Hydrophilic polyurethane foams
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United States of America Patent
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-
Mar 7, 2000
Grant Date -
N/A
app pub date -
Jul 9, 1998
filing date -
Jul 9, 1997
priority date (Note) -
Expired
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Abstract
Hydrophilic flexible polyurethane foam which foam is in a compressed state above its glass transition temperature and at ambient pressure in the absence of force suitable to create the compressed state.
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