ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,973, issued on Nov. 11, was assigned to SWIMC LLC (Cleveland).
"Packaging coating containing water-dispersible acrylic block copolymer" was invented by Joseph D. DeSousa (Pittsburgh), Zhilian Zhou (Sewickley, Pa.) and Kailas B. Sawant (Mars, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A food or beverage container having a body portion or an end portion that includes a metal substrate with a coating composition disposed thereon. The coating composition includes a water-dispersible acrylic linear block copolymer made by surfactant-free heterogeneous radical polymerization ("SFHRP"). The block copolymer imparts a desirable combination of flexibi...