Patents Assigned to Johnson Matthey Public Limited Company
  • 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: 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
  • 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
  • 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
  • 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: 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
  • 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
  • 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
  • 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: 11103858
    Abstract: A NOx absorber catalyst for treating an exhaust gas from a lean burn engine. The NOx absorber catalyst comprises a molecular sieve catalyst comprising a noble metal and a molecular sieve, wherein the molecular sieve contains the noble metal; an oxygen storage material for protecting the molecular sieve catalyst; and a substrate having an inlet end and an outlet end.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: August 31, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Andrew Francis Chiffey, Jack Corps, Laura Mitchell-Downie, Francois Moreau, Matthew O'Brien
  • 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: 11097944
    Abstract: A method is described for revamping an ammonia production facility said ammonia production facility having a front end comprising one or more reformers fed with a hydrocarbon feedstock at a hydrocarbon feed stock feed rate and a high-temperature shift reactor fed with a reformed gas obtained from said one or more reformers and containing a fixed bed of iron-containing water-gas shift catalyst, said front end operating at a first steam-to-carbon ratio and a first pressure drop, said method comprising the steps of (i) replacing the iron-containing water-gas shift catalyst with a low-steam water-gas shift catalyst to form a modified front end, (ii) operating the modified front end at a second steam-to-carbon ratio and a second pressure drop, wherein the second steam-to-carbon ratio is at least 0.2 less than the first steam-to-carbon ratio and the second pressure drop is less than the first pressure drop, and (iii) increasing the hydrocarbon feed stock feed rate to said one or more reformers.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 24, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: John David Pach, Colin William Park
  • Publication number: 20210246159
    Abstract: The present disclosure relates to a formic acid solvate of bardoxolone methyl and to a process for its preparation. The present disclosure also relates to pharmaceutical compositions comprising the formic acid solvate of bardoxolone methyl and to its use in a method for treating a disease.
    Type: Application
    Filed: February 9, 2021
    Publication date: August 12, 2021
    Applicant: Johnson Matthey Public Limited Company
    Inventor: Nicholas PASCHALIDES
  • Patent number: 11084019
    Abstract: The invention includes a reactor installation device comprising a flexible band, a first tab, a second tab, and a mechanical stop. The flexible band has a first end, a second end, a top edge and a bottom edge. The first tab is attached at or near the first end, the second tab is attached at or near the second end, and the both tabs are attached at or near the top edge of the flexible band. The mechanical stop is attached to the flexible band, the first tab, and/or the second tab, between the top edge and the bottom edge of the flexible band. The flexible band is capable of being bent into the shape of a circle by bringing the first and second tabs into contact. The invention also includes a method of inserting a skirt seal into a stackable structural reactor using the reactor installation device.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: August 10, 2021
    Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Jordan Boos, Michael Hepworth, Frank Podojil, Justin Ware
  • Patent number: 11045784
    Abstract: A particulate composition said composition comprises a metal carbonate and/or a metal bicarbonate and a compound of aluminium, characterised in that the weight ratio of metal carbonate plus metal bicarbonate compounds to said compound of aluminium is at least 3:1. The composition is useful for removing halogenated compounds from a hydrocarbon-containing process stream.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: June 29, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Jonathan Davis, Paul Rafferty, Elaine Margaret Vass
  • Patent number: 11035282
    Abstract: An exhaust purification system for the reduction of emissions from an exhaust stream, including an oxygen detection system; a catalyst; and an air injection system positioned between the oxygen detection system and the catalyst to inject air into the exhaust stream at designated exhaust conditions, to protect the catalyst from oxygen-deprived conditions.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 15, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Mark Schmale
  • Patent number: 11027265
    Abstract: A copper-CHA zeolite catalyst for SCR of NOx is disclosed.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: June 8, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Alejandra Rivas-Cardona, Joseph Michael Fedeyko, Hai-Ying Chen
  • Patent number: 11024844
    Abstract: An electrochemically active material includes an active phase that includes silicon, and at least one inactive phase having a Scherrer Grain Size of greater than 5 nanometers. Each inactive phase of the material having a Scherrer Grain Size of greater than 5 nanometers has a lattice mismatch to Li15Si4 of greater than 5%.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: June 1, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Xiaohua Ma, Mark N. Obrovac
  • Patent number: 11014811
    Abstract: A process is described for increasing the hydrogen content of a synthesis gas mixture comprising hydrogen, carbon oxides and steam, comprising the steps of: passing the synthesis gas mixture at an inlet temperature in the range 170-500° C. over a water-gas shift catalyst to form a hydrogen-enriched shifted gas mixture, wherein the water-gas shift catalyst is in the form of a cylindrical pellet having a length C and diameter D, wherein the surface of the cylindrical pellet has two or more flutes running along its length, said cylinder having no through-holes and domed ends of lengths A and B such that (A+B+C)/D is in the range 0.25 to 0.25, and (A+B)/C is in the range 0.03 to 0.30.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: May 25, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Matthew John Cousins, Michele Marigo, Nicola Campbell McKidd, William Maurice Sengelow
  • Patent number: 11007513
    Abstract: Provided are novel synthesis techniques for producing pure phase aluminosilicate zeolite and a catalyst comprising the phase pure zeolite in combination with a metal, and methods of using the same.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: May 18, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Joseph Fedeyko, Raul Lobo, Trong Pham