Patent ID: 7235306
Filing Date: 2007-06-26
Classification: B32B,D21H,Y10T

Abstract:
1. A barrier laminate comprising: a paperboard substrate having a first surface and a second surface, the second surface being opposite the first surface, said second surface being adjacent a plurality of extruded polymer layers; a first layer selected from one of said plurality of extruded polymer layers and further comprising a heat sealable layer of a polyolefin and containing between about 20% to about 35% of an essential oil scalping reducer comprising an inorganic additive; a second layer selected from one of said plurality of extruded polymer layers and comprising a first water vapor barrier layer and having an effective amount of a water vapor transmission rate reducing inorganic additive; and, a third layer selected from one of said plurality of extruded polymer layers, and comprising a second water vapor barrier layer comprising an effective water vapor transmission rate reducing amount of an inorganic additive.