US Patent Issued to WestRock MWV on Sept. 29 for "Thermoformable ovenable recyclable coated cellulosic board, ovenable recyclable coated cellulosic board food vessels thermoformed therefrom, and methods for manufacturing and using thereof" (Virginia Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,540, issued on Sept. 29, was assigned to WestRock MWV LLC (Atlanta).

"Thermoformable ovenable recyclable coated cellulosic board, ovenable recyclable coated cellulosic board food vessels thermoformed therefrom, and methods for manufacturing and using thereof" was invented by Barry G. Calvert (Covington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a thermoformable ovenable coated cellulosic board includes emulsion coating an aqueous-based polymer-emulsion basecoat on a first major side of a cellulosic board substrate and emulsion coating an aqueous-based polymer-emulsion barrier topcoat on the aqueous-based polymer-...