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US Patent 7906091 Removal of laughing gas in nitric acid production

Patent 7906091 was granted and assigned to Uhde on March, 2011 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
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Uhde
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
79060910
Patent Inventor Names
Meinhard Schwefer0
Thomas Turek0
Rainer Maurer0
Date of Patent
March 15, 2011
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Patent Application Number
101811200
Date Filed
January 9, 2001
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Patent Citations Received
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US Patent 11987914 Activated porous fibers and products including same
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Patent Primary Examiner
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David M. Brunsman
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Patent abstract

A method and device for removal of N2O in nitric acid production are disclosed. The device is arranged after a heat exchanger, post ammonia burning, before the absorption tower and contains a catalyst, which essentially comprises one or several iron loaded zeolites.

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