Compositions – Preservative agents – Anti-corrosion
Reexamination Certificate
2011-05-03
2011-05-03
Eashoo, Mark (Department: 1767)
Compositions
Preservative agents
Anti-corrosion
C252S389210, C106S014120, C106S014440, C106S287190
Reexamination Certificate
active
07935274
ABSTRACT:
Compositions for preparing coatings on metal substrates include a phosphonic acid, polyvinyl alcohol, an optional catalyst, and optionally an organo-functional silane. The catalyst may be a group IV-B compound, a boron compound, a vanadium compound, or a molybdenum compound. The compositions may be applied from an aqueous carrier to a metal surface and then dried to form a coating imparting good paint adhesion and corrosion resistance to the metal substrate.
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English machine translation of Kuepper et al., WO 9929927 A2, 1999.
Bulk Chemicals, Inc.
Eashoo Mark
Godenschwager Peter F
RatnerPrestia
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