Production of porous inorganic materials
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United States of America Patent
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Jun 26, 1990
Issued Date -
N/A
app pub date -
Sep 23, 1988
filing date -
Sep 24, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is disclosed a process for preparing a porous inorganic material. The process comprises preparing a cellular aluminosilicate material by foaming or spray drying an aqueous suspension of the material. The cellular material is calcined, leached with hydroxide to remove silica, dewatered and dried to leave a porous, cellular ceramic material.
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