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:
Nov. 22, 1983
Filed:
May. 25, 1982
Applicant:
Inventor:
Ravindra F Pahade, North Tonawanda, NY (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 13 ; 62 24 ; 62 28 ; 62 29 ; 62 31 ; 62 34 ; 62 39 ;
Abstract
An air separation process wherein shelf vapor is employed for reversing heat exchanger cold end temperature control and is subsequently divided into two streams, one of which is expanded to provide plant refrigeration and the other is recovered as high pressure nitrogen-rich gas.