Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideki Goto0
Shigeyoshi Taniguchi0
Makoto Horiuchi0
Date of Patent
January 9, 2007
0Patent Application Number
102209140
Date Filed
January 10, 2002
0Patent Primary Examiner
Patent abstract
A catalyst for purifying NOx is provided which efficiently decomposes and purify the NOx in an exhaust gas in an oxygen-excess atmosphere, excels in resistance to heat and in durability in a high temperature range under a high-temperature oxidizing atmosphere and in the presence of moisture and SOx, and manifests the catalytic activity over a wide range of temperature. It is a catalyst for purifying nitrogen oxides formed by coating (A) a catalytically active component comprising (A-a) iridium and (A-b) at least one element selected from the group consisting of the elements of Group IIIA and Group IVA in the Periodic Table of the Elements with (B) a refractory inorganic compound.
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