Patent ID: 8202612
Filing Date: 2012-06-19
Classification: B32B,Y02P,Y10T

Abstract:
1. A heat-sealable, peelable, coextruded composite polymeric film comprising a substrate layer of polymeric material having on a surface thereof a heat-sealable layer, wherein: (i) said heat-sealable layer comprises a copolyester of at least one aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid and one or more glycol(s) and the copolyester makes up at least 90% by weight of the total weight of the heat sealable layer; (ii) the thickness of said heat-sealable layer is in the range of from about 0.3 to about 3 μm; (iii) the heat-sealable layer comprises one or more wax(es); and