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. 11, 1997
Filed:
Jun. 25, 1996
Applicant:
Inventors:
Bernard Darredeau, Sartrouville, FR;
Daniel Gary, Montigny-le-Bretonneux, FR;
Christiane Muller, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62636 ; 62920 ; 62924 ;
Abstract
A process and apparatus for preparing a flow which is substantially purified with respect to at least one of the impurities O.sub.2 and CO, according to which: