Process for stabilizing particulate alkali metal percarbonate
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United States of America Patent
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Sep 9, 1997
Grant Date -
N/A
app pub date -
May 30, 1996
filing date -
Dec 29, 1993
priority date (Note) -
Expired
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Abstract
The invention relates to a process for stabilizing particulate alkali metal percarbonate by coating by coating it with an aqueous solution, preferably concentrated, of a complex formed from a boric acid or borate and an organic diol, polyol or hydroxycarboxylic acid, to the resulting coated product, and to compositions including the product. The coating can additionally contain an alkali metal neutral salt such as sodium chloride or sodium sulphate.
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