Patent ID: 6143830
Filing Date: 2000-11-07
Classification: A01N,C08L,Y10S

Abstract:
An emulsifier composition comprising:(a) 1-90% of a blend consisting essentially of:(i) a polyoxyethylene (EO)/polyoxypropylene (PO) block copolymers selected from the group of compounds represented by Formula I, II or III or mixtures thereof: ##STR8## wherein Formula I, II and III all contain 10-40% EO, n has a value such that the molecular weight of the PO is about 1200-4000 for Formula I, 1500-4000 for Formula II and 500-6000 for Formula III;(ii) anionic surfactants;(iii) a solvent; and(b) 1-90% of a blend consisting essentially of:(i) a polyoxyethylene (EO)/polyoxypropylene (PO) block copolymer selected from the group of compounds represented by Formula I, II or III or mixtures thereof: ##STR9## wherein Formula I, II and III all contain 50-80% EO, n has a value such that the molecular weight of the PO is about 1200-4000 for Formula I, 1500-4000 for Formula II and 500-6000 for Formula III;(ii) anionic surfactants;(iii) a solvent; and(c) 10-50% butyl ether of an EO/PO block copolymer.