METHOD FOR PURIFYING EXHAUST GAS
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United States of America Patent
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app pub date -
May 22, 2014
filing date -
Mar 30, 2006
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Abandoned
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Abstract
Provided is a method for purifying exhaust gas discharged from an internal combustion engine of a vehicle, using an exhaust gas purifying catalyst including a composite oxide represented by the following general formula AO.x(B2-yCyO3-α), wherein A represents an element selected from monovalent elements, divalent elements and lanthanides; B represents a trivalent element; and C represents a noble metal; x represents an integer of 1; y represents an atomic ratio satisfying the following relation: 0
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