Freezable/microwaveable packaging films

Details Freezable/microwaveable packaging films Freezable/microwaveable packaging films

2011-04-05

2011-04-05

Van, Quang T (Department: 3742)

Electric heating

Microwave heating

Cookware

C219S728000, C428S216000, C428S036600

Reexamination Certificate

active

07919738

ABSTRACT:
A multi-layer freezable/microwaveable film having both low temperature resistance and high temperature resistant to withstand subzero freezer storage temperatures and microwave cooking temperatures. The freezable/microwaveable film includes a three-layer coextruded film having a polypropylene/alpha-olefin copolymer inner, heat sealable layer, an adjacent polypropylene or high density polyethylene core layer, and an outer polyethylene skin layer adjacent the core layer opposite the heat sealable layer, and further includes an outer protective layer laminated to the outer skin layer.

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