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. 10, 1992
Filed:
Aug. 12, 1991
Applicant:
Inventor:
Harry Cheung, Williamsville, NY (US);
Assignee:
Union Carbide Industrial Gases Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J / ; F25J / ;
U.S. Cl.
CPC ...
62 22 ; 62 18 ; 62 23 ; 62 24 ;
Abstract
A cryogenic rectification system comprising two cryogenic rectification plants wherein a fluid mixture comprising argon and nitrogen is withdrawn in a defined manner from the first plant and passed into the second plant such that argon production is enhanced to more than offset the additional separation power requirements.