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Catalysts for lean burn engines

  • US 8,323,601 B2
  • Filed: 05/20/2010
  • Issued: 12/04/2012
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
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1. A method for the conversion of CO in an exhaust stream, comprising:

  • contacting an exhaust stream containing CO with a catalyst, the catalyst made from the addition of a Sn compound is a ternary composition comprising Sn, Ti and Zr, wherein the ternary composition comprises Sn(a)Ti(b)Zr(c)O2, wherein a is 0.25, b is 0.25 and c is 0.5.

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