Free-flowing agglomerated nonionic surfactant detergent composition and process for making same
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Dec 17, 1998
filing date -
Mar 10, 1997
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Abstract
A free-flowing agglomerated powder detergent process and the resulting composition includes from about 5% to about 80% of an alkali metal carbonate; from about 5% to about 50% of a detergent surfactant, and, up to about 25% of an alkali metal salt of a carboxylic acid, wherein the carboxylic acid is selected from the group of carboxylic acids that, below a first temperature, have a greater water solubility than the water solubility of its corresponding alkali-metal salt. The alkali metal salt is preferably provided solely by the reaction of (a) a premix comprising the alkali metal carbonate coated with the surfactant (b) a carboxylic acid selected from the group consisting of citric acid, malic acid, and mixtures thereof, and (c) water.
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