Fire resistant gypsum composition
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United States of America Patent
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-
May 12, 1987
Grant Date -
N/A
app pub date -
Apr 9, 1985
filing date -
Apr 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition useful as the core of fire resistant gypsum board and comprising a major amount of set calcined gypsum and minor amounts of whisker fibers, glass fibers and clay.
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Cited Art Landscape
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