Patent ID: 8530372

Claim:
An oxygen storage material comprising a support including: ceria in the range of about 5% to about 95% by weight; zirconia in the range of about 5% to about 80% by weight; lanthana in the range of about 4% to about 12% by weight; one or more rare earth oxides in addition to ceria and lanthana, selected from praseodymia in the range of about 1% to about 5% by weight; yttria in the range of about 1% to about 10% by weight; neodymia in the range of about 1% to about 10% by weight; and the transition metal oxide is one or more of ferric oxide, cobalt oxide, nickel oxide, manganese oxide, silver oxide, gallium oxide, zinc oxide, gadolinium oxide, samarium oxide, indium oxide, gold oxide, tin oxide and bismuth oxide in the range of about 0.1% to about 10% by weight, wherein the transition metal oxide is surface dispersed on the support.