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Corrosion protective coating for metallic materials

United States Patent

5,756,218
May 26, 1998
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
Corrosion protective coatings for metallic materials, particularly aluminum and aluminum alloys, produced with simple, low-cost equipment and materials other than toxic metals or metal salts, or metal cyanides. The metallic material is cleaned, degreased, and deoxidized, the surface is converted to a substantially alkaline condition, and the surface is chemically sealed with inorganic metal compounds.
Buchheit; Rudolph G. (Albuquerque, NM), Martinez; Michael A. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
08/ 781,784
January 9, 1997
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the United States Department of Energy. The Government has certain rights in the invention.