Patent ReferencesMulti-layer barrier film Heat sealable barrier material for improved juice packaging (EVOH) Non-foil composite structures for packaging juice Composite polyethylene barrier structure Oxygen impermeable leak free container Flavor/fragrance enhanced composite structures Carton blank, especially for use in containers for food products Barrier materials useful for packaging Oxygen and flavor barrier laminate for liquid packaging Laminated packing material with gas and aroma barrier properties InventorApplicationNo. 286426 filed on 08/05/1994US Classes:428/213, Thickness (relative or absolute)428/34.2, Paper containing (e.g., paperboard, cardboard, fiberboard, etc.)428/35.4, Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit428/35.9, Three or more layers (continuous layer)428/36.7, Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers (continuous layer)428/220, Physical dimension specified428/464, Next to cellulosic428/476.1, Polymer of monoethylenically unsaturated hydrocarbon428/481, Next to cellulosic428/483, Next to addition polymer from unsaturated monomers428/513, Monoethylenically unsaturated428/514, Ester, halide or nitrile of addition polymer428/518, Next to vinyl or vinylidene chloride polymer428/520, Ester, halide or nitrile of addition polymer428/698, Carbide-, nitride-, or sulfide-containing layer428/702O-containingExaminersPrimary: Robinson, Ellis P.Assistant: Dye, Rena L. Attorney, Agent or FirmForeign Patent References
International ClassesB32B 027/08B32B 027/10 B32B 027/30 B32B 007/06 36.6 36.7 35.7 35.4 35.9 213 698 537.5 Foreign Application Priority Data1991-09-04 JPAbstractA laminated material for packaging containers comprising polyvinyl alcohol or other water-soluble, thermoplastic resin layers disposed on both sides of a paperboard base material layer and other thermoplastic synthetic resin layers laminated thereon. An aluminum foil layer 5 may be provided over a polyolefin adhesive resin layer. The paper pulp can be readily separated from the polyethylene and other thermoplastic synthetic resins during the recycling process.Field of SearchPaper containing (e.g., paperboard, cardboard, fiberboard, etc.)Next to vinyl or vinylidene chloride polymer Ester, halide or nitrile of addition polymer Paper or wood Monoethylenically unsaturated O-containing Ester, halide or nitrile of addition polymer Absolute thicknesses specified Next to cellulosic Next to addition polymer from unsaturated monomers Next to addition polymer from unsaturated monomer(s) Polymer of monoethylenically unsaturated hydrocarbon Next to addition polymer from unsaturated monomer(s) Next to cellulosic Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.) Next to addition polymer from unsaturated monomers Physical dimension specified | |