Aqueous anionic surfactant concentrates containing viscosity reducing agents
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United States of America Patent
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Jul 30, 1985
Grant Date -
N/A
app pub date -
Oct 19, 1983
filing date -
Nov 2, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An aqueous anionic surfactant concentrate containing certain low molecular weight organic compounds as viscosity regulators and a method of regulating the viscosity of highly viscous concentrates, e.g. .alpha.-sulfo fatty acid ester surfactants in concentrations about 30% by weight. The viscosity regulators are selected from: (a) a C.sub.1 -C.sub.6 -alkyl monocarboxylic acid substituted in the .alpha.-position by a halogen, cyano or sulfo group, a salt thereof, or an ester thereof with a C.sub.1 -C.sub.6 -alkanol, (b) a C.sub.1 -C.sub.6 -alkylene dicarboxylic acid substituted in the .alpha.-position by a halogen, cyano or sulfo group, a salt thereof, or an ester thereof with a C.sub.1 -C.sub.6 -alkanol, (c) nitrilotriacetic acid and its salts, (d) an ether alcohol containing from 2 to 4 alkylene glycol units and 1 alkoxy group, (e) and mixtures thereof.
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