Electric heating – Microwave heating – Cookware
Reexamination Certificate
2011-04-12
2011-04-12
Van, Quang T (Department: 3742)
Electric heating
Microwave heating
Cookware
C219S732000, C219S762000, C426S234000, C099SDIG014
Reexamination Certificate
active
07923669
ABSTRACT:
An insulating microwave packaging material (200) is formed by bonding a microwave interactive material substrate (205) that creates sensible heat upon exposure to microwave energy to a second substrate (210) along bond lines (212) arranged in a pattern to form closed cells (214). Upon impingement of the insulating microwave packaging material (200) by microwave energy in a microwave oven, the closed cells (214) expand to form insulating pockets (216). One side of the insulating pocket (216) bulges and lofts above the opposite side. When a food product is situated on the insulating microwave packaging material (200), the insulating pockets (216) insulate the food product from the microwave oven environment.
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European Search Report—EP10000693.
Cole Lorin R.
Lafferty Terrence P.
Middleton Scott W.
O'Hagan Brian R.
Robison Richard G.
Graphic Packaging International, Inc.
Van Quang T
Womble Carlyle Sandridge & Rice PLLC
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