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:
May. 06, 2003
Filed:
Feb. 23, 2001
Applicant:
Inventors:
LeRoy E. D'Astolfo, Jr., Lower Burrell, PA (US);
Robert C. Moore, Knoxville, TN (US);
Assignee:
Alcoa Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 3/06 ; C25C 3/08 ; C25C 3/20 ;
U.S. Cl.
CPC ...
C25C 3/06 ; C25C 3/08 ; C25C 3/20 ;
Abstract
A method is provided for retrofitting conventional aluminum smelting cells with inert anode assemblies which replace the consumable carbon anodes of the cell. The inert anode assemblies are pre-heated prior to introduction into the operating cell. Insulation may be installed for reducing heat loss during operation of the retrofit cells.