Patents Assigned to Johnson Matthey
  • Patent number: 11883805
    Abstract: A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted small-pore zeolite comprising: i) Ce and/or La in a total amount of about 5 to about 400 g/ft3; and ii) Nd and/or Nb in a total amount of about 5 to about 400 g/ft3.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: January 30, 2024
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Daniel Avis, Yannick Bidal, Alexander Nicholas Michael Green, Neil Greenham, Matthew Eben Harris
  • Patent number: 11873994
    Abstract: The present disclosure is directed to a system comprising a recuperated gas turbine engine with a catalytic combustor, and methods of operating the same, the catalytic combustor comprising: (a) an upstream section comprising an electrical heater and (b) a downstream catalyst section, wherein the upstream section and the downstream catalyst section are disposed adjacent to and in fluid communication with one another.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: January 16, 2024
    Assignees: Johnson Matthey Public Limited Company, Delta Motorsport Limited
    Inventors: Nick Carpenter, Guy Chandler, Jeremy Gidney, Scott Herring, Chris Morgan, Timothy O'Connell, Mark Wilksch
  • Patent number: 11857925
    Abstract: A catalyst article including a substrate with an inlet side and an outlet side, a first zone and a second zone, where the first zone includes a passive NOx adsorber (PNA), and an ammonia slip catalyst (ASC) comprising a platinum group metal on a support and a first SCR catalyst; where the second zone includes a catalyst selected from the group consisting of a diesel oxidation catalyst (DOC) and a diesel exotherm catalyst (DEC); and where the first zone is located upstream of the second zone. The first zone may include a bottom layer with a blend of: (1) the platinum group metal on a support and (2) the first SCR catalyst; and a top layer with a second SCR catalyst, the top layer located over the bottom layer.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: January 2, 2024
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Joseph Fedeyko, Dongxia Liu, Jing Lu
  • Patent number: 11851394
    Abstract: A process for synthesising methanol comprising the steps of (i) forming a synthesis gas containing hydrogen, carbon monoxide and carbon dioxide from a hydrocarbon feedstock in a reforming unit; (ii) cooling the synthesis gas in one or more stages of heat exchange, and recovering process condensate from the cooled synthesis gas; (iii) passing a feed gas comprising the make-up gas to a methanol synthesis loop comprising one or more methanol synthesis reactors; (iv) recovering a product gas mixture containing methanol from the methanol synthesis loop, cooling the product gas mixture to below the dew point to condense crude methanol, and separating the crude methanol from an unreacted gas mixture; and (v) recycling a portion of the unreacted gas mixture to the methanol synthesis loop and recovering a portion of the unreacted gas mixture as a purge gas stream.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: December 26, 2023
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Simon Robert Early
  • Patent number: 11851393
    Abstract: A process for synthesising methanol is described comprising the steps of (i) forming a synthesis gas containing hydrogen, carbon monoxide and carbon dioxide from a hydrocarbon feedstock in a reforming unit comprising a heat exchange reformer and autothermal reformer in series; (ii) cooling the synthesis gas in the heat exchange reformer and one or more further stages of heat exchange, and recovering process condensate from the cooled synthesis gas to form a make-up gas; (iii) passing a feed gas comprising the make-up gas to a methanol synthesis loop comprising one or more methanol synthesis reactors; (iv) recovering a product gas mixture containing methanol from the methanol synthesis loop, and separating the crude methanol from an unreacted gas mixture; and (v) recycling a portion of the unreacted gas mixture to the methanol synthesis loop and recovering a portion of the unreacted gas mixture as a purge gas stream.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: December 26, 2023
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Simon Robert Early
  • Patent number: 11845065
    Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the polyphenol comprising an ester functional group, the PGM comprising palladium; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: December 19, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Qinghe Zheng, Jing Lu, Michael Howard
  • Patent number: 11845063
    Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the PGM comprising rhodium and/or platinum, the polyphenol comprising an ester functional group; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: December 19, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Qinghe Zheng, Jing Lu, Michael Howard
  • Patent number: 11833500
    Abstract: An addition system for introducing particulate material into an industrial process is disclosed. The addition system comprises a vessel for holding the particulate material, wherein the vessel has a top and a bottom; one or more weighing devices; a controller for controlling operation of the addition system; a base plate to support the vessel and optionally the controller; and three or more legs, each leg having an uppermost section that connects to the vessel and a foot that is connected to the base plate. The widest diameter of the vessel is less than the diameter of a circle drawn through the feet of the legs. The one or more weighing device are mounted on the base plate and support the legs of the vessel.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: December 5, 2023
    Assignee: Johnson Matthey Process Technologies, Inc
    Inventors: Martin Evans, Ashim Mukerjee, Gary Pauley, Rahul Prasad
  • Patent number: 11833498
    Abstract: A withdrawal system for withdrawing particulate matter from a high-temperature unit of a high-temperature industrial process is disclosed. The withdrawal system comprises a material storage silo that comprises a vent line containing a first vent valve, one or more temperature sensors to measure temperature of the particulate matter in the material transfer line, and a controller that receives output measurements from the one or more temperature sensors to monitor and control flow of the particulate matter. The system does not contain a receiving vessel located in the material transfer line between the high-temperature unit and the material storage silo.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 5, 2023
    Assignee: Johnson Matthey Process Technologies, Inc
    Inventors: Martin Evans, Rick Fisher
  • Patent number: 11811073
    Abstract: The use of an electrocatalyst material in an anode catalyst layer, wherein the electrocatalyst material comprises a support material, the support material comprising a plurality of individual support particles or aggregates wherein each individual support particle or aggregate has dispersed thereon (i) first particles and (ii) second particles, wherein: (i) the first particles comprise Pt optionally alloyed with an alloying metal X1; wherein the optional alloying metal X1 is selected from the group consisting of Rh, Ti, Os, V, Co, Ni, Ga, Hf, Sn, Ir, Pd, Mo, Zn, W, Zr and Re; (ii) the second particles consist essentially of a second metal or a second metal compound wherein the second metal is selected from the group consisting of Ir and Ru and the second metal compound comprises IrX2 wherein X2 is selected from the group consisting of Ta, Nb, Ru, Ni and Co; and wherein if the first particles consist of Pt then the second particles do not comprise IrTa; and wherein if the first particles consist of Pt without
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: November 7, 2023
    Assignee: Johnson Matthey Hydrogen Technologies Limited
    Inventors: Alejandro Martinez Bonastre, Jonathan Sharman, Geoffrey Spikes
  • Patent number: 11794170
    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 comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first PGM component and a first inorganic oxide, wherein the IR intensity ratio of bridge CO to atop CO on the PGM component is less than 3:1 under standard CO adsorption procedure.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: October 24, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Yuan Jing, Shuhei Nagaoka, Ken-ichi Shimizu, Takashi Toyao
  • Patent number: 11786885
    Abstract: A method of manufacturing a catalyst article, the method comprising: providing a slurry comprising a support material, palladium ions, alkaline-earth-metal ions and an organic compound, wherein the organic compound comprises a functional group selected from a sulfo group (—SO3H), a sulfonyl group (—S(?O)2—) and a sulfinyl group (—S(?O)—); disposing the slurry on a substrate; and heating the slurry to form nanoparticles of the palladium and nanoparticles of a sulfate of the alkaline earth metal on the support material.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: October 17, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Daniel Peter DePuccio, Kevin Charles Kistler, Dongxia Liu
  • Patent number: 11788450
    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 comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component supported on a first PGM support material, wherein the first PGM component comprises rhodium (Rh) and platinum (Pt); and wherein Pt and Rh has a weight ratio of at least 1:10.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: October 17, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Paul Millington, Maria C. Vlachou
  • Patent number: 11764367
    Abstract: A catalyst layer comprising: (i) a platinum-containing electrocatalyst; (ii) oxygen evolution reaction electrocatalyst; (iii) one or more carbonaceous materials selected from the group consisting of graphite, nanofibres, nanotubes, nanographene platelets and low surface area, heat-treated carbon blacks wherein the one or more carbonaceous materials do not support the platinum-containing electrocatalyst; and (iv) proton-conducting polymer and its use in an electrochemical device is disclosed.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: September 19, 2023
    Assignee: Johnson Matthey Hydrogen Technologies Limited
    Inventors: Sarah Louise Burton, Angus John Dickinson, Julie O'Sullivan
  • Patent number: 11752478
    Abstract: A catalyst carrier for insertion in a reactor tube of a tubular reactor, said catalyst carrier comprising: a container for holding catalyst in use, said container having a bottom surface closing the container, and a top surface; a carrier outer wall extending from the bottom surface to the top surface; a seal extending from the container by a distance which extends beyond the carrier outer wall; said carrier outer wall having apertures located below the seal.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: September 12, 2023
    Assignee: Johnson Matthey Davy Technologies Linited
    Inventor: Julian Gray
  • Patent number: 11745173
    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 comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component and a first PGM support material, wherein the first catalytic region comprises up to 5 wt. % Sn.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: September 5, 2023
    Assignees: Johnson Matthey Public Limited Company, Johnson Matthey (Shanghai) Chemicals Limited
    Inventors: Hongyu Ji, Wataru Kurashige, Shuhei Nagaoka, Dongsheng Qiao, Zhou Shang, Xiaorui Zhang
  • Patent number: 11712685
    Abstract: The invention relates to a catalytic article comprising a substrate having an inlet and an outlet; a first coating comprising a blend of: (1) platinum on a support, and (2) a first SCR catalyst comprising a Cu- and Mn-exchanged molecular sieve; and a second coating comprising a second SCR catalyst; wherein the support comprises at least one of a zeolite or a SiO2-Al2O3 mixed oxide. The platinum may be fixed on the support in solution.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 1, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Yannick Bidal, Hai-Ying Chen, Joseph Fedeyko, Neil Greenham, Matthew Harris, Jing Lu
  • Patent number: 11666895
    Abstract: The invention includes an additive for maximizing production of olefins. The additive comprises a ZSM-5 molecular sieve, at least one inorganic oxide, and phosphorus oxide. The ZSM-5 molecular sieve has iron in the framework, and the additive comprises at least 0.5 weight percent iron, as measured as iron oxide, in the molecular sieve framework. The additive is useful for maximizing production of olefins in a FCC process.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: June 6, 2023
    Assignee: Johnson Matthey Process Technologies, Inc.
    Inventors: Mehdi Allahverdi, Paul Diddams, Charles Kanyi
  • Patent number: 11656212
    Abstract: The present invention relates to a method and system for measuring total chloride content in a process product stream. In particular, the present invention relates to a method of measuring hydrogen chloride and organochloride content, in situ, for a gaseous refinery process product stream. This method allows for measurement of hydrogen chloride and organochloride content in a single test method, which allows for optimised performance and maintenance schedules for chloride guard beds used within the refinery process.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: May 23, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Sravan Pappu, Michelle Taylor Wilson
  • Patent number: 11654425
    Abstract: A method of coating a substrate with a washcoat is disclosed. The method comprises engaging the substrate with a headset of a substrate coating apparatus so as to locate an upper surface of the substrate below a washcoat showerhead of the substrate coating apparatus; and discharging a washcoat out of the washcoat showerhead towards the upper surface of the substrate; and drawing the washcoat through the substrate by applying a suction force to a lower surface of the substrate.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: May 23, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Neil Burgess, Christopher Hayton, Craig Thomson