Emulsifier for pesticide concentrates

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants

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A01N 2500

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active

056745176

ABSTRACT:
An emulsifier for emulsifying pesticide concentrates, the emulsifier consisting essentially of: (i) a sulfate as represented by general formula I: ##STR1## wherein R.sub.1 is an alkyl group having 8 or 9 carbon atoms, R.sub.2 is an alkyl radical having from 8 to 22 carbon atoms, x is a number from 4 to 10 and, y is a number from 2 to 20; and (ii) a nonionic surfactant selected from the group consisting of alkoxylated block copolymers of C.sub.8-12 alkylphenols, castor oil ethoxylates, mono- and di-esters of ethylene glycol, ethoxylated C.sub.8-22- alcohols, sorbitan esters, ethoxylated sorbitan esters, ethylene oxide-propylene oxide block copolymers, propoxylated-ethoxylated butanols, and mixtures thereof.

REFERENCES:
patent: 4029817 (1977-06-01), Blanco et al.
patent: 4770694 (1988-09-01), Iwasaki et al.
Chem. Ab. 111: 148930 W. Smith et al 1989.
Chem. Ab. 79: 2829L Abbott et al 1973.
Chem. Ab. 116:230224 Sato et al. 1992.
Chem. Ab. 109:94897 Kato et al. 1988.

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