Steel Pre-Paint Treatment Composition
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United States of America Patent
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Issued Date -
Feb 13, 2014
app pub date -
Aug 7, 2012
filing date -
Aug 7, 2012
priority date (Note) -
Abandoned
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Abstract
An aqueous conversion coating composition for treating steel substrates to provide a conversion coating thereon. The conversion coating composition comprises a) a source of aluminum ions; b) hexafluorozirconic acid or its salts; c) at least one pH adjuster; and d) optionally, a surfactant. The conversion coating composition provides a corrosion resistant coating on the metal surface and improves the adhesion of subsequently applied layers.
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Cited Art Landscape
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