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:
Dec. 11, 2001
Filed:
Jun. 14, 2000
Applicant:
Inventors:
James Robert Dray, Buffalo, NY (US);
Scot Eric Jaynes, Lockport, NY (US);
Assignee:
Praxair Technology Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 1/00 ;
U.S. Cl.
CPC ...
F25J 1/00 ;
Abstract
A cryogenic rectification system comprising an upstream krypton/xenon knockout column and a downstream oxygen upgrader column wherein the knockout column processes a crude feed for removal of heavy components including hydrocarbons and the upgrader column produces ultra high purity oxygen.
Dray, James. (2001). Cryogenic rectification system for producing ultra high purity oxygen (U.S. Patent No. 6327873). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6327873
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile