Sodium metasilicate particulates and detergent compositions comprised thereof
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United States of America Patent
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-
May 21, 1985
Grant Date -
N/A
app pub date -
Jul 11, 1983
filing date -
Jul 9, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Novel granular particulates of sodium metasilicate, well adapted for improved detergency applications, are comprised of a central core of essentially anhydrous sodium metasilicate and a core-enveloping sheath of sodium metasilicate pentahydrate therefor, the amount of water which comprises said sodium metasilicate pentahydrate comprising at least 10% by weight, and advantageously from 10 to 20 or 25% by weight, of the total weight of said particulates.
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