Aqueous anionic surfactant solutions stable at low temperature comprising glycoside and alkoxylated nonionic surfactant mixtures and processes of making same
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United States of America Patent
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Feb 4, 1997
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N/A
app pub date -
Jun 19, 1995
filing date -
Oct 29, 1992
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Expired
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Abstract
Aqueous solutions of anionic surfactants having improved low-temperature stability are obtained by addition to the solutions of mixtures of nonionic surfactants containing a) alkyl and/or alkenyl oligoglycosides corresponding to formula (I) R.sup.1 -O-[G].sub.p (I) in which R.sup.1 is an alkyl and/or alkenyl radical containing 6 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms and p is a number of 1 to 10, b) fatty alcohol polyglycol ethers corresponding to formula (II) ##STR1## in which R.sup.2 is an alkyl radical containing 8 to 11 carbon atoms, n is a number of 4 to 9 and m=0 or is a number of 1 to 3, and optionally c) fatty alcohol polyglycol ethers corresponding to formula (III) ##STR2## in which R.sup.3 is an alkyl radical containing 12 to 15 carbon atoms, n is an integer of 4 to 9 and m=0 or is a number of 1 to 3. The products are particularly suitable for the production of manual dishwashing detergents.
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