Of Group Viii (i.e., Iron Or Platinum Group) Patents (Class 502/258)
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Patent number: 7601670Abstract: A method of producing catalyst powder of the present invention has a step of precipitating any one of a noble metal particle (5) and a transition metal particle (10) in a reversed micelle (1); a step of precipitating, in the reversed micelle (1) in which any one of the noble metal particle (5) and the transition metal particle (10) is precipitated, a porous support material (7) which supports the noble metal particle (5) and the transition metal particle (10); and a step of precipitating the other of the noble metal particle (5) and the transition metal particle (10) in the reversed micelle (1) in which any one of the noble metal particle (5).Type: GrantFiled: February 8, 2005Date of Patent: October 13, 2009Assignee: Nissan Motor Co., Ltd.Inventors: Hirofumi Yasuda, Katsuo Suga, Masanori Nakamura, Hironori Wakamatsu, Kazuyuki Shiratori, Toru Sekiba
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Patent number: 7598203Abstract: Provided are a hydrogenation catalyst for hydrocarbon oil, having markedly improved desulfurization activity, denitrogenation activity, and dearomatization activity; a carrier for the catalyst and its production; and a method of hydrogenation of hydrocarbon oil with the catalyst.Type: GrantFiled: January 17, 2007Date of Patent: October 6, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Narinobu Kagami, Ryuichiro Iwamoto
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Patent number: 7592290Abstract: The invention relates to supported catalysts and a process for the production of these catalysts. These supported catalysts may be used in various reactions such as reforming reactions (e.g. steam methane reforming (SMR) reactions and autothermal reforming (ATR) reactions). In one aspect of the invention, the supported catalyst comprises a transition metal oxide; optionally a rare-earth metal oxide; and a transition metal aluminate.Type: GrantFiled: April 7, 2005Date of Patent: September 22, 2009Assignee: Sulzer Metco(Canada) Inc.Inventors: Syed Tajammul Hussain, Eugene Stelmack
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Publication number: 20090226357Abstract: The invention concerns a process for preparing metallic nanoparticles with an anisotropic nature by using two different reducing agents, preferably with different reducing powers, on a source of a metal selected from columns 8, 9 or 10 of the periodic table of the elements.Type: ApplicationFiled: November 14, 2006Publication date: September 10, 2009Inventors: Denis Uzio, Catherine Verdon, Cecile Thomazeau, Bogdan Harbuzaru, Gilles Berhault
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Patent number: 7585811Abstract: A method of producing catalyst powder of the present invention has a step of precipitating a noble metal particle (2) and a porous carrier (1) in a reversed micelle substantially simultaneously; and a step of precipitating a transition metal particle (3) in the reversed micelle. By this method, it is possible to obtain catalyst powder which restricts an aggregation of the noble metal particles even at a high temperature and is excellent in a catalytic activity.Type: GrantFiled: February 10, 2005Date of Patent: September 8, 2009Assignee: Nissan Motor Co., Ltd.Inventors: Masanori Nakamura, Katsuo Suga, Toru Sekiba, Hironori Wakamatsu, Kazuyuki Shiratori, Hirofumi Yasuda
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Patent number: 7585808Abstract: The present invention is directed to processes for preparing supported metal catalysts comprising one or more catalytically active metals applied to a porous catalyst support and to processes that use such catalysts. The process requires the formation of an organic complex during the manufacture of the catalyst which after its formation is either partially or fully decomposed before reduction if the metal to form the catalyst. The catalysts have high levels of metal dispersion and uniform distribution of catalytically active metals on the support. The catalysts obtained form the processes are particularly effective in catalysing Fischer-Tropsch reactions and as adsorbants for the removal or organosulfur compounds from hydrocarbons.Type: GrantFiled: November 18, 2003Date of Patent: September 8, 2009Assignee: ExxonMobil Research and Engineering CompanyInventors: Andrzel Malek, James Clarke Vartuli, Stuart Leon Soled, Sabato Miseo, Jennifer Schaefer Feeley, Gary L. Casty, Gabor Kiss, Jeffrey M. Dysard, Joseph Ernest Baumgartner, Christine E. Kliewer, Steven T Ragomo
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Patent number: 7582202Abstract: A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) framework hydroxide, and (c) a replaceable anion. This composition has various catalytic applications.Type: GrantFiled: February 10, 2004Date of Patent: September 1, 2009Assignees: Akzo Nobel N.V., Albemarle Netherlands B.V.Inventors: William Jones, Paul O'Connor, Dennis Stamires
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Patent number: 7566393Abstract: 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: GrantFiled: April 26, 2005Date of Patent: July 28, 2009Assignee: NanoScale CorporationInventors: Kenneth Klabunde, Bill R. Sanford, P. Jeevanandam
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Patent number: 7563745Abstract: The invention relates to a shaped catalyst or catalyst precursor containing a catalytically active component or a precursor therefore, the component selected from elements of Group VIII of the Periodic Table of the Elements, supported on a carrier, which catalyst or catalyst precursor is an elongated shaped particle having three protrusions each extending from and attached to a central position, wherein the central position is aligned along the longitudinal axis of the particle, the cross-section of the particle occupying the space encompassed by the outer edges of six circles around a central circle, each of the six circles touching two neighboring circles while three alternating circles are equidistant to the central circle and may be attached to the central circle, minus the space occupied by the three remaining outer circles and including the six interstitial regions.Type: GrantFiled: June 6, 2003Date of Patent: July 21, 2009Assignee: Shell Oil CompanyInventors: Arend Hoek, Hans Michiel Huisman, Carolus Matthias Anna Maria Mesters
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Patent number: 7563743Abstract: This invention relates to doped catalysts on an aluminosilicate substrate with a low content of macropores and the hydrocracking/hydroconversion and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by the elements of group VIB and group VIII of the periodic table and a dopant in a controlled quantity that is selected from among phosphorus, boron, and silicon and a non-zeolitic substrate with a silica-alumina base that contains a quantity of more than 15% by weight and of less than or equal to 95% by weight of silica (SiO2).Type: GrantFiled: September 8, 2005Date of Patent: July 21, 2009Assignee: Institute Francais du PetroleInventors: Patrick Euzen, Alexandra Chaumonnot, Carole Bobin, Patrick Bourges, Christophe Gueret, Hugues Dulot
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Patent number: 7557062Abstract: An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks.Type: GrantFiled: February 20, 2004Date of Patent: July 7, 2009Assignee: Shell Oil CompanyInventors: Laszlo Domokos, Hermanus Jongkind, Willem Hartman Jurriaan Stork, Johanna Maria Helena Van den Tol-Kershof
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Publication number: 20090155152Abstract: A first catalyst for reducing nitrogen oxides comprising a crystalline silicate containing an iron in ?-framework structure wherein a SiO2/Fe2O3 mol ratio is 20-300 and at least 80% of the contained iron is an isolated iron ion Fe3+. A second catalyst for reducing nitrogen oxides comprising a crystalline silicate containing an iron in ?-framework structure wherein a SiO2/Fe2O3 mol ratio is 20-300 and log (SiO2/Al2O3) by mol is at least 2. A predominant part of the contained iron is isolated iron ion Fe3+ and at least a part thereof preferably has a tetrahedral coordination. These catalysts have high hydrothermal stability and exhibit enhanced activity for reducing nitrogen oxides by a reaction with a reducing agent such as ammonia, urea or an organic amine in a broad temperature range between lower temperature and higher temperature.Type: ApplicationFiled: April 28, 2008Publication date: June 18, 2009Applicant: TOSOH CORPORATIONInventors: Yusuke NARAKI, Kou ARIGA, Hidekazu AOYAMA
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Patent number: 7541012Abstract: The present invention features a catalytic material which includes a metal catalyst anchored to a nano-sized crystal containing a metal oxide. Furthermore, the present invention features a method of producing the catalytic material described herein. Finally, the present invention features using the catalytic material for removing contaminants and for getting the desired products.Type: GrantFiled: July 7, 2004Date of Patent: June 2, 2009Assignee: The Hong Kong University of Science and TechnologyInventors: King Lun Yeung, Nan Yao, Ka Yee Ho
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Patent number: 7538065Abstract: An improved noble metal-containing catalyst containing a specific ratio of silica to aluminum in the framework suitable for use in the hydroprocessing of hydrocarbonaceous feeds, which is directed at a catalyst comprising a hydrogenation-dehydrogenation component selected from the Group VIII noble metals and mixtures thereof on a mesoporous support having aluminum incorporated into its framework and an average pore diameter of about 15 to less than about 40 ?.Type: GrantFiled: August 17, 2005Date of Patent: May 26, 2009Assignee: International Business Machines CorporationInventors: Stephen J. McCarthy, Wenyih F. Lai, Sylvain S. Hantzer, Ian A. Cody
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Patent number: 7538066Abstract: This invention relates to supported multi-metallic catalysts for use in the hydroprocessing of hydrocarbon feeds, as well as a method for preparing such catalysts. The catalysts are prepared from a catalyst precursor comprised of at least one Group VIII metal and a Group VI metal and an organic agent selected from the group consisting of amino alcohols and amino acids.Type: GrantFiled: September 29, 2005Date of Patent: May 26, 2009Assignee: Exxonmobil Research and Engineering CompanyInventors: Stuart L. Soled, Sabato Miseo, Joseph E. Baumgartner, Christine E. Kliewer, Jeffrey T. Elks
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Publication number: 20090121613Abstract: A method for producing a carbon nanotube assembly, the method controlling a growth density of carbon nanotubes on a substrate, includes: a step for preparing a catalyst particle dispersed film-formed substrate including a catalyst particle dispersed film in which metal catalyst particles having a predetermined particle diameter are dispersed among barrier particles; and a thermal CVD step for growing carbon nanotubes from the metal catalyst particles serving as starting points by heat decomposition of an organic compound vapor.Type: ApplicationFiled: September 10, 2008Publication date: May 14, 2009Applicant: NIKON CORPORATIONInventors: Yusuke Taki, Kiyoaki Shinohara, Makiko Kikuchi
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Patent number: 7518023Abstract: 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: GrantFiled: December 14, 2006Date of Patent: April 14, 2009Assignee: Shell Internationale Research Maatschappij, B.V.Inventors: Reinhard Geyer, Rainer Schödel, Peter Birke, Jürgen Hunold
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Publication number: 20090088317Abstract: A reduction catalyst having a first metal component comprising one of Co, Os, Fe, Re, Rh and Ru. The first metal component is present in the catalyst at from 0.5 percent to 20 percent, by weight. A second metal component differing from the first metal component present in the catalyst with the second metal component being selected from the group consisting of Fe, Mn, Ru, Os, Rh, Ir, Ni, Pd, Pt, Ag, Au, Zn, Co, Re, Cu, Pb, Cr, W, Mo, Sn, Nb, Cd, Te, V, Bi, Ga and Na. A hydrogenation catalyst comprising one or both of Ni and Co and one or more elements selected from the group consisting of Mn, Fe, Ag, Au, Mo and Rh.Type: ApplicationFiled: September 28, 2007Publication date: April 2, 2009Inventors: John G. Frye, JR., Johnathan E. Holladay, Danielle S. Muzatko, James F. White, Alan H. Zacher
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Publication number: 20090078157Abstract: The invention is directed to a synthetic inorganic material, comprising inorganic compounds based on elementary particles with a sheet (phyllosilicate) structure, the elementary particles consisting of a central layer of octahedrally coordinated divalent metal ions between two layers of tetrahedrally surrounded silicon ions, which particles are substantially free of aluminum, free silica and salts and hydroxides of the divalent metal ions, the material not containing any metal ions that can be reduced to the corresponding metals at temperatures of 700° C. or less.Type: ApplicationFiled: May 1, 2006Publication date: March 26, 2009Applicant: Eurosupport B.V.Inventors: John Wihelm Geus, Jacobus Berend Dirksen
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Publication number: 20090075814Abstract: A catalyst support solution for improving the attrition resistance of a Fischer-Tropsch catalyst, the solution comprising: crystalline silica and at least one chemical promoter selected from alkali metal bases, wherein the support solution has a pH of greater than or equal to about 7. A structurally promoted catalyst comprising: crystalline silica; at least one basic chemical promoter; and iron; wherein the catalyst comprises SiO2:Fe in a ratio of from about 2:100 to about 24:100. A method of producing a structurally promoted precipitated iron catalyst, the method comprising: forming the structural support solution described above; stirring the support solution for a time to dissolve the silica in the solution; adding the support solution to a precipitated iron catalyst slurry to form an attrition resistant catalyst slurry; and drying the attrition resistant catalyst slurry to yield the structurally promoted precipitated iron catalyst.Type: ApplicationFiled: September 10, 2008Publication date: March 19, 2009Applicant: RENTECH, INC.Inventors: Dawid J. Duvenhage, Belma Demirel
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Publication number: 20090039055Abstract: A method for making an aligned carbon nanotube includes the steps of a) applying a layer of a ferrosilicon alloy film onto a substrate, b) etching the layer of the ferrosilicon film to form a plurality of fine ferrosilicon alloy particles that are distributed properly on the substrate, and c) placing the substrate of step (b) into a microwave plasma enhanced chemical vapor deposition system, and supplying a mixture of a carbon-containing reaction gas and a balance gas at a predetermined flow ratio so as to grow carbon nanotubes on the fine ferrosilicon alloy particles, wherein said ferrosilicon alloy of step (a) comprises silicon ranging from 15 wt % to 25 wt %; and step (c) is conducted at a temperature ranging from 300 to 380° C.Type: ApplicationFiled: September 15, 2008Publication date: February 12, 2009Applicant: National Cheng Kung UniversityInventors: Jyh-Ming Ting, Kun-Hou Liao
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Publication number: 20090041646Abstract: Provided is a catalyst for reducing and decomposing oxygen in gas, highly efficiently and stably in from a low temperature region to a relatively high temperature region, in the presence of a reducing substance, containing at least one kind of a metal oxide selected from the group consisting of Ti, Si, W, Mo, Zr and Fe, as a catalyst component A; and at least one kind of a metal selected from the group consisting of Pt, Pd, Rh, Ir, Ru, Ni and Co, and/or a metal oxide thereof, as a catalyst component B; in removing oxygen, presence of a reducing substance in gas is effective.Type: ApplicationFiled: March 15, 2006Publication date: February 12, 2009Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Mitsuaki Ikeda, Kazunori Yoshino, Toshikatsu Ikenogami, Atsushi Morita
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Publication number: 20090036558Abstract: The present invention relates to a process for the conversion of synthesis gas to hydrocarbons in the presence of a modified supporter Fischer-Tropsch catalyst composition.Type: ApplicationFiled: September 29, 2008Publication date: February 5, 2009Applicants: BP Exploration Operating Company Limited, Davy Process Technology LimitedInventors: Josephus Johannes Helena Maria Font Freide, Lawrence Trevor Hardy
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Publication number: 20090011925Abstract: A catalytically active glass-ceramic and method for producing a catalytically active multi-phase glass-ceramic in which at least one catalyst precursor is mixed with a glass-ceramic precursor formulation to form a catalyst precursor/glass-ceramic precursor mixture. The catalyst precursor/glass-ceramic precursor mixture is then melted to form an amorphous glass material which, in turn, is devitrified to form a polycrystalline ceramic. The polycrystalline ceramic is then activated, forming a catalytically active multi-phase glass-ceramic.Type: ApplicationFiled: July 6, 2007Publication date: January 8, 2009Inventors: Larry Gordon Felix, David Morrissey Rue, Thomas Philip Seward, III, Logan Edwin Weast
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Patent number: 7473666Abstract: A particulate porous ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile by reacting propylene, isobutene or tert-butyl alcohol with molecular oxygen and ammonia in a fluidized-bed reactor, the catalyst comprising a metal oxide and a silica carrier having supported thereon the metal oxide, wherein the metal oxide contains at least two elements selected from the group consisting of molybdenum, bismuth, iron, vanadium, antimony, tellurium and niobium, and the catalyst having a particle diameter distribution wherein the amount of catalyst particles having a particle diameter of from 5 to 200 ?m is from 90 to 100% by weight, based on the weight of the catalyst, and having a pore distribution wherein the cumulative pore volume of pores having a pore diameter of 80 ? or less is not more than 20%, based on the total pore volume of the catalyst and wherein the cumulative pore volume of pores having a pore diameter of 1,000 ? or more is not more than 20%, based on the total pore volume of theType: GrantFiled: February 27, 2004Date of Patent: January 6, 2009Assignee: Asahi Kasei Chemicals CorporationInventors: Hiroyuki Yanagi, Hideo Midorikawa, Tutomu Ueda
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Publication number: 20080311291Abstract: Process for the production of doped metal oxide particles, wherein the doping component is present on the surface in the form of domains, wherein in a first reaction zone, an oxidizable and/or - hydrolysable metal compound as dopant together with an atomization gas is atomised into a flow of metal oxide particles in a carrier gas, wherein the mass flow of the metal oxide particles und - the mass flow of the dopant are selected such that the doped metal oxide particles contain 10 ppm to 10 wt.Type: ApplicationFiled: October 10, 2006Publication date: December 18, 2008Applicant: EVONIK DEGUSSA GmbhInventors: Kai Schumacher, Rainer Golchert, Helmut Roth, Harald Alff, Matthias Rochnia
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Publication number: 20080306172Abstract: A method of preparing, preferably recycling, a catalyst support material is disclosed and is particularly applicable to recycling a titania support. The invention includes crushing the used catalyst support that is obtained by leaching catalytic components from a used supported catalyst and preferably combining it with new catalyst support in order to provide the required average particle size and ratio of crystal phases. The invention has a number of benefits including making use of used catalyst support materials which have been conventionally disposed of and also providing a method to more efficiently recycle the active component. Where the support is recycled for a similar application, less promoter may be required.Type: ApplicationFiled: December 21, 2005Publication date: December 11, 2008Inventors: Marinus Johannes Reynhout, Guy Lode Magda Maria Verbist
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Patent number: 7449424Abstract: A method for producing a catalytically-active material having at least one base component and at least one catalytically-active component in which the at least one base component is heated to a softening or melting temperature to form a softened or molten base component. While the base component is in the softened or molten state, at least one catalytically-active component is incorporated into or onto the base component, forming the catalytically-active material. In accordance with one embodiment, a catalyst precursor is introduced into the base component and subsequently transformed to a catalytically-active component.Type: GrantFiled: March 8, 2005Date of Patent: November 11, 2008Assignee: Gas Technology InstituteInventors: Larry Gordon Felix, David M. Rue, Rachid B. Slimane
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Publication number: 20080262113Abstract: A process for preparing a Fischer-Tropsch catalyst comprising the steps of a) providing a particle comprising a support and having a catalytically active metal homogenously distributed therein, wherein at least 50 wt % of the catalytically active metal is present as divalent oxide or divalent hydroxide; b) treating the particle with a water vapour comprising gas having a relative humidity of at least 80% or with liquid water for at least two hours; and c) drying the catalyst particle.Type: ApplicationFiled: April 9, 2008Publication date: October 23, 2008Inventors: Hans Peter Alexander Calis, Marinus Johannes Reynhout, Guy Lode Magda Maria Verbist
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Publication number: 20080241467Abstract: Mixed particles including noble metal particles of a noble metal, first particles of one or more metal oxides, and second particles of a metal oxide. The first particles of one or more metal oxides are selected from Al2O3, SiO2, ZrO2 and TiO2. The second particles of a metal oxide have a larger adsorptive interaction with the noble metal of the noble metal particles as compared with the metal oxide of the first particles. The noble metal particles are carried by the second particles in a larger proportion than by the first particles.Type: ApplicationFiled: October 30, 2007Publication date: October 2, 2008Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Takahiko Ido, Yoshihiro Koga, Yuji Akema
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Publication number: 20080234125Abstract: A catalyst and a method for selective hydrogenation of acetylene and dienes in light olefin feedstreams are provided. The catalyst retains higher activity and selectivity after regeneration than conventional selective hydrogenation catalysts. The catalyst contains a first component and a second component supported on an inorganic support. The inorganic support contains at least one salt or oxide of zirconium, a lanthanide, or an alkaline earth.Type: ApplicationFiled: June 2, 2008Publication date: September 25, 2008Inventors: Yongqing Zhang, Stephen J. Golden
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Patent number: 7425647Abstract: A process for preparing a catalyst by (a) selecting a carrier which is a silica based carrier which has been subjected to a series of washings with one or more aqueous liquids consisting of aqueous liquids which have a pH of least 3, when measured at 20° C., or which is a silica based carrier which is formed from materials one or more of which have been subjected to this series of washings, (b) precipitating a Group 8 metal compound onto the carrier, (c) converting the precipitated Group 8 metal compound into metallic species, and (d) subjecting the Group 8 metal/carrier composition to a purification treatment, before or after step (c); a catalyst which is obtainable by this process; and a process for preparing an alkenyl carboxylate by reacting a mixture comprising an olefin, a carboxylic acid and oxygen in the presence of the catalyst.Type: GrantFiled: March 28, 2002Date of Patent: September 16, 2008Assignee: Shell Oil CompanyInventors: Michael Francis Lemanski, John Robert Lockemeyer
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Patent number: 7422995Abstract: The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nickel, preferably a Fischer-Tropsch catalyst, to the preparation of such a catalyst and the use thereof in GTL processes.Type: GrantFiled: April 30, 2004Date of Patent: September 9, 2008Assignee: BASF Catalysts LLCInventors: Cornelis Roeland Baijense, Geoffrey Johnson, Ahmad Moini
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Patent number: 7348289Abstract: A catalyst body of the present invention includes: a porous carrier in which a large number of aggregate particles containing a main component of a nonoxide ceramic are bonded to one another while a large number of pores are disposed; and a catalyst layer carried on the porous carrier and containing a compound of an alkali metal, wherein the porous carrier has an oxide film unavoidably formed on a part of the surface of the aggregate particles, and an oxide film protective layer formed of a material which does not form low-melting glass with the alkali metal is further disposed between the oxide film and the catalyst layer in such a manner as to coat at least a part of the oxide film.Type: GrantFiled: November 19, 2003Date of Patent: March 25, 2008Assignee: NGK Insulators, Ltd.Inventors: Shuichi Ichikawa, Yasushi Uchida
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Patent number: 7348293Abstract: A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broader line width and lower intensity than is exhibited by the base-metal oxide is disclosed. More specifically, a homogeneous, amorphous silica-modified-alumina catalyst support useful in the Fischer-Tropsch process is disclosed. A silica-modified-Alumina catalyst support of the present invention maintains the desirable properties of alumina and exhibits higher resistance to acid than unmodified alumina.Type: GrantFiled: December 5, 2003Date of Patent: March 25, 2008Assignee: Chevron U.S.A. Inc.Inventor: Hye Kyung C. Timken
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Patent number: 7345214Abstract: A catalyst for opening naphthenic rings has been developed. The catalyst comprises ruthenium and platinum as the active catalytic metals and a modifier with cerium being a preferred modifier. At least 50% of the platinum and ruthenium components are present as particles wherein more ruthenium is present on the surface of the particles than in the center. All of these components are dispersed on a metal oxide support such as aluminas. A ring opening process using the catalyst is also described.Type: GrantFiled: October 3, 2005Date of Patent: March 18, 2008Assignee: UOP LLCInventors: Feng Xu, Lorenz J. Bauer, Ralph D. Gillespie, Maureen L. Bricker, Steven A. Bradley
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Patent number: 7341977Abstract: 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: GrantFiled: June 20, 2003Date of Patent: March 11, 2008Assignee: NanoScale CorporationInventors: Kenneth Klabunde, Bill R. Sanford, P. Jeevanandam
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Patent number: 7323432Abstract: A catalyst assembly comprising a substrate, nanofilaments which have a nanometer-size diameter and are formed on the substrate, and particles which have a nanometer-size diameter, at least one of the nanofilaments and the particles having a catalytic function, is provided to use a catalyst more efficiently and to provide a catalytic function more efficiently. Interstices between the nanofilaments serve as distribution channels of a reactive gas, and the reactive gas spreads sufficiently not only around the ends of nanofilaments but also inside a catalyst assembly. A combination of nanofilaments and particles enables dispersion of a catalyst at a distance of not more than about 100 nanometers.Type: GrantFiled: August 21, 2003Date of Patent: January 29, 2008Assignees: DENSO Corporation, Koichi Niihara, Tadachika NakayamaInventors: Koichi Niihara, Tadachika Nakayama, Jun Hasegawa, Miho Ito
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Publication number: 20080015267Abstract: An improved skeletal iron catalyst is provided for use in Fischer-Tropsch synthesis reactions for converting CO and H2 to hydrocarbon products. The skeletal iron catalyst is manufactured using iron and a removable non-ferrous component such as aluminum. The iron and removable non-ferrous component are mixed together to form a precursor catalyst and then a portion of the removable non-ferrous component is removed to leave a skeletal iron catalyst. One or more first promoter metals and optionally one or more second promoter metals are incorporated into the skeletal iron catalyst either by blending the promoter into the precursor catalyst during the formation thereof or by depositing the promoter on the skeletal iron. The first promoter metals comprises a metal selected from the group consisting of titanium, zirconium, vanadium, cobalt, molybdenum, tungsten, and platinum-group metals.Type: ApplicationFiled: July 14, 2006Publication date: January 17, 2008Applicant: HEADWATERS NANOKINETIX, INC.Inventors: Yijun Lu, Zhihua Wu, Zhenhua Zhou, Bing Zhou
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Patent number: 7307038Abstract: Processes for preparing a composition comprising (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth metal, and mixtures thereof, and (iii) an oxygen storage component are disclosed. Preferably, the process comprise forming a single slurry of components (i)–(iii), spray drying and calcining to obtain metal oxide particles comprising components (i)–(iii). Preferably, the slurry comprise a base peptized acidic metal oxide containing slurry wherein the component (ii) is provided in the slurry as a metal of the base. Compositions prepared are impregnated with a noble metal to provide compositions useful to reduce gas phase reduced nitrogen species and NOx in an effluent off gas of a fluid catalytic cracking regenerator.Type: GrantFiled: October 21, 2002Date of Patent: December 11, 2007Assignee: W.R. Grace & Co. -Conn.Inventors: George Yaluris, John Allen Rudesill, Wilson Suárez
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Patent number: 7304013Abstract: 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: GrantFiled: June 30, 2003Date of Patent: December 4, 2007Assignee: Corning IncorporatedInventors: William P. Addiego, Charles M. Sorensen, Jr.
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Patent number: 7294604Abstract: A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of a crystalline calcium silicate having a surface area of at least 30 m2/g, the support being in the form of substantially spherical particles having a mean diameter of from 10 to 200 microns and pores in the particles having a diameter of from 100 to 2000 Angstroms, at a temperature of from 0 to 550° C. and a pressure of from 3 to 150 barg.Type: GrantFiled: July 16, 2002Date of Patent: November 13, 2007Assignee: Total Petrochemicals Research FeluyInventors: Jean-Pierre Dath, Walter Vermeiren
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Patent number: 7288686Abstract: A supported hydrogenation catalyst comprising (1)Pd or a Group 8 metal comprising Pd and one other Group 8 metal, preferably a Group 8 metal selected from Pt, Ir, Ru, Co or Ni, and (2) at least two metals selected from Ag, Zn or Bi, preferably Ag and at least one of Zn or Bi. Optionally the catalyst may contain K. The catalyst is supported on a porous support such as a silica, alumina, silica-alumina or carbon. The preferred supports have an average pre diameter of 180 ? with no pores smaller than 35 ?, total pore volume larger than 0.65 cc/g and preferably less than about 100 m2/g BET surface area. The catalysts are useful for the hydrogenation of unsaturated hydrocarbons such as acetylenes and diolefins in various mixed olefin streams.Type: GrantFiled: August 5, 2004Date of Patent: October 30, 2007Assignee: Catalytic Distillation TechnologiesInventor: J. Yong Ryu
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Patent number: 7270738Abstract: This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group VIB and group VIII of the periodic table and a non-zeolitic silica-alumina-based substrate that contains an amount of more than 5% by weight and less than or equal to 95% by weight of silica (SiO2) and has the following characteristics: A mean pore diameter, measured by mercury porosimetry, encompassed between 20 and 140 ?, a total pore volume, measured by mercury porosimetry, encompassed between 0.1 ml/g and 0.6 ml/g, a total pore volume, measured by nitrogen porosimetry, encompassed between 0.1 ml/g and 0.6 ml/g, a BET specific surface area encompassed between 100 and 550 m2/g, a pore volume, measured by mercury porosimetry, encompassed in the pores with diameters of more than 140 ?, of less than 0.Type: GrantFiled: October 30, 2003Date of Patent: September 18, 2007Assignee: Institut Francais du PetroleInventors: Patrick Euzen, Carole Bobin, Magalie Roy-Auberger, Eric Benazzi, Patrick Bourges, Christophe Gueret
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Patent number: 7271126Abstract: A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxycarbonates or metals. The catalyst is prepared via a method which comprises the preparation of at least one high purity iron precursor with or without an additional support material and which uses a nominal amount of water in the catalyst production. The catalyst pellets prepared with the high purity metal precursor are essentially free of sulfur and chloride contaminants.Type: GrantFiled: June 24, 2004Date of Patent: September 18, 2007Assignee: Sud-Chemie Inc.Inventors: Dennis J. Smith, Robert J. O'Brien, X. D. Hu
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Patent number: 7259286Abstract: An attrition resistant precipitated bulk iron catalyst is prepared from iron oxide precursor and a binder by spray drying. The catalysts are preferably used in carbon monoxide hydrogenation processes such as Fischer-Tropsch synthesis. These catalysts are suitable for use in fluidized-bed reactors, transport reactors and, especially, slurry bubble column reactors.Type: GrantFiled: August 28, 2001Date of Patent: August 21, 2007Assignees: Research Triangle Institute, The University of Pittsburgh-of the Commonwealth System of Higher EducationInventors: Kandaswamy Jothimurugesan, James G. Goodwin, Jr., Santosh K. Gangwal
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Patent number: 7256154Abstract: The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for fuel-cell powered vehicles prepared by wash-coating the transition metal based reforming catalyst on the surface of the ceramic honeycomb support wash-coated with sub-micron sized alumina or its precursor to sufficiently increase the effective surface area and the performance of the catalyst and a method of preparing the same.Type: GrantFiled: April 23, 2004Date of Patent: August 14, 2007Assignee: Korea Institute of Science and TechnologyInventors: Dong Ju Moon, Jong Woo Ryu, Dong Min Kang, Byung Gwon Lee, Byoung Sung Ahn, Sang Deuk Lee
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Patent number: 7220699Abstract: 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: GrantFiled: March 31, 2003Date of Patent: May 22, 2007Assignee: Intelligent Energy, Inc.Inventor: Anand Chellappa
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Patent number: 7205256Abstract: An oxide material characterized by that it has a perovskite structure comprising an oxide represented by ABO3, (Bi2O2)2+ (Am?1BmO3m+1)2? wherein A represents one kind or two or more kinds of ions selected from the group consisting of Li+, Na+, K+, Pb2+, Ca2+, Sr2+, Ba2+, Bi3+, Y3+, Mn3+ and La3+, B represents one kind or two or more kinds of ions selected from the group consisting of Ru3+, Fe3+, Ti4+, Zr4+, Cu4+, Nb5+, Ta5+, V5+, W6+ and Mo6+, and m represents a natural number of 1 or more, LnBa2Cu3O7, Z2Ba2Can?1CunO2n+4 or ZBa2Can?1CunO2n+3, wherein Ln represents one kind or two or more kinds of ions selected from the group consisting of Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, Z represents one kind or two or more kinds of ions selected from the group consisting of Bi, Tl and Hg, and n represents a natural number of from 1 to 5; and a catalytic substance containing one or more kinds of elements selected from the group consisting of Si, Ge and Sn.Type: GrantFiled: September 3, 2001Date of Patent: April 17, 2007Assignees: Sharp Kabushiki Kaisha, Japan represented by President of Tokyo Institute of TechnologyInventors: Takeshi Kijima, Hiroshi Ishiwara
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Patent number: 7202189Abstract: A catalyst, a process for using the catalyst whereby the catalyst effectively transalkylates C7, C9, and C10 aromatics to C8 aromatics are disclosed. The catalyst comprises a support such as mordenite plus a metal component. The catalyst provides an enhanced life and activity for carrying out the transalkylation reactions at relatively low temperatures. This is achieved by reducing the maximum particle diameter of cylindrical pellets to 1/32 inch (0.08 cm) or a trilobe to 1/16 inch (0.16 cm).Type: GrantFiled: August 24, 2004Date of Patent: April 10, 2007Assignee: UOP LLCInventors: Antoine Negiz, Edwin P. Boldingh, Gregory J. Gajda, Sergey V. Gurevich