Absorbent microwave interactive packaging
First Claim
Patent Images
1. An absorbent construct comprising, in a layered configuration:
- a polymeric film;
a microwave energy interactive material comprising a layer of metal;
an absorbent layer capable of absorbing from about 0.5 to about 2.5 grams of exudate per gram of absorbent material; and
a liquid impervious material, wherein the absorbent construct includes a plurality of perforations extending through the polymeric film and the microwave energy interactive material.
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Abstract
Various constructs that absorb exudates and optionally enhance browning and crisping of a food item during heating in a microwave oven are provided.
226 Citations
20 Claims
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1. An absorbent construct comprising, in a layered configuration:
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a polymeric film;
a microwave energy interactive material comprising a layer of metal;
an absorbent layer capable of absorbing from about 0.5 to about 2.5 grams of exudate per gram of absorbent material; and
a liquid impervious material, wherein the absorbent construct includes a plurality of perforations extending through the polymeric film and the microwave energy interactive material. - View Dependent Claims (2, 3, 4)
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5. An absorbent structure comprising, in a layered configuration:
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an insulating microwave material including a plurality of expandable cells with unexpandable areas therebetween; and
an absorbent layer superposed with at least a portion of the insulating microwave material. - View Dependent Claims (6, 7)
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8. A package blank comprising:
a plurality of adjoining panels including a food-bearing panel, the food-bearing panel comprising;
a susceptor layer; and
an absorbent layer superposed with at least a portion of the susceptor layer. - View Dependent Claims (9, 10, 11)
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12. A microwave heating sleeve comprising:
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a food-bearing panel including a food-contacting layer, a microwave energy interactive layer, and an absorbent layer in a superposed configuration, wherein the food-contacting layer and the microwave energy interactive layer have at least one perforation therethough;
a first side panel and a second side panel joined to the food-bearing panel; and
a food-opposing panel joined to the first side panel and the second side panel, wherein the food-bearing panel, the first side panel, the second side panel, and the food-opposing panel define a cavity for receiving a food item therein. - View Dependent Claims (13, 14)
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15. An absorbent sheet comprising:
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a non-stick food-contacting surface comprising a silicone, a chrome complex, a wax, or any combination thereof; and
an absorbent layer comprising polyethylene terephthalate. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification