The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2014
Filed:
Apr. 01, 2013
Graphic Packaging International, Inc., Atlanta, GA (US);
Lorin R. Cole, Larsen, WI (US);
Timothy H. Bohrer, Chicago, IL (US);
Scott W. Middleton, Oshkosh, WI (US);
Richard G. Robison, Gray, TN (US);
Terrence P. Lafferty, Neenah, WI (US);
Brian R. O'Hagan, Appleton, WI (US);
Patrick H. Wnek, Sherwood, WI (US);
Graphic Packaging International, Inc., Atlanta, GA (US);
Abstract
A package with self-forming insulating walls includes a tray for supporting a food item, a flap joined to the tray along a fold line, and an insulating microwave material overlying at least a portion of the tray and at least a portion of the flap. The insulating microwave material may be joined to the flap. The insulating microwave material may include a microwave energy interactive material supported on a first polymer film layer, a moisture-containing layer joined to the microwave energy interactive material, and a second polymer film layer joined to the moisture-containing layer in a predetermined pattern, thereby defining a plurality of expandable cells between the moisture-containing layer and the second polymer film layer.