Group Viii Element Patents (Class 423/213.5)
  • Patent number: 11408319
    Abstract: The invention relates to a method for improving the efficiency of an SCR system of an exhaust gas aftertreatment system (5) of an internal combustion engine (1), and to an internal combustion engine (1), wherein an operating medium is metered in upstream of the SCR catalytic converter (2) of the SCR system in a normal operating mode, wherein the operating medium comprises a reducing agent or can be converted into a reducing agent, wherein the reducing agent is stored at least temporarily in an SCR catalytic converter (2) of the SCR system, wherein the method comprises the following steps: operating of the internal combustion engine (1) in the normal operating mode, defining of a determined control value (6) by way of determining of the mass of an exhaust gas component which is measured overall at a point in the course of the exhaust gas aftertreatment system (5) during a first measurement window, determining of a calculated control value (7) by way of calculating of the mass of the exhaust gas component which
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 9, 2022
    Assignee: AVL List GmbH
    Inventors: Christina Schwarz, Bas Vos, Mario De Monte
  • Patent number: 11358130
    Abstract: A catalyst material for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst material including a metal-exchanged SAPO-34 material, and an oxide layer at least partially covering an outside surface of the SAPO-34 material, wherein the oxide layer is not substantially blocking the pores of the SAPO-34 material.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: June 14, 2022
    Assignee: BASF Corporation
    Inventor: Ivan Petrovic
  • Patent number: 11338273
    Abstract: A monolithic catalyst used for a carbon dioxide hydrogenation reaction and a method for preparing the same. The catalyst comprises a carrier, a coating, and active components. The carrier is a honeycomb ceramic. The coating and the active components are separately applied to honeycomb ceramic hole walls from inside to outside. Moreover, each of the honeycomb ceramic holes is divided into an upper segment and a lower segment, and different active components are separately loaded on the two segments. The method for preparing the monolithic catalyst comprises first applying a coating to a honeycomb ceramic by means of impregnation to obtain a coating-containing carrier, and then applying active components to an upper segment and a lower segment of the coating-containing carrier successively by means of impregnation to obtain the monolithic catalyst.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 24, 2022
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC NANJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD.
    Inventors: Yang Yu, Haibo Chen, Shixin Wei, Yusheng Yin, Chunpeng Mao, Jiedong Tan, Dong Qiu, Tianming Xie, Jian He, Huiqin Yin, Xianguo Tian, Tianlei Dong, Qiong Wang
  • Patent number: 11338245
    Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: May 24, 2022
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
  • Patent number: 11291951
    Abstract: An exhaust gas purifying catalyst for 2-stroke general-purpose engines, which is characterized in that: the exhaust gas purifying catalyst includes a base and a coat layer on the base; the coat layer contains noble metals and metal oxides; the noble metals include palladium and one or more elements selected from among platinum and rhodium; the zirconia content in the coat layer is 0.07 mole or less per 100 g of the metal oxides contained in the coat layer; and the total content of one or more metal oxides selected from among lanthana and alkaline earth metal oxides in the coat layer is 0.05 mole or more per 100 g of the metal oxides contained in the coat layer.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 5, 2022
    Assignee: CATALER CORPORATION
    Inventors: Yoritsugu Shino, Tsuyoshi Ito, Keisuke Murashige, Akio Kubota
  • Patent number: 11285461
    Abstract: This invention relates to a catalyst system comprising (a) at least one layer of a first catalyst comprising a dehydrogenation active metal on a solid support; (b) at least one layer of a second catalyst comprising a metal oxide; and (c) at least one layer of a third catalyst comprising a transition metal on an inorganic support; wherein the at least one layer of a second catalyst is sandwiched between the at least one layer of a first catalyst and the at least one layer of a third catalyst; and a process comprising contacting a hydrocarbon feed with the catalyst system.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: March 29, 2022
    Assignee: SMH Co., Ltd
    Inventors: Amnart Jantharasuk, Kongkiat Suriye
  • Patent number: 11278874
    Abstract: A process for the preparation of an extra-framework metal-containing aluminosilicate zeolite involves the steps of: (a) forming a reactant mixture A comprising (i) an aqueous slurry of an aluminosilicate zeolite in a H+-form, and (ii) a metal containing compound or free metal, wherein the mixture does not comprise ammonia, ammonium hydroxide or an ammonium salt, and (b) reacting the metal containing compound or free metal with the aluminosilicate zeolite in a H+-form in reactant mixture A and forming a product mixture B, a reaction mixture comprising the extra-framework metal-containing aluminosilicate zeolite. The metal comprises one or more of copper, iron, manganese, nickel and palladium. The step of reacting the metal with the aluminosilicate zeolite in a H+-form is performed in a single exchange. The extra-framework metal-containing aluminosilicate zeolite can then be used directly in forming a washcoat that can be applied to a support.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: March 22, 2022
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Scott Cauffman, Hai-Ying Chen, Joseph Fedeyko, Duncan Winterborn
  • Patent number: 11261097
    Abstract: The present invention provides crystalline aluminosilicate zeolites having a maximum pore size of eight tetrahedral atoms, wherein the zeolite has a total proton content of less than 2 mmol per gram. The zeolite may comprise 0.1 to 10 wt.-% of at least one transition metal, calculated as the respective oxide and based on the total weight of the zeolite. It may furthermore comprise at least one alkali or alkaline earth metal in a concentration of 0 to 2 wt.-%, calculated as the respective metal and based on the total weight of the zeolite. The zeolites may be used for the removal of NOx from automotive combustion exhaust gases.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: March 1, 2022
    Assignee: Umicore AG & Co. KG
    Inventors: Andreas Jan Hoffmann, Michiel De Prins, Sam Smet, Sreeprasanth Pulinthanathu Sree, Elke Jane June Verheyen, Johan Adriaan Martens, Leen Van Tendeloo, Frank-Walter Schuetze
  • Patent number: 11251406
    Abstract: The invention relates to a light extraction substrate having a light extraction layer. The light extraction layer includes boron, boroate, and/or borosilicate as well as nanoparticles.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 15, 2022
    Assignee: Vitro Flat Glass LLC
    Inventor: Cheng-Hung Hung
  • Patent number: 11224868
    Abstract: A method for the removal of nitrous oxide from off gas by direct decomposition or by selective catalytic reduction in presence of a reducing agent, comprising the steps of contacting the gas directly or together with the reducing agent or a precursor thereof with a catalyst comprising an Fe-AEI zeolite material essentially free of alkali metal ions (Alk) and having the following molar compositions: SiO2: oAl2O3: pFe: qAlk wherein o is in the range from 0.001 to 0.2; wherein p is in the range from 0.001 to 0.2; wherein Alk is one or more of alkali ions and wherein q is less than 0.02.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: January 18, 2022
    Assignee: Umicore AG & Co. KG
    Inventors: Nuria Martín García, Manuel Moliner Marín, Avelino Corma Canós, Joakim Reimer Thøgersen, Peter Nicolai Ravnborg Vennestrøm
  • Patent number: 11185820
    Abstract: The invention relates to a three-way catalytic converter, which is suitable, in particular, for the removal of carbon monoxide, hydrocarbons and nitrogen oxides out of the exhaust gas of combustion engines operated with stoichiometric air-fuel mixture. The three-way catalytic converter is characterized in that it has a high oxygen storage capacity after aging and consists of at least two catalytically active layers.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 30, 2021
    Assignee: UMICORE AG & CO. KG
    Inventors: Jan Schoenhaber, Martin Roesch, Joerg-Michael Richter
  • Patent number: 11185854
    Abstract: A cold start catalyst is disclosed. The cold start catalyst is effective to adsorb NOx and hydrocarbons (HC) at or below a low temperature and to covert and release the adsorbed NOx and HC at temperatures above the low temperature. The cold start catalyst comprises a molecular sieve catalyst and a supported platinum group metal catalyst. The molecular sieve catalyst consists essentially of a noble metal and a molecular sieve. The supported platinum group metal catalyst comprises one or more platinum group metals and one or more inorganic oxide carriers. The invention also includes an exhaust system comprising the cold start catalyst, and a method for treating exhaust gas from an internal combustion engine utilizing the cold start catalyst.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: November 30, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Raj Rao Rajaram, Hai-Ying Chen, Dongxia Liu
  • Patent number: 11167246
    Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine comprises: a first washcoat region for oxidising carbon monoxide (CO) and hydrocarbons (HCs), wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material, and wherein the first washcoat region does not comprise manganese or an oxide thereof; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt), manganese (Mn) and a second support material comprising a refractory metal oxide, which is silica-alumina or alumina doped with silica in a total amount of 0.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: November 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
  • Patent number: 11154842
    Abstract: An exhaust gas purification underfloor catalyst characterized in having a catalyst layer having a lower layer and an upper layer, the lower layer containing alumina and CeO2, the noble metal content of the lower layer being at most 0.5 mass % in relation to the mass of the lower layer, the upper layer containing Rh, alumina, and CeO2, the amount of noble metals other than Rh contained being 1 mol % or less in relation to the total amount of noble metals contained in the upper layer, the total amount of CeO2 contained in the lower layer and the upper layer being 14 g/L to 30 g/L, the amount of CeO2 contained in the upper layer being 7 g/L to 25 g/L, and the amount of CeO2 contained in the lower layer being 20% or more of the amount of CeO2 contained in the upper layer.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: October 26, 2021
    Assignee: CATALER CORPORATION
    Inventors: Sho Hoshino, Noboru Sato, Keisuke Murawaki
  • Patent number: 11131225
    Abstract: Described are three-way conversion (TWC) catalytic articles effective to abate hydrocarbons (HCs), carbon monoxide (CO), and nitrogen oxides (NOx) from an engine exhaust gas containing phosphorous impurities. The disclosed catalytic article has a layered catalytic material, wherein the first layer of the catalytic material is disposed directly on the substrate and a second layer is disposed on top of the first layer. The second layer includes phosphorus resistant materials that prevent catalytic poisoning of the catalytic article by the phosphorous impurities. In particular, the second layer includes a phosphorus trap material having an alkaline earth metal component and a rhodium component impregnated on a phosphorus-resistant support material.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: September 28, 2021
    Assignee: BASF Corporation
    Inventors: Fudong Liu, Michel Deeba
  • Patent number: 11123685
    Abstract: An environmental control system includes an air conditioning subsystem and a contaminant removal subsystem downstream of the environment to be conditioned. The contaminant removal subsystem includes: a first gas-liquid contactor-separator; a second gas-liquid contactor-separator; and a dehumidifier disposed either upstream of the first gas-liquid contactor-separator or downstream of the second gas-liquid contactor-separator.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: September 21, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Jun Isobe, Stephen Yates, Phoebe Henson, Ted Bonk
  • Patent number: 11123720
    Abstract: The present invention relates to a catalyst comprising a carrier substrate of the length L extending between substrate ends a and b and two washcoat zones A and B, wherein washcoat zone A comprises a zeolite having a smallest lower channel width of at least 0.4 nm and extends starting from substrate end a over a part of the length L, and washcoat zone B comprises the same components as washcoat A and palladium and extends from substrate end b over a part of the length L, wherein L=LA+LB, wherein LA is the length of washcoat zone A and LB is the length of substrate length B.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: September 21, 2021
    Assignee: UMICORE AG & CO. KG
    Inventors: John Nunan, David Moser, Chad Alltizer
  • Patent number: 11117097
    Abstract: A NOx adsorber catalyst composition, a NOx adsorber catalyst and its use in an emission treatment system for internal combustion engines, is disclosed. The NOx adsorber catalyst composition a support material and one or more platinum group metals disposed on the support material, wherein the support material comprises a NOx storage enhancer.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: September 14, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Desiree Duran Martin, Raj Rajaram
  • Patent number: 11110446
    Abstract: Catalytic articles comprising a substrate having a catalytic coating thereon, the catalytic coating comprising a catalytic layer having a thickness and an inner surface proximate to the substrate and an outer surface distal to the substrate; where the catalytic layer comprises a noble metal component on support particles and where the concentration of the noble metal component towards the outer surface is greater than the concentration towards the inner surface are highly effective towards treating exhaust gas streams of internal combustion engines. The articles are prepared via a method comprising providing a first mixture comprising micron-scaled support particles and applying the first mixture to a substrate to form a micro-particle layer; providing a second mixture comprising nano-scaled support particles and a noble metal component having an initial pH and applying the second mixture to the micro-particle layer and calcining the substrate.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: September 7, 2021
    Assignee: BASF Corporation
    Inventors: Xinzhu Liu, Michael Galligan, Ye Liu, Young Gin Kim, Milena Kudziela, Xinsheng Liu, Pascaline Tran
  • Patent number: 11103855
    Abstract: A method of preparing a catalyst composition for producing a stable ratio of NO2 to NO in an exhaust system of a compression ignition engine is described. The method comprises: (i) preparing a first composition comprising a platinum (Pt) compound disposed or supported on a support material; (ii) preparing a second composition by reducing the platinum (Pt) compound to platinum (Pt) with a reducing agent; and (iii) heating the second composition to at least 650° C.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: August 31, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Andrew Francis Chiffey, Daniel Hatcher, Francois Moreau, Paul Richard Phillips, Freyja Woods
  • Patent number: 11022016
    Abstract: An exhaust gas treatment system for an internal combustion engine includes an exhaust gas pathway configured to receive exhaust from the engine, a diesel particulate filter (DPF) element positioned in the exhaust gas pathway to capture particulate matter from the exhaust, and a regenerator operable to increase a temperature of the exhaust that passes through the DPF element. The system also includes a controller configured to selectively operate the exhaust gas treatment system in a first mode in which the regenerator is inactive such that a temperature of the exhaust is within a first range, a second mode in which the regenerator is activated to increase the temperature of the exhaust to a first target temperature beyond the first range, and a third mode in which the regenerator is activated to increase the temperature of the exhaust to a second target temperature greater than the first temperature.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: June 1, 2021
    Assignee: DEERE & COMPANY
    Inventors: Shyan-Cherng Huang, Danan Dou, Eric J. Hruby
  • Patent number: 11007481
    Abstract: An exhaust treatment system is provided, which comprises: a first oxidation catalyst, to oxidize compounds comprising one or more of nitrogen, carbon, and hydrogen; a first dosage device to supply a first additive into an exhaust stream; a catalytic filter, consisting of a particulate filter with an at least partly catalytic coating with reduction characteristics, for catching and oxidizing soot particles and for a first reduction of an amount of nitrogen oxides in the exhaust stream using the first additive; a second oxidation catalyst, to oxidize one or more of nitrogen oxide and incompletely oxidized carbon compounds in the exhaust stream; a second dosage device to supply a second additive into the exhaust stream; and a reduction catalyst device, arranged for a second reduction of nitrogen oxides in the exhaust stream using at least one of the first or second additives.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 18, 2021
    Assignee: Scania CV AB
    Inventors: Magnus Nilsson, Henrik Birgersson
  • Patent number: 10974226
    Abstract: Supported oxidative coupling of methane (OCM) catalysts, methods of making the catalysts, and uses thereof are described. A supported OCM) catalyst can include a nonporous inert support having a high thermal conductivity and an OCM mixed metal oxide material in contact with surface of the nonporous inert support.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: April 13, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Robert C. Schucker, Pankaj S. Gautam, Katarzyna Derrickson, Hoang Nguyen
  • Patent number: 10961886
    Abstract: The present invention relates to a particle filter which comprises a wall-flow filter and SCR-catalytically active material, wherein the wall-flow filter comprises ducts which extend in parallel between a first and a second end of the wall-flow filter and which are alternately closed off in gas-type fashion either at the first or at the second end and which are separated by porous walls, and wherein the SCR-active material comprises a zeolite which is exchanged with copper and/or iron and which is situated in the form of a coating in the porous walls of the wall-flow filter, characterized in that the SCR-catalytically active coating comprises palladium.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: March 30, 2021
    Assignee: Umicore AG & Co. KG
    Inventors: Anke Schuler, Franz Dornhaus
  • Patent number: 10933373
    Abstract: The present invention relates to a particulate filter which comprises a wall flow filter of length L and three mutually different catalytically active coatings X, Y and Z, wherein the wall flow filter comprises channels E and A that extend in parallel between a first and a second end of the wall flow filter and are separated by porous walls forming surfaces OE and, respectively, OA, and wherein the channels E are gas-tightly sealed at the second end and the channels A are gas-tightly sealed at the first end, characterized in that the coating X is located in the porous walls, the coating Y is located in the channels E on the surfaces OE and the coating Z is located in the channels A on the surfaces OA.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: March 2, 2021
    Assignee: UMICORE AG & CO. KG
    Inventors: Naina Deibel, Stephanie Spiess, Martin Roesch, Joerg-Michael Richter, Jan Schoenhaber, Susanne Kunert
  • Patent number: 10926245
    Abstract: The present disclosure provides a method for operating a three-way catalyst system at high temperatures. The method includes passing a high-temperature exhaust stream exiting an engine over a thermally stable three-way catalyst system including a metal oxide support; two or more catalytically active metals disposed on the support; and a porous metal oxide coating disposed on one or more exposed surfaces of the support. At least one of the catalytically active metals may be platinum (Pt). The method further includes reducing an amount of the nitrogen oxides (NOx), carbon monoxide (CO), and non-methane hydrocarbons (HCs) in an effluent stream exiting the thermally stable three-way catalyst system so that the effluent stream has a combined amount of nitrogen oxides (NOx) and non-methane hydrocarbons (HCs) of less than or equal to about 30 mg/mile and less than or equal to about 0.5 g/mile of carbon monoxide (CO).
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 23, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gongshin Qi, Wei Li, Se H. Oh, Ming Yang
  • Patent number: 10906816
    Abstract: An alumina having a multimodal particle size distribution wherein at least one of the particle sizes giving local maximum values in the particle size distribution is less than 10 ?m, and wherein the alumina comprises 1 to 5 wt % of at least one of La and Ba.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 2, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshitaka Kawakami, Kohei Sogabe, Tetsu Umeda
  • Patent number: 10898886
    Abstract: A hydrocarbon and NOx catalyst trap includes a three-way catalyst, and a zeolite layer adjacent to the three-way catalyst and including alumina and silica arranged to form a repeating skeletal frame that defines cavities including active metal active sites for hydrocarbon and NOx trapping such that individual atoms of the active metal are bound to the frame within the cavities via oxygen atoms.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: January 26, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Lifeng Xu, Giovanni Cavataio, Justin Anthony Ura, Jeffrey Scott Hepburn, Gang Guo
  • Patent number: 10898889
    Abstract: The present invention relates to a SCR catalyst comprising a carrier substrate of the length L, which is a flow-through substrate, and a coating A which comprises a small pore zeolite, copper and palladium.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: January 26, 2021
    Assignee: UMICORE AG & CO. KG
    Inventors: Kenneth Sherwood Price, Anke Schuler, Michael Seyler, Frank-Walter Schütze, Marcus Pfeifer
  • Patent number: 10830118
    Abstract: An after treatment method for a lean-burn engine is disclosed. The after treatment method is configured to control an after treatment system sequentially equipped with an ammonia production catalyst module, a selective catalytic reduction (SCR) catalyst, and a CO clean-up catalyst (CUC) on an exhaust pipe through which an exhaust gas flows and which is connected to a lean-burn engine. In the after treatment method, a rich air/fuel ratio (AFR) is controlled in multiple phases in response to detecting that conversion to the rich AFR is desired.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: November 10, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Nahm Roh Joo, ChangHo Jung, Chang Hwan Kim, Seung Jae Yi
  • Patent number: 10821423
    Abstract: A diesel oxidation catalyst composition is provided, the composition including at least one platinum group metal impregnated onto a porous refractory oxide material in particulate form and at least one base metal oxide impregnated onto a porous refractory oxide material in particulate form, wherein the porous refractory oxide material impregnated with at least one platinum group metal and the porous refractory oxide material impregnated with at least one base metal oxide are in the form of a mixture or wherein the at least one platinum group metal and the at least one base metal oxide are impregnated on the same porous refractory oxide material. The diesel oxidation catalyst provides synergistic enhancement of carbon monoxide oxidation as well as relatively unimpaired hydrocarbon oxidation. Methods of making and using the catalyst composition are also provided, as well as emission treatment systems comprising a catalyst article coated with the catalyst composition.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: November 3, 2020
    Assignee: BASF Corporation
    Inventors: Oleg Ilinich, Stanley Roth
  • Patent number: 10821420
    Abstract: Disclosed is a honeycomb filter for collecting fine particles that includes a wall portion formed from a base material containing ceria-zirconia composite oxide and an inorganic binder. In a pore diameter distribution in which a pore diameter and a log differential pore volume measured through mercury porosimetry are respectively represented by a horizontal axis and a vertical axis, the wall portion has a peak in a range in which the pore diameter is greater than or equal to 0.01 ?m and less than 1 ?m and a peak in a range in which the pore diameter is greater than or equal to 1 ?m and less than or equal to 50 ?m.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: November 3, 2020
    Assignee: IBIDEN CO., LTD.
    Inventor: Shinnosuke Goto
  • Patent number: 10807081
    Abstract: Catalyst articles having an ammonia slip catalyst (ASC) comprising a blend of platinum on a support with low ammonia storage and a first SCR catalyst, and a second catalyst, such as a diesel oxidation catalyst, a diesel exotherm catalyst (DEC), a NOx absorber, a selective catalytic reduction/passive NOx adsorber (SCR/PNA), a cold-start catalyst (CSC) or a three-way catalyst (TWC) are disclosed. The catalyst articles can also contain one or two additional SCR catalysts. The catalysts can be present in one of various configurations. The catalytic articles are useful for selective catalytic reduction (SCR) of NOx in exhaust gases and in reducing the amount of ammonia slip. Methods of using the catalytic articles in an SCR process, where the amount of ammonia slip is reduced, are also described.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: October 20, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Mikael Larsson, David Micallef
  • Patent number: 10801432
    Abstract: An engine control device is provided, which includes an oxidation catalyst provided in an exhaust passage to oxidize unburned fuel within exhaust gas, a NOx catalyst provided integrally with or downstream of the oxidation catalyst, a PM filter provided in the exhaust passage downstream of the oxidation catalyst to capture fine particulate matter within the exhaust gas, a fuel injector, and a controller. When the particulate matter is accumulated by a given amount, the controller starts a PM filter regeneration control to remove the particulate matter, and after this control is started and when the accumulation amount decreases by a given amount, the controller starts a NOx catalyst regeneration control to switch between a first state in which an air-fuel ratio of the exhaust gas is a stoichiometric air-fuel ratio or less and a second state in which the air-fuel ratio is higher than the stoichiometric air-fuel ratio.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: October 13, 2020
    Assignee: Mazda Motor Corporation
    Inventors: Hiroyuki Nishimura, Hiroshi Hayashibara, Goro Tsuboi, Hiroshi Yamada, Yoshiyuki Sato, Yoshio Mizuta
  • Patent number: 10766020
    Abstract: Emissions treatment systems of combustion engines are provided, which comprise a platinum-containing catalyst that is degreened during production, which is before exposure to operating conditions of a vehicle having a diesel engine. The platinum-containing catalyst, in the form of a platinum component on a high surface area refractory metal oxide support, exhibits a vibration frequency of about 2085 to about 2105 cm?1 as measured by CO-DRIFTS. Such catalytic material is essentially-free of platinum oxide species found at greater than about 2110 cm?1 as measured by CO-DRIFTS. Such catalysts can provide excellent and consistent conversion of nitrogen oxide (NO) to nitrogen dioxide (NO2).
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 8, 2020
    Assignee: BASF Corporation
    Inventors: Xinyi Wei, Stanley A. Roth, Haiyang Zhu
  • Patent number: 10753248
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprises: a substrate; and a catalytic region on the substrate; wherein the catalytic region comprises a platinum group metal (PGM) component, an oxide, and a rare earth metal component; wherein the oxide is an inorganic oxide, an oxygen storage component (OSC) material, or a mixture thereof; wherein the rare earth metal component concentration by element on the surface of the oxide per unit specific surface area of the oxide is 1 ?mol/m2 to 20 ?mol/m2.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: August 25, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Tomotaka Hirota, Yasunori Kurashima, Shuhei Nagaoka, Yukie Ohtsuka, Satoshi Sumiya, Takayuki Suzuki, Takashi Yamada
  • Patent number: 10722876
    Abstract: Catalytic articles comprising a substrate having a catalytic coating thereon, the catalytic coating comprising a catalytic layer having a thickness and an inner surface proximate to the substrate and an outer surface distal to the substrate; where the catalytic layer comprises a noble metal component on support particles and where the concentration of the noble metal component towards the outer surface is greater than the concentration towards the inner surface are highly effective towards treating exhaust gas streams of internal combustion engines. The articles are prepared via a method comprising providing a first mixture comprising micron-scaled support particles and applying the first mixture to a substrate to form a micro-particle layer; providing a second mixture comprising nano-scaled support particles and a noble metal component having an initial pH and applying the second mixture to the micro-particle layer and calcining the substrate.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: July 28, 2020
    Assignee: BASF Corporation
    Inventors: Xinzhu Liu, Michael Galligan, Ye Liu, Young Gin Kim, Milena Kudziela, Xinsheng Liu, Pascaline Tran
  • Patent number: 10704441
    Abstract: An exhaust gas-purifying catalyst of the present invention comprising a substrate, a first catalyst layer comprising a first supported catalyst, a second supported catalyst, palladium, and a first nitrogen oxide storage material, and a second catalyst layer comprising a third supported catalyst having an alloying rate of platinum and palladium of 40% or more and a second nitrogen oxide storage material, wherein a mass of the second supported catalyst is greater than a mass of the first supported catalyst and greater than a mass of the third supported catalyst.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 7, 2020
    Assignee: Cataler Corporation
    Inventors: Yoshinori Yamashita, Shohei Tomita, Daisuke Ochiai, Masatoshi Ikebe
  • Patent number: 10688479
    Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a crystalline transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 23, 2020
    Assignee: UOP LLC
    Inventors: Stuart R. Miller, Susan C. Koster
  • Patent number: 10688476
    Abstract: Provided is an exhaust gas purification catalyst in which the performance of a catalyst metal can be brought out properly, the purification catalyst boasting excellent purification performance during warm-up of an internal combustion engine. The exhaust gas purification catalyst 10 is provided with a substrate 1 and a catalyst layer. A leading end section 1a positioned upstream in the direction of exhaust gas flow (arrow) has a portion in which the flow rate of exhaust gas is relatively high and a portion in which the flow rate of exhaust gas is relatively low during warm-up of the internal combustion engine. The catalyst, layer in the portion of relatively high flow rate of exhaust gas has a high density section 6 in which a noble metal, is supported at relatively high density. The high density section 6 is formed to be shorter than the total length of the exhaust gas purification catalyst 10 from the leading end section 1a in the direction of exhaust gas flow.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: June 23, 2020
    Assignee: Cataler Corporation
    Inventors: Ryota Onoe, Shingo Sakagami, Tsuyoshi Ito, Yuta Morishita
  • Patent number: 10682632
    Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 16, 2020
    Assignee: UOP LLC
    Inventors: Stuart R. Miller, Susan C. Koster
  • Patent number: 10654755
    Abstract: An outer peripheral coating member contains first particles containing titanium oxide, second particles containing zirconium oxide, third particles containing niobium oxide or aluminum oxide, and a dispersion medium. It is preferable for the first particles to have at least two peak values R1 in a distribution of particle sizes of the first particles. One of the peak values R1 is within a range of 1 to 50 nm, and the other peak value R1 is within a range of 100 to 500 nm.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: May 19, 2020
    Assignee: DENSO CORPORATION
    Inventors: Mitsunori Oota, Emi Hattori, Keiichi Kato
  • Patent number: 10634030
    Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: April 28, 2020
    Assignee: BASF Corporation
    Inventors: Yuejin Li, Xiaolai Zheng, Stanley Roth, Olga Gerlach, Andreas Sundermann
  • Patent number: 10603658
    Abstract: The present invention provides a honeycomb structured body capable of achieving more effective use of a catalyst in partition walls and having excellent exhaust gas conversion performance. The present invention relates to a honeycomb structured body including: a honeycomb fired body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween, wherein the honeycomb fired body contains ceria-zirconia composite oxide particles and alumina particles, the partition wall of the honeycomb fired body contains macropores having a pore size of 2 to 50 ?m, and in an electron microscope image of a cross section of the partition wall, the percentage of the area occupied by pores having a pore size of 5 to 15 ?m is at least 85% of the total area of the macropores.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: March 31, 2020
    Assignees: IBIDEN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Misako Makino, Daisuke Mori, Takeru Yoshida, Hiromasa Suzuki, Masaru Kakinohana, Takumi Tojo
  • Patent number: 10553367
    Abstract: Photovoltaic perovskite oxychalcogenide material and an optoelectronic device are provided. The optoelectronic device includes a cathode layer, an anode layer, and an active layer disposed between the cathode layer and the anode layer. In one embodiment, the active layer includes a perovskite oxychalcogenide compound and the perovskite oxychalcogenide compound is NaMO2Q, wherein M is Nb or Ta, and Q is S, Se or Te.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: February 4, 2020
    Assignees: QATAR FOUNDATION, TRINITY COLLEGE DUBLIN
    Inventors: Fadwa El-Mellouhi, Nouar Tabet, Fahhad Hussain Alharbi, Stefano Sanvito, Heesoo Park
  • Patent number: 10543470
    Abstract: Described herein are improved chemical reactors for carrying out partial oxidation reactions. The chemical reactor permits the use of levels of oxygen above the lower explosion limit (LEL) typically used in partial oxidation reactions, which increases both volumetric reactivity and conversion per pass, resulting in reduced separation and reactant recycle costs. Also described are methods of using the reactors.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: January 28, 2020
    Assignees: IntraMicron, Inc., Auburn University
    Inventors: Bruce Tatarchuk, David Scarborough, Paul Dimick, Hongyun Yang
  • Patent number: 10519837
    Abstract: A combustion system operated at low cost is provided. A combustion system 1 includes a combustion device 10 that burns fuel, an exhaust line L1 through which exhaust gas flows, the exhaust gas being generated through combustion of the fuel in the combustion device 10, a dust collector 50 that is disposed in the exhaust line L1 and that collects dust in the exhaust gas, and a denitration device 90 that is disposed in the exhaust line L1 and that removes nitrogen oxide from the exhaust gas using a denitration catalyst. The denitration device 90 is disposed downstream from the dust collector 50 in the exhaust line L1. The denitration catalyst contains 43 wt % or more of vanadium pentoxide and has a BET specific surface area of 30 m2/g or more.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: December 31, 2019
    Assignees: CHUGOKU ELECTRIC POWER CO., INC., TOKYO METROPOLITAN UNIVERSITY
    Inventors: Eiji Kiyonaga, Kenji Hikino, Keiichiro Morita, Masatake Haruta, Toru Murayama, Makoto Mino
  • Patent number: 10518255
    Abstract: Catalyst articles having an ammonia slip catalyst (ASC) comprising a blend of platinum on a support with low ammonia storage and a first SCR catalyst, and a second catalyst, such as a diesel oxidation catalyst, a diesel exotherm catalyst (DEC), a NOx absorber, a selective catalytic reduction/passive NOx adsorber (SCR/PNA), a cold-start catalyst (CSC) or a three-way catalyst (TWC) are disclosed. The catalyst articles can also contain one or two additional SCR catalysts. The catalysts can be present in one of various configurations. The catalytic articles are useful for selective catalytic reduction (SCR) of NOx in exhaust gases and in reducing the amount of ammonia slip. Methods of using the catalytic articles in an SCR process, where the amount of ammonia slip is reduced, are also described.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: December 31, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Mikael Larsson, David Micallef
  • Patent number: 10512898
    Abstract: Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: December 24, 2019
    Assignee: BASF Corporation
    Inventors: Michel Deeba, Yipeng Sun, Tian Luo, Emi Leung, Pavel Ruvinskiy, Dinh Dang
  • Patent number: 10493436
    Abstract: A method in which flue gas or exhaust gas containing harmful carbon monoxide, organic compounds (VOC) and NOx is contacted with a layered catalyst. A first layer of the catalyst comprises an oxidation catalyst. An underlying layer of the catalyst comprises a NH3-SCR catalyst for the simultaneous removal of the carbon monoxide and NOx.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: December 3, 2019
    Assignee: Haldor Topsoe A/S
    Inventors: Francesco Castellino, Viggo Lucassen Hansen