Spheroidal silica
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United States of America Patent
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Oct 18, 1988
Grant Date -
N/A
app pub date -
Dec 2, 1986
filing date -
Dec 5, 1985
priority date (Note) -
Expired
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Abstract
This invention relates to novel silica spheroids and to their production by a phase separation technique in which an aqueous alkaline stabilized silica sol and an aqueous solution of a non-adsorbing polymer are mixed and acidified to produce the new silica spheroids.
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