Patent ID: 6541016
Filing Date: 2003-04-01
Classification: A61K,A61Q

Abstract:
Cosmetic and pharmaceutical emulsion formulations, comprising as emulsifier from 0.1% to 5% by weight of alkyl phosphoric ester emulsifier, said alkyl phosphoric ester emulsifier consists of a mixture of from 30% to 60% by weight of monoalkyl monophosphoric esters, from 30% to 60% by weight of dialkyl monophosphoric esters, and from 0.5% to 5% of trialkyl monophosphoric esters of the formulas I, II and III: in whichR, R1, R2 and R3, which may be identical or different, are beta-branched alkyl groups having from 16 to 20 carbon atoms, and X and Y are identical or different, and are selected from the group consisting of hydrogen, alkali metal or alkaline earth metal, substituted or unsubstituted ammonium and basic organic groups.