US Patent Issued to Dai Nippon Printing on Oct. 14 for "Polyethylene film, laminate and package using the same" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,857, issued on Oct. 14, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Polyethylene film, laminate and package using the same" was invented by Yuya Takasugi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a polyethylene film and a laminate which can be used to produce a package having high heat resistance, strength and recycling suitability in place of a lamination film conventionally used in a package. The polyethylene film of the present invention is irradiated with an electron beam on its only one side, and comprises polyethylene and a crosslinking agent, in which the crosslink density of the polyethylene is differ...