And Group Iii Metal Containing (i.e., Sc, Y, Al, Ga, In Or Tl) Patents (Class 502/346)
  • Patent number: 7387983
    Abstract: A methanol reforming catalyst containing passivated copper and zinc oxide and/or alumina can be prepared by (1) precipitating or spray-drying a mixture of catalyst precursor components dissolved or suspended in a diluent in order to form a solid catalyst precursor in the form of powder or granules, (2) calcining and reducing the solid catalyst precursor obtained in stage (1), (3) passivating the reduced catalyst precursor obtained in stage (2) and (4) shaping the passivated catalyst precursor obtained in stage (3) to form the catalyst. A reduction in the volume shrinkage and an increase in the mechanical hardness during operation of the methanol reforming catalyst are achieved by the preparation process.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: June 17, 2008
    Assignees: BASF Aktiengesellschaft, Nucellsys GmbH
    Inventors: Markus Hölzle, Michael Jolyon Sprague, Klaus Harth, Martin Schüssler, Martin Karl, Stefan Boneberg
  • Patent number: 7381683
    Abstract: Supported catalysts are produced with nanometer sized particles comprised of different metals dispersed throughout the catalyst support material. The supported catalysts reduce substantially or completely the amount of platinum that is required without sacrificing catalytic performance. In place of platinum, the supported catalysts employ palladium, silver, or copper, all of which costs significantly less than platinum.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: June 3, 2008
    Assignee: NanoStellar, Inc.
    Inventors: Jian Wang, Xianghong Hao, Jifei Jia, Jonathan W. Woo
  • Patent number: 7358212
    Abstract: The invention relates to a method for producing a one-part, multinary metal oxide power which is suitable for producing high-temperature superconductors. To this end, a mixture of the corresponding metal salts and/or metal oxides and/or metals in the requisite stoichiometric ratio is introduced into a pulsed reactor with a pulsed gas flow resulting from flameless combustion and is partially or completely converted into the multinary metal oxide.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: April 15, 2008
    Assignee: Merck Patent GmbH
    Inventors: Stefan Remke, Bernd Mueller, Guenter Riedel, Stefan Ambrosius, Bernd Dahm
  • Patent number: 7341977
    Abstract: Compounds and methods for sorbing organosulfur compounds from fluids are provided. Generally, compounds according to the present invention comprise mesoporous, nanocrystalline metal oxides. Preferred metal oxide compounds either exhibit soft Lewis acid properties or are impregnated with a material exhibiting soft Lewis acid properties. Methods according to the invention comprise contacting a fluid containing organosulfur contaminants with a mesoporous, nanocrystalline metal oxide. In a preferred embodiment, nanocrystalline metal oxide particles are formed into pellets (14) and placed inside a fuel filter housing (12) for removing organosulfur contaminants from a hydrocarbon fuel stream.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 11, 2008
    Assignee: NanoScale Corporation
    Inventors: Kenneth Klabunde, Bill R. Sanford, P. Jeevanandam
  • Publication number: 20080033218
    Abstract: This invention is directed to a process for making alcohol from syngas, and a process for making olefin, as well as polyolefin, from the alcohol. The syngas is converted to a mixed alcohol stream using a catalyst comprising at least one oxide component. Upon contacting the catalyst with a desired syngas composition, a preferred mixed alcohol product is formed. Preferably, the syngas composition has a stoichiometric molar ratio of less than 2.
    Type: Application
    Filed: June 20, 2007
    Publication date: February 7, 2008
    Inventors: James R. Lattner, Matthew James Vincent, Kun Wang, Michel Molinier, Michael J. Veraa, Anthony F. Volpe, Hailian Li, Jeffrey C. Yoder, Mark Muraoka
  • Patent number: 7307040
    Abstract: A catalyst for the hydrogenation of C4-dicarboxylic acids and/or derivatives thereof, preferably maleic anhydride, in the gas phase comprises a) 20-94% by weight of copper oxide (CuO), preferably 40-92% by weight of CuO, in particular 60-90% by weight of CuO, and b) 0.005-5% by weight, preferably 0.01-3% by weight, in particular 0.05-2% by weight, palladium and/or a palladium compound (calculated as metallic palladium) and c) 2-79.995% by weight, preferably 5-59.99% by weight, in particular 8-39.95% by weight, of an oxidic support selected from the group consisting of the oxides of Al, Si, Zn, La, Ce, the elements of groups IIIA to VIIIA and of groups IA and IIA of the Periodic Table of the Elements.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: December 11, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Schlitter, Holger Borchert, Michael Hesse, Markus Schubert, Nils Bottke, Rolf-Hartmuth Fischer, Markus Rösch, Gunnar Heydrich, Alexander Weck
  • Patent number: 7304013
    Abstract: Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high surface area phase containing the catalytically active material, or reduced to a paste-like consistency, molded and dried to form a bulk catalyst. The processes and catalysts may be employed in various catalytic chemical processes to achieve high effectiveness factor of the catalytically active material while achieving a lower pressure drop.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: December 4, 2007
    Assignee: Corning Incorporated
    Inventors: William P. Addiego, Charles M. Sorensen, Jr.
  • Patent number: 7241718
    Abstract: The object of the present invention is to achieve excellent reforming ability even at lower temperatures, with a dimethyl ether steam reforming catalyst. According to the present invention, there is provided a dimethyl ether steam reforming catalyst capable of steam-reforming dimethyl ether to obtain hydrogen, comprising active alumina, Cu, and at least one element selected from the group consisting of Mn and Fe, the catalyst being prepared by a sol-gel method, and the catalyst having a porous structure.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: July 10, 2007
    Assignee: Suzuki Motor Corporation
    Inventors: Kaoru Takeishi, Kosei Yamamoto
  • Patent number: 7220699
    Abstract: A method and device for loading a catalyst into a chamber. The catalyst loading is well suited for production of hydrogen producing microreactors. The catalyst is coated onto a strip which is mountable within the chamber.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: May 22, 2007
    Assignee: Intelligent Energy, Inc.
    Inventor: Anand Chellappa
  • Patent number: 7172990
    Abstract: The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides and at least one metal compound which is dropped into a metal salt solution.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: February 6, 2007
    Assignee: Shell Internationale Research Maatschappiji, B.V.
    Inventors: Reinhard Geyer, Rainer Schödel, Peter Birke, Jürgen Hunold
  • Patent number: 7119237
    Abstract: Alcohols prepared by reacting carboxylic acids and/or carboxylic esters with hydrogen in the presence of a special catalyst.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: October 10, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Prinz, Jürgen Kintrup, Andreas Schulze Tilling, Jörg-Dietrich Jentsch, Gerald John, Hans-Jürgen Grob, Guido Giffels
  • Patent number: 7094729
    Abstract: A method of producing a Raney type catalyst, the method comprising melting together a Raney metal and aluminium to form an alloy mixture, pouring the mixture through a nozzle, directing a gas jet on to the mixture to form a spray of droplets, which droplets are directed on to a metallic substrate, the substrate material and thickness and latent heat and superheat of the sprayed material upon initial contact with the substrate being such that the temperature is sufficiently high for an exothermic reaction to take place between the alloy mixture and the substrate such that intermetallic bonds are formed therebetween, and subsequently chemically removing at least some of the aluminium from the sprayed material.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: August 22, 2006
    Assignee: Ceram Research Limited
    Inventors: Nicholas John Elsworth Adkins, Stephen Michael Andrew Sillitto, George Paul Yiasemides
  • Patent number: 7091155
    Abstract: A catalyst for ester production which comprises zirconium oxide, copper, and at least one oxide selected from the group consisting of zinc oxide, chromium oxide, aluminum oxide and silicon oxide, and is obtainable by reducing with hydrogen a catalyst precursor prepared by the reaction of a salt containing at least one of metals constituting the oxides, a zirconium salt and a copper salt with an alkali hydroxide; and a process for producing an ester which comprises bringing either an alcohol or an alcohol and an aldehyde into contact with this catalyst in a gas phase.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: August 15, 2006
    Assignee: Chisso Corporation
    Inventors: Kanichiro Inui, Takayoshi Takahashi, Toru Kurabayashi
  • Patent number: 7064097
    Abstract: A process for the preparation of water gas shift catalyst is described. The process includes mixing a copper salt and a zinc salt with an aluminum component in a solution, precipitating a precipitate from the solution, drying an forming the precipitate into the water gas shift catalyst. In an alternate process the aluminum component is prepared separately from the solution of the copper salt and the zinc salt prior to the mixing of the components. After the components are mixed a precipitate is precipitated from the solution, the precipitate is dried and formed into the catalyst.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: June 20, 2006
    Assignee: Sud-Chemie Inc.
    Inventors: Yeping Cai, Sally L. Davies, Jon P. Wagner
  • Patent number: 7060651
    Abstract: A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the 29Si MAS NMR spectrum the state of silicon is characterized by the presence of lines with chemical shifts ?100±3 ppm (line Q3) and ?110±3 ppm (line Q4), with the ratio of the integral intensities of the lines Q3/Q4 of from 0.7 to 1.2 (FIG. 1); in the IR spectrum there is an absorption band of hydroxyl groups with the wave number 3620–3650 cm?1 and half-width 65–75 cm?1 (FIG. 2); the carrier has a specific surface area, as measured by the BET techniques from the thermal desorption of argon, SAR=0.5–30 m2/g and the surface, as measured by alkali titration techniques, SNa=10–250 m2/g, with SNa/SAr=5–30.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: June 13, 2006
    Assignee: Zakrytoe Aktsionernoe Obschestvo “Kholdingovaya Katalizatornaya Kompania”
    Inventors: Viktor Vladimirovich Barelko, Bair Sydypovich Balzhinimaev, Sergei Petrovich Kildyashev, Mikhail Grigorievich Makarenko, Anatoly Nikolaevich Parfenov, Ljudmila Grigorievna Simonova, Alexandr Viktorovich Toktarev
  • Patent number: 7045485
    Abstract: A composition for controlling NOx emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silver and zinc.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: May 16, 2006
    Assignee: Engelhard Corporation
    Inventors: Chandrashekhar Pandurang Kelkar, David Stockwell, Samuel Tauster
  • Patent number: 7037877
    Abstract: The present invention provides a process for the preparation of an improved copper chromite catalyst for the hydrogenation of diethyl maleate to tetrahydrofuran with very high selectivity. This invention particularly relates to a process for the preparation of an improved copper chromite catalyst with specific composition and physical properties containing copper, chromium, zinc and aluminium as catalyst components in order to achieve selective production of tetrahydrofuran via single step hydrogenation of diethyl maleate. The calcination procedure has also been described to achieve the best activity. The catalyst has a life of more than 630 hours with constant activity. The used catalyst can also be regenerated to match the original hydrogenation activity.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: May 2, 2006
    Assignee: Council of Scientific and Industrial Research
    Inventors: Raghunath Vitthal Chaudhari, Rengaswamy Jaganathan, Sopan Tukaram Chaudhari, Chandrashekhar Vasant Rode
  • Patent number: 7033972
    Abstract: A catalyst for producing dimethyl ether which comprises alumina particles having an average size of 200 ?m or less and a methanol synthesis catalyst layer formed around the alumina particles. The methanol synthesis catalyst is in an amount of 0.05 to 5 parts by weight to 1 part by weight of the alumina particles. Dimethyl ether is produced by the method of forming a slurry by introducing the catalyst into a solvent and introducing a mixed gas comprising carbon monoxide and hydrogen into the slurry.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: April 25, 2006
    Assignee: JFE Holdings, Inc.
    Inventors: Tsutomu Shikada, Yotaro Ohno, Takashi Ogawa, Masatsugu Mizuguchi, Masami Ono, Kaoru Fujimoto
  • Patent number: 7033566
    Abstract: 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: Grant
    Filed: July 9, 2002
    Date of Patent: April 25, 2006
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Hironori Arakawa, Zhigang Zou, Kazuhiro Sayama
  • Patent number: 7025947
    Abstract: The present invention provides a method of producing a CuZnAlZr oxide catalyst consisting of reacting an aqueous NaOH solution and aqueous Na2CO3 solution with a mixture of aqueous solutions of each nitrate of Cu, Zn, Al, and Zr, producing a precipitate by coprecipitation, aging, filtering, washing and drying this precipitate to prepare a catalyst precursor consisting of a CuZnAlZr layered double hydroxide, and then obtaining a CuZnAlZr oxide by calcining this precursor in an air ambient atmosphere, a CuZnAlZr oxide catalyst, a CuZnZrCe oxide catalyst, a CoCuZnAl oxide catalyst for producing hydrogen by oxidative steam reforming a methanol, and methods of producing hydrogen gas consisting of converting methanol to hydrogen gas by oxidative steam reforming in the presence of air and steam using these oxide catalysts.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: April 11, 2006
    Assignee: Japan as represented by the Seccretary of Agency of Industrial Science and Technolopgy
    Inventors: Kenzi Suzuki, Velu Subramani, Toshihiko Osaki
  • Patent number: 7005404
    Abstract: A substrate having a catalytic surface thereon characterized as a coating of metal oxide and noble metal particles in the nominal diameter size distribution range of <3 microns, and more particularly <1 micron, is produced by thermal spraying a mixture of large size particles (e.g., in a nominal size distribution range of >10 micrometers) of hydroxides, carbonates or nitrates of the metals: cerium, aluminum, tin, manganese, copper, cobalt, nickel, praseodymium or terbium particles; and hydroxides, carbonates or nitrates of the noble metals: ruthenium, rhodium, palladium, silver, iridium, platinum and gold onto the substrate. The coating adheres to the surface and provides desirable catalyst properties.
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: February 28, 2006
    Assignee: Honda Motor Co., Ltd.
    Inventor: Ting He
  • Patent number: 6998366
    Abstract: Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 ?m. These catalysts are prepared by vapor deposition of the appropriate metals under reduced pressure. They are generally suitable for all known hydrogenation and dehydrogenation reactions and are extremely abrasion-resistant.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: February 14, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Mathias Haake, Gerhard Dörsam, Helmut Boos
  • Patent number: 6992039
    Abstract: A method for uniformly dispersing noble metal particles on a porous carrier by first mixing an alkoxide product of aluminum or silicon and a noble metal precursor together; then mixing a surfactant into the mixture; then mixing ammonia solution into the mixture to form a hydroxide of aluminum or silicon; then mixing a reducing agent into the mixture to convert the noble metal precursor into noble metal nanoparticles dispersed on the hydroxide; then separating the noble metal nanoparticles and the hydroxide from the mixture before calcining the hydroxide into an oxide of aluminum or silicon.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: January 31, 2006
    Assignees: General Motors Corporation, Chinese Academy of Sciences
    Inventors: Long Jiang, Jinru Li, Mei Cai, Jerry Dale Rogers
  • Patent number: 6974566
    Abstract: A process to produce mixed metal oxides and metal oxide compounds. The process includes evaporating a feed solution that contains at least two metal salts to form an intermediate. The evaporation is conducted at a temperature above the boiling point of the feed solution but below the temperature where there is significant crystal growth or below the calcination temperature of the intermediate. The intermediate is calcined, optionally in the presence of an oxidizing agent, to form the desired oxides. The calcined material can be milled and dispersed to yield individual particles of controllable size and narrow size distribution.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: December 13, 2005
    Assignee: Altair Nanomaterials Inc.
    Inventors: Bruce J. Sabacky, Timothy M. Spitler, Jan Prochazka
  • Patent number: 6964936
    Abstract: A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by experiment and supported by theory. In the first method, which is useful for noble metals as well as others, a negatively-charged species is introduced to the surface of a support in sub-ML coverage. The layer-by-layer growth of metal deposited onto the oxide surface is promoted because the adhesion strength of the metal-oxide interface is increased. This method can also be used to achieve nanoislands of metal upon sub-ML deposition. The negatively-charged species can either be deposited onto the oxide surface or a compound can be deposited that dissociates on, or reacts with, the surface to form the negatively-charged species.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: November 15, 2005
    Assignee: Sandia Corporation
    Inventor: Dwight R. Jennison
  • Patent number: 6939824
    Abstract: A highly durable exhaust emission control device which is provided in a container disposed in an intermediate portion of an exhaust system, wherein the exhaust emission control device comprises (1) a heat-resistant porous body having communicating pores, (2) a mixture of copper oxide and aluminum oxide supported on the surface of the porous body, and (3) platinum supported on the surface and an inner portion of the mixture, the grain size of the copper oxide being from 0.1 ?m to 50 ?m. The exhaust emission control device is manufactured by preparing the heat-resistant porous body; (2) applying to the porous body a slurry of a mixture of copper oxide and aluminum oxide and/or compounds convertible into these oxides by firing, and baking the mixture and/or compounds; and (3) applying a water-soluble platinum compound to the porous body, and baking the platinum compound. The platinum compound may be applied with the oxide mixture and/or the compounds of copper and aluminum to the porous body.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: September 6, 2005
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kouhei Shimoda, Syoji Nakagama, Tomohiko Ihara
  • Patent number: 6926880
    Abstract: A methanol reforming catalyst containing passivated copper and zinc oxide and/or alumina can be prepared by (1) precipitating or spray-drying a mixture of catalyst precursor components dissolved or suspended in a diluent in order to form a solid catalyst precursor in the form of powder or granules, (2) calcining and reducing the solid catalyst precursor obtained in stage (1), (3) passivating the reduced catalyst precursor obtained in stage (2) and (4) shaping the passivated catalyst precursor obtained in stage (3) to form the catalyst. A reduction in the volume shrinkage and an increase in the mechanical hardness during operation of the methanol reforming catalyst are achieved by the preparation process.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: August 9, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Hölzle, Michael Jolyon Sprague, Klaus Harth, Martin Schüssler, Martin Karl, Stefan Boneberg
  • Patent number: 6919066
    Abstract: Catalysts containing passivated copper and zinc oxide and/or alumina are prepared by (1) precipitating a mixture of catalyst precursor components dissolved or suspended in a diluent with anion-containing precipitating agents, washing and drying to form a solid catalyst precursor in the form of powder or granules, (2) calcining the solid catalyst precursor obtained in stage (1) to an anion content from the precipitating agent of from 0.1 to 2.5% by weight and (3) shaping and, if required, reducing and passivating the calcined catalyst precursor from stage (2) in any desired order to form the catalyst.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: July 19, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Hölzle, Michael Jolyon Sprague, Klaus Harth, Wolfgang Jürgen Pöpel
  • Patent number: 6916457
    Abstract: A non-chrome, copper-containing catalyst, Cu—Al—O and method of preparing the same are provided wherein the Cu—Al—O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO3)2) and sodium aluminate (Na2Al2O4) solutions using sodium carbonate (Na2CO3) as a precipitant. The precipitate is filtered, washed to removed excess sodium, and dried. The dried product, to be used in a powder form, is calcined at a preferred temperature of approximately 700° to 900° C. for approximately 1 to 4 hours. The dry powder, to be tableted or extruded, is calcined at a temperature of approximately 400° to 700° C. The activity of the Cu—Al—O catalyst can be promoted in hydrogenolysis applications by the addition of various agents. The Cu—Al—O catalyst can be employed in applications in place of Cu/Cr, or other copper based catalysts.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: July 12, 2005
    Assignee: Engelhard Corporation
    Inventor: Jianping Chen
  • Patent number: 6903050
    Abstract: Provided is a process for preparing a non-pyrophoric catalyst having about 2 to 20 wt. % of a copper component, wherein at least 50 wt. % of the copper component is in the form of a copper oxide, aluminum oxide-spinel. The catalyst can be prepared by forming a mixture of a copper precursor and an alumina precursor, coextruding the mixture, drying the coextrudate and calcining the dried coextrudate at a temperature of at least 600° C. In other aspects, the invention also relates to processes for the activation of copper-based catalysts and for the regeneration of deactivated copper-based catalysts.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: June 7, 2005
    Assignee: Engelhard Corporation
    Inventors: Oleg M. Ilinich, Wolfgang F. Ruettinger, Ronald T. Mentz, Robert J. Farrauto
  • Patent number: 6872684
    Abstract: Catalysts for oxychlorination of ethylene to 1,2-dichloroethane, comprising compounds of copper and magnesium supported on alumina, in which the copper, expressed as metal, is present in an amount of 7 to 12% by weight and the Mg/Cu ratio is 0.05 to 1, and wherein the ratio between the concentration of copper provided by the Al/Cu ratio at the surface and that provided by the Al/Cu ratio in the entire particle of the catalyst is from 0.8 to 1.3.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: March 29, 2005
    Assignee: Sud Chemie MT S.R.I.
    Inventors: Francesco Casagrande, Carlo Orsenigo
  • Patent number: 6852298
    Abstract: A composition for controlling NOx emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silver and zinc.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: February 8, 2005
    Assignee: Engelhard Corporation
    Inventors: Chandrashekhar P. Kelkar, David Stockwell, Samual Tauster
  • Patent number: 6844292
    Abstract: In a method of manufacturing a copper-zinc-aluminum-based methanol reforming catalyst by coprecipitation, the methanol reforming catalyst is obtained by using a copper compound, a zinc compound and aluminum hydroxide, mixing them with an alkaline substance to produce a precipitate, calcining the precipitate obtained, and reducing the calcined product. Thus, a method is provided for manufacturing a highly active, highly heat resistant and durable methanol reforming catalyst which can be used for a long time even under reaction conditions of 300° C. and higher.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: January 18, 2005
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Osamu Okada, Mitsuaki Echigo
  • Patent number: 6831037
    Abstract: The selectivity and activity of a silver-based olefin epoxidation catalyst is found to be a function of the pore size distribution in the alumina carrier on which it is deposited. Specifically it is found advantageous to provide a carrier which has a minimum of very large pores, (greater than 10 micrometers) and a water absorption of 35 to 55% and a surface area of at least 1.0 m2/g. A method of making such carriers is also described.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: December 14, 2004
    Assignee: Saint-Gobain Norpro Corporation
    Inventors: Thomas Szymanski, Donald J. Remus, John R. Lockemeyer, Randall Clayton Yeates, William H. Gerdes
  • Patent number: 6828272
    Abstract: The invention pertains to new catalyst systems for polycondensation reactions, for example for producing polyethylene terephthalate. In accordance with the invention, complex compounds with hydrotalcite-analogous structures of general formula [M(II)1−xM(III)x(OH)2]x+(An−x/n).mH2O are used, wherein M(II) represents divalent metals, preferably Mg or Zn or NI or Cu or Fe(II) or Co, and M(III) represents trivalent metals, for example Al or Fe(III), and A represents anions, preferably carbonates or borates. These catalysts can be calcinated and can be used in combination with phosphorus compounds that contain at least one hydrolyzable phosphorus-oxygen bond.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: December 7, 2004
    Assignee: Equipolymers GmbH
    Inventors: Jens-Peter Wiegner, Rolf Eckert, Volkmar Voerckel, Gunter Feix, Marion Sela, Sarat Munjal
  • Publication number: 20040242917
    Abstract: A catalyst for ester production which comprises zirconium oxide, copper, and at least one oxide selected from the group consisting of zinc oxide, chromium oxide, aluminum oxide and silicon oxide, and is obtainable by reducing with hydrogen a catalyst precursor prepared by the reaction of a salt containing at least one of metals constituting the oxides, a zirconium salt and a copper salt with an alkali hydroxide; and a process for producing an ester which comprises bringing either an alcohol or an alcohol and an aldehyde into contact with this catalyst in a gas phase.
    Type: Application
    Filed: November 15, 2002
    Publication date: December 2, 2004
    Applicant: CHISSO CORPORATION
    Inventors: Kanichiro Inui, Takayoshi Takahashi, Toru Kurabayashi
  • Patent number: 6800586
    Abstract: A composition for controlling NOx emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silver and zinc.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: October 5, 2004
    Assignee: Engelhard Corporation
    Inventors: Chandrashekhar P. Kelkar, David Stockwell, Samuel Tauster
  • Patent number: 6790423
    Abstract: A catalyst for the full oxidation of volatile organic compounds (VOC), particularly hydrocarbons, and of CO to CO2, comprising: a non-stoichiometric crystalline compound conventionally designated by a formula which corresponds to A14Cu24O41 (I), where A is Sr or a solid solution of Sr with alkaline-earth metals, alkaline metals, lanthanides; or a non-stoichiometric crystalline compound conventionally designated by a formula which corresponds to B4Cu5O10 (II), where B is Ca or a solid solution of Ca with alkaline-earth metals, alkaline metals, lanthanides; or mixtures thereof; and in that it is prepared in a form which has a large specific surface area, preferably larger than 25 m2/g; a method for preparing the catalysts; their use in methods for the full oxidation of VOC and of CO to CO2; and the oxidation methods.
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: September 14, 2004
    Assignee: Consiglio Nazionale delle Ricerche
    Inventors: Francesco Cino Matacotta, Gianluca Calestani, Chiara Dionigi, Petr Nozar
  • Patent number: 6787677
    Abstract: In a process for the catalytic hydrogenation of a carbonyl compound or a mixture of two or more carbonyl compounds in the presence of catalyst tablets which comprise an inorganic, TiO2-containing support and, as active component, copper or a mixture of copper with at least one metal selected from the group consisting of zinc, aluminum, cerium, nobel metals and metals of transition group VIII and whose copper surface area is not more than 10 m2/g, the diameter d and/or the height h of the tablets is less than 3 mm.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: September 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Koch, Steffen Maas, Wolfgang Jürgen Pöpel, Matthias Dernbach
  • Patent number: 6784135
    Abstract: A composition is provided that can be used, for example, in a fuel processor for a fuel cell system. The composition includes a first material such as a catalyst, and a second material such as a desiccant. The second material is capable of sorbing and desorbing a heat transfer material such as water, and is present in an amount sufficient to sorb an amount of the heat transfer material sufficient to remove a portion of the heat generated when the first material undergoes an exothermic reaction.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: August 31, 2004
    Assignee: Power Plug, Inc.
    Inventors: Anton Scholten, Peter F. M. T. Van Nisselrooy, Walter R. De Jongh, Jan Stokman
  • Patent number: 6777373
    Abstract: A catalyst is prepared by impregnating a &ggr;-alumina support with a magnesium salt, drying the product, and impregnating the product with a copper salt, preferably together with a lithium salt. The catalyst preferably contains 0.1 to 5% magnesium, 2 to 10% copper and 0 to 5% lithium, by weight, and is particularly effective in oxygen-based processes.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: August 17, 2004
    Assignee: EVC Technology AG
    Inventors: Diego Carmello, Marco Garilli, Pierluigi Fatutto, Letizia Caccialupi
  • Publication number: 20040147395
    Abstract: Copper/alumina compositions for use as, e.g., catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80° C. to decompose the complex, thereby depositing a basic copper carbonate compound on the surfaces of the pores of the transition alumina support. After reduction, the composition has a high copper surface area, expressed per unit weight of copper in the composition.
    Type: Application
    Filed: January 20, 2004
    Publication date: July 29, 2004
    Applicant: Johnson Matthey PLC
    Inventor: Cornelis Martinus Lok
  • Patent number: 6759365
    Abstract: Catalysts for the oxychlorination of ethylene to 1,2-dichloroethylene, comprising compounds of Cu and Mg supported on alumina, in which the copper content, expressed as Cu, is 2 to 8% by weight, the Mg/Cu atomic ratio is from 1.2 to 2.5, and the specific surface of the catalyst is from 30 to 130 m2/g.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: July 6, 2004
    Assignee: SUD Chemie Mt S.r.l.
    Inventors: Luigi Cavalli, Francesco Casagrande
  • Publication number: 20040082471
    Abstract: Provided is a process for preparing a non-pyrophoric catalyst having about 2 to 20 wt. % of a copper component, wherein at least 50 wt. % of the copper component is in the form of a copper oxide, aluminum oxide-spinel. The catalyst can be prepared by forming a mixture of a copper precursor and an alumina precursor, coextruding the mixture, drying the coextrudate and calcining the dried coextrudate at a temperature of at least 600° C. In other aspects, the invention also relates to processes for the activation of copper-based catalysts and for the regeneration of deactivated copper-based catalysts.
    Type: Application
    Filed: October 28, 2002
    Publication date: April 29, 2004
    Inventors: Oleg M. Ilinich, Wolfgang F. Ruettinger, Ronald T. Mentz, Robert J. Farrauto
  • Patent number: 6706660
    Abstract: A lean NOx catalyst and method of preparing the same is disclosed. The lean NOx catalyst includes a ceramic substrate, an oxide support material, preferably &ggr;-alumina, deposited on the substrate and a metal promoter or dopant introduced into the oxide support material. The metal promoters or dopants are selected from the group consisting of indium, gallium, tin, silver, germanium, gold, nickel, cobalt, copper, iron, manganese, molybdenum, chromium, cerium, vanadium, oxides thereof, and combinations thereof. The &ggr;-alumina preferably has a pore volume of from about 0.5 to about 2.0 cc/g; a surface area of between about 80 to 350 m2/g; an average pore size diameter of between about 3 to 30 nm; and an impurity level of less than or equal to 0.2 weight percent. In a preferred embodiment the &ggr;-alumina is prepared by a sol-gel method, with the metal doping of the &ggr;-alumina preferably accomplished using an incipient wetness impregnation technique.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: March 16, 2004
    Assignee: Caterpillar Inc
    Inventor: Paul W. Park
  • Patent number: 6703342
    Abstract: Copper/alumina compositions for uses as e.g. catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80° C. to decompose the complex thereby depositing a basic copper carbonate compound on the surfaces of the pores of transition alumina support. After reduction, the composition has a high copper surface area, expressed per unit weight of copper in the composition.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: March 9, 2004
    Assignee: Johnson Matthey PLC
    Inventor: Cornelis Martinus Lok
  • Patent number: 6693057
    Abstract: A low temperature copper/zinc/aluminum water gas shift catalyst is described. The catalyst is formed from a precursor, wherein the precursor includes aluminum in the form of hydrotalcite and aluminum separate from the hydrotalcite. A method of making the catalyst and a process for using the catalyst are also described.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: February 17, 2004
    Assignee: Sud-Chemie Inc.
    Inventors: Yeping Cai, Sally L. Davies, Jon P. Wagner
  • Patent number: 6683024
    Abstract: A sorbent composition is provided which can be used in the desulfurization of a hydrocarbon-containing fluid such as cracked gasoline or diesel fuel. The sorbent composition contains a support component and a promoter component with the promoter component being present as a skin on the support component. Such sorbent composition is prepared by a process of impregnating a support component with a promoter component, wherein the promoter component has been melted under a melting condition, followed by drying, calcining, and reducing to thereby provide the sorbent composition.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: January 27, 2004
    Assignee: ConocoPhillips Company
    Inventors: Gyanesh P. Khare, Donald R. Engelbert
  • Patent number: 6683021
    Abstract: Oxidation catalysts useful in the oxidation to CO2 and H2O of volatile organic compounds such as hydrocarbons comprising mixed oxides of copper, manganese and one or more rare-earth metals, wherein the metals can assume multiple valency states, having a percentage composition by weight, expressed as CuO, MnO and rare-earth oxides, in which the metal has the minimum value of 8-50%, 10-75% and 2-15%. The oxides are supported on inert porous inorganic oxides.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: January 27, 2004
    Assignee: SUD Chemie MT. S.R.L.
    Inventors: Alberto Cremona, Carlo Rubini, Edoardo Vogna
  • Patent number: 6680416
    Abstract: A process for preparing 1,2-dichloroethane by reacting about 2 mols of ethylene, about 4 mols of hydrogen chloride and about 1 mol of oxygen in the presence of a fixed bed of supported catalyst based on copper(II) chloride in only one reaction zone at a pressure of from 2 to 10 bar and at from 220 to 280° C.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: January 20, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Hebgen, Christopher William Rieker, Ruprecht Meissner
  • Patent number: 4947482
    Abstract: A neural network is implemented by discrete-time, continuous voltage state analog device in which neuron, synapse and synaptic strength signals are generated in highly parallel analog circuits in successive states from stored values of the interdependent signals calculated in a previous state. The neuron and synapse signals are refined in a relaxation loop while the synaptic strength signals are held constant. In learning modes, the synaptic strength signals are modified in successive states from stable values of the analog neuron signals. The analog signals are stored for as long as required in master/slaver sample and hold circuits as digitized signals which are periodically refreshed to maintain the stored voltage within a voltage window bracketing the original analog signal.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: August 7, 1990
    Assignee: West Virginia University
    Inventor: Paul B. Brown