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:
Jan. 27, 1998
Filed:
Jan. 22, 1997
Applicant:
Inventors:
Anish Mehta, Somerset, NJ (US);
Sidney Simon Stern, Highland Park, NJ (US);
Assignee:
The BOC Group, Inc., New Providence, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62650 ; 62908 ;
Abstract
A method and apparatus of separating air in which the air is rectified wig a single column nitrogen generator which produces a nitrogen stream which is expanded into a refrigerant stream and then taken as a medium pressure product. Oxygen enriched air can be taken as low pressure and medium pressure enriched air products. A stream of oxygen enriched air can be used to regenerate the pre-purification unit and also taken as a wet product.