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Microwavable susceptor and method of using same
| Details |
Inventors: Sheen, Shiowshuh; Moyer, John H.; Gagel, Simon;
Assignee: DCA Food Industries, Inc. (Garden City, NY)
Primary Examiner: Leung; Philip H.
Assistant Examiner:
Attorney, Agent or Firm: Amster, Rothstein & Ebenstein
A susceptor for use in the microwave cooking of food, includes a first plastic film, a second plastic film, and a semi-liquid lossy material disposed intermediate the first and second films. The lossy material includes glycerine, sucrose ester, and chloride salt, 25 grams of the lossy material in a 50 ml. glass beaker being heatable to at least 200.degree. C. within 40 seconds by 900 watts of microwave energy in a 1.1 cu. ft. oven. Preferably a layer of paper is sandwiched between the first and second films, the lossy material being absorbed on the paper layer. The susceptor is preferably biodegradable and edible. A method of microwave cooking includes the steps of providing an assembly of such a susceptor and the food to be microwave cooked, cooking the food in intimate contact with the susceptor in a microwave oven, and separating the microwave cooked food from the susceptor. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawing, and in particular to FIG.
1 thereof, therein illustrated is a susceptor according to the present invention, generally designated by the reference numeral 10.
The susceptor 10 comprises a first microwave-transparent plastic film 12, a second microwave-transparent plastic film 14, and a semi-liquid lossy material 16 disposed intermediate the first and second films 12, 14.
The lossy material 16 includes glycerine, sucrose ester, and chloride salt and is characterized by the property that 25 grams thereof in a 50 milliliter glass beaker is heatable to at least 200.
degree.
C.
within 40 seconds by 900 watts of microwave energy in a 1.
1 cubic foot oven.
The lossy material may be present intermediate the films 12, 14 by itself, or it may be absorbed on a paper layer 18 sandwiched between the first and second films 12, 14.
The peripheral edges 20 of the films 12, 14 are secured together in a conventional manner (for example, by heat sealing, sonic sealing, or the like) in order to provide a liquid-tight package about the lossy material 16.
The susceptor 10 may be in any convenient configuration suitable for household use, and this configuration may in turn depend upon the particular food to be cooked.
For example, it may be flat and serve as the top or lid of a frozen food package (e.
g.
, the type sold in supermarkets in a one- or two-serving size) or as a cooking tray.
Alternatively it may be box-like or cylindrical to substantially enclose the food to be cooked.
Clearly, the configuration may be anywhere between these two extremes--for example, a hemisphere which surrounds half of a spherical item of food.
Typically the films 12, 14 are each about 0.
01-0.
10 millimeters thick, preferably 0.
02-0.
05 mm.
, while the thickness of the lossy material 16 therebetween is 0.
1-5.
0 mm.
, preferably 0.
5-2.
0 mm.
Where present, the paper layer 18 preferably has a thickness of about 0.
2-2.
0 mm.
Clearly, thicker or thinner films, materials and layers may also be used, if desired
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