Transition metal incorporated alumina for improved three way catalysts
AssigneeJohnson Matthey Public Limited Company
InventorsShuhei NAGAOKA, YILIGUMA
Life of this patent
Estimating the term…
Abstract
Provided is a catalyst article comprising a substrate and a catalyst composition disposed on the substrate, the catalyst composition comprising a support material having supported thereon: one or more platinum group metals (PGMs); and a Ta-polyoxometalate (POM).
Claims20
A catalyst article comprising a substrate and a catalyst composition disposed on the substrate, the catalyst composition comprising a support material having supported thereon:
- one or more platinum group metals (PGMs);
- and
- a Ta-polyoxometalate (POM).
A catalyst article comprising a substrate and a catalyst composition disposed on the substrate, the catalyst composition comprising a support material having supported thereon:
- one or more platinum group metals (PGMs);
- and
- Ta2O5;
- wherein the catalyst composition is obtained or obtainable by a method comprising:
- providing a support material comprising one or more PGMs supported thereon;
- providing a solution comprising a Ta-POM;
- contacting the support material with the solution to provide a support material comprising the Ta-POM supported thereon;
- and
- calcining the support material comprising the Ta-POM supported thereon.
Dependencies are inferred from the claim text.