Heterogeneous Arrangement Patents (Class 502/69)
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Patent number: 8263516Abstract: A method for manufacturing a DDR zeolite membrane element including the steps of: immersing a porous substrate in a raw material solution, forming a DDR zeolite membrane containing 1-adamanthanamine on a surface of the porous substrate by subjecting a DDR zeolite to hydrothermal synthesis in the presence of DDR zeolite seed crystals, applying a glass paste onto the surface of the porous substrate so as to contact the membrane, and heating the membrane at 500 to 800° C., thereby burning away the 1-adamanthanamine contained in the membrane and melting the glass paste to form a membrane-like glass seal contacting the membrane on the surface of the porous substrate. The method for manufacturing a DDR zeolite membrane element can inhibit the permeation of the DDR zeolite membrane from being hindered in a contact portion between the membrane and the glass seal and inhibit poor seal of the glass seal.Type: GrantFiled: July 29, 2010Date of Patent: September 11, 2012Assignee: NGK Insulators, Ltd.Inventors: Kenji Yajima, Hisayoshi Nonaka, Toshihiro Tomita
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Patent number: 8258071Abstract: The invention relates to a catalyst that comes in the form of grains, each grain consisting of a core covered by at least one external layer, the core consisting of an acidic porous solid and having a size of between 0.1 micron and 0.4 millimeter, in which the external layer has a uniform thickness with a uniformity criterion C, which is less than 0.30, whereby said uniformity criterion C is defined as being equal to an average, on a number N of catalyst grain samples, of the ratio of the difference between the maximum thickness, Eimax, of the external layer and the minimum thickness, Eimin, of this same layer to the average of these two thicknesses Eimax and Eimin.Type: GrantFiled: January 13, 2005Date of Patent: September 4, 2012Assignee: IFP Energies nouvellesInventors: Younes Bouizi, Valentin Valtchev, Loiec Rouleau, Nicolas Bats, Laurent Simon
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Patent number: 8258070Abstract: An emission control catalyst that exhibits improved CO and HC reduction performance includes supported precious group metal catalysts that are coated onto different layers of the substrate for the emission control catalyst. Zeolites of one or more types are added to the emission control catalyst as a hydrocarbon absorbing component to boost the low temperature performance of the emission control catalyst. Y zeolite is used by itself or mixed with other zeolites to enhance hydrocarbon storage at low temperatures.Type: GrantFiled: November 9, 2009Date of Patent: September 4, 2012Inventors: Kyle L. Fujdala, Timothy J. Truex, Juan Cai, Chaitanya Sampara
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Publication number: 20120198769Abstract: A catalyst-coated support including a sheetlike support, a primer layer applied thereto and composed of nanoparticles composed of silicon oxide-comprising material, and at least one catalyst layer applied to the primer layer. The layers applied are notable for a particularly good adhesive bond strength and can be used particularly efficiently in heterogeneously catalyzed gas phase reactions, especially in microreactors.Type: ApplicationFiled: June 23, 2010Publication date: August 9, 2012Inventors: Steffen Schirrmeister, Martin Schmitz-Niederau, Ingo Klüppel, Christoph Filthaut
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Patent number: 8236419Abstract: Material with hierarchical porosity consisting of at least two elementary spherical particles, each one of said particles comprising a matrix based on silicon oxide, mesostructured, having a mesopore diameter ranging between 1.5 and 30 nm and exhibiting amorphous and microporous walls of thickness ranging between 1.5 and 50 nm, said elementary spherical particles having a maximum diameter of 200 microns. The matrix based on silicon oxide can contain aluminium. The preparation of said material is also described.Type: GrantFiled: August 19, 2008Date of Patent: August 7, 2012Assignee: IFP Energies nouvellesInventors: Alexandra Chaumonnot, Stephanie Pega, Clement Sanchez, Cedric Boissiere
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Publication number: 20120193270Abstract: Provided is a catalyst for hydrocracking of heavy oil which is excellent in both functions of cracking activity and desulfurization activity with respect to heavy oil by striking a balance between the cracking activity and desulfurization activity and which includes a support including a crystalline aluminosilicate and a porous inorganic oxide excluding the crystalline aluminosilicate, with an active metal being supported on the support, in which (a) the support includes the crystalline aluminosilicate in an amount of 45% by mass or greater and smaller than 60% by mass and the porous inorganic oxide excluding the crystalline aluminosilicate in an amount of greater than 40% by mass and 55% by mass or smaller, based on the sum of an amount of the crystalline aluminosilicate and an amount of the porous inorganic oxide excluding the crystalline aluminosilicate, (b) the active metal is at least one kind of metal selected from metals belonging to Groups 6, 8, 9, and 10 of the Periodic Table, and (c) the catalyst foType: ApplicationFiled: August 2, 2010Publication date: August 2, 2012Inventors: Kazuhiro Inamura, Akira Ilno, Nobuyuki Takahashi, Yoji Sunagawa, Mitsunori Watabe, Yuichi Yamahata, Shinya Eura, Yuji Shirahama
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Publication number: 20120184429Abstract: A catalyst for selective catalytic reduction of NOx having one or more transition metals selected from Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir, Pt, and mixtures thereof supported on a support, wherein the support has a molecular sieve having at least one intergrowth phase having at least two different small-pore, three-dimensional framework structures.Type: ApplicationFiled: January 19, 2012Publication date: July 19, 2012Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Paul J. Andersen, John Leonello Casci, Hai-Ying Chen, Joseph M. Fedeyko
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Publication number: 20120122660Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).Type: ApplicationFiled: February 1, 2011Publication date: May 17, 2012Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Paul Joseph Andersen, Todd Ballinger, David Bergeal, Hsiao-Lan Chang, Hai-Ying Chen, Julian Cox, Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel, Duncan John William Winterborn
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Patent number: 8153543Abstract: A method for preparing a composite of zeolite-fiber substrate includes the steps of reacting a fiber substrate or a zeolite with a linking compound to form an intermediate of linking compound-fiber substrate or zeolite-linking compound, and preparing the composite of zeolite-linking compound-fiber substrate by linking the intermediate of linking compound-fiber substrate to the fiber substrate or linking the intermediate of zeolite-linking compound to the zeolite, in which the linking is induced by sonication.Type: GrantFiled: October 27, 2005Date of Patent: April 10, 2012Assignee: Industry-University Cooperation Foundation Sogang UniversityInventors: Kyung Byung Yoon, Jin Seok Lee, Nak-Cheon Jeong
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Publication number: 20120079817Abstract: A diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) is described. Also described is a novel washcoat composition including a surface-coated zeolite coated with at least one of zirconia and alumina, and a platinum group metal supported on a high surface area alumina.Type: ApplicationFiled: September 26, 2011Publication date: April 5, 2012Applicant: BASF CorporationInventors: Xinyi Wei, Stanley A. Roth
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Publication number: 20120004487Abstract: This invention relates to a novel catalyst which enables an efficient production of a high-purity para-substituted aromatic hydrocarbon even without conducting isomerization step and/or adsorption separation step, and more particularly to a catalyst for producing a para-substituted aromatic hydrocarbon, which is formed by coating an MFI-type zeolite having an SiO2/Al2O3 ratio (molar ratio) of 20 to 5000 and a primary particle size of not more than 1 ?m with a crystalline silicate and is characterized by having a pKa value as measured by a Hammett indicator of not less than ?8.Type: ApplicationFiled: March 11, 2010Publication date: January 5, 2012Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Naoharu Igarashi, Chikanori Nakaoka
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Patent number: 8084383Abstract: The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention is a cracking catalyst composition comprising a zeolite in combination with a Lewis Acid containing component, wherein the cracking catalyst composition comprises 0.2% Na2O or less. It has been found that sulfur compounds in hydrocarbon feeds to fluid catalytic cracking processes can be reduced by at least 15% compared to the same composition, which does not comprise the aforementioned Lewis Acid containing component.Type: GrantFiled: March 16, 2004Date of Patent: December 27, 2011Assignee: W.R. Grace & Co.-Conn.Inventors: Ruizhong Hu, Xinjin Zhao, Richard Franklin Wormsbecher, Michael Scott Ziebarth
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Patent number: 8043989Abstract: A system is provided for desulfurizing a hydrocarbon fuel containing a light amount of methanol and a slight amount of water. The desulfurization system uses a Y-type zeolite-based desulfurizing agent containing at least copper arranged upstream of the system and an X-type zeolite-based desulfurizing agent containing at least silver arranged downstream of the system and thus can maintain desulfurization effect for a long period of time.Type: GrantFiled: March 4, 2009Date of Patent: October 25, 2011Assignee: Nippon Oil CorporationInventors: Yoshiyuki Nagayasu, Atsushi Segawa, Kazunori Miyazawa, Yoshihiro Kobori
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Publication number: 20110237426Abstract: The manufacturing method includes a mixing step of mixing a plurality of zeolite particles, an inorganic binding material and an organic binder, to prepare a zeolite raw material; a forming step of extruding the zeolite raw material to obtain a formed zeolite article; and a firing step of firing the formed zeolite article to prepare the zeolite structure, the mixing step uses the inorganic binding material containing at least one type of silica sol selected from the group consisting of acid silica sol, silica sol containing silica particles coated with alumina, cationic silica sol, silica sol containing string-like silica particles, and silica sol containing bead-like silica particles, and a content ratio of silica particles contained in the silica sol selected from the group is from 10 to 30 mass % with respect to 100 mass % of the zeolite particles.Type: ApplicationFiled: March 21, 2011Publication date: September 29, 2011Applicant: NGK Industries, Ltd.Inventors: Yoshio Kikuchi, Haruo Otsuka
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Publication number: 20110217221Abstract: The invention relates to a method and a catalyst for removal of nitrogen oxides in a flue gas from a combustion engine or gas turbine by injecting a reducing agent and reducing the nitrogen oxides in the presence of a catalyst. The catalyst is a zeolite based catalyst on a corrugated monolithic substrate, the substrate has a density of 50-300 g/l and a porosity of at least 50%. The monolithic substrate is a paper of high silica content glass or a paper of E-glass fibre with a layer of diatomaceous earth or a layer of titania, and the catalyst is a Fe-? zeolite.Type: ApplicationFiled: November 27, 2009Publication date: September 8, 2011Inventor: Joakim Reimer Thøgersen
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Patent number: 8008223Abstract: One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.Type: GrantFiled: April 25, 2005Date of Patent: August 30, 2011Assignee: Massachusetts Institute of TechnologyInventor: Javier Garcia-Martinez
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Publication number: 20110201863Abstract: This invention relates to a method wherein a high-purity paraxylene can be produced efficiently by using a catalyst having a molecular sieving action (or shape selectivity) and being excellent in the catalytic activity without isomerization and adsorption-separation steps. More particularly, it relates to a method of producing a high-purity paraxylene, characterized in that MFI type zeolite having a primary particle size of not more than 100 ?m, a structure defining agent and silica material having an average particle size of not less than 10 nm but less than 1.0 ?m are used as a starting material, and a synthetic zeolite catalyst produced by subjecting the MFI type zeolite to a coating treatment with an aqueous solution obtained by mixing so as to satisfy X×Y<0.05 (wherein X is a concentration of the silica material (mol %) and Y is a concentration of the structure defining agent (mol %)) is used in the alkylation or disproportionation of at least one of benzene and toluene as a starting material.Type: ApplicationFiled: September 29, 2009Publication date: August 18, 2011Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Koichi Matsushita, Chikanori Nakaoka, Norikazu Nishiyama
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Patent number: 7994085Abstract: A material with a hierarchical porosity is described, constituted by at least two spherical elementary particles, each of said spherical particles comprising zeolitic nanocrystals having a pore size in the range 0.2 to 2 nm and a matrix based on silicon oxide, which is mesostructured, having a pore size in the range 1.5 to 30 nm and having amorphous walls with a thickness in the range 1 to 20 nm, said spherical elementary particles having a maximum diameter of 10 ?m. the matrix based on silicon oxide may contain aluminium. The preparation of said material is also described.Type: GrantFiled: June 24, 2005Date of Patent: August 9, 2011Assignee: IFP Energies NouvellesInventors: Alexandra Chaumonnot, Aurélie Coupe, Clément Sanchez, Patrick Euzen, Cédric Boissiere, David Grosso
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Patent number: 7977523Abstract: A catalyst, useful in the preparation of isoolefins and containing 0.1 to 20% by mass of an alkali metal oxide, an alkaline earth metal oxide and mixtures thereof; 0.1 to 99% by mass of aluminum oxide; and 0.1 to 99% by mass of silicon dioxide, is prepared by a) treating an aluminosilicate with an aqueous alkali metal salt solution, an alkaline earth metal salt solution and mixtures thereof, under acidic conditions, to obtain a treated aluminosilicate; and b) calcining the treated aluminosilicate, to obtain the catalyst.Type: GrantFiled: August 10, 2007Date of Patent: July 12, 2011Assignee: Evonik Oxeno GmbHInventors: Horst-Werner Zanthoff, Dietrich Maschmeyer, Thomas Quandt, Franz Nierlich, Silvia Santiago Fernandez, Stephan Houbrechts, Georg Skillas, Kurt-Alfred Gaudschun
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Publication number: 20110137093Abstract: The present invention relates to the use of atomic layer deposition (ALD) techniques to enhance the acid catalytic activity of nanoporous materials.Type: ApplicationFiled: June 7, 2010Publication date: June 9, 2011Inventors: Johan Martens, Davy Deduytsche, Christophe Detavernier, Sreeprasanth Pulinthanathu Sree
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Publication number: 20110124489Abstract: A carbon-based combustion catalyst is obtained by calcining sodalite at a temperature of 600° C. or more. Alternatively, a carbon-based combustion catalyst is obtained by performing the following mixing step, drying step, and calcination step. In the mixing step, aluminosilicate (sodalite), and an alkali metal source, and/or an alkaline earth metal source are mixed in water to obtain a liquid mixture. In the drying step, the liquid mixture is heated to evaporate the water, thereby obtaining a solid. In the calcination step, the solid is calcined at a temperature of 600° C. or more so that a part or all of the sodalite structure is changed. The thus-obtained catalyst can cause carbon-based material to be stably burned and removed at a low temperature for a long time.Type: ApplicationFiled: November 23, 2010Publication date: May 26, 2011Applicants: DENSO CORPORATION, NIPPON SOKEN, INC.Inventors: Keisuke MIZUTANI, Takumi SUZAWA, Naohisa OHYAMA, Yukihiro YAMASHITA, Kensuke TAKIZAWA, Hironobu SHIMOKAWA
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Patent number: 7906449Abstract: The present invention is a selective catalytic reduction type catalyst for purifying nitrogen oxides in exhaust gas exhausted from lean combustion engines using ammonia or urea as a reducing agent, it is provided with a selective catalytic reduction type catalyst The catalyst comprises a lower-layer catalyst layer (A) having an oxidative function for nitrogen monoxide (NO) in exhaust gas and an upper-layer catalyst layer (B) having an adsorbing function for ammonia on the surface of a monolithic structure type carrier (C), and that the lower-layer catalyst layer (A) comprises a noble metal component (i), an inorganic base material constituent (ii) and zeolite (iii), and the upper-layer catalyst layer (B) comprises substantially none of component (i) but the component (iii).Type: GrantFiled: May 5, 2008Date of Patent: March 15, 2011Assignee: N.E. Chemcat CorporationInventors: Ryuji Ando, Takashi Hihara, Yasuharu Kanno, Makoto Nagata
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Patent number: 7902103Abstract: The invention relates to the use of particulate silicone resins in the absence of added organic solvents with particulate inorganic materials to form structured bodies and in particular molecular sieve containing structured bodies. The silicone resin is used in the form of a particulate with an average particle size of less than 700 um. Upon calcining, the silicone resin is converted to silica which acts as a binder.Type: GrantFiled: June 30, 2009Date of Patent: March 8, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Jean W. Beeckman, Glenn R. Sweeten, Arthur W. Chester, John P. McWilliams, Dominick N. Mazzone
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Publication number: 20110053762Abstract: A composition comprising an inner core and an outer layer comprising a molecular sieve has been prepared. The molecular sieve layer is characterized in that the molecular sieve layers are intergrown into each other. The inner core can be alpha alumina or other inert materials.Type: ApplicationFiled: November 8, 2010Publication date: March 3, 2011Applicant: UOP LLCInventors: Lance L Jacobsen, Brian S. Konrad, David A. Lesch, Julio C. Marte, Beckay J. Mezza
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Publication number: 20100304958Abstract: A method for preparing monolithic catalyst washcoat is disclosed and includes the following steps: preparing a coating slurry; pretreating a monolithic carrier; applying the coating slurry onto the monolithic carrier by vacuum spraying; removing the excess coating slurry by vacuum extraction; and obtaining the monolithic carrier applied with the washcoat after drying and calcination. The washcoat of 5-20 wt % can be obtained on the monolithic carrier of the present invention by one-off applying. The method can be used to prepare the washcoat on monolithic cordierite ceramic carrier, monolithic metal carrier, monolithic active carbon carrier or monolithic molecular sieve carrier. The obtained washcoat is uniform, and has good adhesion with the carrier and excellent repeatability.Type: ApplicationFiled: March 8, 2007Publication date: December 2, 2010Inventors: Yun Guo, Guanzhong Lu, Zhigang Zhang
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Patent number: 7825056Abstract: The present invention relates to zeolitic compositions of at least one A, X, Y zeolite and/or chabazite and at least one clinoptilolite type of zeolite. These zeolitic compositions can be used in adsorption methods for removing H2O and/or CO2 and/or H2S present in gas or liquid mixtures, particularly for purifying natural gas, acid gases, alcohols and mercaptans.Type: GrantFiled: March 30, 2005Date of Patent: November 2, 2010Assignee: Ceca, S.A.Inventors: Rémi Le Bec, Nicolas Serge
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Patent number: 7807598Abstract: A mesostructured material that consists of at least two elementary spherical particles, each of said particles comprising a mesostructured matrix based on aluminum oxide and having a pore size of between 1.5 and 30 nm, an aluminum oxide content that represents more than 46% by weight relative to the mass of said matrix, which has amorphous walls with a thickness of between 1 and 30 nm and whereby said elementary spherical particles have a maximum diameter of 10 ?m, is described. Said mesostructured matrix can also contain silicon oxide. Each of the spherical particles of the mesostructured material can also contain zeolitic nanocrystals so as to form a material with a mixed porosity that is both mesostructured and zeolitic in nature. The preparation of said material is also described.Type: GrantFiled: August 17, 2007Date of Patent: October 5, 2010Assignee: IFP Energies NouvellesInventors: Patrick Euzen, Alexandra Chaumonnot, Aurelie Coupe, Clement Sanchez, Cedric Boissiere, David Grosso
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Patent number: 7767610Abstract: A metal nanocluster composite material for use as a conductive catalyst. The metal nanocluster composite material has metal nanoclusters on a carbon substrate formed within a porous zeolitic material, forming stable metal nanoclusters with a size distribution between 0.6-10 nm and, more particularly, nanoclusters with a size distribution in a range as low as 0.6-0.9 nm.Type: GrantFiled: February 25, 2004Date of Patent: August 3, 2010Assignee: Sandia CorporationInventor: Eric N. Coker
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Patent number: 7745367Abstract: An emission control catalyst that exhibits improved CO and HC reduction performance includes a supported platinum-based catalyst, and a supported palladium-gold catalyst. The two catalysts are coated onto different layers, zones, or monoliths of the substrate for the emission control catalyst such that the platinum-based catalyst encounters the exhaust stream before the palladium-gold catalyst. Zeolite may be added to the emission control catalyst as a hydrocarbon absorbing component to boost the oxidation activity of the palladium-gold catalyst.Type: GrantFiled: May 5, 2009Date of Patent: June 29, 2010Assignee: Nanostellar, Inc.Inventors: Kyle L. Fujdala, Timothy J. Truex, Jifei Jia
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Patent number: 7727923Abstract: The challenge for the present invention is to provide a catalyst composition restrained from declining in performance over time in purifying an exhaust gas containing an organic compound a silicon compound, a catalyst containing the catalyst composition, and a method for producing the catalyst. This challenge is solved by using a catalyst composition containing zeolite added to precious metal-carried alumina, and the silicon resistance of the catalyst is improved greatly. The amount of acid of the zeolite added is preferably in the range of 0.4 mmol·NH3/g to 1.5 mmol·NH3/g.Type: GrantFiled: March 28, 2005Date of Patent: June 1, 2010Assignee: Nikki-Universal Co., Ltd.Inventors: Yoshiki Nakano, Takanobu Sakurai
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Patent number: 7686949Abstract: An improved hydrotreating process for use with lube oil boiling range feedstreams utilizing a catalyst comprising a hydrogenation-dehydrogenation component selected from the Group VIII noble metals and mixtures thereof, a mesoporous support, and a binder.Type: GrantFiled: August 17, 2005Date of Patent: March 30, 2010Assignee: ExxonMobil Research and Engineering CompanyInventors: Stephen J. McCarthy, Jean W. Beeckman, Sylvain S. Hantzer, Geoffrey L. Woolery, Glenn R. Sweeten
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Publication number: 20100075832Abstract: A hydrocracking catalyst comprising zeolite crystallized as a layer on the surface of a porous alumina-containing matrix, said zeolite-layered matrix arranged in a configuration to provide macropores in which the zeolite layer is provided on the walls of the macropores. Hydrogenating metals can be incorporated into the catalyst.Type: ApplicationFiled: November 25, 2009Publication date: March 25, 2010Inventors: David M. Stockwell, Bruce A. Lerner
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Patent number: 7622413Abstract: A multifunctional additive for maximizing yield of light olefins and LPG, with a tolerance to contaminant metals. Maximization of the referenced properties is accomplished through the use of a zeolite treated with a phosphorus source, calcined and impregnated with a rare earth salt. The process for preparation of the referenced catalyst includes the following steps: preparation of a precursor containing a zeolite that is selective of olefins with a source of phosphorus; placement of a source of phosphorus in this precursor through calcination; deposition of rare earth salts on the surface of the additive for maximizing the yield of light olefins and LPG that forms; and drying the multifunctional additive formed.Type: GrantFiled: August 2, 2006Date of Patent: November 24, 2009Assignee: Petroleo Brasileiro S.A. - PetrobrasInventors: Lam Yiu Lau, Eliane Bernad Castro Mattos, Joao Eduardo Cerutti Karam, Ricardo Drolhe Montaury Pimenta, Rodolfo Eugênio Roncolatto
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Patent number: 7608554Abstract: There are provided methods for producing a zeolite layered composite, methods for producing a zeolite shaped body and methods for producing a zeolite layered intermediate body. In one aspect, there is provided a method for producing a zeolite layered composite, comprising layering a template-containing zeolite membrane having a composition the same as or similar to that of a zeolite shaped body of a completely crystallized zeolite composed of tetrapropylammonium ion (TPA) and silica sol in a mixing ratio (TPA/SiO2) of 0.015 to 0.08 by mole and containing a template therein on the zeolite shaped body, and simultaneously removing the template from the zeolite membrane and the zeolite shaped body by calcining the resulting layered product to obtain a zeolite layered composite comprising the zeolite shaped body and the zeolite membrane layered thereon.Type: GrantFiled: September 14, 2006Date of Patent: October 27, 2009Assignee: NGK Insulators, Ltd.Inventors: Toshihiro Tomita, Shinji Nakamura
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Patent number: 7589041Abstract: One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.Type: GrantFiled: April 23, 2004Date of Patent: September 15, 2009Assignee: Massachusetts Institute of TechnologyInventors: Jackie Y. Ying, Javier Garcia Martinez
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Patent number: 7572749Abstract: The invention relates to the use of particulate silicone resins in the absence of added organic solvents with particulate inorganic materials to form structured bodies and in particular molecular sieve containing structured bodies. The silicone resin is used in the form of a particulate with an average particle size of less than 700 um. Upon calcining, the silicone resin is converted to silica which acts as a binder.Type: GrantFiled: July 26, 2005Date of Patent: August 11, 2009Assignee: ExxonMobil Research and Engineering CompanyInventors: Jean W. Beeckman, Glenn R. Sweeten, Arthur W. Chester, John P. McWilliams, Dominick N. Mazzone
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Patent number: 7563739Abstract: The invention relates to a desiccant based on clay-bound zeolite which is characterized in that it comprises hygroscopic salt and optionally further conventional additives. Preferably, it is present in the form of granules, the hygroscopic salt being arranged in the pores of the granular particles. Furthermore the invention relates to a process for the preparation of the desiccant as well as its use, in particular in insulating glass windows and spacers for insulating glass windows.Type: GrantFiled: August 20, 2002Date of Patent: July 21, 2009Assignee: Grace GmbH & Co. KG.Inventors: Fritz Kilthau, Thomas E. W. Niessen, Heide Wetzel
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Patent number: 7553791Abstract: A catalyst composition, a process for producing the composition and a process for the conversion of a feedstock containing C9+ aromatic hydrocarbons to produce a resulting product containing lighter aromatic products and less than about 0.5 wt % of ethylbenzene based on the weight of C8 aromatics fraction of the resulting product. The C9+ aromatic hydrocarbons are converted under the transalkylation reaction conditions to a reaction product containing xylene. The catalyst composition comprises (i) an acidity component having an alpha value of at least 300; and (ii) a hydrogenation component having hydrogenation activity of at least 300. The composition can be produced by to incorporating at least one hydrogenation component into an acidity component having an alpha value of at least 300.Type: GrantFiled: November 5, 2004Date of Patent: June 30, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Timothy Edward McMinn, David Anthony Stachelczyk
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Patent number: 7534738Abstract: An emission control catalyst that exhibits improved CO and HC reduction performance includes a supported platinum-based catalyst, and a supported palladium-gold catalyst. The two catalysts are coated onto different layers, zones, or monoliths of the substrate for the emission control catalyst such that the platinum-based catalyst encounters the exhaust stream before the palladium-gold catalyst. Zeolite may be added to the emission control catalyst as a hydrocarbon absorbing component to boost the oxidation activity of the palladium-gold catalyst.Type: GrantFiled: November 20, 2007Date of Patent: May 19, 2009Assignee: Nanostellar, Inc.Inventors: Kyle L. Fujdala, Timothy J. Truex
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Patent number: 7534737Abstract: A selective hydrogenation process and a layered catalyst composition for use in the selective hydrogenation process are disclosed. The process is useful for the selective hydrogenation of diolefins having from about 8 to about 19 carbon atoms per molecule to monoolefins.Type: GrantFiled: June 12, 2008Date of Patent: May 19, 2009Assignee: UOP LLCInventor: Gregory J. Gajda
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Patent number: 7517826Abstract: A multi-layer emission control catalyst exhibits improved CO and HC reduction performance. The bottom layer includes a supported catalyst comprising platinum and palladium particles or palladium and gold particles. The middle layer includes zeolites. The top layer includes a supported catalyst comprising platinum and palladium particles. The use of zeolite mixture in the middle layer further improves CO and HC reduction performance in comparison with using zeolite of a single type. The use of a supported catalyst comprising palladium and gold particles in the bottom layer further improves CO and HC reduction performance in comparison with using a supported catalyst comprising platinum and palladium particles.Type: GrantFiled: November 20, 2007Date of Patent: April 14, 2009Assignee: Nanostellar, Inc.Inventors: Kyle L. Fujdala, Timothy J. Truex
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Patent number: 7497089Abstract: An adsorption heat pump is provided in which water vapor can be efficiently adsorbed and desorbed using a heat source having a lower temperature than ones heretofore in use because the pump employs an adsorbent which has a large difference in water adsorption amount in adsorption/desorption and can be regenerated (release the adsorbate) at a low temperature. The invention provides an adsorption heat pump which comprises an adsorbate, an adsorption/desorption part having an adsorbent for adsorbate adsorption/desorption, a vaporization part for adsorbate vaporization which has been connected to the adsorption/desorption part, and a condensation part for adsorbate condensation which has been connected to the adsorption/desorption part, wherein the adsorbent, when examined at 25° C., gives a water vapor adsorption isotherm which, in the relative vapor pressure range of from 0.05 to 0.30, has a relative vapor pressure region in which a change in relative vapor pressure of 0.Type: GrantFiled: August 21, 2003Date of Patent: March 3, 2009Assignees: Mitsubishi Chemical Corporation, Denso CorporationInventors: Hiroyuki Kakiuchi, Takahiko Takewaki, Masaru Fujii, Masanori Yamazaki, Hideaki Takumi, Hiromu Watanabe, Kouji Inagaki, Atsushi Kosaka, Seiji Inoue, Satoshi Inoue
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Patent number: 7476637Abstract: A catalyst useful for multi-phase reactors that includes an active component surrounded by a coating on a surface of the active component, wherein the coating provides a liquid film around the active component to increase the useful life of the active component as compared to an uncoated active component.Type: GrantFiled: July 19, 2007Date of Patent: January 13, 2009Assignee: Catalytic Distillation TechnologiesInventor: Christopher C. Boyer
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Patent number: 7459413Abstract: The present invention provides a catalyst and a process for its preparation and its use in cracking heavy feedstocks. The catalyst comprises one or more zeolites having a controlled silica to alumina ratio and preferably treated with alkali in the presence of a matrix component selected from the group consisting of clays, synthetic matrix other than pillared clay, and mixtures thereof. The catalyst are particularly useful in treating heavy feedstock such as residues from oil sands processing.Type: GrantFiled: February 21, 2007Date of Patent: December 2, 2008Assignee: State Key Laboratory of Heavy Oil ProcessingInventors: Baojian Shen, Jinsen Gao, Chunming Xu, Liang Zhao, Xianfeng Li, Pei Wu
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Patent number: 7452839Abstract: The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above zero within the interior of the pore structure of the sieve as well as a rare earth component which enhances the cracking activity of the cracking catalyst. The molecular sieve is normally a faujasite such as USY. The primary sulfur reduction component is normally a metal of Period 3 of the Periodic Table, preferably vanadium. The rare earth component preferably includes cerium which enhances the sulfur reduction activity of the catalyst. The sulfur reduction catalyst may be used in the form of a separate particle additive or as a component of an integrated cracking/sulfur reduction catalyst.Type: GrantFiled: December 16, 2004Date of Patent: November 18, 2008Assignee: W. R. Grace & Co.-Conn.Inventors: Wu-Cheng Cheng, Terry G. Roberie, Hye Kyung Cho Timken, Scott Kevin Purnell, Xinjin Zhao
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Patent number: 7435699Abstract: A non-homogeneous adsorbent is described, formed of a core and at least one continuous outer layer in which the core of said adsorbent has a volume adsorptive capacity representing at least 35% of the volume of the adsorbent and the outer layer has a diffusional selectivity greater than 5. The adsorbent is used in gas-separation processes or liquid-separation processes.Type: GrantFiled: July 11, 2003Date of Patent: October 14, 2008Assignee: Institut Francais du PetroleInventors: Elsa Jolimaitre, Loïc Rouleau, Olivier Ducreux
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Publication number: 20080146825Abstract: A catalyst comprising a noble metal supported on a diatomaceous earth and a transition metal zeolite is disclosed. The catalyst is used in an epoxidation process comprising reacting an olefin, hydrogen, and oxygen. The diatomaceous earth is readily available and may be used in a slurry process without further particle size enlargement.Type: ApplicationFiled: December 19, 2006Publication date: June 19, 2008Inventors: Jude T. Ruszkay, Roger A. Grey
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Patent number: 7375047Abstract: Catalysts comprising a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component in an amorphous aluminum phosphate binder provide processes for isomerizing xylene and dealkylating ethylbenzene in feed streams that exhibit stability, selectivity and low ring loss.Type: GrantFiled: September 14, 2005Date of Patent: May 20, 2008Assignee: UOP LLCInventors: Robert B. Larson, James E. Rekoske, Patrick C. Whitchurch, Paula L. Bogdan
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Patent number: 7285512Abstract: This invention relates to a catalyst and process for selectively hydrodesulfurizing naphtha feedstreams using a catalyst comprising at least one hydrodesulfurizing metal supported on a low acidity, ordered mesoporous support material.Type: GrantFiled: July 26, 2005Date of Patent: October 23, 2007Assignee: ExxonMobile Research and Engineering CompanyInventors: Chuansheng Bai, Gary B. McVicker, Stuart S. Shih, Michael C. Kerby, Edward A. Lemon, Jr., Jean W. Beeckman
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Patent number: 7273827Abstract: The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a catalyst composition comprising a molecular sieve having a framework including at least [AlO4] and [PO4] tetrahedral units, at least one of a binder and a matrix material and at least one phosphorus compound separate from said molecular sieve wherein, after calcination at 760° C. for 3 hours, said catalyst composition has a microporous surface area in excess of 20% of the microporous surface area of said molecular sieve after calcination at 650° C. in nitrogen for 2 hours. The catalyst composition is particularly useful in a conversion process for producing olefin(s), preferably ethylene and/or propylene, from a feedstock, preferably an oxygenate containing feedstock.Type: GrantFiled: December 19, 2005Date of Patent: September 25, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Yun-Feng Chang, Stephen N. Vaughn, Luc Roger Marc Martens, Jeffrey Wayne Sprinkle, Ian Nathaniel Walker