Highly absorbent open cell polymer foam and food package...

Details Highly absorbent open cell polymer foam and food package... Highly absorbent open cell polymer foam and food package...

2007-02-13

2007-02-13

Yu, Mickey (Department: 3728)

Special receptacle or package

With moisture absorbent

C206S557000, C426S124000, C426S129000, C428S036500

Reexamination Certificate

active

10744965

ABSTRACT:
A highly absorptive open cell foam having a ratio of cell size to pore size of between about 1 and about 10. A juice absorbing food package comprising a tray having a bottom bounded by an upwardly extending lip around the perimeter of the bottom and a liquid-absorbing pad comprised of polymer foam joined to the bottom of said tray, wherein the polymer foam is a highly absorptive open cell foam having a ratio of cell size to pore size of between about 1 and about 10. The tray of the juice-absorbing package may be overwrapped with gas permeable film, and may be provided with an oxygen absorbing substance therein. Alternatively, the overwrapped tray may be placed in a sealed barrier bag that is subsequently purged with a non-oxidizing gas such as carbon dioxide.

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