Patent ID: 6210659
Filing Date: 2001-04-03
Classification: A61K,A61Q,C11D

Abstract:
A pearlescent concentrate comprising:(a) from 30 to 80% by weight of an alkyl ether sulfate corresponding to formula I:R.sup.1 O--(CH.sub.2 CH.sub.2 O).sub.m SO.sub.3 X (I)wherein R.sup.1 is a linear or branched alkyl and/or alkenyl group containing from 6 to 22 carbon atoms, m is a number from 1 to 10, and X is a compound selected from the group consisting of an alkali metal, an alkaline earth metal, ammonium, alkylammonium, alkanolammonium, glucammonium, and mixtures thereof;(b) from 5 to 20% by weight of a surfactant selected from the group consisting of a betaine corresponding to formula (II): ##STR3##wherein R.sup.2 is an alkyl and/or alkenyl group having from 6 to 22 carbon atoms, R.sup.3 is hydrogen or an alkyl group containing from 1 to 4 carbon atoms, R.sup.4 is an alkyl group containing from 1 to 4 carbon atoms, n is a number from from 1 to 6 and X is a compound selected from the group consisting of an alkali metal, an alkaline earth metal, ammonium, and mixtures thereof, a betaine corresponding to formula (III): ##STR4##wherein R.sup.5 CO is an aliphatic acyl group having from 6 to 22 carbon atoms and up to 3 double bonds, m is a number from 1 to 3, R.sup.3 is hydrogen or an alkyl group containing from 1 to 4 carbon atoms, R.sup.4 is an alkyl group containing from 1 to 4 carbon atoms, n is a number from 1 to 6 and X is an alkali metal, an alkaline earth metal or ammonium, an alkyl and/or alkenyl oligoglycoside corresponding to formula (IV):R.sup.6 O--[G].sub.p (IV)wherein R.sup.6 is an alkyl and/or alkenyl group containing from 4 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms and p is a number from 1 to 10, and mixtures thereof; and(c) from 1 to 10% by weight of an (oligo)ethylene glycol mono- and/or difatty acid ester, all weights being based on the total weight of the composition, and wherein the concentrate is polyol-free.