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Oxygen storage material without rare earth metals

  • US 20150051067A1
  • Filed: 08/19/2013
  • Published: 02/19/2015
  • Est. Priority Date: 08/19/2013
  • Status: Abandoned Application
First Claim
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1. A catalyst system, comprising:

  • a substrate; and

    at least one oxygen storage material that is substantially free of platinum group metals;

    wherein the at least one oxygen storage material comprises at least one of CuMn2O4, Nb2O5

    ZrO2, and combinations thereof.

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