Composite polyethylene barrier structure

Details Composite polyethylene barrier structure Composite polyethylene barrier structure

1988-08-31

1990-08-14

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

426126, 426127, 428340, 428349, 428215, 428461, 428481, 428513, 428518, B65D 556, B32B 2308

Patent

active

049486403

ABSTRACT:
The present invention relates to an improved composite barrier laminate 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. The laminate makes use of an inner barrier layer of a heat-sealable oxygen and flavor oil barrier material to enhance the barrier properties of the laminate as well as an extremely thin low density polyethylene food contact layer to provide a resultant secure homogenous non-polar heat seal.

REFERENCES:
patent: 3972467 (1976-08-01), Whillock et al.
patent: 4300969 (1981-11-01), Frydendal
patent: 4513036 (1985-04-01), Thompson et al.
patent: 4537815 (1985-08-01), Wise et al.
patent: 4590126 (1986-05-01), Andersson
patent: 4698246 (1987-10-01), Gibbons et al.
patent: 4701360 (1987-10-01), Gibbons et al.
patent: 4789575 (1988-12-01), Gibbons et al.
patent: 4795665 (1989-01-01), Laniaster

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