Non-foil composite structures for packaging juice

Details Non-foil composite structures for packaging juice Non-foil composite structures for packaging juice

1988-07-29

1989-02-07

Buffalow, Edith

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 82, B32B 3100

Patent

active

048029432

ABSTRACT:
The present invention relates to a non-foil composite barrier for an improved container for citrus juices and other liquids. The container utilizes a paperboard barrier laminate for the containment of essential oils and the prevention of losses of vitamin C. Also disclosed is a process of making the laminate. The laminate makes use of an inner barrier layer of a heat-sealable ethylene vinyl alcohol copolymer to enhance the barrier properties of the laminate.

REFERENCES:
patent: 3075868 (1963-01-01), Long
patent: 3448000 (1969-06-01), Paquin et al.
patent: 3640788 (1972-02-01), Flynn
patent: 4460425 (1984-07-01), Rauser
patent: 4656408 (1987-04-01), Redding
patent: 4747902 (1988-05-01), Saitoh

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