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.

Date of Patent:
Oct. 18, 2022

Filed:

Sep. 28, 2020
Applicants:

Nicholas R. Stuckert, Grand Island, NY (US);

Neil A. Stephenson, E. Amherst, NY (US);

Philip A. Barrett, Tonawanda, NY (US);

Steven J. Pontonio, Eden, NY (US);

Inventors:

Nicholas R. Stuckert, Grand Island, NY (US);

Neil A. Stephenson, E. Amherst, NY (US);

Philip A. Barrett, Tonawanda, NY (US);

Steven J. Pontonio, Eden, NY (US);

Assignee:

PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/047 (2006.01); B01J 20/18 (2006.01); C07C 7/12 (2006.01); C10L 3/10 (2006.01); B01D 53/04 (2006.01);
U.S. Cl.
CPC ...
B01D 53/047 (2013.01); B01D 53/0423 (2013.01); B01J 20/18 (2013.01); B01J 20/186 (2013.01); C07C 7/12 (2013.01); C10L 3/105 (2013.01); B01D 2253/108 (2013.01); B01D 2256/10 (2013.01); B01D 2256/16 (2013.01); B01D 2256/245 (2013.01); B01D 2257/102 (2013.01); B01D 2257/104 (2013.01); B01D 2257/504 (2013.01); B01D 2259/404 (2013.01); B01D 2259/40011 (2013.01); B01D 2259/4062 (2013.01); C10L 2290/542 (2013.01);
Abstract

The present invention generally relates to a pressure swing adsorption process for separating an adsorbate impurity from a feed stream comprising product gas, said process comprising feeding the feed stream to an adsorbent bed at a pressure of from about 60 psig to 2000 psig, wherein said adsorbent bed comprises adsorbent having: The invention also related to an adsorbent useful in PSA separations, particularly separating Nfrom methane, COfrom methane Ofrom Nand the like.


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