MICROWAVEABLE SHEET, AND PRODUCTION METHOD OF MICROWAVEABLE SHEET
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Dec 6, 2013
filing date -
Dec 11, 2012
priority date (Note) -
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Abstract
A microwaveable sheet (1) that prevents permeation of the oil and is superior in moisture permeability, and a production method thereof. The microwaveable sheet (1) has a paper substrate (2), a resin layer (3) laminated through applying a coating liquid of a resin composition on one face of the paper substrate (2), in which the resin layer (3) has a plurality of air holes (3a). The microwaveable sheet (1) preferably has a water vapor transmission rate of from 200 g/m2/24 hrs to 15,000 g/m2/24 hrs. The microwaveable sheet (1) may have air holes (3a) formed by applying a coating liquid on one face of the paper substrate (2) using a roll having an intaglio on the surface thereof, or may have air holes (3a) formed by applying a coating liquid on one face of the paper substrate (1) having a shape with fine irregularity.
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