Patent ID: 6823860
Filing Date: 2004-11-30
Classification: A61F

Abstract:
A steam-generating heating sheet for the eyes comprising:i) a steam-generating composition; ii) at least a first moisture-permeable sheet and a second moisture-permeable sheet in that order covering said steam-generating composition, wherein said first moisture-permeable sheet has a moisture permeability (ASTM E-96-80D method) of at least 600 g/m2/24 hs; said second moisture-permeable sheet has a moisture permeability (ASTM E-96-80D method) of 700 to 3000 g/m2/24 hs; said first moisture-permeable sheet and said second moisture-permeable sheet are joined at peripheral edges and provided that a steam accumulation space is formed therebetween; and at least one of said first or second moisture-permeable sheets covering the steam-generating composition has a water resistance of at least 400 mm.