US Patent 7279206 Packaging laminates and articles made therefrom

Film laminates for packaging applications having at least two polymer layers which are formed together as a coextruded blown film such that the first polymer layer is a surface layer relative to the film and comprises a heat-sealable material having a melt index of at least 20 g/10 min. The first polymer layer of the coextruded film has a thickness A and the film has a total thickness B, such that the relative values of A and B satisfy the relationship A/B≧0.3. The present invention further provides food packages formed from these film laminates.