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:
Feb. 28, 1984
Filed:
Dec. 08, 1981
Applicant:
Inventor:
Walter J Olszewski, Tonawanda, NY (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 22 ; 62 28 ; 62 29 ; 62 33 ; 62 34 ; 62 39 ; 62 42 ;
Abstract
A process and apparatus to economically produce argon in conjunction with an air separation plant designed originally to produce only oxygen wherein an auxiliary argon column is fed with a small stream from the main oxygen plant and is driven by an independent heat pump circuit.