Patent ID: 8394474

Claim:
An aseptic vertical form/fill/seal package comprises: a) a sterilized food product, and b) a sterilized vertical form/fill/seal pouch in which the sterilized food product is disposed, the sterilized pouch comprising a coextruded multilayer film comprising i) a core layer comprising ethylene vinyl alcohol co-polymer; ii) two intermediate layers each comprising a blend of (a) an amorphous polyamide having a glass transition temperature of at least 80° C., and (b) a semicrystalline polyamide; iii) two outer layers each comprising an olefinic polymer; and iv) two tie layers each adhering an intermediate layer to a respective outer layer; wherein the film exhibits (a) an elongation at yield (ASTM D 882) of less than 15% in each of the longitudinal and transverse directions, and (b) a free shrink (ASTM D 2732) at 200° F. of less than 8% in each of the longitudinal and transverse directions.