US Patent Issued to ProAmpac Holdings on April 22 for "Multiwall paper packaging structures" (Ohio, Missouri, Tennessee Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,916, issued on April 22, was assigned to ProAmpac Holdings Inc. (Cincinnati).

"Multiwall paper packaging structures" was invented by Raymond J. Recchia (Cincinnati), Russell A. Leeker (Fenton, Mo.), 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 packaging article includes an outer, intermediate, and inner paper plies. A first adhesive layer is disposed between the inner and intermediate paper plies for gluing the inner paper ply to the intermediate paper ply. A second adhesive layer is di...