Patents Assigned to Johnson Matthey Public Ltd. Co.
  • Catalytic reduction of NO
    Patent number: 9073010
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: July 7, 2015
    Assignees: Daimler AG, HJS Emission Technology GmbH & Co. KB, Johnson Matthey Public Ltd. CO
    Inventors: Anders Andreasson, Guy Richard Chandler, Claus Friedrich Goersmann, James Patrick Warren
  • CATALYTIC REDUCTION OF NOx
    Publication number: 20150010451
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst and methods for operating such a system are disclosed. Considerable improvements in NOx conversion and soot reduction are observed even at relatively low operating temperatures.
    Type: Application
    Filed: September 17, 2014
    Publication date: January 8, 2015
    Applicants: Daimler AG, HJS Emission Technology GmbH & Co. KG, Johnson Matthey Public Ltd. Co.
    Inventors: Anders ANDREASSON, Guy Richard Chandler, Claus Friedrich Goersmann, James Patrick Warren, Georg Hüthwohl
  • CATALYTIC REDUCTION OF NOx
    Publication number: 20150004068
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst and methods for operating such a system are disclosed. Considerable improvements in NOx conversion and soot reduction are observed even at relatively low operating temperatures.
    Type: Application
    Filed: September 17, 2014
    Publication date: January 1, 2015
    Applicants: Daimler AG, HJS Emission Technology GmbH & Co. KG, Johnson Matthey Public Ltd. Co.
    Inventors: Anders ANDREASSON, Guy Richard CHANDLER, Claus Friedrich GOERSMANN, James Patrick WARREN, Georg HÜTHWOHL
  • Catalytic reduction of NO
    Patent number: 8850802
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 7, 2014
    Assignees: Daimler AG, HJS Emission Technology GmbH & Co. KG, Johnson Matthey Public Ltd. Co.
    Inventors: Anders Andreasson, Guy Richard Chandler, Claus Fnednch Goersman, James Patrick Warren, Georg Huethwohl
  • CATALYTIC REDUCTION OF NOX
    Publication number: 20140271423
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.
    Type: Application
    Filed: April 11, 2014
    Publication date: September 18, 2014
    Applicants: Daimler AG, HJS Emission Technology GmbH & Co. KG., Johnson Matthey Public Ltd. Co.
    Inventors: Anders ANDREASSON, Guy Richard Chandler, Claus Friedrich Goersmann, James Patrick Warren
  • Catalytic reduction of NO
    Patent number: 8833062
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 16, 2014
    Assignees: Daimier AG, HJS Emission Technology GmbH & Co. KG, Johnson Matthey Public Ltd. Co.
    Inventors: Anders Andreasson, Guy Richard Chandler, Claus Friedrich Goersmann, James Patrick Warren, Georg Huethwohl
  • Catalytic reduction of NO
    Patent number: 8480986
    Abstract: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, tparticulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: July 9, 2013
    Assignees: Daimler AG, HJS Fahrezeutechnik GmbH & Co. KG, Johnson Matthey Public Ltd. Co.
    Inventors: Anders Andreasson, Guy Richard Chandler, Claus Friedrich Goersmann, James Patrick Warren, Georg Huethwohl