PROCESS FOR PREPARING SPRAY-DRIED PARTICLES
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Sep 23, 2010
filing date -
Sep 23, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a process of making spray-dried detergent particles comprising the steps: (a) contacting magnesium sulphate with sodium salt of ethylenediamine disuccinic acid to form a premix comprising magnesium salt of ethylenediamine disuccinic acid; (b) contacting said premix with an aqueous slurry comprising detersive surfactant, sodium silicate, and optionally polymer; and (c) spray drying said aqueous slurry to form said spray-dried detergent particles.
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