Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 16, 2010
Patent Application Number
12263641
Date Filed
November 3, 2008
Patent Primary Examiner
Patent abstract
An aqueous metal treatment composition designed to improve adhesion and corrosion resistance of the metal surface includes an organofunctional silane in combination with a fluorozirconic or fluorotitanic acid, methanesulfonic acid and nitric acid. The methanesulfonic acid acts to reduce sludge formation. Preferably, the composition also includes a fluorosilicic acid which likewise reduces sludge and improves corrosion resistance.
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