Compositions containing .alpha.-sulfofatty acid esters and methods of making and using the same
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United States of America Patent
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Sep 11, 2001
Issued Date -
N/A
app pub date -
Mar 14, 2000
filing date -
Nov 19, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The invention includes compositions containing one or more .alpha.-sulfofatty acid esters, and methods for making and using the same. At least one .alpha.-sulfofatty acid ester is included in an inner portion. The invented composition can further include an outer portion which protects the .alpha.-sulfofatty acid ester from di-salt formation. The resulting composition improves the stability of the .alpha.-sulfofatty acid ester after manufacture, during shipping and storage, and in detergents. The invention further included detergents containing the invented composition, and methods of making such detergents.
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