Steam-generating heating sheet for the eyes
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United States of America Patent
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-
Nov 30, 2004
Grant Date -
Feb 26, 2004
app pub date -
Feb 5, 2003
filing date -
Aug 21, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An eye-use steam-generating heating sheet contains a steam-generating composition, which is covered with at least a first moisture-permeable sheet and a second moisture-permeable sheet in that order. The first moisture-permeable sheet has a moisture permeability of at least 600 g/m.sup.2 /24 hrs, the second moisture-permeable sheet has a moisture permeability has a moisture permeability of 700 to 3000 g/m.sup.2 /24 hrs, the first moisture-permeable sheet and the second moisture-permeable sheet are provided such that a steam accumulation space is formed therebetween, and at least one of the moisture-permeable sheets covering the steam-generating composition has a water resistance of at least 400 mm. This eye-use steam-generating heating sheet is sealed for storage.
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