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:
Mar. 25, 2003
Filed:
Sep. 19, 2001
Applicant:
Inventors:
Benoit Davidian, Saint-Maur des Fosses, FR;
Francois De Bussy, Paris, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 ;
U.S. Cl.
CPC ...
F25J 3/00 ;
Abstract
In a plant for separating air which does not comprise an argon column, an intermediate-pressure column ( ) has a bottom reboiler ( ) which is heated by a gas ( ) coming from the low-pressure column ( ). The intermediate-pressure column is fed from the high-pressure column ( ). This makes it possible to reduce the energy consumption while improving the efficiency of the process.
Davidian, Benoit. (2003). Method for plant and separating air by cryogenic distillation (U.S. Patent No. 6536232). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6536232
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