US Patent Issued to Borealis on Sept. 29 for "Combined washing/delamination process for multilayer film-containing recycling streams" (Austrian, Finnish, French Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,331, issued on Sept. 29, was assigned to Borealis AG (Vienna).

"Combined washing/delamination process for multilayer film-containing recycling streams" was invented by Peter Denifl (Linz, Austria), Kilian Piettre (Linz, Austria), Bernadette Duscher (Linz, Austria), Auli Nummila-Pakarinen (Kullo, Finland), Peter Niedersuss (Linz, Austria), Anthony Berthelier (Courbevoie, France) and Andreas Nagl (Linz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for achieving the simultaneous washing/delamination of multilayer films via treatment with an alkaline aqueous solution during a mechanical recycling process, thereby improving the yield ...