Patent ID: 11925957
Assignee: THE SHERWIN-WILLIAMS COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 0:
1. A coated article made by a process comprising:
providing a metal substrate;
providing at least a first powder coating composition with flow of about 10 mm to 30 mm to a surface of the metal substrate at ambient temperature;
providing at least a second powder coating composition with flow of at least about 40 mm; and
heating the first powder coating and second powder coating composition in a single step to form a continuous cured coating on the metal substrate, thereby forming the coated article, wherein the cured coating consisting of the first powder coating and second powder coating is corrosion-resistant and has a surface smoothness on the Powder Coating Institute (PCI) scale of at least 4 and wherein the cured coating has edge coverage equal to at least 2% of face coverage, and wherein the second powder coating in the cured coating covers the entire first powder coating.