Process for Coating Metallic Surfaces With an Anti-Corrosive Coating
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United States of America Patent
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Issued Date -
Dec 11, 2008
app pub date -
Aug 1, 2005
filing date -
Aug 3, 2004
priority date (Note) -
Abandoned
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Abstract
A process is disclosed for coating metallic surfaces with an anti-corrosive composition that contains a conductive polymer and is a dispersion that contains the at least one conductive polymer mainly or entirely in particulate form, as well as a binder system. The conductive polymer is at least one polymer based on polyphenylene, polyfuran, polyimidazole, polyphenanthrene, polypyrrole, polythiophene and/or polythiophenylene charged with anti-corrosive mobile anions. Alternatively, the metallic surfaces can be first coated with a dispersion based on conductive polymers in particulate form, then coated with a composition which contains a binder system.
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