Low phosphorus containing detergent powders and process for preparing them: surfactant, aluminosilicate, sodium silicate and polyacrylate
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United States of America Patent
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Jan 29, 1991
Issued Date -
N/A
app pub date -
May 14, 1990
filing date -
Apr 4, 1986
priority date (Note) -
Expired
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Abstract
Low or zero-P detergent powders are prepared by a process in which sodium aluminosilicate, a polymeric powder structurant and other components are slurried and spray-dried, and particulate sodium silicate of defined characteristics is postdosed.
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