US Patent 11298685 Honeycomb catalytic converter
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Patent Number
112986850
Date of Patent
April 12, 2022
0Patent Application Number
168302720
Date Filed
March 26, 2020
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Patent Citations Received
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Patent Number
112986850
Date of Patent
April 12, 2022
0Patent Application Number
168302720
Date Filed
March 26, 2020
0Patent Citations
Patent Primary Examiner
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US Patent 11298685 Honeycomb catalytic converter
Article
The present invention provides a honeycomb catalytic converter including: a honeycomb structured body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween; and a noble metal supported on the honeycomb structured body, wherein the honeycomb structured body contains a ceria-zirconia composite oxide and alumina, and cerium on a surface of each partition wall has a lower concentration than cerium in a central portion of the partition wall in a thickness direction.
Infobox
Is a
Patent jurisdiction
Patent number
11298685
Date of patent
April 12, 2022
Patent application number
16830272
Date Filed
March 26, 2020
Patent citations
Patent primary examiner
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