PEROXY SALT COMPOSITIONS AND USES THEREOF
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2011
priority date (Note) -
Abandoned
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Abstract
A composition comprising a peroxy salt, fumed silica, and a non-aqueous, water miscible material. These compositions exhibit improved storage stability relative to compositions lacking fumed silica. The peroxy salt is preferably sodium percarbonate. The preparation of the peroxy salt compositions, such as sodium percarbonate compositions described herein, includes non-aqueous liquids as well as solids. The compositions surprisingly, and unexpectedly, exhibit acceptable chemical stability at room temperature in sealed containers. The improved stability is thought to be due to the inclusion of fumed silica in the non-aqueous compositions described herein. The tendency of the composition to decompose in the container is notably reduced and even eliminated, compared to compositions lacking fumed silica.
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