Patent ID: 7176171

Claim:
An emulsifier mixture for a wax-based opacifier comprising: (a) an alkyl and/or alkenyl oligoglycoside; (b) a fatty acid partial glyceride; and (c) at least one betaine compound of formula (IV) wherein R 8 CO is an aliphatic acyl group having from 6 to 22 carbon atoms and 0 or 1 to 3 double bonds, m is a number from 1 to 3, R 6 is hydrogen or an alkyl group having from 1 to 4 carbon atoms, R 7 is an alkyl group having from 1 to 4 carbon atoms, n is a number from 1 to 6 and X is an alkali metal, alkaline earth metal or ammonium ion, with the proviso that the ratio by weight of (a) plus (c) to (b) is between 6:1 and 1.5:1 and wherein the composition is free from anionic surfactants.