Formulation of a synergistic insecticidal composition as a...

A - Human Necessities – 01 – N

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A01N 25/10 (2006.01) A01N 37/38 (2006.01) A01N 43/30 (2006.01) A01N 53/00 (2006.01) C08B 37/00 (2006.01)

Patent

CA 2543847

The present invention provides a new insecticide formulation based on cyclodextrin characterised in that the active substance (insecticide and/or insect growth regulator), and a compound synergistic with the active substance, are complexed simultaneously with cyclodextrin. The formulation presents as a solid or as a solid/oil composition, and is soluble or completely emulsifiable in water or in aqueous mixtures of water miscible solvents. The activity of the present formulations was found to be greater than that of a mixture of the two active components each complexed separately with cyclodextrin, for the same dose. The preparation process of said formulation and its use as an insecticide in agriculture, for veterinary use or to eliminate household insects, are further aspects of the present invention.

L'invention concerne une nouvelle formulation insecticide à base de cyclodextrine, caractérisée en ce que le principe actif (insecticide et/ou régulateur de croissance d'insectes) et un composé synergique avec ledit principe actif sont complexés simultanément avec de la cyclodextrine. Ladite formulation se présente sous forme de composition solide et/ou solide/huileuse et est soluble ou entièrement émulsifiable dans l'eau ou dans des mélanges aqueux de solvants miscibles dans l'eau. L'activité des présentes formulations s'est avérée supérieure à celle d'un mélange de deux composés actifs, complexés chacun séparément avec de la cyclodextrine, pour la même dose. Le processus de préparation de ladite formulation et son utilisation comme insecticide dans le domaine agricole, à des fins vétérinaires ou pour éliminer les insectes domestiques constituent d'autres aspects de l'invention.

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