Patents Assigned to Johnson Matthey
  • Patent number: 10974228
    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, a second layer, and a third layer.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: April 13, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Guy Richard Chandler, Gregory Richard Gregori, Paul Richard Phillips, Jonathan David Radcliffe, Stuart Reid
  • Patent number: 10974217
    Abstract: A device suitable for use as a distributor or collector in a radial-flow reaction vessel is described, comprising an open end and a plurality of rigid columnar portions, each columnar portion comprising a cylindrical outer screen formed from parallel spaced wires and a perforate inner screen fixed to the outer screen, said inner screen formed from a plurality of adjacent perforate support members that support the spaced wires, wherein the rigid columnar portions further comprise means for controlling a flow of a gaseous process fluid to or from the device. The device may be used in radial-flow vessels used in chemical processes such as methanol synthesis.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: April 13, 2021
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventors: Simon Robert Early, Simon Graham, Paul Wise
  • Patent number: 10975745
    Abstract: A NOx absorber catalyst for treating an exhaust gas from a diesel engine. The NOx absorber catalyst comprises a first NOx absorber material comprising a molecular sieve catalyst, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, and wherein the molecular sieve contains the noble metal; a second NOx absorber material comprising palladium (Pd) supported on an oxide of cerium; and a substrate having an inlet end and an outlet end.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 13, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Andrew Francis Chiffey, Jack Corps, Laura Mitchell-Downie, Francois Moreau, Matthew O'Brien
  • Publication number: 20210101139
    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: December 7, 2018
    Publication date: April 8, 2021
    Applicant: Johnson Matthey (Shanghai) Chemical LTD.
    Inventors: Wenjie DONG, Hongyu JI, Dongsheng QIAO, Yaping WAN
  • Patent number: 10968157
    Abstract: A process for purification of a crude product stream recovered from the production of acrylic acid by an aldolisation reaction is disclosed. The product stream comprises acrylic acid, formaldehyde, water, non-condensable vapours and optionally heavy by-products. The process comprises: providing the crude product stream in the vapour phase to a first separation column operated at a temperature and pressure to form an intermediate overhead stream comprising water, formaldehyde and methanol; and passing said intermediate overhead stream to a formaldehyde separation column operated at a temperature and pressure to enable a stream having a higher formaldehyde concentration than the formaldehyde concentration in the intermediate overhead stream to be formed and recovered from at or near the bottom of the formaldehyde separation column as a formaldehyde enriched stream.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 6, 2021
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventors: Robert Gallen, Michael William Marshall Tuck
  • Patent number: 10968244
    Abstract: The present invention provides a palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R18, R19, R20, R21, R22, R23 and R24, m, E and X are described in the specification. The invention also provides a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 6, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Patent number: 10961443
    Abstract: Oil field chemical delivery fluids containing a mixture of a base fluid and microcapsules having an oil field chemical contained within the microcapsule are described. Chemical groups in the outer surface of the microcapsules interact with the base fluid and promote the dispersibility of the microcapsules in the base fluid. Chemical groups in the outer surface of the microcapsules interact with the targeted areas of a hydrocarbon reservoir and promote the substantivity of the microcapsules to the targeted areas of the reservoir. The oil field chemical delivery fluids provide for the placement of microcapsules in a desired location within the well and/or reservoirs using properties such as the density of the microcapsules. Methods of making oil field chemical delivery fluids, systems containing oil field chemical delivery fluids, methods of fracturing rock in a reservoir and tracing the movement of fluid in a hydrocarbon reservoir using these fluids are described.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: March 30, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Chun-tian Zhao
  • Patent number: 10964967
    Abstract: A process for the recovery of a perfluorosulphonic acid ionomer from a component comprising a perfluorosulphonic acid ionomer is disclosed, the process comprising immersing the component comprising the perfluorosulphonic acid ionomer in a solvent comprising an aliphatic diol and heating. Also disclosed is the use of the recovered perfluorosulphonic acid ionomer, for example in to prepared a proton conducting membrane or a catalyst ink.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: March 30, 2021
    Assignee: Johnson Matthey Fuel Cells Limited
    Inventors: Robert Jeffrey Coleman, Thomas Robertson Ralph, Sam Haig, Natalia V. Plechkova
  • Patent number: 10946304
    Abstract: A process for the separation of an aldehyde and a second component from a feed stream (3a, 3b, 3c) comprising the aldehyde and the second component, said process comprising: providing the feed stream to one or both of a first separation vessel (1) operating at a first pressure and a second separation vessel (2) operating at a second pressure wherein said second pressure (2) is greater than said first pressure; operating said first separation vessel (1) and said second separation vessel (2) such that separation occurs; recovering an aldehyde product stream (4) from at or near the bottom of the first separation vessel (1), said aldehyde product stream (4) having a concentration of aldehyde which is higher than that in the feed stream (3a, 3b, 3c); recovering a second component stream (8) from at or near the top of the second separation vessel (2), said second component stream having a concentration of second component which is higher than in the feed stream (3a, 3b, 3c); removing a first recycle stream (5, 6) f
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: March 16, 2021
    Assignee: Johnson Matthey Davy Technologies Limited
    Inventor: Martin Lucas Smidt
  • Patent number: 10940466
    Abstract: A novel method for synthesizing AEI zeolites is provided which results in high overall relative yields on silica and the structure directing agent.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: John Leonello Casci, David Lang, Sanyuan Yang
  • Patent number: 10941154
    Abstract: A process for preparing oxycodone hydrochloride, said process comprising hydrogenating 14-hydroxycodeinone in an alcoholic solvent and hydrochloric acid to form oxycodone hydrochloride, wherein (a) the hydrogenation is carried out in the presence of a heterogeneous platinum group metal (PGM) catalyst and hydrogen gas, (b) the hydrogenation is carried out at one or more temperatures greater than ambient temperature in the presence of a hydrogenation catalyst and hydrogen gas, wherein the solution of 14-hydroxycodeinone and hydrochloric acid is heated to temperature before it is exposed to the hydrogen gas, (c) the oxycodone hydrochloride comprises 6a-oxycodol in an amount <about 0.300 area % as determined by HPLC, characterized in that (d) the pH of the solution of 14-hydroxycodeinone and hydrochloric acid is in the range of about ?2.5 to about ?4.5; (e) the process is carried out in one pot, and (f) the oxycodone hydrochloride precipitates out of the solution.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: March 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Paul Gauvreau
  • Patent number: 10938038
    Abstract: A method of operating a fuel cell having an anode, a cathode and a polymer electrolyte membrane disposed between the anode and the cathode, includes feeding the anode with an impure hydrogen stream having low levels of carbon monoxide up to 5 ppm, and wherein the anode includes an anode catalyst layer including a carbon monoxide tolerant catalyst material, wherein the catalyst material includes: (i) a binary alloy of PtX, wherein X is a metal selected from the group consisting of rhodium and osmium, and wherein the atomic percentage of platinum in the alloy is from 45 to 80 atomic % and the atomic percentage of X in the alloy is from 20 to 55 atomic %; and (ii) a support material on which the PtX alloy is dispersed; wherein the total loading of platinum group metals (PGM) in the anode catalyst layer is from 0.01 to 0.2 mgPGM/cm2.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: March 2, 2021
    Assignee: Johnson Matthey Fuel Cells Limited
    Inventors: Rachel Louise O'Malley, Enrico Petrucco
  • Patent number: 10927353
    Abstract: Use of a catalyst in a method of reducing a substrate, the method comprising contacting a substrate with a catalyst, optionally in the presence of a co-substrate, thereby to generate a reduced substrate. The catalyst is a polypeptide comprising an amino acid sequence having at least 70% identity to SEQ ID NO: 1, SEQ ID NO: 7 or SEQ ID NO: 9. In the method the substrate concentration is at least 50 mM.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: February 23, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Beatriz Dominguez, Ursula Schell, Christian Kratzer, Thomas Kalthoff
  • Patent number: 10926221
    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: March 29, 2018
    Date of Patent: February 23, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Joseph Michael Fedeyko, Dongxia Liu, Jing Lu
  • Patent number: 10927352
    Abstract: Use of a catalyst in a method of reducing a substrate, the method comprising contacting a substrate with a catalyst, optionally in the presence of a co-substrate, thereby to generate a reduced substrate. The catalyst is a polypeptide comprising an amino acid sequence having at least 70% identity to SEQ ID NO: 7. In some methods, the substrate concentration is at least 50 mM.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: February 23, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Beatriz Dominguez, Ursula Schell, Christian Kratzer, Thomas Kalthoff
  • Patent number: 10927292
    Abstract: Provided are compositions containing a mixture of microcapsules and a bulk polymer, where the microcapsules have an oil field chemical contained within the microcapsules. The microcapsules can be present in a variety of configurations. The microcapsules contain a core or a micro-matrix containing the oil field chemicals. The core or micro-matrix can be surrounded by one or more polymeric shells, where each shell contains at least one polymer that affects the release of the oil field chemical from the composition. The compositions provide for the sustained release of an oil field chemical into fluid in an oil field reservoir over long periods of time. Also provided are methods of making the compositions and articles containing the compositions, along with methods are of tracing the movement of fluid in a hydrocarbon reservoir using the compositions, and methods of providing for the sustained release of oil field chemicals.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: February 23, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Neil Borrell, Chun-tian Zhao
  • Patent number: 10926251
    Abstract: A selective catalytic reduction catalyst composition for converting oxides of nitrogen (NOx) in an exhaust gas using a nitrogenous reductant, which catalyst composition comprising a mixture of a first component and a second component, wherein the first component is the H-form of an aluminosilicate chabazite zeolite (CHA); or an admixture of the H-form of an aluminosilicate mordenite zeolite (MOR) and the H-form of an aluminosilicate chabazite zeolite (CHA); and the second component is a vanadium oxide supported on a metal oxide support, which is titania, silica-stabilized titania or a mixture of titania and silica-stabilized titania, wherein the weight ratio of the first component to the second component is 10:90 to 25:75.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 23, 2021
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Diana Biskupski, Joerg Muench, Irene Piras
  • Patent number: 10913057
    Abstract: The invention concerns particles which may include a catalytically active component, in the form of a three-dimensional ellipsoidal shape having three major axes at least two of which axes are of different lengths. Beds of such particles are useful for forming particle beds through which a fluid may flow.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: February 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Duncan Coupland, Sophie Winfield
  • Patent number: 10916770
    Abstract: An electrochemically active material includes silicon and a transition metal. At least 50 mole % of the transition metal is present in its elemental state, based on the total number of moles of transition metal elements present in the electrochemically active material. An electrochemically active material includes silicon and carbon. At least 50 mole % of the carbon is present in its elemental state, based on the total number of moles of carbon present in the electrochemically active material.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: February 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Mark N. Obrovac, Leyi Zhao, Vincent J. L. Chevrier
  • Patent number: 10913257
    Abstract: The present invention relates generally to components prepared by additive manufacturing (AM) methods, along with methods of preparing such components by AM. More especially, there is provided a process for the production of a component of an ignition device using an AM method by forming a layer of metal or alloy on a surface of a metal or alloy substrate; fusing the layer to the substrate; and repeating the addition of such layers upon one another to form a deposited metal or alloy attachment on the substrate.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: February 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Duncan Roy Coupland, Jonathan Edgar, Nelson To