Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 13, 2007
0Patent Application Number
115269650
Date Filed
September 26, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.
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