The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 1979
Filed:
May. 21, 1975
William G Matthews, Hartsdale, NY (US);
Herbert C Shaw, Mobile, AL (US);
Union Carbide Corporation, New York, NY (US);
Abstract
In the process for selectively adsorbing NO.sub.x from nitric acid plant acid absorber tower tail gas streams wherein the tailgas stream, comprising water vapor, oxygen, nitrogen and unreacted NO.sub.x is first dried by passage through a silica adsorbent mass and thereafter the NO.sub.x is selectively adsorbed in a zeolitic molecular sieve bed, the improvement which comprises utilizing as the molecular sieve adsorbent a zeolite Y composition having a high degree of ionic character coupled with a high degree of acid stability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile