Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1986-08-29
1988-06-28
Kittle, J. E.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
229 31, 229176, 426106, 426127, 426398, 428481, 428483, 493 96, B65D 556, B65D 8500
Patent
active
047538325
ABSTRACT:
A barrier laminate for making containers and cartons that substantially resist the absorption of essential oils and flavoring components, e.g. peel oil, as well as the oxidation of 1-ascorbic acid (vitamin C) normally found in various beverages such as fruit and citrus juices. In a particularly preferred embodiment, the present laminate comprises a substrate material having a thin layer of PET-G (glycol-modified polyethylene terephthalate) bonded to the substrate's inner and outer surfaces, said PET-G layer becoming the beverage-contacting surface of containers made from such a laminate. In other particularly preferred embodiments, the barrier laminate also includes one or more intermediate layers of oxygen barrier materials between the laminate's substrate and beverage-contacting layer of PET-G. Also disclosed are methods of making such barrier laminates and containers therefrom.
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Brown Michael T.
Wnuk Andrew J.
Gorman John V.
Kittle J. E.
Linman E. Kelly
Ryberg John J.
Seidleck James J.
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