Corrosion-protection agent forming a layer of paint and method for current-free application thereof
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United States of America Patent
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Jul 2, 2013
Grant Date -
Aug 14, 2008
app pub date -
Apr 19, 2006
filing date -
May 23, 2005
priority date (Note) -
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Abstract
The invention relates to an aqueous coating material for metallic substrates, comprising a water-dispersible and/or water-soluble polymer P with covalently bonded ligands A, which form chelates with the metal ions released during the corrosion of the substrate and/or with the substrate surface, and having crosslinking functional groups B, which with themselves, with further complementary functional groups B′ of the polymer P and/or with further functional groups B and/or B′ are able to form covalent bonds to crosslinkers V.
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