ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,534, issued on Aug. 26, was assigned to AMCOR FLEXIBLES NORTH AMERICA INC. (Neenah, Wis.).
"Heat resistant recycle-ready retort packaging" was invented by Helmar Utz (Koppigen, Switzerland), Roy Christopherson (Shrivenham, Great Britain), Sara Menghetti (Cecina, Italy), Florian Chapalain (Marcq-en-Baoeul, France) and Peter Ettridge (Worcester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laminated polypropylene-based film suitable for retort packaging having an exterior film, a barrier layer, and a sealing layer. The retort packaging film has a total composition including high levels of polyolefin-based polymers and polypropylene-b...