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. 06, 2002
Filed:
Nov. 30, 2001
Applicant:
Inventors:
Alain Guillard, Paris, FR;
Bernard Saulnier, Colombes, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J 3/02 ;
U.S. Cl.
CPC ...
F25J 3/02 ;
Abstract
A separation device which does not produce ultra-pure products. At least one distillation column which has a diameter of at least 4 m and/or is configured for operation at a pressure above 4.5 bar, consists of non-oxidizing steel or steel containing 9 to 10% by weight nickel. The separation device can be an air separation device.
Guillard, Alain. (2002). Device and method for separating substances by cryogenic distillation (U.S. Patent No. 6427485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6427485
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile