Of Platinum Group Metal And Of Iron Group (i.e., Ru, Rh, Pd, Os, Ir, Or Pt And Fe, Co Or Ni) Patents (Class 502/326)
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Patent number: 8304030Abstract: A bi-laterally surfaced substrate in which the first surface consists of one or more than one of cerium oxide, aluminum oxide, tin oxide manganese oxide, copper oxide, cobalt oxide, nickel oxide, praseodymium oxide, terbium oxide, ruthenium, rhodium, palladium, silver, iridium, platinum and gold and the second surface consists of one or more than one of ruthenium, rhodium, palladium, silver, iridium, platinum and gold and micro channel micro component reactors including such substrates in a predetermined formed shape and methods for making the same utilizing a thermal spray on one side and a physical deposition process on the other side.Type: GrantFiled: October 9, 2007Date of Patent: November 6, 2012Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Ting He, Eisuke Kimura, Tadashi Nomura
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Patent number: 8304365Abstract: A stabilized platinum nanoparticle has a core portion surrounded by a plurality of outer surfaces. The outer surfaces include terrace regions formed of platinum atoms, and edge and corner regions formed of atoms from a second metal. The stabilized nanoparticle may be formed by combining a platinum nanoparticle with a metal salt in a solution. Ions of the second metal react with platinum and replace platinum atoms on the nanoparticle. Platinum atoms from the edge and corner regions react with the second metal ions quicker than surface atoms from the terraces, due to a greater difference in electrode potential between the platinum atoms at the edge and corner regions, as compared to the second metal in the solution. The platinum nanoparticle may include surface defects, such as steps and kinks, which may also be replaced with atoms of the second metal. In an exemplary embodiment, the platinum nanoparticle is a cathode catalyst in an electro-chemical cell.Type: GrantFiled: May 16, 2008Date of Patent: November 6, 2012Assignee: UTC Power CorporationInventors: Minhua Shao, Belabbes Merzougui, Patrick L. Hagans, Susanne M. Opalka
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Patent number: 8304366Abstract: One aspect of the present invention relates to a system for remediating emissions using a hybrid oxidation catalyst system. The hybrid oxidation catalyst system includes a noble metal oxidation catalyst having noble metal particles in a first ceramic layer. The system also includes a base metal oxide catalyst disposed in a second ceramic layer situated downstream of the noble metal oxidation catalyst. The noble metal oxidation catalyst is effective to substantially prevent hydrocarbon or carbon monoxide inhibition of the base metal oxide catalyst when enhancing the NO+O2 conversion effectiveness of the base metal oxide catalyst.Type: GrantFiled: November 24, 2010Date of Patent: November 6, 2012Assignee: Ford Global Technologies, LLCInventors: Andrew Robert Drews, Robert J. Kudla
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Patent number: 8293678Abstract: A metal fiber based on one or several elements from the group of platinum, palladium, rhodium, ruthenium, and iridium with 0 to 30% by weight of one or several additional alloy elements from the group of nickel, cobalt, gold, rhenium, molybdenum, and tungsten, contains 1 to 500 ppm by weight of boron or phosphorus. A non-woven material or netting, in particular for the production of nitrogen oxide or for the production of hydrocyanic acid, is made of such fibers. For the production of fibers based on noble metals having up to 30% by weight of additional alloy metals by drawing the fibers from a melt, the melting point of the metal is reduced by at least 400 ° C., before drawing of the fibers, by additionally alloying with boron or phosphorus, and the boron or the phosphorus is removed again from the fibers.Type: GrantFiled: July 30, 2009Date of Patent: October 23, 2012Assignee: Heraeus Materials Technology GmbH & Co. KGInventors: Uwe Jantsch, David Francis Lupton, Harald Manhardt, Stefan Vorberg
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Publication number: 20120264598Abstract: Methods of synthesizing platinum-alloy nanoparticles, supported catalysts comprising the nanoparticles, and further methods of forming supported catalysts comprising Pt3(Ni,Co) nanoparticles having (111)-oriented faces or facets are disclosed. The methods may comprise forming a reaction mixture in a reaction vessel; sealing the reaction vessel; heating the reaction mixture sealed in the reaction vessel to a reaction temperature; maintaining the temperature of the reaction vessel for a period of time; cooling the reaction vessel; and removing platinum-alloy nanoparticles from the reaction vessel. The reaction mixture may comprise a platinum precursor, a nickel precursor, a formamide reducing solvent, and an optional capping agent. The platinum-alloy nanoparticles provide favorable electrocatalytic activity when supported on a catalyst support material.Type: ApplicationFiled: April 12, 2011Publication date: October 18, 2012Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Michael K. Carpenter, Indrajit Dutta
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Publication number: 20120263777Abstract: An environment-friendly porous bead-satellite nanoparticles composite which has excellent recovery and repeated usage performance and can be used as a catalyst, an antiviral agent, or an antimicrobial, and a fabrication method thereof are provided. The porous bead-satellite nanoparticles composite includes a porous bead, a molecule having a first end coupled to the surface of the porous bead and including a functional group at a second end, and satellite nanoparticles coupled to the functional group, wherein the porous bead may have a core-shell structure including a cluster core of nanoparticles and a porous bead shell covering the cluster core.Type: ApplicationFiled: August 4, 2011Publication date: October 18, 2012Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyoungja WOO, Hye Hun PARK, Wooyoung PARK
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Patent number: 8288310Abstract: An automobile exhaust gas purification catalyst comprised of a support mainly comprised of ZrO2 in which Rh is supported as a catalyst metal preventing sintering of the support, raising the supporting efficiency, and raising the low temperature activity and a method of production of the same are provided. An automobile exhaust gas purification catalyst comprised of a support mainly comprised of ZrO2, sintered under firing conditions where the as fired ZrO2 will substantially not be charged in a catalyst metal supporting treatment solution, in which Rh is supported as a catalyst metal in a particle state. The method of production includes a step of charging the support mainly comprised of ZrO2 fired under the above firing conditions by applying at least one treatment of an acid treatment and a base treatment and a step of dipping the charged state support in the catalyst supporting treatment solution including a colloid of Rh as the catalyst metal to make the Rh colloid be adsorbed on the support.Type: GrantFiled: November 1, 2007Date of Patent: October 16, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shinichi Takeshima, Akio Koyama
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Patent number: 8288307Abstract: A hydrogenation catalyst including a base material coated with a catalytic metal is made using mechanical milling techniques. The hydrogenation catalysts are used as an excellent catalyst for the dehalogenation of contaminated compounds and the remediation of other industrial compounds. Preferably, the hydrogenation catalyst is a bimetallic particle including zero-valent metal particles coated with a catalytic material. The mechanical milling technique is simpler and cheaper than previously used methods for producing hydrogenation catalysts.Type: GrantFiled: October 21, 2010Date of Patent: October 16, 2012Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Jacqueline W. Quinn, Christian A. Clausen, Cherie L. Geiger, Brian S. Aitken
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Patent number: 8283281Abstract: A catalyst for purification of automobile exhaust gas comprising: a support and rhodium supported on the support in an atomic state, wherein an amount of the rhodium supported is 0.05 to 0.30% by mass relative to the total amount of the support and the rhodium, 50 at. % or more of the rhodium is supported on the support as two-atom clusters of rhodium, and an average distance between adjacent ones of the two-atom clusters is 1.0 nm or more.Type: GrantFiled: June 28, 2010Date of Patent: October 9, 2012Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Tetsushi Ohmura, Akihiko Suda, Yoshihide Watanabe
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Patent number: 8273681Abstract: An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprising at least one selected from the group consisting of magnesium, barium, sodium, potassium and cesium. A degree of dispersion of rhodium is 20% or more after baking at 900° C. in air for three hours. A method for manufacturing the exhaust gas purifying catalyst includes: mixing the zirconium-containing oxide with water, thereby preparing an aqueous liquid of the zirconium-containing oxide; and supporting rhodium on the zirconium-containing oxide by mixing the aqueous liquid of the zirconium-containing oxide with an aqueous solution of a rhodium salt. A pH of a mixed liquid of the aqueous solution of the rhodium salt and the aqueous liquid of the zirconium-containing oxide is adjusted to 7 or more.Type: GrantFiled: June 8, 2009Date of Patent: September 25, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Tetsuro Naito, Masanori Nakamura, Hironori Wakamatsu
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Patent number: 8273504Abstract: The invention provides a method for manufacturing supported noble metal based alloy catalysts with a high degree of alloying and a small crystallite size. The method involves using polyol solvents as reaction medium and comprises a two-step reduction process in the presence of a support material. In the first step, the first metal (transition metal; e.g. Co, Cr, Ru) is activated by increasing the reaction temperature to 80 to 160° C. In the second step, the second metal (noble metal; e.g. Pt, Pd, Au) is added and the slurry is heated to the boiling point of the polyol solvent in a range of 160 to 300 ° C. The catalysts manufactured according to the method are used as electrocatalysts for polymer electrolyte membrane fuel cells (PEMFC), direct-methanol fuel cells (DMFC) or as gas phase catalysts for CO oxidation or exhaust gas purification.Type: GrantFiled: September 1, 2011Date of Patent: September 25, 2012Assignee: Umicore AG & Co. KGInventors: Dan V. Goia, Marco Lopez, Tapan Kumar Sau, Mihaela-Ortansa Jitianu
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Patent number: 8268289Abstract: The present invention relates to a catalyst for decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms, comprising magnesium, aluminum, nickel and cobalt as constitutional elements, and further comprising ruthenium and/or palladium, wherein the metallic ruthenium and/or metallic palladium in the form of fine particles have an average particle diameter of 0.5 to 20 nm, and a content of the metallic ruthenium and/or metallic palladium is 0.05 to 5.0% by weight based on the weight of the catalyst. The catalyst of the present invention is capable of efficiently decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms (C2 or more hydrocarbons), is less expensive, and exhibits an excellent catalytic activity for decomposition and removal of hydrocarbons, in particular, an excellent capability of decomposing propane, and an excellent anti-coking property.Type: GrantFiled: July 18, 2008Date of Patent: September 18, 2012Assignee: Toda Kogyo CorporationInventors: Shinji Takahashi, Naoya Kobayashi
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Publication number: 20120230899Abstract: The present invention relates to a mixed metal oxide catalyst in which a hydrotalcite precursor containing an alkali metal is impregnated or intercalated with a nonprecious metal, a method of manufacturing the same, and a method of decomposing nitrogen oxide using the mixed metal oxide catalyst. The mixed metal oxide catalyst has excellent catalytic activity because it can decompose NOx, N2O or a mixture thereof even at low temperature, and is economical because it does not use a precious metal.Type: ApplicationFiled: September 30, 2010Publication date: September 13, 2012Inventors: Kil Sang Chang, Xiaoshan Peng, Seo Young Park, Ki Seon Yang, A Reum Han
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Patent number: 8263290Abstract: The invention is directed to iridium oxide based catalysts for use as anode catalysts in PEM water electrolysis. The claimed composite catalyst materials comprise iridium oxide (IrO2) and optionally ruthenium oxide (RuO2) in combination with a high surface area inorganic oxide (for example TiO2, Al2O3, ZrO2 and mixtures thereof). The inorganic oxide has a BET surface area in the range of 50 to 400 m2/g, a water solubility of lower than 0.15 g/l and is present in a quantity of less than 20 wt. % based on the total weight of the catalyst. The claimed catalyst materials are characterized by a low oxygen overvoltage and long lifetime in water electrolysis. The catalysts are used in electrodes, catalyst-coated membranes and membrane-electrode-assemblies for PEM electrolyzers as well as in regenerative fuel cells (RFC), sensors, and other electrochemical devices.Type: GrantFiled: June 1, 2011Date of Patent: September 11, 2012Assignee: Umicore AG & Co. KGInventors: Marco Lopez, Andreas Schleunung, Peter Biberbach
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Patent number: 8263523Abstract: A method for forming a cobalt-containing Fischer-Tropsch catalyst involves precipitating a cobalt oxy-hydroxycarbonate species by turbulent mixing, during which a basic solution collides with an acidic solution comprising cobalt. The method further involves depositing the cobalt oxy-hydroxycarbonate species onto an acidic support to provide a catalyst comprising cobalt and the acidic support. The acidic support comprises a zeolite, a molecular sieve, or combinations thereof.Type: GrantFiled: December 29, 2009Date of Patent: September 11, 2012Assignee: Chevron U.S.A. Inc.Inventors: Charles L. Kibby, Alfred Haas
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Patent number: 8258074Abstract: The invention is drawn to a catalyst having a substantially bimodal support phase and an active metal phase that is suitable and stable for desulfurization of high-olefin content naphtha streams with minimal octane-loss running at low hydrogen pressure. The active metal phase preferably includes cobalt, molybdenum and at least one additional metal selected from the alkali-metals group.Type: GrantFiled: March 24, 2005Date of Patent: September 4, 2012Assignee: Intevep, S.A.Inventors: Yilda Romero, Jorge Tejada, Jose de la Cruz Castro, Rosa Caldera
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Patent number: 8258075Abstract: To provide a catalyst for treating exhaust gases containing nitrogen monoxide, carbon monoxide and volatile organic compounds whose oxidation power has been enhanced without increasing the amount of precious metal supported thereon; a method for producing the same; and a method for treating exhaust gases. A catalyst for treating exhaust gases, including coat layers made up of a plurality of layers, an upper layer of which has an active component contained uniformly therein and a lower layer of which has no active component contained therein, can be obtained through the steps of: forming the lower layer by coating the surface of substrate with a slurry of a porous inorganic compound, followed by drying; and forming the upper layer, which is to be the top surface of the catalyst, by coating the surface of the lower layer with a slurry of a porous inorganic compound that has the active component composed of one or more precious metals supported thereon, followed by drying.Type: GrantFiled: September 28, 2007Date of Patent: September 4, 2012Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Katsumi Nochi, Masanao Yonemura, Yoshiaki Obayashi, Hitoshi Nakamura
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Publication number: 20120208696Abstract: A multimetallic nanoscale catalyst having a core portion enveloped by a shell portion and exhibiting high catalytic activity and improved catalytic durability. In various embodiments, the core/shell nanoparticles comprise a gold particle coated with a catalytically active platinum bimetallic material. The shape of the nanoparticles is substantially defined by the particle shape of the core portion. The nanoparticles may be dispersed on a high surface area substrate for use as a catalyst and is characterized by no significant loss in surface area and specific activity following extended potential cycling.Type: ApplicationFiled: April 23, 2012Publication date: August 16, 2012Inventors: Vojislav STAMENKOVIC, Nenad M. Markovic, Chao Wang, Hideo Daimon, Shouheng Sun
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Patent number: 8236262Abstract: A particulate desulfurization material includes one or more nickel compounds, a zinc oxide support material, and one or more alkali metal compounds wherein the nickel content of the material is in the range 0.3 to 10% by weight and the alkali metal content of the material is in the range 0.2 to 10% by weight. A method of making the desulfurization material includes the steps: (i) contacting a nickel compound with a particulate zinc support material and an alkali metal compound to form an alkali-doped composition, (ii) shaping the alkali-doped composition, and (iii) drying, calcining, and optionally reducing the resulting material. The desulfurization material may be used to desulfurize hydrocarbon gas streams with reduced levels of hydrocarbon hydrogenolysis.Type: GrantFiled: February 25, 2009Date of Patent: August 7, 2012Assignee: Johnson Matthey PLCInventors: Gavin Potter, Gordon Edward Wilson, Norman Macleod, Antonio Chica Lara, Avelino Corma Canos, Yonhy Saavedra Lopez
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Publication number: 20120196207Abstract: An electrode catalyst for a fuel cell, a method of preparing the same, and a membrane electrode assembly and a fuel cell including the same. The electrode catalyst includes a catalyst particle that incorporates a plurality of palladium atoms, a plurality of atoms of a transition metal, and a plurality of atoms of a precious metal having a higher standard reduction potential than the transition metal, where all of the plurality of atoms of the transition metal are respectively surrounded by at least one of the palladium atoms, the neighboring atoms of the transition metal, or the atoms of the precious metal.Type: ApplicationFiled: August 9, 2011Publication date: August 2, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Dae-jong YOO, Chan-ho PAK, Kang-hee LEE
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Publication number: 20120193222Abstract: Electrochemical reactors are provided that operate on the carbonate cycle at extremely low temperatures (e.g., less than 50° C.), thereby allowing operation in as many as three (3) modes, namely as: (i) a room temperature carbonate fuel cell; (ii) an electrochemically assisted CO2 membrane separator; and (iii) a CO2 conversion device. Electrocatalysts are also provided that have the ability to selectively form carbonate anions over hydroxide anions under fully humidified conditions. Exemplary electrocatalysts according to the present disclosure include pyrochlores.Type: ApplicationFiled: November 4, 2011Publication date: August 2, 2012Applicant: UNIVERSITY OF CONNECTICUTInventors: William Earl Mustain, JR., Jose Angel Vega, Neil Scott Spinner
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Patent number: 8227373Abstract: A catalyst and its use for the abatement of carbon monoxide and unburned hydrocarbons in the exit stream of a combustion device, such as an automobile and spray paint booths are disclosed.Type: GrantFiled: January 29, 2010Date of Patent: July 24, 2012Assignee: The University of ToledoInventors: Abdul-Majeed Azad, Desikan Sundararajan
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Patent number: 8227644Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.Type: GrantFiled: June 17, 2011Date of Patent: July 24, 2012Assignee: Celanese International CorporationInventors: Victor J. Johnston, Barbara F. Kimmich, Jan Cornelis van der Waal, James H. Zink, Virginie Zuzaniuk, Josefina T. Chapman, Laiyuan Chen
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Patent number: 8216963Abstract: A method for forming a cobalt-containing Fischer-Tropsch catalyst involves precipitating a cobalt oxy-hydroxycarbonate species by turbulent mixing, during which a basic solution collides with an acidic solution comprising cobalt. The method further involves depositing the cobalt oxy-hydroxycarbonate species onto a support material to provide a catalyst comprising cobalt and the support material. The support material comprises one or more of alumina, silica, magnesia, titania, zirconia, ceria-zirconia, and magnesium aluminate.Type: GrantFiled: December 29, 2009Date of Patent: July 10, 2012Assignee: Chevron U.S.A. Inc.Inventors: Charles L. Kibby, Alfred Haas
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Patent number: 8216956Abstract: A layered electrocatalyst for oxidizing ammonia, ethanol, or combinations thereof, comprising: a carbon support integrated with a conductive metal; at least one first metal plating layer at least partially deposited on the carbon support, wherein the at least one first metal plating layer is active to OH adsorption and inactive to a target species, and wherein the at least one first metal plating layer has a thickness ranging from 10 nanometers to 10 microns; and at least one second metal plating layer at least partially deposited on the at least one first metal plating layer, wherein the at least one second metal plating layer is active to the target species, and wherein the at least one second metal plating layer has a thickness ranging from 10 nanometers to 10 microns, forming a layered electrocatalyst.Type: GrantFiled: May 4, 2008Date of Patent: July 10, 2012Assignee: Ohio UniversityInventor: Gerardine G. Botte
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Publication number: 20120171461Abstract: A hydrogen storage alloy unit comprises a porous body 7 having a large number of holes (spaces) 9 allowing hydrogen atoms to pass through, and a hydrogen storage alloy covering a surface of the porous body 7, inclusive of surfaces of the holes thereof. The hydrogen storage alloy includes a hydrogen storage base formed of a hydrogen storage material, and a catalytic layer covering a surface of the hydrogen storage base. The porous body 7 is formed of an assembly of hydrogen storage fibers 8 formed by vapor-depositing the hydrogen storage alloy onto nanofibers.Type: ApplicationFiled: September 4, 2009Publication date: July 5, 2012Applicant: KABUSHIKI KAISHA ATSUMITECInventors: Naoki Uchiyama, Tomomi Kanai, Kazumi Harada
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Patent number: 8207084Abstract: According to at least one aspect of the present invention, a urea-resistant catalytic unit is provided. In at least one embodiment, the catalytic unit includes a catalyst having a catalyst surface, and a urea-resistant coating in contact with at least a portion of the catalyst surface, wherein the urea-resistant coating effectively reduces urea-induced deactivation of the catalyst. In at least another embodiment, the urea-resistant coating includes at least one oxide from the group consisting of titanium oxide, tungsten oxide, zirconium oxide, molybdenum oxide, aluminum oxide, silicon dioxide, sulfur oxide, niobium oxide, molybdenum oxide, yttrium oxide, nickel oxide, cobalt oxide, and combinations thereof.Type: GrantFiled: June 23, 2009Date of Patent: June 26, 2012Assignee: Ford Global Technologies, LLCInventors: Yisun Cheng, Yinyan Huang, Christine Kay Lambert
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Patent number: 8207327Abstract: The invention relates to a shell catalyst containing ruthenium as an active metal, alone or together with at least one other metal of the auxiliary group IB, VIIB or VIII of the periodical system of the elements (CAS version), and applied to a carrier containing silicon dioxide as a carrier material. The invention also relates to a method for producing said shell catalyst, and to a method for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols, using the inventive shell catalyst. The invention further relates to the use of the inventive shell catalyst for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols.Type: GrantFiled: June 20, 2006Date of Patent: June 26, 2012Assignee: BASF SEInventors: Frederik Van Laar, Michael Becker, Ekkehard Schwab, Jochem Henkelmann, Peter Polanek
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Publication number: 20120149787Abstract: A method of producing an alumina-supported cobalt catalyst for use in a Fischer-Tropsch synthesis reaction, which comprises: calcining an initial ?-alumina support material at a temperature to produce a modified alumina support material; impregnating the modified alumina support material with a source of cobalt; calcining the impregnated support material, activating the catalyst with a reducing gas, steam treating the activated catalyst, and activating the steam treated catalyst with a reducing gas.Type: ApplicationFiled: August 31, 2010Publication date: June 14, 2012Applicant: GTL.F1 AGInventors: Erling Rytter, Sigrid Eri, Rune Myrstad, Odd Asbjørn Lindvåg
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Publication number: 20120148478Abstract: The present invention relates to a process for the preparation of chlorine by gas phase oxidation using a supported catalyst based on ruthenium, characterised in that the catalyst support has a plurality of pores having a pore diameter>50 nm and carries nanoparticles containing ruthenium and/or ruthenium compounds as catalytically active components.Type: ApplicationFiled: July 14, 2010Publication date: June 14, 2012Applicant: Bayer MaterialScience AGInventors: Timm Schmidt, Christoph Gürtler, Jürgen Kintrup, Thomas Ernst Müller, Tim Loddenkemper, Frank Gerhartz, Walther Müller
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Publication number: 20120149555Abstract: A method for producing an alloy catalyst for redox reaction comprising alloy particles of platinum and nickel, wherein the alloy particles are equipped at an outer surface with a crystal lattice plane represented by a Miller index {111} and have an average particle diameter in a range of 6 to 20 nm, the method comprising: dissolving, in an alcohol, a salt and/or complex of platinum, a salt and/or complex of nickel, and a polymer containing a plurality of salt structures comprising an organic cation and a halogen anion in a polymer chain and heating the resulting solution to reflux under an inert atmosphere.Type: ApplicationFiled: December 7, 2011Publication date: June 14, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Ryogo Sakamoto, Kaoru Omichi, Masao Ichikawa
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Patent number: 8192707Abstract: A catalyst includes a platinum coating deposited on a silica support. The support has an average surface area between about 100 m2/g and about 120 m2/g. The platinum coating is between about 5 wt % and about 15 wt % of the catalyst. The combination of the selected surface area, silica support, and selected amount of platinum coating provides a catalytic activation temperature below 200° C. and avoids the formation of NOx.Type: GrantFiled: February 25, 2011Date of Patent: June 5, 2012Assignee: Hamilton Sundstrand Space Systems International, Inc.Inventors: Timothy A. Nalette, Catherine Thibaud-Erkey
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Publication number: 20120136164Abstract: The invention relates to a nanoparticulate material comprising long ultrathin metal nanowires, and to processes for making it. The nanoparticulate material may be used as a catalyst and, in the presence of a chiral modifier, can catalyse enantioselective reactions.Type: ApplicationFiled: March 30, 2010Publication date: May 31, 2012Applicant: Agency for Science, Technology and ResearchInventors: Jackie Y. Ying, Nandanan Erathodiyil, Hongwei Gu, Huilin Shao, Jiang Jiang
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Patent number: 8183174Abstract: A method for preparing a metal-doped ruthenium oxide material by heating a mixture of a doping metal and a source of ruthenium under an inert atmosphere. In some embodiments, the doping metal is in the form of iridium black or lead powder, and the source of ruthenium is a powdered ruthenium oxide. An iridium-doped or lead-doped ruthenium oxide material can perform as an oxygen evolution catalyst and can be fabricated into electrodes for electrolysis cells.Type: GrantFiled: October 15, 2009Date of Patent: May 22, 2012Assignee: California Institute of TechnologyInventors: Thomas I. Valdez, Sekharipuram R. Narayanan
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Patent number: 8178068Abstract: A catalyst charge for ammonia oxidation, including the Andrussow process, comprises a first stage ammonia oxidation catalyst capable of oxidizing 20 to 99% of designed ammonia throughput, to produce a first stage product gas comprising unreacted ammonia, oxygen and nitrogen oxides, and a second stage ammonia oxidation catalyst capable of completing the oxidation of unreacted ammonia. Low levels of nitrous oxide are produced an extended campaign lengths may be seen.Type: GrantFiled: April 27, 2004Date of Patent: May 15, 2012Assignee: Johnson Matthey PLCInventors: Sean Alexander Axon, Duncan Roy Coupland, Brian Thomas Horner, John Ridland, Ian Carmichael Wishart
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Patent number: 8178735Abstract: A process for the treatment of an olefinic fraction, using a catalyst prepared by a process comprising: a) The preparation of a colloidal oxide suspension of a first metal M1 by the neutralization of a basic solution by an acidic mineral solution that contains the precursor of the metal M1, b) Bringing into contact the precursor of the promoter M2, either directly in its crystallized form or after dissolution in aqueous phase, with the colloidal suspension that is obtained in stage a), c) Bringing into contact the colloidal suspension that is obtained in stage b) with the substrate, d) Drying at a temperature of between 30° C. and 200° C., under a flow of air.Type: GrantFiled: April 25, 2011Date of Patent: May 15, 2012Assignee: IFP Energies nouvellesInventors: Vincent Coupard, Denis Uzio, Carine Petit-Clair, Lars Fischer, Frederic Portejole
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Patent number: 8173324Abstract: A platinum alloy catalyst PtX, wherein the atomic percent of platinum in the bulk alloy is from 5 to 50 at %, the remaining being X, characterised in that the atomic percent of platinum at the surface of the alloy is from 10 to 80 at %, the remainder being X, provided that the at % of platinum at the surface of the alloy is at least 25% greater than the at % of platinum in the bulk alloy is disclosed.Type: GrantFiled: July 22, 2008Date of Patent: May 8, 2012Assignee: Johnson Matthey Public Limited CompanyInventors: Janet Mary Fisher, David Thompsett
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Patent number: 8173306Abstract: 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 0.5 to 15 atm %, respectively.Type: GrantFiled: March 18, 2008Date of Patent: May 8, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Itsuko Mizutani, Wu Mei, Taishi Fukazawa, Takahiro Sato, Yoshihiko Nakano
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Patent number: 8173572Abstract: A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabilizer ions. The metal oxide particles include one or more metals selected from a first group consisting of cerium, zirconium, iron, manganese and titanium, and one or more metals selected from a second group consisting of platinum, palladium, rhodium, ruthenium, iridium and osmium. The sols can be used to deposit catalytic coatings onto catalyst substrates, including substrates with narrow channels (i.e. channels with a diameter of less than 500 ?m).Type: GrantFiled: June 17, 2005Date of Patent: May 8, 2012Assignee: Johnson Matthey PLCInventor: Mark Robert Feaviour
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Patent number: 8173100Abstract: Catalytic system comprising at least two components: a catalyst for the hydrolysis reaction of metal borohydrides to hydrogen; and a material in solid form, the dissolution reaction of which in water is exothermic.Type: GrantFiled: October 22, 2009Date of Patent: May 8, 2012Assignee: Commisariat a l'Energie AtomiqueInventors: Philippe Capron, Jérôme Delmas, Nathalie Giacometti, Isabelle Rougeaux
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Publication number: 20120107204Abstract: A catalyst comprising: (a) a first layer comprising an oxidizing catalyst having an effective PGM loading such that oxidation of hydrocarbons generates sufficient heat to regenerate soot, wherein said effective amount of PGM is greater than about 10 g/ft3; and (b) a second layer adjacent to said first layer and comprising a reducing catalyst to selectively reduce NOx.Type: ApplicationFiled: September 15, 2011Publication date: May 3, 2012Applicant: Johnson MattheyInventor: Julian Peter Cox
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Patent number: 8168561Abstract: A core-shell catalyst material can include a core and a shell material. Each of the core material and the shell material can have crystal structures and lattice parameters which allow for a substantially coherent core-shell interface. The shell material can include a catalytically active metal. The circumferential stress of the shell material, ???, at the core-shell interface and at the shell surface, is greater than 0 (tensile) or can be compressive of a lower magnitude than a catalyst made of the shell material alone. The crystal structures of the core material can often be the same as the shell material, although this is not always required.Type: GrantFiled: July 31, 2009Date of Patent: May 1, 2012Assignee: University of Utah Research FoundationInventor: Anil V. Virkar
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Patent number: 8163669Abstract: Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a H2 product gas having a high H2 content and a low level of carbon oxides.Type: GrantFiled: August 25, 2009Date of Patent: April 24, 2012Assignee: Cabot CorporationInventors: Mark J. Hampden-Smith, Paolina Atanassova, Jian-Ping Shen, Paul Napolitano, James Brewster
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Publication number: 20120094199Abstract: The invention relates to a catalyst for electro-chemical applications comprising an alloy of platinum and a transition metal, wherein the transition metal has an absorption edge similar to the absorption edge of the transition metal in oxidic state, measured with x-ray absorption near-edge spectroscopy (XANES) wherein the measurements are performed in concentrated H3PO4 electrolyte. The invention further relates to a process for an oxygen reduction reaction using the catalyst as electrocatalyst.Type: ApplicationFiled: May 27, 2010Publication date: April 19, 2012Applicant: BASF SEInventors: Ekkehard Schwab, Sigmar Braeuninger, Alexander Panchenko, Claudia Querner, Oemer Uensal, Markus Vogt, Qinggang He, Nagappan Ramaswamy, Sanjeev Mukerjee
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Patent number: 8158549Abstract: A support of metal oxyfluoride or metal halide for a metal-based hydrogenation catalyst useful in hydrogenating fluoroolefins is provided.Type: GrantFiled: September 4, 2009Date of Patent: April 17, 2012Assignee: Honeywell International Inc.Inventors: Haiyou Wang, Hsueh Sung Tung
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Patent number: 8158550Abstract: The invention relates to a multilayer catalyst for the partial oxidation of hydrocarbons in gaseous phase, comprising a monolithic ceramic or metallic substrate having a solid macroporous structure consisting of one or more structures, on which a first active layer with a crystal-line perovskitic structure is deposited, having general formula AxA? 1-xByB? 1-YO3±? wherein: A is a cation of at least one of the rare earth elements, A? is a cation of at least one element selected from groups Ia, IIa and VIa of the periodic table of elements, B is a cation of at least one element selected from groups IVb, Vb, VIb, VIIb, or VIII of the periodic table of elements, B? is a cation of at least one element selected from groups IVb, Vb, VIb, VIIb or VIII of the periodic table of elements Mg2+ or Al3+, x is a number which is such that 0?x?1, y is a number which is such that 0?y?1, and ? is a number which is such that 0???0, 5, a second more external active layer consisting of a dispersion of a noble metal and a possible sType: GrantFiled: May 26, 2004Date of Patent: April 17, 2012Assignee: Consiglio Nazionale Delle RicercheInventors: Stefano Cimino, Francesco Donsi, Raffaele Pirone, Gennaro Russo
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Patent number: 8158554Abstract: A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of the noble metal particles, and suppress coagulation of the first compounds following mutual contact of the first compounds. The first compounds support the noble metal particles, and single piece or aggregate of the first compounds supporting the noble metal particles are included in a section partitioned by the second compounds. A coefficient of linear thermal expansion of the second compounds is 1.2×10?5 [K?1] or less.Type: GrantFiled: April 17, 2008Date of Patent: April 17, 2012Assignees: Nissan Motor Co., Ltd., RENAULT s.a.s.Inventors: Hironori Wakamatsu, Masanori Nakamura, Masahiro Takaya, Katsuo Suga, Hiroto Kikuchi, Jun Ikezawa
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Patent number: 8153549Abstract: A catalyst for treating an exhaust gas has at least a carrier and plural layers formed on the carrier, wherein at least one layer of the above plural layers has an interstice in the layer, and at least one layer of the above plural layers contains a catalyst component. The above catalyst for treating an exhaust gas allows the enhancement of the diffusion of an exhaust gas in a catalyst layer, which results in the improvement of catalyst efficiency.Type: GrantFiled: November 1, 2004Date of Patent: April 10, 2012Assignee: Johnson Matthey Public Limited CompanyInventors: Jin Cho, Kenji Tanikawa
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Patent number: 8148292Abstract: A method is provided for preparing a supported cobalt-containing catalyst having substantially homogenously dispersed, small cobalt crystallites. The method comprises depositing cobalt nitrate on a support and then heating the support in an oxygen-containing, substantially water-free atmosphere to about 160° C. to form an intermediate decomposition product. This intermediate decomposition product is then calcined and reduced.Type: GrantFiled: July 23, 2009Date of Patent: April 3, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Stuart L. Soled, Joseph E. Baumgartner, Christine E. Kliewer, El-Mekki El-Malki, Patricia A. Bielenberg
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Patent number: 8143186Abstract: A catalyst composition comprising cobalt as an active catalytic element and a lesser amount of nickel as a promoter supported on a metal oxide support. The support may comprise alumina, silica, silica-alumina, zeolite, zirconia, magnesia or titania. The amount of nickel is preferably less than 50 wt %, relative to the amount of cobalt.Type: GrantFiled: September 23, 2005Date of Patent: March 27, 2012Assignees: Statoil ASA, Petro SAInventor: Erling Rytter