0 to 0.5 and x is determined by the valences of the other components, c:g=3.3–5.0, c:a=2.0–6.0 and (3a+3c+2d+2e+g+2h+2i)/(2×12+2b)=0.95–1.10.Type: GrantFiled: March 14, 2005Date of Patent: June 19, 2007Assignee: Saudi Basic Industries CorporationInventors: Wugeng Liang, Scott A. Stevenson, James W. Kauffman, John S. Ledford, Joseph R. Linzer
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Patent number: 7229945Abstract: The present invention is for a process for making a catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, said catalyst containing oxides of molybdenum, bismuth, iron, cesium, tungsten, cobalt, nickel, antimony, magnesium and zinc. The process is a two-part synthesis of the catalyst with the water insoluble components in one part and the water soluble components in the other part. The water insoluble components are co-precipitated to form an intermediate catalyst precursor of a precipitated support incorporating oxides of the metal components. The intermediate catalyst precursor is filtered and washed to remove nitrates. The intermediate catalyst precursor is slurried with the remaining water soluble components. A final catalyst precursor is formed by removing the water and incorporating the water soluble components. This two-part process reduces the amount of nitrates in the final catalyst precursor.Type: GrantFiled: December 19, 2003Date of Patent: June 12, 2007Assignee: Saudi Basic Industrics CorporationInventor: James W. Kauffman
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Patent number: 7229946Abstract: A catalyst composition having the formula: Mo1VaSbbNbcMdOx wherein M is gallium, bismuth, silver or gold, a is 0.01 to 1, b is 0.01 to 1, c is 0.01 to 1, d is 0.01 to 1 and x is determined by the valence requirements of the other components. Other metals, such as tantalum, titanium, aluminum, zirconium, chromium, manganese, iron, ruthenium, cobalt, rhodium, nickel, platinum, boron, arsenic, lithium, sodium, potassium, rubidium, calcium, beryllium, magnesium, cerium, strontium, hafnium, phosphorus, europium, gadolinium, dysprosium, holmium, erbium, thulium, terbium, ytterbium, lutetium, lanthanum, scandium, palladium, praseodymium, neodymium, yttrium, thorium, tungsten, cesium, zinc, tin, germanium, silicon, lead, barium or thallium may also be components of the catalyst. This catalyst is prepared by co-precipitation of metal compounds which are calcined to form a mixed metal oxide catalyst that can be used for the selective conversion of an alkane to an unsaturated carboxylic acid in a one-step process.Type: GrantFiled: March 23, 2004Date of Patent: June 12, 2007Assignee: Saudi Basic Industries CorporationInventors: Paulette N. Hazin, Paul E. Ellis, Jr.
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Patent number: 7214822Abstract: A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid.Type: GrantFiled: September 19, 2005Date of Patent: May 8, 2007Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Andreas Tenten, Hartmut Hibst
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Patent number: 7208445Abstract: An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield.Type: GrantFiled: August 29, 2005Date of Patent: April 24, 2007Assignee: Rohm and Haas CompanyInventors: Leonard Edward Bogan, Jr., Daniel A. Bors, Fernando Antonio Pessoa Cavalcanti, Michael Bruce Clark, Jr., Anne Mae Gaffney, Scott Han
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Patent number: 7176159Abstract: A catalyst and sorbent is disclosed which comprises pellets with an absorbent core and a protective shell with a catalyst in the shell. Such material is especially well suited for steam reforming of hydrocarbons to produce hydrogen since a reforming catalyst can be incorporated in the shell and a sorbent for the by-product carbon dioxide can be used for the core. It is also well suited for producing hydrogen from carbon monoxide by means of the water gas shift reaction. The shell can be made sufficiently strong and durable for moving bed applications as well as fixed bed applications.Type: GrantFiled: August 14, 2002Date of Patent: February 13, 2007Assignee: Iowa State University Research Foundation, Inc.Inventors: Thomas D. Wheelock, Brent H. Shanks
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Patent number: 7132384Abstract: A process for producing a composite oxide catalyst to be used for gas phase oxidation of an olefin or unsaturated aldehyde with molecular oxygen to produce the corresponding unsaturated aldehyde and/or unsaturated carboxylic acid, which has a uniform constant high performance, in an industrial scale and efficiently and constantly, is presented. The process comprises a step of molding a catalyst component-containing powder and a step of calcining a molded product obtained in the molding step, wherein the molding step is a step wherein graphite particles having an average particle diameter D50 of from 10 to 50 ?m and having a combustion initiating temperature in a differential thermogravimetric analysis higher by at least 50° C. than the calcination temperature in the next calcination step, are added to the catalyst component-containing powder in an amount of from 0.Type: GrantFiled: January 28, 2005Date of Patent: November 7, 2006Assignee: Mitsubishi Chemical CorporationInventors: Isao Teshigahara, Nariyasu Kanuka
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Patent number: 7129195Abstract: The invention relates to a method for the heterogenically catalyed gas-phase partial oxidation of precursor compounds of (meth)acrylic acid in a fixed catalyst bed, containing as the catalyst an activated mass of mixed oxide, shaped to form a geometric body. Said geometric body is a geometric base body, into whose surface a cavity is incorporated.Type: GrantFiled: January 12, 2002Date of Patent: October 31, 2006Assignee: BASF AktiengesellschaftInventors: Raimund Felder, Signe Unverricht, Heiko Arnold, Jochen Petzoldt
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Patent number: 7122707Abstract: Coated catalysts which are suitable for the gas-phase catalytic oxidation of propene to acrolein are prepared by a process in which rings are used as supports and water is used as a binder.Type: GrantFiled: October 9, 2001Date of Patent: October 17, 2006Assignee: BASF AktiengesellschaftInventors: Jochen Petzoldt, Signe Unverricht, Heiko Arnold
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Patent number: 7091377Abstract: A multimetal oxide material contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and promoters and has a specific X-ray diffraction pattern. Moreover, such a multimetal oxide material is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations of hydrocarbons.Type: GrantFiled: October 15, 2003Date of Patent: August 15, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Martin Dieterle, Hartmut Hibst
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Patent number: 7078130Abstract: This invention provides novel stable metallic mesoporous transition metal oxide molecular sieves and methods for their production. The sieves have high electrical conductivity and may be used as solid electrolyte devices, e.g., in fuel cells, as sorbents, e.g. for hydrogen storage, and as catalysts. The invention also provides room temperature activation of dinitrogen, using the sieves as a catalyst, which permits ammonia production at room temperature.Type: GrantFiled: November 25, 2002Date of Patent: July 18, 2006Assignee: University of WindsorInventor: David M. Antonelli
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Patent number: 7067452Abstract: (i) In a ceramic catalyst body which comprises a ceramic carrier which has a multitude of pores capable of supporting a catalyst directly on the surface of a substrate ceramic and a catalyst supported on the ceramic carrier, a layer containing an anti-evaporation metal such as Rh is formed on the outer surface of catalyst metal particles such as Pt or Rh. The layer containing the anti-evaporation metal protects the catalyst metal and prevents evaporation thereof, thereby suppressing the deterioration; and/or (ii) A ceramic catalyst body is made by having a main catalyst component and a promoter component directly on a ceramic carrier which can directly support the catalyst by substituting a part of the constituent elements of cordierite, and a trap layer is provided in the upstream thereof for trapping sulfur which is a catalyst poisoning component included in the exhaust gas.Type: GrantFiled: September 24, 2001Date of Patent: June 27, 2006Assignees: Denso Corporation, Nippon Soken, Inc.Inventors: Masakazu Tanaka, Tosiharu Kondo, Tomohiko Nakanishi, Kazuhiko Koike, Takashi Kondo, Tomomi Hase, Miho Ito
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Patent number: 7038082Abstract: A process for preparing a multimetal oxide material which contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and if desired promoters and has a specific X-ray diffraction pattern, in which process the last process step comprises washing with acidic liquids. In addition, a multimetal oxide material obtainable in such a way is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations and/or ammoxidation of hydrocarbons.Type: GrantFiled: August 26, 2003Date of Patent: May 2, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Klaus Joachim Müller-Engel, Hartmut Hibst, Martin Dieterle
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Patent number: 7033566Abstract: A photocatalyst including a metal oxide semiconductor represented by the formula: In1?xMxAO4 wherein M represents a transition metal element, A represents an element belonging to the Group 5a of the Periodic Table and x is a number greater than 0 but smaller than 1.Type: GrantFiled: July 9, 2002Date of Patent: April 25, 2006Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Hironori Arakawa, Zhigang Zou, Kazuhiro Sayama
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Patent number: 7018951Abstract: A mixed metal oxide, which may be an orthorhombic phase material, is improved as a catalyst for the production of unsaturated carboxylic acids, or unsaturated nitriles, from alkanes, or mixtures of alkanes and alkenes, by: contacting with a liquid contact member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide to form a contact mixture; recovering insoluble material from the contact mixture; calcining the recovered insoluble material in a non-oxidizing atmosphere; admixing the calcined recovered insoluble material with (i) at least one promoter element or compound thereof and (ii) at least one solvent for the at least one promoter element or compound thereof; removing the at least one solvent to form a catalyst precursor; and calcining the catalyst precursor.Type: GrantFiled: August 7, 2003Date of Patent: March 28, 2006Assignee: Rohm and Haas CompanyInventors: Anne Mae Gaffney, Michele Doreen Heffner, Ruozhi Song
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Patent number: 7012039Abstract: An oxide catalyst composition for use in producing methacrolein or a mixture of methacrolein and methacrylic acid, wherein the oxide catalyst composition is represented by the formula (Mo+W)l2BiaAbBcFedXeSbfOg, wherein: A is at least one member selected from the group consisting of Y and the elements of the lanthanoid series exclusive of Pm; B is at least one member selected from the group consisting of K, Rb and Cs; X is Co solely, or a mixture of Co and at least one member selected from the group consisting of Mg and Ni; and a, b, c, d, e, f and g are, respectively, the atomic ratios of Bi, A, B, Fe, X, Sb and O, relative to twelve atoms of the total of Mo and W, wherein the atomic ratios (a to f) of the elements and the relationship between the amounts of the elements are chosen so as to satisfy specific requirements.Type: GrantFiled: December 20, 2002Date of Patent: March 14, 2006Assignee: Asahi Kasei Chemicals CorporationInventors: Toru Watanabe, Osamu Nagano
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Patent number: 7009075Abstract: The invention disclosed is a process for the selective conversion of an alkane to an unsaturated carboxylic acid in a one-step process with a mixed metal oxide catalyst composition having the general formula: MoVaNbbTecSbdMeOx wherein M is optional and may be one or more selected from silver, silicon, sulfur, zirconium, titanium, aluminum, copper, lithium, sodium, potassium, rubidium, cesium, gallium, phosphorus, iron, rhenium, cobalt, chromium, manganese, arsenic, indium, thallium, bismuth, germanium, tin, cerium or lanthanum. This catalyst may be prepared by co-precipitation of metal compounds which are calcined to form a mixed metal oxide catalyst.Type: GrantFiled: June 30, 2004Date of Patent: March 7, 2006Assignee: Saudi Basic Industries CorporationInventor: Paulette N. Hazin
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Patent number: 7005403Abstract: A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid.Type: GrantFiled: October 16, 2001Date of Patent: February 28, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Andreas Tenten, Hartmut Hibst
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Patent number: 6989460Abstract: Unsaturated carboxylic acids are produced by the vapor phase catalytic oxidation of mixtures of alkenes and alkanes in the presence of a catalyst containing a mixed metal oxide. Similarly, unsaturated nitriles are produced by the vapor phase catalytic oxidation of alkenes or mixtures of alkenes and alkanes and ammonia in the presence of a catalyst containing a mixed metal oxide.Type: GrantFiled: November 25, 2003Date of Patent: January 24, 2006Assignee: Rohm and Haas CompanyInventors: Leonard Edward Bogan, Jr., Scott Han, Bradley Anson Jacobs, Frederick William Kaiser, Peter David Klugherz, Manhua Lin, Richard David Link, III, Michael William Linsen
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Patent number: 6989347Abstract: A catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions. The catalysts include compositions of the formula: MoaVbAlcXdYeOz wherein X is at least one element selected from W and Mn; Y is at least one element selected from Pd, Sb, Ca, P, Ga, Ge, Si, Mg, Nb, and K; a is 1; b is 0.01–0.9; c is 0<0.2; d is 0<0.5; e is 0<0.5; and z is an integer representing the number of oxygen atoms required to satisfy the valency of the remaining elements in the composition. Using the catalyst composition of the present invention, one may effectively oxidize the desired starting materials at relatively high levels of conversion, selectivity, and productivity, and with minimal side products.Type: GrantFiled: April 25, 2002Date of Patent: January 24, 2006Assignee: Saudi Basic Industries CorporationInventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
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Patent number: 6982343Abstract: A catalyst comprising a mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile. The catalyst is treated with a source of hydrogen, an alcohol, a source of NOx or a mixture thereof.Type: GrantFiled: October 17, 2002Date of Patent: January 3, 2006Assignee: Rohm and Haas CompanyInventors: Sanjay Chaturvedi, Anne Mae Gaffney, Dominique Hung Nhu Le
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Patent number: 6946422Abstract: A process for making a catalyst containing oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals, such as tungsten, cobalt, nickel, antimony, magnesium, zinc, phosphorus, potassium, rubidium, thallium, manganese, barium, chromium, boron, sulfur, silicon, aluminum, titanium, cerium, tellurium, tin, vanadium, zirconium, lead, cadmium, copper and niobium wherein metal compounds are dissolved and then precipitated as a catalyst precursor which is calcined to form a mixed metal oxide catalyst. The process of the present invention uses an organic acid, such as acetic acid, instead of nitric acid to dissolve the bismuth compound and, optionally, other metal compounds. The catalyst synthesized by this process may be used for the production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene.Type: GrantFiled: December 12, 2002Date of Patent: September 20, 2005Assignee: Saudi Basic Industries CorporationInventors: Scott A. Stevenson, Wugeng Liang
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Patent number: 6943135Abstract: An improved catalyst comprising a mixed metal oxide, either promoted or not, is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.Type: GrantFiled: December 9, 2003Date of Patent: September 13, 2005Assignee: Rohm and Haas CompanyInventors: Anne Mae Gaffney, Michele Doreen Heffner, Ruozhi Song
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Patent number: 6924387Abstract: The present invention relates to a sold catalyst for manufacturing of a nitrile compound and a method of preparation thereof. More particularly, this invention relates to the solid catalyst expressed by the following formula (1): BiaAaBbQqOx][(100-z) % DdEeFefNigMomOy+z % SiO2] comprising a core catalytic phase expressed by [(100-z) %=DdEeFefNigMomOy+z % SiO2] and a shell catalytic phase expressed by [BinAaBbQqOx], which increases a yield in the manufacturing of a nitrile compound via ammoxidation of olefin, and the method of preparation thereof.Type: GrantFiled: February 12, 1999Date of Patent: August 2, 2005Assignee: Korea Research Institute of Chemical TechnologyInventors: Tae-Sun Chang, Deug-Hee Cho, Dong-Koo Lee, Guijia Li, Young Kil Lee