Patent ID: 7790288

Claim:
A coated article comprising a metal substrate including a multi-layered coating on at least one surface thereof, said multi-layered coating comprising: a partially-cured or fully-cured layer of at least one of an epoxy resin and a fusion bonded epoxy, said partially-cured or fully-cured layer provided on at least one surface of said metal substrate, and an overcoat layer of a semi-interpenetrating polymer network (IPN) or full-interpenetrating polymer network (IPN), said overcoat layer provided on said partially-cured or fully-cured layer; wherein the semi-IPN comprises a cured epoxy resin and a polyolefin component that is linear and not crosslinked; wherein the full-IPN comprises a cured epoxy resin and a polyolefin component that is crosslinked; and wherein said metal substrate is selected from the group consisting of a pipe, a vessel, a conduit, a rod, a profile shaped article, and a tube.