Porous composite sheet and process for the production thereof
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United States of America Patent
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Jul 10, 2001
Grant Date -
N/A
app pub date -
Jan 9, 1998
filing date -
Jul 10, 1995
priority date (Note) -
Expired
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Abstract
A sintered porous composite sheet, comprising an A/B-component layer in which the A-component layer is easily fusible and the B-component layer has a relatively higher thermal stability as compared with the A-component layer. The layers are superposed and sintered. The A-component layer comprises a hydrophilic material, the B-component layer comprises a hydrophobic material, and the A-component and B-component may include a common material comprising an easily fusible material. The porous composite sheet is air and moisture permeable, and is readily adaptable for use in sanitary and medical applications.
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