BLEACHING AGENT PARTICLES COMPRISING SODIUM PERCARBONATE AND A BLEACH ACTIVATOR
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Apr 27, 2011
filing date -
Apr 27, 2010
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Abandoned
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Abstract
Bleach particles with a core of sodium percarbonate, an inner coating layer with at least 50% by weight of sodium sulfate in the form of thenardite or burkeite and an outer coating layer comprising a water-soluble binder and a perhydrolyzable N-acyl compound or O-acyl compound as bleach activator are storage-stable, are suitable for silo storage and can be transported and handled safely even in a hot and humid climate.
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