US Patent 7481864 Conversion of Ta

Patent 7481864 was granted and assigned to Cabot Corporation on January, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Cabot Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74818640

Patent Inventor Names

Robert Mariani0

Date of Patent

January 27, 2009

Patent Application Number

110366540

Date Filed

January 14, 2005

Patent Primary Examiner

Roy King

Patent abstract

Processes for producing valve metal are described, in which valve metal oxide is converted to valve metal using a vapor-phase transport agent to form a gaseous valve metal species in the presence of a solid getter material. Also described is the valve metal so produced, and anodes prepared from the valve metal, as well as electrolytic capacitors using the anodes.

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