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. 10, 1976
Filed:
Sep. 30, 1974
Applicant:
Inventor:
Hanspeter Alder, Flurlingen, CH;
Assignee:
Swiss Aluminium Ltd., Neuhausen am Rheinfall, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ; C25C / ;
U.S. Cl.
CPC ...
204 67 ; 204246 ; 204284 ;
Abstract
A process for the electrolysis of a molten charge in particular of aluminum oxide, in a cell which is fitted with one or more anodes whose working surfaces are of ceramic oxide material. The parts of the anode surface which are not protected from corrosive attack by means of a sufficiently high current density are subjected to a stream of oxidizing gas.