Dual-ovenable, heat-sealable packaging tray

Details Dual-ovenable, heat-sealable packaging tray Dual-ovenable, heat-sealable packaging tray

2011-04-05

2011-04-05

Patterson, Marc A (Department: 1782)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S034100, C428S034200, C428S035900, C428S474400, C428S474700, C428S474900

Reexamination Certificate

active

07919161

ABSTRACT:
A dual-ovenable tray useful for supporting a food product. The tray comprises a sheet having first and second layers comprising one or more polyamides. The first layer of the sheet forms the tray inside surface. Where the first layer has a melting point, the second layer has a melting point of at least about 210° C. and at least 20° C. greater than the melting point of the first layer. Where the first layer has a glass transition temperature of less than about 120° C. measured at a 50% relative humidity, the second layer has a melting point of at least about 210° C.

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