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:
Mar. 31, 1992
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Michael J Lockett, Grand Island, NY (US);
Richard A Victor, Grand Island, NY (US);
Robert Zawierucha, East Aurora, NY (US);
Kenneth McIlroy, Williamsville, NY (US);
Scott L Cooper, Buffalo, NY (US);
Assignee:
Union Carbide Industrial Gases Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 24 ; 62 32 ; 62 36 ; 261 94 ;
Abstract
A cryogenic distillation system employing a multisection column wherein structure packing of different packing density is employed in at least two sections of the column.