ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,014, issued on Feb. 10, was assigned to Cryovac LLC (Charlotte, N.C.).
"Sealable and easy opening polyester films" was invented by Enrico Toni (Fossombrone, Italy) and Romano Spigaroli (Legnano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a heat sealable coextruded multilayer polyester based lidding film that forms hermetic and easy opening seals onto polyester containers and its use in food packaging."
The patent was filed on Dec. 5, 2018, under Application No. 16/768,983.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&...