Patents Assigned to Johnson Matthey
  • Publication number: 20120107204
    Abstract: A catalyst comprising: (a) a first layer comprising an oxidizing catalyst having an effective PGM loading such that oxidation of hydrocarbons generates sufficient heat to regenerate soot, wherein said effective amount of PGM is greater than about 10 g/ft3; and (b) a second layer adjacent to said first layer and comprising a reducing catalyst to selectively reduce NOx.
    Type: Application
    Filed: September 15, 2011
    Publication date: May 3, 2012
    Applicant: Johnson Matthey
    Inventor: Julian Peter Cox