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. 21, 2006
Filed:
Nov. 13, 2002
Xinghua Liu, Murrysville, PA (US);
Siba P. Ray, Murrysville, PA (US);
Alfred F. Lacamera, Trafford, PA (US);
Douglas A. Weirauch, Murrysville, PA (US);
Mark L. Weaver, Greenwell Springs, LA (US);
Robert A. Dimilia, Greenburg, PA (US);
Kirk J. Malmquist, East Wenatchee, WA (US);
Frankie E. Phelps, Apollo, PA (US);
Joseph M. Dynys, New Kensington, PA (US);
Xinghua Liu, Murrysville, PA (US);
Siba P. Ray, Murrysville, PA (US);
Alfred F. LaCamera, Trafford, PA (US);
Douglas A. Weirauch, Murrysville, PA (US);
Mark L. Weaver, Greenwell Springs, LA (US);
Robert A. DiMilia, Greenburg, PA (US);
Kirk J. Malmquist, East Wenatchee, WA (US);
Frankie E. Phelps, Apollo, PA (US);
Joseph M. Dynys, New Kensington, PA (US);
Alcoa Inc., Pittsburgh, PA (US);
Abstract
An inert anodefor use in an electrolytic cellfor producing metals such as aluminum, is made by providing chemical source materialssuch as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a solution or a slurryfollowed by adding a baseand adjusting the pH so that a gelis formed which is dried and calcinedto provide a blend of metal oxide powderwhich can be pressed and sinteredto form an inert anode