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. 31, 1985
Filed:
Nov. 30, 1984
Applicant:
Inventors:
Douglas V Stewart, Florence, AL (US);
Alton T Tabereaux, Sheffield, AL (US);
Assignee:
Reynolds Metals Company, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ;
U.S. Cl.
CPC ...
2042 / ; 501 90 ; 501 94 ; 501 95 ; 501 99 ; 501100 ; 501133 ; 501127 ; 501128 ;
Abstract
An improved alumina reduction cell is disclosed. Vapor barriers, formed from a castable refractory and a silicon carbide mortar protect the bottom and sidewall insulation material of the cell from attack by the corrosive materials contained within the cell.