Abstract: A transparent, flexible, heat sealable, water vapor barrier laminate, for use in forming a protective package, which is formed from three layers secured to each other by separate layers of laminating adhesive. One outer layer is a protective material consisting of a polyester film; the center layer is a barrier material consisting of a fluid compression rolled, monoaxially molecuarly oriented, high density polyethylene film; and the other outer layer is another protective material consisting of an ionomer film.

Abstract: Oriented composite polyester films, to which a wide variety of final application topcoatings are improvedly adherent, e.g., matte, photosensitive and magnetic topcoatings, comprise an oriented base film substrate (A) of a crystalline or semicrystalline polyester, the base film substrate (A) bearing an adhesion primer coating (B) on at least one of the face surfaces thereof, and the adhesion primer coating (B) comprising:(a) a crystalline, semicrystalline or crystallizable polyester;(b) a water-sensitive copolyster; and(c) an organic solvent-sensitive polyester or copolyester.

Abstract: The present invention relates to an improved container for food and non-food products. The container utilizes a novel paperboard barrier laminate structure which maintains an isolated gas environment in the container. The laminate makes use of high strength, heat-resistant and caulking polymer layers which prevent pinholes, cuts, or cracking of the barrier layers during blank conversion, package formation, and package distrubution. In addition, the novel polymer resin layers act to caulk the seams and channels present in the carton providing a sealed leak free container.

Abstract: A polymer seal and method of making same consisting of a combination of pre-polymers cured and bonded together to form a single multi-layered seal of varying hardness with at least one pre-polymer being a polyester-based pre-polymer and at least one pre-polymer being a polyether-based pre-polymer. The different pre-polymers, upon curing, yield 80 to 90 shore A and 80 to 90 shore D hardness urethanes respectively.