ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,450, issued on July 1, was assigned to NOVAMONT S.P.A. (Novara, Italy).
"Packaging film" was invented by Catia Bastioli (Novara, Italy) and Sebastia Gesti' Garcia (Turin, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a film comprising at least one biodegradable layer (i) having an elastic modulus of more than 450 MPa, consisting of a mixture of polyhydroxyalkanoate constituting the continuous phase and aliphatic and/or aliphatic-aromatic polyester constituting the discontinuous phase, and at least one coating layer (ii) preferably capable of having barrier effects against gases and liquids. The surface of said ...