Patent ID: 6531196
Filing Date: 2003-03-11
Classification: B65D,D21H,Y10T

Abstract:
A frozen food container made of a coated board, the container having the shape of a cup or tray, and the board consisting of a fiber board base of a weight from 130-500 g/m2 and one or more superimposed polymer-based coat layers, said layers comprising a barrier coat having a continuous fused polymer phase with talc particles embedded therein, wherein the talc particles constitute 30-75% of the total weight of the coat, said barrier coat lying on the inside of the container in contact with the food and constituting a barrier to liquid and gas transmission; and wherein the fiber board base has a middle layer of a blend of sulfate pulp and chemithermomechanical pulp and layers of sulfate pulp on both sides of the middle layer.