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:
Oct. 26, 1993
Filed:
Feb. 13, 1992
Applicant:
Inventors:
Rakesh Agrawal, Allentown, PA (US);
Terrence F Yee, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 22 ; 62 24 ; 62 40 ;
Abstract
The present invention relates to an improvement for the production of argon from cyrogenic air separation processes. In particular, the improvement comprises satisfying a portion of the crude argon column condensing duty with refrigeration provided from the vaporization of a portion of the liquid oxygen from the bottom of the low pressure column.