Henkel AG & Co. KGaA has been awarded a patent for an anti-corrosion coating composition for a metal substrate comprised of no electrically conductive polymers and at least one non-electrically conductive film forming copolymer; a nitrogen containing functional group X, the group X is comprised of a pyridine, a dihydropyridine, a pyrrole, an imidazole, or mixtures thereof and wherein a positive amount to 100% of the functional group X is bound to the copolymer and crosslinks chains of the copolymer; and a metallate anion, the metallate anion capable of binding to a nitrogen in the functional group X by ion pairing.
Source:
http://www.coatingsworld.com/issues/0713/view_patents/henkel-patents-release-on-demand-corrosion-inhibitor-coating/
