Chemical compositions and methods
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United States of America Patent
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Oct 22, 1985
Issued Date -
N/A
app pub date -
Nov 14, 1983
filing date -
Aug 10, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Improved rigid urethane and isocyanurate foam compositions having improved fire resistance are described. The urethane foams are based on furan compositions and are chiefly made from adding propylene oxide to bis(hydroxymethyl)furan.
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