US Patent Issued to Stora Enso on Aug. 25 for "Barrier paper or barrier film comprising highly refined pulp from fibers obtained from used beverage cartons" (Swedish, Finnish Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,173, issued on Aug. 25, was assigned to Stora Enso OYJ (Helsinki).

"Barrier paper or barrier film comprising highly refined pulp from fibers obtained from used beverage cartons" was invented by Carl-Henrik Ljungqvist (Karlstad, Sweden) and Kaj Backfolk (Lappeenranta, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a barrier paper or barrier film for a food or liquid packaging laminate, said barrier paper or barrier film comprising: a substrate layer comprising a highly refined cellulose composition comprising fibers obtained from used beverage cartons (UBC), and a polymeric gas barrier coating disposed on at l...