Patents Assigned to Johnson Matthey
  • Cold start catalyst and its use in exhaust systems
    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
  • Lean NOtrap catalyst
    Patent number: 11179706
    Abstract: A lean NOx trap catalyst and its use in an emission treatment system for internal combustion engines is disclosed. The lean NOx trap catalyst comprises a first layer for storing nitrogen oxides (NOx) under lean exhaust gas conditions and releasing and/or reducing stored NOx during rich exhaust gas conditions, and a second layer, said second layer comprising a first zone for oxidizing carbon monoxide (CO) and/or hydrocarbons (HC), and a second zone for oxidizing nitric oxide (NO), and a substrate having an inlet end and an outlet end.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: November 23, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Gregory Gregori, Paul Phillips, Julian Pritzwald-Stegmann, Stuart David Reid, Wolfgang Strehlau
  • Composite material
    Patent number: 11179707
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The silicate-containing scaffold can be a diatomaceous earth.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: November 23, 2021
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Juergen Bauer, Ralf Dotzel, Joerg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Frame elements for containing monoliths
    Patent number: 11181029
    Abstract: An element frame for holding monoliths containing catalysts in the flow of exhaust gases from a combustion source, the element frame comprising two pairs of opposing walls, wherein the walls form a rectangular or square shape, an interior formed by the walls, an inlet end, an outlet end, at least one locking element, at least one mat and at least one monolith comprising an inlet, an outlet, four sides and at least one catalyst effective in reducing the concentration of one or more gases in the exhaust gas, wherein the at least one mat and the at least one monolith being positioned in the interior of the element frame so that there is at least one mat between the monolith and each adjacent wall, each locking element extending across the inlet end or outlet end of the element frame and being connected to two opposite sides of the element frame.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 23, 2021
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Robert Kleuderlein, Dirk Reichert, Harald Scherbel
  • OXYGEN STORAGE AND RELEASE MATERIAL, CATALYST, EXHAUST GAS PURIFICATION SYSTEM, AND EXHAUST GAS TREATMENT METHOD
    Publication number: 20210355851
    Abstract: The problem to be solved by the present invention is to provide an oxygen storage and release material comprising a ceria-zirconia-based complex oxide improved in ability to remove HC and NOx and a three-way catalyst able to reduce an amount of NOx emission. Further, to solve this problem, an oxygen storage and release material comprising a ceria-zirconia-based complex oxide containing Gd2O3 in 0.1 mol % or more and less than 20 mol % and having an ion conductivity of 2×10?5 S/cm or more at 400° C. is provided. Further, in addition to the above, an oxygen storage and release material having a molar ratio of cerium and zirconium of 0.2 or more and 0.6 or less by cerium/(cerium+zirconium) and an speed of oxygen storage and release “?t50” of 20.0 seconds or more or amount of oxygen storage and release of 300 ?mol-O2/g or more etc. was obtained.
    Type: Application
    Filed: November 6, 2018
    Publication date: November 18, 2021
    Applicants: NIPPON DENKO CO., LTD., JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Keigo AIHARA, Tomoharu ITOH, Hirofumi KONNO, Shuhei NAGAOKA, Takashi YAMADA
  • Anode materials for lithium ion batteries and methods of making and using same
    Patent number: 11177471
    Abstract: An electrochemically active material includes a silicon alloy material having the formula: SiwM1xCyOz, where w, x, y, and z represent atomic % values and w+x+y+z=1; M1 comprises a transition metal; w>0; x>0; y?0; and z?0. The electrochemically active material also includes a metal-based material having the formula: M2aObAc, where a, b, and c represent atomic % values and a+b+c=1; M2 comprises a metal; A is an anion; a>0; b?0; and c?0.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: November 16, 2021
    Assignee: JOHNSON MATTHEY PUBLIC COMPANY LIMITED
    Inventor: Fuxia Sun
  • THREE-ZONE TWO-LAYER TWC CATALYST IN GASOLINE WASTE GAS APPLICATIONS
    Publication number: 20210346878
    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, an outlet end with an axial length L; an inlet catalyst layer beginning at the inlet end and extending for less than the axial length L, wherein the inlet catalyst layer comprises an inlet palladium component; an outlet catalyst layer beginning at the outlet end and extending for less than the axial length L, wherein the outlet catalyst layer comprises an outlet rhodium component; and wherein the outlet catalyst layer overlaps with the inlet catalyst layer.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 11, 2021
    Applicant: Johnson Matthey (Shanghai) Chemicals LTD.
    Inventors: Wenjie DONG, Hongyu JI, Dongsheng QIAO, Yaping WAN
  • Process for forming conductive track or coating
    Patent number: 11171251
    Abstract: The invention relates to a process for forming a conductive track or coating on a substrate, comprising: applying a conductive paste to the substrate, the conductive paste comprising a solids portion dispersed in an organic medium, the solids portion comprising particles of electrically conductive material and an inorganic particle mixture comprising substantially crystalline particles of two or more different metal compounds, wherein the inorganic particle mixture includes substantially crystalline particles of a tellurium compound and is substantially lead free; and firing the applied conductive paste on the surface of the substrate with a firing profile in which the temperature of the surface of the applied conductive paste exceeds 500° C. for a period of two minutes or less. The invention further relates to a substrate having a conductive track or coating formed thereon.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: November 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Beatriz Cela Greven, Jonathan Charles Shepley Booth, Nicholas Nowak, Simon Johnson, Tobias Droste
  • Diesel oxidation catalyst and exhaust system
    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
  • Braille terminal and module for a braille terminal
    Patent number: 11164480
    Abstract: A braille terminal (2) which extends in a transverse direction (6) and which has a plurality of cells (26), wherein each cell (26) has a plurality of pins (28) that can be felt by a user and are arranged in a plurality of columns (32) and a plurality of rows (30), and wherein the cell (26) is designed to represent an individual character, wherein a respective pin (28) can be actuated in each case individually by means of a piezoelectric bending transducer (54), and the piezoelectric bending transducers (54) are secured on a plurality of printed circuit boards (52) has a plurality of modules (4) which are juxtaposed in the transverse direction (6) and which each have a module housing (12), wherein a plurality of cells (26) are integrated in the module (4).
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 2, 2021
    Assignee: Johnson Matthey Piezo Products GmbH
    Inventors: Juergen Guenther, Stefan Klump, Daniel Kuegel, Martin Ruettel, Daniel Schneiderbanger
  • Process and reactor comprising a plurality of catalyst receptacles
    Patent number: 11161739
    Abstract: A reactor having a shell comprising one or more reactor tubes located within the shell, said reactor tube or tubes comprising a plurality of catalyst receptacles containing catalyst; means for providing a heat transfer fluid to the reactor shell such that the heat transfer fluid contacts the tube or tubes; an inlet for providing reactants to the reactor tubes; and an outlet for recovering products from the reactor tubes; wherein the plurality of catalyst receptacles containing catalyst within a tube comprises catalyst receptacles containing catalyst of at least two configurations.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 2, 2021
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Julian Stuart Gray
  • Catalyst layer
    Patent number: 11158867
    Abstract: A catalyst layer including: (i) a platinum-containing electrocatalyst; (ii) an 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) a proton-conducting polymer and its use in an electrochemical device are disclosed.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 26, 2021
    Assignee: Johnson Matthey Fuel Cells Limited
    Inventors: Sarah Louise Burton, Angus John Dickinson, Julie O'Sullivan
  • Catalyst article, method and use
    Patent number: 11141697
    Abstract: A three-way catalyst article is provided for the treatment of exhaust gas from a positive ignition engine, the catalyst article comprising: a substrate having a first layer provided thereon, wherein a second layer is provided on the first layer, wherein the first layer comprises a first metal and a first alumina, and wherein the second layer comprises a second metal and a second alumina, wherein either (i) the first metal is Pd and the second metal is Rh; or (ii) the first metal is Rh and the second metal is Pd; and wherein at least one of the first and second aluminas comprises theta alumina.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: October 12, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Eric Tyo
  • Forms of afatinib dimaleate
    Patent number: 11136314
    Abstract: The present disclosure is directed to a crystalline, hydrated form of afatinib dimaleate having about 2 to 3 molecules of water, designated as Form Z, a pharmaceutical composition comprising the form, its method of use for treating a patient, and process for its preparation.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: October 5, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Ronald Mueller
  • Tracer and method
    Patent number: 11136883
    Abstract: A tracer material for tracing fluid flows from a hydrocarbon reservoir. The tracer material is a particulate tracer material including a plurality of particles of a porous particulate solid material, the particles having pores containing a tracer composition characterised in that a retaining material overlies the tracer composition in at least some of the pores. The retaining material retards the release of the tracer material so that the tracer is released at a more constant rate over a longer period than in the absence of the retaining material.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: October 5, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Neil Borrell, Aidan David Brierley
  • Catalyst
    Patent number: 11139482
    Abstract: An electrocatalyst material comprising: (i) a support material comprising a plurality of individual support particles or aggregates; (ii) first particles comprising a first metal and an alloying metal; and (iii) second particles consisting of a second metal or a second metal oxide, wherein the second metal is platinum or iridium; wherein each individual support particle or aggregate has dispersed thereon first particles and second particles, characterised in that the mean average particle size of the second particles is smaller than the mean average particle size of the first particles is disclosed. The electrocatalyst material has particular use in an electrode, such as the cathode, of an electrochemical cell, such as a fuel cell.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: October 5, 2021
    Assignee: Johnson Matthey Fuel Cells Limited
    Inventors: Jonathan David Brereton Sharman, Alejandro Martinez Bonastre, Geoffrey Spikes
  • NOx adsorber catalyst
    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
  • Annular catalyst carrier container for use in a tubular reactor
    Patent number: 11110422
    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: April 14, 2020
    Date of Patent: September 7, 2021
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Julian Gray
  • Three-zone two-layer TWC catalyst in gasoline waste gas applications
    Patent number: 11110447
    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, an outlet end with an axial length L; an inlet catalyst layer beginning at the inlet end and extending for less than the axial length L, wherein the inlet catalyst layer comprises an inlet palladium component; an outlet catalyst layer beginning at the outlet end and extending for less than the axial length L, wherein the outlet catalyst layer comprises an outlet rhodium component; and wherein the outlet catalyst layer overlaps with the inlet catalyst layer.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: September 7, 2021
    Assignee: Johnson Matthey (Shanghai) Chemicals Co., Ltd.
    Inventors: Wenjie Dong, Hongyu Ji, Dongsheng Qiao, Yaping Wan
  • Catalyst with stable nitric oxide (NO) oxidation performance
    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