Coating solution for metal surfaces

Details Coating solution for metal surfaces Coating solution for metal surfaces

2008-11-03

2010-11-16

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

C106S014110, C106S014150, C106S014410, C106S014420, C148S243000, C148S247000, C427S387000, C428S457000

Reexamination Certificate

active

07833332

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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