Food or edible material: processes – compositions – and products – Packaged or wrapped product – Three or more layered packaging materials
Patent
1987-07-06
1989-03-14
Ball, Michael W.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
Three or more layered packaging materials
53172, 156243, 15624411, 2065242, 426106, 426415, 428349, 4284761, 428483, 428516, 428 354, B65D 3008, B32B 2708
Patent
active
048123196
ABSTRACT:
An improved package and method of packaging, including an oil-containing product, includes a multiple layer packaging sheet material which has reduced sensitivity to cockling. The multiple layer sheet material includes a layer which is susceptible to being swelled when in contact with oil, giving a cockled appearance. With reference to the package structure, the sheet material also includes a layer which impedes penetration of oil, the impeding layer being between the oil-containing product and the layer which is susceptible to being swelled when in contact with oil. The impeding layer comprises polypropylene.
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Hsu Joseph C.
Steen Robert A.
American National Can Company
Audet Paul R.
Ball Michael W.
Bokan Thomas
Wilhelm Thomas D.
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