Cerium Patents (Class 502/304)
  • Patent number: 10486149
    Abstract: A photocatalytic system having enhanced photo efficiency/photonic efficacy is provided that includes a thin nucleation material coated on a substrate. The nucleation material enhances lattice matching for a subsequently deposited photocatalytic active material. Such a photocatalytic system may be used as a self-cleaning surface in an application where removal of fingerprints and other residue is desired. In certain aspects, the nucleation material comprises aluminum oxide (Al2O3) and the photocatalytic material comprises an anatase phase of titanium dioxide (TiO2) deposited over the nucleation material. A photocatalytic activity of the system is ?about 50% above a comparative photocatalytic activity where the photocatalytic active material is disposed directly on the substrate. Methods of making such photocatalytic systems are also provided.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: November 26, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gayatri Vyas Dadheech, Thomas A. Seder, James A. Carpenter
  • Patent number: 10471413
    Abstract: Described is a catalyst composition suitable for use as a selective catalytic reduction catalyst, including small-pore molecular sieve particles having a pore structure and a maximum ring size of eight tetrahedral atoms and impregnated with a promoter metal, and metal oxide particles dispersed within the small-pore molecular sieve particles and external to the pore structure of the small-pore molecular sieve particles, wherein the metal oxide particles include one or more oxides of a transition metal or lanthanide of Group 3 or Group 4 of the Periodic Table. A method for preparing the catalyst, a method for selectively reducing nitrogen oxides, and an exhaust gas treatment system are also described.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: November 12, 2019
    Assignee: BASF Corporation
    Inventors: Jaya L. Mohanan, Gary A. Gramiccioni, John Hochmuth, Kenneth E. Voss
  • Patent number: 10413886
    Abstract: The present invention relates to a catalyst comprising two layers on an inert catalyst carrier, wherein a layer A lying directly on the catalyst carrier contains at least one platinum group metal and one cerium/zirconium/SE mixed oxide, and a layer B, applied on layer A and in direct contact with the flow of exhaust gas, contains at least one platinum group metal and a cerium/zirconium/SE mixed oxide, wherein SE stands for a rare earth metal other than from cerium, characterized in that the fraction of SE oxide in the cerium/zirconium/SE mixed oxide of layer A is less than the fraction of SE oxide in the cerium/zirconium/SE mixed oxide of layer B.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: September 17, 2019
    Assignee: UMICORE AG & CO. KG
    Inventors: Joel Despres, Joerg-Michael Richter, Martin Roesch, Nicole Schichtel, Marcus Schmidt, Jan Schoenhaber, Stephanie Spiess, Anke Wolf
  • Patent number: 10408102
    Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: September 10, 2019
    Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Noguchi, Makoto Tsuji, Hiroto Imai, Yusuke Shimmyo, Hiroyuki Matsubara
  • Patent number: 10378409
    Abstract: An object of the present disclosure is to provide an exhaust gas purification catalyst demonstrating superior storage of NOx contained in exhaust gas. The exhaust gas purification catalyst of the present disclosure has a substrate, a first catalyst layer containing a catalytic metal for NOx reduction and a NOx storage material and formed on the substrate, and a second catalyst layer containing a catalytic metal for NOx oxidation and formed on the first catalyst layer. In the exhaust gas purification catalyst of the present disclosure, the value obtained by dividing the volume of all large pores having a pore volume of 1000 ?m3 or more by the total volume of all medium pores of having a pore volume of 10 ?m3 to 1000 ?m3 in the second catalyst layer is 2.44 or less.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: August 13, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jota Yamauchi, Takahiro Hayashi, Masaya Ibe, Satoru Katoh, Tsuyoshi Hamaguchi, Toshiyuki Tanaka
  • Patent number: 10343117
    Abstract: A catalyst body which includes ceria:zirconia and a metal-zeolite, and is substantially free, or free, of tungsten or tungsten compounds, and methods of manufacture. The ceria and zirconia are present with a zirconia/ceria mole ratio of less than or equal to 1.0. The catalyst body is especially useful in NOx reduction applications.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: July 9, 2019
    Assignee: Corning Incorporated
    Inventors: Kaveh Adib, Jacqueline Leslie Brown, Steven Bolaji Ogunwumi
  • Patent number: 10336664
    Abstract: Fluidizable catalysts for the gas phase oxygen-free oxidative cracking of alkanes, such as hexane, to one or more olefins, such as ethylene, propylene, and/or butylene. The catalysts comprise 1-15% by weight per total catalyst weight of one or more vanadium oxides (VOx), such as V2O5. The catalysts are disposed on an alumina support that is modified with cerium to influence catalyst acidity and characteristics of lattice oxygen at the catalyst surface. Various methods of preparing and characterizing the catalyst as well as methods for the gas phase oxygen free oxidative cracking of alkanes, such as hexane, to one or more olefins, such as ethylene, propylene, and/or butylene with improved alkane conversion and olefins product selectivity are also disclosed.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: July 2, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammad Mozahar Hossain, AbdAlwadood Hassan Elbadawi, Muhammad Yasir Khan, Shaikh Abdur Razzak
  • Patent number: 10340465
    Abstract: An embodiment relates to a composition including at least two powders. The powders are selected from the group including a powder including a p-doped perovskite; a powder including an n-doped perovskite; and a powder including an undoped perovskite. A method for producing the composition, a method for producing a detector using the composition, and a detector, in particular an X-ray detector, produced thereby are also disclosed.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 2, 2019
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Andreas Kanitz, Oliver Schmidt, Sandro Francesco Tedde
  • Patent number: 10258964
    Abstract: Provided are a composite oxide which is suitable as a co-catalyst for an exhaust gas purifying catalyst or the like, has high heat resistance, and has an excellent oxygen absorbing and desorbing capability at low temperatures and a method for producing the composite oxide. The composite oxide contains Ce and Zr, wherein the Ce content is 30 to 80 at % and the Zr content is 20 to 70 at %, based on the total of Ce and Zr being 100 at %, or further contains particular element M, wherein the Ce content is not less than 30 at % and less than 80 at %, the Zr content is not less than 20 at % and less than 70 at %, and the content of element M is more than 0 at % and not more than 15 at %, based on the total of Ce, Zr, and element M being 100 at %.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 16, 2019
    Assignee: SANTOKU CORPORATION
    Inventors: Tadatoshi Murota, Shigeru Ono, Tomonori Tahara
  • Patent number: 10220368
    Abstract: An oxygen storage material comprises three pyrochlore-type composite oxides which are a ceria-zirconia composite oxide, a lanthana-zirconia composite oxide, and a ceria-zirconia-lanthana composite oxide, and which coexist together, wherein the oxygen storage material contains: first secondary particles made of the pyrochlore-type ceria-zirconia composite oxide and the pyrochlore-type ceria-zirconia-lanthana composite oxide; and second secondary particles made of the pyrochlore-type lanthana-zirconia composite oxide and the pyrochlore-type ceria-zirconia-lanthana composite oxide.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: March 5, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Morikawa, Yoshihiro Goto, Toshitaka Tanabe, Masahide Miura, Hiromasa Suzuki
  • Patent number: 10189011
    Abstract: An exhaust gas purifying catalyst with an excellent effect of suppressing deterioration due to aggregation of a noble metal catalyst during endurance at high temperature, and a production method therefor. The method for producing the exhaust gas purifying catalyst that has a porous carrier and a noble metal catalyst supported thereon includes: preparing the porous carrier that contains alumina-ceria-zirconia composite oxide particles and has physical property values, after subjected to baking at 900° C. for 5 hours, of a pore diameter of the particles in the range of 2 to 20 nm, a specific surface area of the particles in the range of 75 to 115 m2/g, a crystallite size of a ceria-zirconia composite oxide contained in the particles in the range of 4 to 6 nm, and a bulk density of the particles in the range of 0.5 to 0.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: January 29, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takaaki Kanazawa, Shunsuke Haga, Isao Naito, Akiya Chiba, Motoya Abe
  • Patent number: 10159958
    Abstract: A lean NOx trap (LNT) catalyst includes a plurality of carriers connected to each other in series, wherein each of the carriers is embedded with at least one of a first wash coat containing magnesium (Mg)-substituted alumina, ceria (CeO2), barium (Ba), and a precious metal, a second wash coat containing magnesium (Mg)-substituted alumina, ceria (CeO2), barium (Ba), a third wash coat containing magnesium (Mg)-substituted alumina, ceria (CeO2), and a fourth wash coat containing magnesium (Mg)-substituted alumina, ceria (CeO2), and a higher content of a precious metal than the first wash coat, a ratio of the magnesium-substituted alumina to ceria (CeO2) being lower than that of the third wash coat, wherein the third and first wash coats are disposed in a foremost carrier through which exhaust gas passes sequentially from a front portion of the foremost carrier.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: December 25, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Chang Ho Jung
  • Patent number: 10130933
    Abstract: A catalyst composition for methanol partial oxidation for hydrogen production includes a zinc metal supported on a reducible porous oxide carrier. The zinc metal can vary from about 0.1 wt. % to about 30 wt. % of the catalyst composition. The catalyst composition can be used to produce hydrogen from methanol at high yield and with a low selectivity towards carbon monoxide (CO) production. The reducible porous oxide carrier includes a mechanical mixture of CeO2 and ZrO2.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: November 20, 2018
    Assignee: King Abdulaziz University
    Inventors: Sharif Fakhruz Zaman, Muhammad A. Daous, Abdulrahim Ahmad Alzahrani, Lachezar Angelov Petrov, Aibibula Bake, Jamal Touitou, Yahia Abobakor Saleh Alhamed
  • Patent number: 10000448
    Abstract: Methods, systems and kits for preparing carbamates as well as catalysts for preparing the carbamates, are disclosed. The methods for preparing carbamate can include providing a catalyst comprising cerium oxide (CeO2) and at least one metal selected from the group consisting of iron (Fe), manganese (Mn), titanium (Ti), cobalt (Co), aluminum (Al), zinc (Zn), calcium (Ca), tin (Sn), indium (In), and any combination thereof; contacting the catalyst with at least one amine and at least one alcohol to form a mixture; and contacting the mixture with carbon dioxide under conditions sufficient to form the carbamate.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: June 19, 2018
    Assignee: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhenshan Hou, Ran Zhang
  • Patent number: 9993771
    Abstract: Zoned diesel oxidation catalysts containing a higher precious metal loading in the inlet zone that the outlet zone and an equal or shorter length inlet zone are described. Emission treatment systems and methods of remediating nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons using zoned diesel oxidation catalysts are also described.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: June 12, 2018
    Assignee: BASF Corporation
    Inventors: Kenneth E. Voss, Kevin A. Hallstrom, Sanath V. Kumar, Susanne Stiebels, Marius Vaarkamp
  • Patent number: 9981258
    Abstract: A layered catalyst composite for the treatment of exhaust gas emissions, effective to provide lean NOx trap functionality and three-way conversion functionality is described. Layered catalyst composites can comprise catalytic material on a substrate, the catalytic material comprising at least two layers. The first layer comprising rare earth oxide-high surface area refractory metal oxide particles, an alkaline earth metal supported on the rare earth oxide-high surface area refractory metal oxide particles, and at least one first platinum group metal component supported on the rare earth oxide-high surface area refractory metal oxide particles. The second layer comprising a second platinum group metal component supported on a first oxygen storage component (OSC) and/or a first refractory metal oxide support and, optionally, a third platinum group metal supported on a second refractory metal oxide support or a second oxygen storage component.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: May 29, 2018
    Assignee: BASF Corporation
    Inventors: Wen-Mei Xue, Attilio Siani, John K. Hochmuth, Markus Kinne, Stefan Kielbassa
  • Patent number: 9937487
    Abstract: Provided is an exhaust gas control catalyst including: a substrate (21); and a catalyst layer (22) that is arranged on the substrate, in which the catalyst layer (22) includes a palladium region (23) that contains palladium, aluminum oxide, ceria-zirconia solid solution, and a composite oxide of lanthanum, iron, and zirconium, and a rhodium region (24) that is arranged adjacent to the palladium region along a plane direction of the catalyst layer and contains rhodium, aluminum oxide, and ceria-zirconia solid solution.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: April 10, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahide Miura, Isao Chinzei, Tetsuhiro Hirao, Tadashi Suzuki, Toshitaka Tanabe
  • Patent number: 9931615
    Abstract: Disclosed is a catalyst composition for inhibiting the deactivation of a catalyst for purifying exhaust gas from a compressed natural gas combustion system, which contains platinum and palladium as precious metal components. Specifically, a catalyst for purifying exhaust gas from a compressed natural gas vehicle or a static combustion system is configured such that a ceramic substrate is impregnated with palladium-impregnated first alumina, platinum-impregnated second alumina, and a ceria component, wherein the first alumina is further impregnated with a cocatalyst selected from the group consisting of barium, nickel, lanthanum, samarium, and yttrium, thus significantly inhibiting the deactivation of the CNG lean burn engine catalyst.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: April 3, 2018
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Seung Chul Na, Eun-seok Kim, Joon-Woo Kim
  • Patent number: 9849441
    Abstract: The exhaust gas-purifying catalyst of the invention contains oxide particles having interdispersed therein A crystallites that are loaded with a noble metal and B crystallites that are not loaded with a noble metal. The A crystallites loaded with a noble metal are composed of an oxide containing at least one of zirconium (Zr) and cerium (Ce). The B crystallites not loaded with a noble metal are composed of a cerium (Ce)-containing oxide which has a higher Ce content (mol %) than the oxide making up the A crystallites. The oxide particles have a specific surface area after 5 hours of heat treatment at 1,150° C. in open air of 30 m2/g or more.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: December 26, 2017
    Assignee: CATALER CORPORATION
    Inventors: Satoshi Matsueda, Akimasa Hirai, Kenichi Taki
  • Patent number: 9839902
    Abstract: A catalytic converter with excellent OSC performance and NOx purification performance. The converter includes a substrate with a cell structure through which exhaust gas flows, and a catalyst layer formed on a cell wall surface of the substrate. The catalyst layer includes a lower catalyst layer and an upper catalyst layer, the lower catalyst layer being formed on a surface of the substrate, and the upper catalyst layer being formed on a surface of the lower catalyst layer. The upper catalyst layer includes at least a zirconia support with rhodium carried thereon, and two types of ceria-zirconia-based composite oxides with different specific surface areas, each of the ceria-zirconia-based composite oxides having no rhodium carried thereon. The lower catalyst layer includes an alumina support with platinum carried thereon, and a ceria-zirconia-based composite oxide.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: December 12, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiromasa Suzuki, Takeru Yoshida, Yoshinori Saito, Mitsuyoshi Okada
  • Patent number: 9815044
    Abstract: A composition and method for producing the same are provided. The composition includes transition metal oxides adhered to a surface of a cerium oxide support, and can additionally include alkali metal or alkaline earth metal promotors. The method includes incipient wetness impregnation of the support with metal salt in solution, and can include impregnation with a metal chelator salt. The composition can be useful as a catalyst for the reduction of noxious gases in combustion exhaust streams. The composition can be of particular use as a component of an automobile catalytic converter, for the specific catalytic reduction of nitrogen oxides to nitrogen gas.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 14, 2017
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Northwestern University
    Inventors: Justin M. Notestein, Dario Prieto-Centurion, Paul T. Fanson, Charles Alexander Roberts
  • Patent number: 9737885
    Abstract: Provided is a structure for forming carbon nanofiber, including a base material containing an oxygen ion-conductive oxide, and a metal catalyst that is provided on one surface side of the base material.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: August 22, 2017
    Assignee: FUJIKURA LTD.
    Inventor: Masayasu Inaguma
  • Patent number: 9682365
    Abstract: Provided is a new catalyst that can have heightened purification performance for NOx under lean conditions. Proposed is an exhaust gas purification catalyst composition provided with: a carrier (A) comprising zirconium phosphate; a catalyst active component (a) supported on the carrier (A); a carrier (B) comprising an inorganic oxide porous body; and a catalyst active component (b) supported on the carrier (B).
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: June 20, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Yuki Nagao, Hironori Iwakura, Yunosuke Nakahara, Masato Machida
  • Patent number: 9611773
    Abstract: A zoned catalyzed substrate monolith comprises a first zone and a second zone that are arranged axially in series. The first zone comprises a platinum group metal loaded on a support and a first base metal oxide or a first base metal loaded on an inorganic oxide. The first base metal oxide is iron oxide, manganese oxide, copper oxide, zinc oxide, nickel oxide, or mixtures thereof. The first base metal is iron, manganese, copper, zinc, nickel, or mixtures thereof. The second zone comprises copper or iron loaded on a zeolite and a second base metal oxide or a second base metal loaded on an inorganic oxide. The second base metal oxide is iron oxide, manganese oxide, copper oxide, zinc oxide, nickel oxide, or mixtures thereof. The second base metal is iron, manganese, copper, zinc, nickel, or mixtures thereof. The second base metal is different from the first base metal.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: April 4, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Gavin Michael Brown, Andrew Francis Chiffey, Paul Richard Phillips, Daniel Swallow
  • Patent number: 9597661
    Abstract: A catalyzed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalyzed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilize when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilized PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: March 21, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Philip Gerald Blakeman, Gavin Michael Brown, Sougato Chatterjee, Andrew Francis Chiffey, Jane Gast, Paul Richard Phillips, Raj Rao Rajaram, Glen Spreitzer, Andrew Peter Walker
  • Patent number: 9597666
    Abstract: A wash coat is formed by combining platinum group metals (PGM) and an adhesive with a mixture of catalyst support materials according to the relationship (?)RE-Ce—ZrO2+(?)CZMLA+(1????)RE-Al2O3. The RE-Ce—ZrO2 is a commercial material of rare earth elements stabilized ceria zirconia having a weight ratio (?) ranging from 0 to about 0.7; CZMLA is a catalyst support material comprising a core support powder coated with a solid solution and has a weight ratio (?) ranging from about 0.2 to about 1 such that (?+?)?1. RE-Al2O3 is rare earth element stabilized alumina having a weight ratio equal to (1????). The wash coat exhibits a lower activation temperature compared with traditional wash coat formulations by at least 50° C. This wash coat also requires less RE-Ce—ZrO2 oxide and/or less PGM in the formulation for use as an emission control catalyst for gasoline and diesel engines.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: March 21, 2017
    Assignee: Pacific Industrial Development Corporation
    Inventors: Wei Wu, Yunkui Li, Jeffery Lachapelle
  • Patent number: 9592498
    Abstract: A porous inorganic composite oxide containing oxides of aluminum and of cerium and/or zirconium, and, optionally, oxides of one or more dopants selected from transition metals, rare earths, and mixtures thereof, and having a specific surface area, in m2/g, after calcining at 1100° C. for 5 hours, of ?0.8235[Al]+11.157 and a total pore volume, in cm3/g, after calcining at 900° C. for 2 hours, of ?0.0097[Al]+0.0647, wherein [Al] is the amount of oxides of aluminum, expressed as pbw Al2O3 per 100 pbw of the composite oxide; a catalyst containing one or more noble metals dispersed on the porous inorganic composite oxide; and a method for making the porous inorganic composite oxide.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: March 14, 2017
    Assignee: Rhodia Operations
    Inventors: Olivier Larcher, Francis Francis, Thomas English, Simon Ifrah, Andrew Polli
  • Patent number: 9580309
    Abstract: The present invention provides an ammonia oxidation/decomposition catalyst including a support composed of an oxidizable and reducible metal oxide and a catalytically active metal supported thereon. By bringing the ammonia oxidation/decomposition catalyst including a support composed of an oxidizable and reducible metal oxide and a catalytically active metal supported thereon into contact with ammonia and air at room temperature, the support in a reduced state reacts with oxygen to generate oxidation heat, and the temperature of the catalyst layer is increased in a moment. Once the temperature of the catalyst layer is increased to a temperature at which ammonia and oxygen react with each other, the ammonia oxidation reaction proceeds autonomously after that. The heat generated in this exothermic reaction is used in the course of decomposing ammonia in the presence of the catalytically active metal, thereby producing hydrogen.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: February 28, 2017
    Assignee: Hitachi Zosen Corporation
    Inventors: Sadao Araki, Susumu Hikazudani, Takuma Mori, Akira Taniguchi
  • Patent number: 9579633
    Abstract: A catalytic converter with excellent OSC performance and NOx purification performance. The catalytic converter includes a substrate with a cell structure and catalyst layer. The catalyst layer includes lower and upper catalyst layers. The upper catalyst layer includes a zirconia compound support with rhodium carried thereon that contains zirconia, lanthanum oxide, and yttrium oxide; an alumina compound without rhodium carried thereon that contains alumina and lanthanum oxide; and a ceria-zirconia-based composite oxide containing ceria, zirconia, lanthanum oxide, and neodymium oxide.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: February 28, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiromasa Suzuki, Takeru Yoshida, Yoshinori Saito, Mitsuyoshi Okada
  • Patent number: 9566566
    Abstract: A hydrogen production catalyst used for generating hydrogen by splitting water, the catalyst comprising a composite metal oxide of cerium oxide and praseodymium oxide.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: February 14, 2017
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventor: Kiyoshi Yamazaki
  • Patent number: 9533299
    Abstract: The present disclosure relates to a substrate comprising nanomaterials for treatment of gases, washcoats for use in preparing such a substrate, and methods of preparation of the nanomaterials and the substrate comprising the nanomaterials. More specifically, the present disclosure relates to a substrate comprising nanomaterial for three-way catalytic converters for treatment of exhaust gases.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: January 3, 2017
    Assignee: SDCmaterials, Inc.
    Inventors: Xiwang Qi, Maximilian A. Biberger
  • Patent number: 9511352
    Abstract: The present disclosure relates to a substrate comprising nanomaterials for treatment of gases, washcoats for use in preparing such a substrate, and methods of preparation of the nanomaterials and the substrate comprising the nanomaterials. More specifically, the present disclosure relates to a substrate comprising nanomaterial for three-way catalytic converters for treatment of exhaust gases.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: December 6, 2016
    Assignee: SDCmaterials, Inc.
    Inventors: Xiwang Qi, Maximilian A. Biberger
  • Patent number: 9511353
    Abstract: The effect of firing (calcination) cycle on metallic substrates in ZPGM catalyst systems is disclosed. ZPGM catalyst samples with washcoat and overcoat are separately fired in a normal, slow and fast firing cycles to determine the optimal firing cycling that may provide an enhanced catalyst performance, as well as the minimal loss of washcoat adhesion from the samples.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: December 6, 2016
    Assignee: Clean Diesel Technologies, Inc. (CDTI)
    Inventor: Zahra Nazarpoor
  • Patent number: 9468908
    Abstract: Disclosed are catalysts comprised of platinum and rhodium on a support selected from the group of zirconia, stabilized (doped) zirconia, zirconia-metal oxide composites, and mixtures thereof, wherein the outer surfaces of the support are selected from the group of zirconia, stabilized zirconia, and mixtures thereof. More particularly, the supported catalysts comprise platinum and rhodium, wherein the molar ratio of platinum to rhodium is in the range of about 3:1 to about 1:2. The average pore diameter of the catalyst supports is in the range of about 5 nm to about 70 nm and the surface area is in the range of about 15 m2/g to about 200 m2/g. Also disclosed are methods for the hydrodeoxygenation of carboxylic acids, mono- and/or di-lactones thereof having at least one hydroxyl group on the backbone thereof to corresponding acids where the backbone hydroxyl group has been reduced in the presence of the catalyst.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: October 18, 2016
    Assignee: Renovia Inc.
    Inventors: George Fredrick Salem, Guang Zhu, Alfred Gerhard Hagemeyer, Eric L. Dias
  • Patent number: 9433899
    Abstract: The invention relates to a method for removing carbon monoxide and hydrocarbons from the exhaust gas of lean-burn internal combustion engines, said exhaust gas being passed over a catalyst which contains platinum supported on one or more refractory supporting materials, pure cerium oxide, and optionally an additional noble metal selected from the group consisting of platinum, palladium and rhodium, wherein the pure cerium oxide is in close contact with the noble metal.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: September 6, 2016
    Assignee: UMICORE AG & CO. KG
    Inventors: Ruediger Hoyer, Anke Schuler, Stefan Franoschek, Thomas R. Pauly, Gerald Jeske
  • Patent number: 9387461
    Abstract: A new type of catalyst support with oxygen storage capacity (OSC) and methods of making the same are disclosed. The composition ratio is x(Ce1?wZrwO2):yM:zL:(1?x?y?z)Al2O3, where Ce1?wZrwO2 is the oxygen storage composition with stabilizer Zr02, molar ratio (w) in the range of 0 to about 0.8, and a weight ratio (x) of about 0.05 to about 0.8; M is an interactive promoter for oxygen storage capacity with a weight ratio (y) of 0 to about 0.10; and L is a stabilizer for the support Al2O3 with weight ratio (z) of from 0 to about 0.10. In some cases, M or L can act as both OSC promoter and thermal stabilizer. The weight percentage range of ceria-zirconia and other metal and rare earth oxides (x+y+z) is from about 5 to about 80% relative to total oxides.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: July 12, 2016
    Assignee: Pacific Industrial Development Corporation
    Inventors: Wei Wu, Yunkui Li, Jeffery Lachapelle
  • Patent number: 9291082
    Abstract: A system includes a catalytic reactor configured to mount to a combustor. The catalytic reactor includes a catalyst configured to reduce emissions associated with combustion in the combustor. The catalytic reactor also includes a first and a second sacrificial coating disposed over the catalyst prior to mounting of the catalytic reactor into the combustor, wherein the first and second sacrificial coatings are removable while the catalytic reactor is mounted to the combustor without damaging the catalyst.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: March 22, 2016
    Assignee: General Electric Company
    Inventors: Richard Todd Everhart, Rebecca Evelyn Hefner, Cristina Colindres Kraemer, Gilbert Otto Kraemer, Surinder Singh Pabla, Stephen Gerard Pope
  • Patent number: 9278347
    Abstract: The invention relates to a process for coating ceramic honeycomb bodies with a coating suspension containing, in a carrier liquid, catalyst components as solids and/or in dissolved form. The honeycomb bodies have parallel flow channels running through them. The walls of the flow channels generally have an open pore structure. To coat the channel walls and in particular also the interior surfaces of the pores with the coating suspension, it is proposed that the flow channels be temporarily alternately closed and the coating suspension be forced through the open pore structure of the channel walls. The coating is subsequently dried and calcined. To close the flow channels, it is possible to use thermally or chemically decomposable or soluble compositions which are decomposed or dissolved either during calcination or by means of a subsequent chemical treatment. The coated honeycomb bodies are preferably used for the purification of exhaust gases from automobiles.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: March 8, 2016
    Assignee: UMICORE AG & CO. KG
    Inventors: Marcus Pfeifer, Paul Spurk, Markus Koegel, Egbert S. J. Lox, Thomas Kreuzer
  • Patent number: 9260783
    Abstract: A method for electroless metal deposition on a surface in a finely dimensioned space (e.g. the bore of a hollow fiber) includes introducing into the space an electroless plating solution that has a nil or relatively low plating rate at normal room temperature, and thereafter heating the structure to an elevated temperature for a period sufficient to cause metal to plate on the wall surface. The introducing and heating may be repeated as necessary or desired to build up a specified thickness.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: February 16, 2016
    Assignee: BAE SYSTEMS PLC
    Inventors: Michael Dunleavy, Sajad Haq, Martyn John Hucker
  • Patent number: 9205493
    Abstract: Nanostructure morphologies are controlled by incorporating an agitation mechanism that imparts low shear mixing along with purification of a resulting nanostructure product to effectively remove agglomerates and other components of a reaction mixture. In such manner, higher yields and higher batch-to-batch consistency in the production of nanostructures can be achieved.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: December 8, 2015
    Assignee: Innova Dynamics, Inc.
    Inventors: Michael Eugene Young, Arjun Srinivas, Matthew R. Robinson, Alexander Chow Mittal
  • Patent number: 9156025
    Abstract: The present disclosure relates to a substrate comprising nanomaterials for treatment of gases, washcoats for use in preparing such a substrate, and methods of preparation of the nanomaterials and the substrate comprising the nanomaterials. More specifically, the present disclosure relates to a substrate comprising nanomaterial for three-way catalytic converters for treatment of exhaust gases.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 13, 2015
    Assignee: SDCmaterials, Inc.
    Inventors: Xiwang Qi, Maximilian A. Biberger
  • Patent number: 9138725
    Abstract: A catalyst material for the oxidation of NO comprising a catalyst carrier including a ceria-alumina support having platinum and optionally palladium dispersed on the support is described. When palladium is present, the ratio of platinum to palladium by weight is at least 1:1. The amount of ceria in the support is in the range of 1% to 12% by weight. The catalyst material is useful for methods and systems of abating pollutants from automotive exhaust gas from lean burn engines.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: September 22, 2015
    Assignee: BASF Corporation
    Inventors: Jeffrey B. Hoke, Olga Gerlach, Andreas Sundermann
  • Patent number: 9084967
    Abstract: An oxygen adsorbent that includes Ln2O2SO4, wherein Ln represents a rare earth element, and a ceria composite oxide, and an exhaust gas purifying catalyst that includes the oxygen adsorbent.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: July 21, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Masahide Miura
  • Patent number: 9056310
    Abstract: The present invention provides a process and catalyst for the conversion of phenol and its derivatives to cyclohexane and cyclohexanol. The process provides a direct single step for selective hydrogenation of phenol and its derivatives over Pt—Ce oxide catalyst. The process provides a phenol conversion of 50 to 100% and selectivity of hydrogenated product up to 98%.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: June 16, 2015
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Bal Rajaram, Sarkar Bipul, Singha Rajib Kumar, Pendem Chandrashekar, Shankha Shubhra Acharyya, Ghosh Shilpi, Goyal Reena, Das Subhasis, Bordoloi Ankur, Konathala Laxmi Narayan Sivakumar
  • Patent number: 9046022
    Abstract: A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: June 2, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Philip Gerald Blakeman, Gavin Michael Brown, Sougato Chatterjee, Andrew Francis Chiffey, Jane Gast, Paul Richard Phillips, Raj Rao Rajaram, Glen Spreitzer, Andrew Peter Walker
  • Patent number: 9048333
    Abstract: A device includes a first package component, and a second package component underlying, and bonded to, the first package component. A molding material is disposed under the first package component and molded to the first and the second package components, wherein the molding material and the first package component form an interface. An isolation region includes a first edge, wherein the first edge of the isolation region contacts a first edge of the first package component and a first edge of the molding material. The isolation has a bottom lower than the interface.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: June 2, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Horng Chang, Tin-Hao Kuo, Tsung-Fu Tsai, Min-Feng Ku
  • Publication number: 20150148216
    Abstract: Spinels having a general formula of AB2O4, where A and B are a transition metal but not the same transition metal are disclosed. Spinel and spinel compositions of the application are useful in various applications and methods as further described.
    Type: Application
    Filed: September 30, 2014
    Publication date: May 28, 2015
    Inventors: Zahra Nazarpoor, Stephen J. Golden
  • Publication number: 20150148220
    Abstract: Process for manufacturing ZPGM catalysts systems that may allow the prevention of formation or the conversion of corrosion causing compounds, such as hexavalent chromium compounds, within ZPGM catalyst systems is disclosed. In one embodiment, disclosed ZPGM catalysts systems, may include metallic substrate, which may include alloys of iron and chromium, a washcoat and an overcoat. Disclosed manufacturing process may include a thermal decomposition of hexavalent chromium compounds which may allow the decomposition of such compounds into trivalent chromium compounds, and may also produce metallic catalyst, such as silver. Such conversion may prevent corrosion formation, such as red color corrosion within ZPGM catalyst system. An embodiment of the disclosed process may include a reducing agent, which may be present in exhaust conditions, which may convert hexavalent chromium compounds into trivalent chromium compounds as well as produce metallic catalyst, such as silver.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 28, 2015
    Applicant: CDTi
    Inventor: Zahra Nazarpoor
  • Publication number: 20150147260
    Abstract: The present invention relates to a catalyst for the thermochemical generation of hydrogen from water and/or the thermochemical generation of carbon monoxide from carbon dioxide comprising a solid solution of cerium dioxide and uranium dioxide.
    Type: Application
    Filed: July 24, 2013
    Publication date: May 28, 2015
    Applicant: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Hicham Idriss, Ibraheam Al-Shankiti, Yong Man Choi, Fasia Mohammed Al-Otaibi
  • Publication number: 20150148567
    Abstract: Disclosed herein are catalyst compositions useful in selective decomposition of organic oxygenates. A feed comprising an organic oxygenate may be contacted with a catalyst comprising (a) at least 0.1 wt % of an oxide of an element selected from Group 3 of the Periodic Table of Elements, wherein Group 3 includes the Lanthanide series; (b) at least 0.1 wt % of an oxide of an element selected from Group 6 of the Periodic Table of Elements; and (c) at least 0.1 wt % of an oxide of at least one element selected from Group 4 of the Periodic Table of Elements, wherein the wt % s are based upon the total combined weight of the oxides in (a) through (c) and excludes any other components.
    Type: Application
    Filed: August 29, 2012
    Publication date: May 28, 2015
    Applicant: ExxonMobil Chemical Patents Inc.
    Inventors: Kun Wang, Roberto Garcia, Charles Morris Smith, Doron Levin, James C. Vartuli