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:
Aug. 10, 1976
Filed:
Oct. 07, 1975
Applicant:
Inventor:
John Joseph Collins, Katonah, NY (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 58 ; 55 62 ; 55 68 ;
Abstract
In an adiabatic pressure swing process for air separation by selective adsorption in at least two zeolitic molecular sieve beds in which air is introduced at below 90.degree.F, the coldest gas temperature in the inlet end is 35.degree.F and the .DELTA.T at least 15.degree.F, the inlet end is heated to maintain the gas at maximum of at least 20.degree.F warmer than without heating, but below 175.degree.F.