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1. (WO2001053167) MICROWAVE FOOD PACKAGE

Pub. No.:    WO/2001/053167    International Application No.:    PCT/US2001/000745
Publication Date: Fri Jul 27 01:59:59 CEST 2001 International Filing Date: Thu Jan 11 00:59:59 CET 2001
IPC: B65D 81/34
Applicants: GENERAL MILLS, INC.
JI, Hong
MONFORTON, Randal, J.
Inventors: JI, Hong
MONFORTON, Randal, J.
Title: MICROWAVE FOOD PACKAGE
Abstract:
Apparatus for and method of controlling heating of a foodstuff using microwave energy having a food package with a microwave shielding layer (30) containing a plurality of apertures (32) therein sized to permit entry of both evanescent microwave energy and propagating microwave energy into the interior of the package with the microwave shielding layer being moved outward as the package expands due to generation of water vapor such that an interior volume of the package is subsequently protected against substantial evanescent microwave irradiation of the foodstuff during completion of the microwave heating cycle using propagating microwave energy to further heat the foodstuff.