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:
Aug. 22, 2000
Filed:
Dec. 30, 1998
Applicant:
Inventors:
Arun Acharya, East Amherst, NY (US);
Bayram Arman, Grand Island, NY (US);
Joseph Alfred Weber, Cheektowaga, NY (US);
Vijayaraghavan Srinivasan, Williamsville, NY (US);
Jeffert John Nowobilski, Orchard Park, NY (US);
James Smolarek, Boston, NY (US);
Neno Todorov Nenov, Williamsville, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62612 ; 62613 ; 62619 ;
Abstract
A method for more efficiently cooling and liquefying industrial gas wherein refrigeration for the cooling and liquefaction is generated using first and second defined multicomponent refrigerant fluids in separate refrigeration circuits to cover a wide temperature range from ambient to cryogenic temperature.