Barrier laminates for containment of flavor, essential oils and vitamins
AssigneeChampion International Corporation
InventorsDavid S. Smiley, James F. Curtis
Life of this patent
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AssigneeChampion International Corporation
InventorsDavid S. Smiley, James F. Curtis
Estimating the term…
A laminate providing an effective barrier to migration of essential oils and flavorings and for retention of vitamin C, essential oils and flavor in a juice and cartons made therefrom, wherein the laminate comprises, from the outer surface to the inner surface contacting the juice: an outer polyethylene layer for heat sealing and graphics, a bleached sulfate paperboard substrate, a nylon barrier layer constituting a barrier for oxygen, a first tie layer of modified polyethylene acting as an adherent, another polyethylene layer acting as a heat seal layer and bonded to the nylon barrier layer by the first tie layer, a second tie layer acting as an adherent, and an inner skin layer, which contacts the contents of the carton, which is bonded to the polyethylene layer by the second tie layer, and which may be ethylene vinyl alcohol copolymer (EVOH), polyethylene terephthalate or nylon.
A barrier laminate comprising:
Dependencies are inferred from the claim text.