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:
Nov. 05, 1991
Filed:
Apr. 23, 1990
Applicant:
Inventors:
Paul S Leondaridis, Paris, FR;
William A Von Drasek, Burbank, IL (US);
Gregory M Jursich, Clarendon Hills, IL (US);
Assignee:
American Air Liquide, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; B01D / ;
U.S. Cl.
CPC ...
423241 ; 55 71 ; 423240 ;
Abstract
Low-level fluorine concentrations are removed from gases by conducting a gas stream containing fluorine over an alumina treated with chromium oxide material, thereby effectively eliminating fluorine from the gas while preventing the formation of toxic oxygen difluoride by-product.
Quick Actions:
Leondaridis, Paul. (1991). Enhanced performance of alumina for the removal of low-level fluorine (U.S. Patent No. 5063035). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5063035
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile