US Patent Issued to MuCell Extrusion on May 12 for "Lightweight thin polypropylene film for aseptic packaging applications and the product resulting therefrom and the process of making the same" (British, American Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,442, issued on May 12, was assigned to MuCell Extrusion LLC (Woburn, Mass.).

"Lightweight thin polypropylene film for aseptic packaging applications and the product resulting therefrom and the process of making the same" was invented by Mehdi Saniei (Belmont, Mass.) and David Stirling (Croydon Surrey, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layer foam film comprising polypropylene for direct and non-direct food contact and aseptic packaging application is disclosed. In an embodiment, the film has a bulk density of less than 0.962 gr/cm3 wherein more than 50% of the cells in the foam layer are closed cells. In an embodimen...