Process for preparing powdery alkyl sulfates
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United States of America Patent
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Dec 18, 2001
Grant Date -
Jun 14, 2001
app pub date -
Nov 29, 2000
filing date -
Dec 1, 1999
priority date (Note) -
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Abstract
A process for preparing a powdery alkyl sulfate, comprising drying aqueous slurry having a solid content of 60 to 85% by weight and containing an alkyl sulfate and an alkali metal carbonate in a ratio of 0.05 to 10 parts by weight of the alkali metal carbonate based on 100 parts by weight of the alkyl sulfate. This process is capable of stably preparing a powdery alkyl sulfate without deteriorating the quality of aqueous slurry of an alkyl sulfate and powder obtainable from the aqueous slurry.
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