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:
Feb. 13, 2001
Filed:
Nov. 30, 1998
Applicant:
Inventors:
Robert J. Barnett, Goldendale, WA (US);
Michael B. Mezner, Sandy, OR (US);
Assignee:
Goldendale Aluminum Company, Goldendale, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 7/00 ; C22B 2/100 ; C01C 3/00 ; C01B 9/00 ;
U.S. Cl.
CPC ...
C01F 7/00 ; C22B 2/100 ; C01C 3/00 ; C01B 9/00 ;
Abstract
A method of recovering AlF,from spent potliner using an acid digest to form gaseous HF which is converted to hydrofluoric acid and reacted with alumina trihydrate to form AlF,.
Barnett, Robert. (2001). Recovery of alf3 from spent potliner (U.S. Patent No. 6187275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6187275
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile