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. 06, 1997
Filed:
Mar. 23, 1995
Applicant:
Inventor:
Yves Koeberle, le Perreux sur Marne, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62646 ; 62654 ;
Abstract
Process for the production of oxygen by cryogenic distillation of a supply mixture containing oxygen and nitrogen in a double column (5) comprising a medium pressure column (6) and a low pressure column (7), in which there is partially condensed at least one fraction of the supply mixture in a condenser (8) by vaporization of liquid oxygen from the base of the low pressure column (7), said partially condensed mixture is sent to the medium pressure column (6), all the oxygen destined to form the gaseous production being withdrawn in liquid phase from the base of the low pressure column (7), and brought to its utilization pressure.