Multi-layer highly moisture and gas permeable packaging film

Details Multi-layer highly moisture and gas permeable packaging film Multi-layer highly moisture and gas permeable packaging film

1987-07-13

1990-01-30

Bascomb, Wilbur

Food or edible material: processes, compositions, and products

Packaged or wrapped product

Three or more layered packaging materials

426130, 426415, 428 348, 428516, 428517, 428518, B32B 2728, B65D 7500

Patent

active

048972746

ABSTRACT:
A multi-layer highly moisture and gas permeable packaging film comprising a core layer of a butadiene-styrene copolymer with a styrene content of 60 to 80% by weight and at least two outer layers having heat sealable and gas permeability properties.

REFERENCES:
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patent: 3205077 (1965-09-01), Hammond
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patent: 4058647 (1977-11-01), Inoue et al.
patent: 4276340 (1981-06-01), Leiris
patent: 4292355 (1981-09-01), Bonis
patent: 4440824 (1984-08-01), Bonis
patent: 4699846 (1987-10-01), Ohya et al.
patent: 4719153 (1988-01-01), Akasawa et al.

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