Flexible packaging sheets and packages formed therefrom

Details Flexible packaging sheets and packages formed therefrom Flexible packaging sheets and packages formed therefrom

1988-03-28

1989-11-07

Bell, James J.

Flexible bags

Wall details

Multi-layer or ply

156265, 156269, 1562722, 1562751, 156292, 156324, 219 1055E, 383113, 426113, 428 343, 428 354, B65D 3002

Patent

active

048787655

ABSTRACT:
The invention provides a flexible packaging sheet including one or more supporting sheets and a base sheet to which is applied a microwave interactive material in the form of a coating or film. The microwave interactive material can comprise any of several elemental metals or oxides such as iron oxide or tin oxide or a thin semiconductive metallic film applied by vacuum electrodeposition. The supporting sheets comprise non-thermoplastic fibrous sheet material such as paper. The base sheet can comprise a plastic resinous material such as polyester.

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