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US Patent 11713705 Nitrous oxide removal catalysts for exhaust systems

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Patent attributes

Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Date of Patent

August 1, 2023

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Patent Application Number

174831350

Date Filed

September 23, 2021

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Patent Citations

US Patent 7799298 Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions

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US Patent 7871957 Catalyst support of mixed cerium zirconium titanium oxide, including use and method of making

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US Patent 7977276 Exhaust gas purifying catalyst and method of producing the same

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US Patent 8022010 NOx storage materials and traps resistant to thermal aging

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US Patent 8207078 Close coupled catalyst for purification of exhaust gas and the preparation thereof

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US Patent 7166263 Ceria-based mixed-metal oxide structure, including method of making and use

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US Patent 7341975 Exhaust gas purification catalytic material and method for fabricating the same

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US Patent 7612011 Ceria-based mixed-metal oxide structure, including method of making and use

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Patent Primary Examiner

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CPC Code

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A nitrous oxide (N

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