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:
Mar. 17, 2009
Filed:
Sep. 28, 2004
Applicants:
Claude Ritter, Coublevie, FR;
Benoît Sulmont, Chambéry, FR;
Inventors:
Claude Ritter, Coublevie, FR;
Benoît Sulmont, Chambéry, FR;
Assignee:
Aluminum Pechiney, Voreppe, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a method for controlling additions of powder materials into an electrolytic cell designed for the production of aluminium by fused bath electrolysis. The method according to the invention, which can easily be automated, can be used to maintain monitoring of operation of the feed even during anode effects.