| US 7,541,562 B2 | ||
| Microwave cooking packages and methods of making thereof | ||
| Lorin R. Cole, Larsen, Wis. (US); Timothy H. Bohrer, Chicago, Ill. (US); Scott W. Middleton, Oshkosh, Wis. (US); Richard G. Robison, Appleton, Wis. (US); Terrence P. Lafferty, Winneconne, Wis. (US); Brian R. O'Hagan, Appleton, Wis. (US); and Patrick H. Wnek, Sherwood, Wis. (US) | ||
| Assigned to Graphic Packaging International, Inc., Marietta, Ga. (US) | ||
| Filed on Oct. 04, 2007, as Appl. No. 11/906,845. | ||
| Application 11/906845 is a division of application No. 11/054633, filed on Feb. 09, 2005, granted, now 7,365,292. | ||
| Claims priority of provisional application 60/543364, filed on Feb. 09, 2004. | ||
| Prior Publication US 2008/0047958 A1, Feb. 28, 2008 | ||
| Int. Cl. H05B 6/80 (2006.01); B65D 81/18 (2006.01); B65D 81/34 (2006.01) | ||
| U.S. Cl. 219—730 [426/107; 426/109] | 33 Claims |
| 1. A self-sealing microwave package comprising:
a flexible sheet having a first side and a second side opposite the first side, the sheet having an activatable adhesive region
on at least one of the first side and the second side of the sheet, wherein the sheet includes
a susceptor film comprising a microwave energy interactive material supported on a first polymer film layer,
a moisture-containing layer superposed with the microwave energy interactive material, and
a second polymer film layer joined to the moisture-containing layer in a predetermined pattern, thereby forming at least one
closed cell between the moisture-containing layer and the second polymer film layer, wherein the moisture-containing layer
is positioned between the microwave energy interactive material and the second polymer film layer.
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