Patent ID: 6045816
Filing Date: 2000-04-04
Classification: A01N,Y10S

Abstract:
A clear, one-phase, efficacious aqueous microemulsion composition of a pyrethroid insecticide, free of nonylphenol ethoxylate, consisting essentially of, by weight:(a) 0.0005-5% of said pyrethroid,(b) 0-6% of a N--C.sub.1 -C.sub.4 alkyl pyrrolidone,(c) 0.0002-4% of a C.sub.6 -C.sub.18 alkyl pyrrolidone,(d) 0-3% of an ethoxylated/propoxylated (EO/PO) block copolymer surfactant,(e) 0.003-10% of an ethoxylated castor oil or a tristyryl phenol ethoxylate,(f) 0-1% of a phosphate ester as pH buffer, and(g) at least 80% of water.