Adhesive-faced porous absorbent sheet and method of making same
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United States of America Patent
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Mar 24, 1992
Issued Date -
N/A
app pub date -
Feb 15, 1990
filing date -
Feb 1, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sheet-form material suitable as wound dressing and having enhanced moisture control properties is disclosed. This sheet-form material includes a porous sheet of absorbent, elastomeric segmented polyurethane having an open pore structure and an apertured adhesive facing on one side of the porous sheet. A liquid impermeable but water vapor permeable backing may be provided on the opposite side of the porous sheet, if desired. Also disclosed is a method for forming an apertured adhesive facing for the sheet-form material.
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