US Patent Issued to Cryovac on July 28 for "Polypropylene copolymer based linear tear multi-layer film" (American, Italian Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,665, issued on July 28, was assigned to Cryovac LLC (Charlotte, N.C.).

"Polypropylene copolymer based linear tear multi-layer film" was invented by Ashley Cornell Wynne (Woodruff, S.C.) and Pasquale Campanelli (Limbiate, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A product packaging that exhibits good linear tear behavior. The product packaging being a multi-layer film having an inner layer made from a blend of ethylene copolymer and polypropylene copolymer. The inner layer of the multi-layer film being a substantial proportion of the thickness of the multi-layer film. The multi-layer film having linear tear behavior even when a force is a...