Insulation material
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United States of America Patent
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-
Jan 29, 2002
Grant Date -
N/A
app pub date -
Sep 24, 1999
filing date -
Mar 26, 1997
priority date (Note) -
Expired
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Abstract
A granular thermal insulating material comprising rice hull ash, ceramic clay binder, rice bran and an exfoliating agent, and methods to produce the insulating material.
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