Patent ID: 7413800
Filing Date: 2008-08-19
Classification: B32B,Y10T

Abstract:
1. A peelable sealable co-extruded film, comprising: i. a skin layer capable of heat sealing against a rim of a container, to itself, or to another film and adapted to be peeled therefrom and comprising a hot melt adhesive resin; ii. a core layer underlying said skin layer and comprising crystalline homopolymer or copolymer polyethylene terephthalate or blends thereof; and iii. a third layer underlying said skin layer and located between said skin layer and said core layer, said third layer comprising polyethylene terephthalate homopolymer with particulates wherein the size of the particulates is larger in diameter than the thickness of the skin layer and the third layer combined thus protruding through the skin layer to facilitate winding and handling of the film.