Multi-layer polymeric film for packaging ovenable meals

Details Multi-layer polymeric film for packaging ovenable meals Multi-layer polymeric film for packaging ovenable meals

2002-09-23

2010-11-02

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C206S484200, C426S106000, C426S113000, C426S126000, C426S127000, C426S243000, C428S034100, C428S035800

Reexamination Certificate

active

07824749

ABSTRACT:
A heat-sealable peelable multi-layer laminated polymeric film comprising a polymeric substrate layer having on one side thereof a polymeric heat-sealable peelable layer and having on the opposite side thereof a polymeric shrinkable layer, wherein said shrinkable layer has a degree of shrinkage in a first dimension of about 10-80% over the temperature range 55 to 100° C., a ratio of shrinkage at 100° C. said first dimension relative to a second, orthogonal dimension in the range of 1:1 to 10:1, and further comprising one or two intermediate layer(s) wherein an intermediate layer is disposed between the substrate layer and the shrinkable layer and/or between the substrate layer and the heat-sealable peelable layer, and one or more layer(s) of an electrically conductive material; and use thereof as packaging for ovenable meals or as a lid on an ovenable container wherein the packaging is self-peeling and self-venturing during a cooking cycle.

REFERENCES:
patent: 5039001 (1991-08-01), Kinigakis et al.
patent: 62134261 (1987-06-01), None
patent: 2248244 (1990-04-01), None
patent: WO 90/07853 (1990-06-01), None
patent: WO 97/49609 (1997-12-01), None
patent: WO 99/62982 (1999-12-01), None
patent: WO 01/54886 (2001-08-01), None

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