Patent ID: 8288000

Claim:
A coating composition comprising: (a) an adhesion promoting component, wherein the adhesion promoting component comprises at least one of a free acid, ester of a free acid, amide of a free acid, metal complex of a free acid, organophosphate, organoohosohonate, and phosphatized epoxy resin, and wherein the free acid is selected from the group consisting of tannic acid, gallic acid, phosphoric acid, phosphorous acid, citric acid, and malonic acid, and wherein the composition comprises 0.05 to 20 wt. % of the adhesion promoting component based on the total weight of the coating composition; (b) corrosion resisting particles comprising an inorganic oxide network comprising a molecular chain of two or more different inorganic materials chemically connected to each other through one or more oxygen atoms, wherein the two or more different inorganic materials comprise: (i) silicon; and (ii) at least one of zinc, zirconium, cerium, yttrium, manganese, magnesium, and calcium; and (c) a film forming resin, wherein the coating composition is non-aqueous.