Patent ID: 7165676
Filing Date: 2007-01-23
Classification: B65D

Abstract:
1. A heat seal blister package for an adversely moisture sensitive product, said blister package comprising: a paperboard substrate having a blister side and a back side, said paperboard substrate configured to support the product thereupon; a single coating applied to said blister side of said paperboard substrate to define a coated area, said coating including a carboxylated amine and having moisture vapor transmission baffler properties to reduce transmission of moisture through said paperboard substrate and having heat seal capabilities to make said coated area susceptible to a heat seal; and a plastic blister attached to said coated area of said paperboard substrate by a heat seal formed by said coating, said plastic blister and said coated area of said paperboard substrate cooperating to create an enclosed pocket, said enclosed pocket configured to house the product to prevent the product from being hydrated due to penetration of moisture through said paperboard substrate into said enclosed pocket from the surrounding environment.