Oil-in-water emulsion formulation of insecticides

A - Human Necessities – 01 – N

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A01N 25/02 (2006.01) A01N 25/04 (2006.01) A01N 53/00 (2006.01)

Patent

CA 2436199

An oil-in-water emulsion formulation, comprising a) one or more insecticides, in particular pyrethroids; b) one or more solvents from the group of esters of aliphatic monocarboxylic acids, esters of aliphatic dicarboxylic acids, esters of aromatic monocarboxylic acids esters of aromatic dicarboxylic acids and tri- n-alkylphosphates; c) an emulsifier system comprising one or more anionic surfactants and two or more non ionic surfactants, one of which has a HLB value between 4 and 12 and one of which has a HLB value between 12 and 20; d) one or more film forming agents/thickeners; and e) water; is useful for controlling pests.

La présente invention concerne une formulation émulsion huile dans l'eau comprenant: a) un ou plusieurs insecticides, en particulier des pyréthroïdes; b) un ou plusieurs solvants appartenant au groupe comprenant les esters d'acides monocarboxyliques aliphatiques, les esters d'acides dicarboxyliques aliphatiques, les esters d'acides monocarboxyliques aromatiques, les esters d'acides dicarboxyliques aromatiques, et les tri-n-alkylphosphates; c) un système émulsifiant comprenant au moins un tensioactif anionique et au moins deux tensioactifs non ioniques, l'un d'entre eux ayant une valeur HLB comprise entre 4 et 12, et l'un d'entre eux ayant une valeur HLB comprise entre 12 et 20; d) un ou plusieurs agents filmogènes/épaississants; et e) de l'eau. Ladite formulation est utile pour lutter contre les parasites.

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