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. 30, 1978
Filed:
Aug. 06, 1976
Applicant:
Inventor:
Wilhelm Rohde, Munich, DT;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 33 ; 55 62 ; 55 74 ; 62 13 ;
Abstract
In a process for the low-temperature separation of air into dry product gases wherein at least a portion of the entering air is cooled by indirect heat exchange in a heat exchanger against at least one of the product gases and is freed of impurities by an adsorption process prior to this heat exchange, the improvement which comprises freeing the air of substantially only H.sub.2 O in the adsorption process and periodically interchanging the flow paths for the air and for the product gas, respectively, in the heat-exchanger.