Methods of cleaning fabrics with splittable aldehyde-based surfactants
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United States of America Patent
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Apr 18, 2000
Issued Date -
N/A
app pub date -
Mar 3, 1999
filing date -
May 12, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A nonionic surfactant having cyclic 1,3-dioxane and/or 1,3-dioxolane functionality which is irreversibly splittable by lowering the pH of its aqueous solution is useful in various processes requiring the removal of emulsified hydrophobic contaminants or other hydrophobic materials from an aqueous stream. After splitting of the surfactant into its component aldehyde and polyol, the hydrophobic components phase-separate and can be removed from the aqueous stream by routine means.
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Cited Art Landscape
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