Food or edible material: processes – compositions – and products – Packaged or wrapped product – Having consumer oriented diverse utility
Patent
1975-02-07
1976-12-14
Weinstein, Steven L.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
Having consumer oriented diverse utility
206484, 229 43, 229DIG14, 426118, 426127, 426396, 426412, 428412, 428419, 428500, B65B 2522
Patent
active
039976777
ABSTRACT:
A package capable of withstanding prolonged exposure to temperatures in excess of 300.degree. F is formed from a composite film which includes a thermostable, thermoplastic layer and a polyolefin layer having a softening point below 300.degree. F. The package is hermetically sealed although it may include a weakened seal area which acts as a pressure relief valve, and may be employed as a serving dish as well as a heating container.
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patent: 3890448 (1975-06-01), Ito
Hirsch Arthur
Spiegel Francis X.
Standard Packaging Corporation
Weinstein Steven L.
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