ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,501, issued on Nov. 3, was assigned to ProAmpac Holdings Inc. (Cincinnati).
"Multiwall paper-based packaging structures" was invented by Raymond J. Recchia (Cincinnati), Brian J. Schiermeier (White House, Tenn.), Seyed Hesamoddin Tabatabaei (Mason, Ohio), Robert M. Tiepelman (Cottontown, Tenn.) and Daniel T. Senter (Crestwood, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A paper-based packaging article includes outer and intermediate paper plies and an inner polymer film ply. A first adhesive layer is disposed between the inner and intermediate paper plies for gluing the inner polymer film ply to the intermediate paper ply. A second adhesive la...