×

ZPGM Diesel Oxidation Catalyst Systems and Methods Thereof

  • US 20140334990A1
  • Filed: 05/29/2013
  • Published: 11/13/2014
  • Est. Priority Date: 05/10/2013
  • Status: Abandoned Application
First Claim
Patent Images

1. An apparatus for reducing emissions from an engine having associated therewith an exhaust system, comprising:

  • an exhaust source;

    a substrate;

    a washcoat suitable for deposition on the substrate, comprising at least one oxide solid further comprising at least one carrier metal oxide and at least one first ZPGM catalyst; and

    an impregnation layer, comprising at least one second ZPGM catalyst;

    wherein at least one of the first ZPGM catalyst and second ZPGM catalyst comprises at least one perovskite structured compound having the formula A1-xMxB3, wherein A is selected from the group consisting of at least one of yttrium, strontium, and combinations thereof, B is selected from the group consisting of at least one of transition metal, M is selected from the group consisting of at least one of silver, iron, copper, cerium, niobium, and combinations thereof, and x is between 0 and 1.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×