Biologically active formulation based on cyclodextrin...

A - Human Necessities – 01 – N

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A01N 25/10 (2006.01) A01N 43/30 (2006.01) A01N 43/50 (2006.01) A01N 43/54 (2006.01) A01N 43/78 (2006.01) A01N 47/02 (2006.01) A01N 47/18 (2006.01) A01N 47/40 (2006.01) A01N 51/00 (2006.01) A01N 57/16 (2006.01)

Patent

CA 2605581

The present invention provides a formulation characterised by the simultaneous presence in cyclodextrin based supramolecular complexes, of two components, one of which possesses insecticidal, acaricidal, fungicidal, snailcidal or vermicidal activity and the other possesses an activity synergistic with the first, enhancing its effectiveness. The biologically active substance is chosen from the following classes of chemical products: carbamates, organophosphates, thioureas, pentatomic or hexatomic heterocycles in which 1 , 2 or 3 nitrogen atoms are present. The synergistic substance can be chosen from components containing at least one aromatic or non aromatic carbocyclic ring, such as piperonyl butoxide, sesamol, verbutin or MGK 264. For the same dose, the activity of the present formulations is greater than that of the mixture of the two active components alone or separately complexed with cyclodextrin. The process for preparing said formulation and its use for the activities herein indicated are further aspects of the present invention.

L'invention concerne une formulation caractérisée par la présence simultanée de deux composants dans des complexes supramoléculaires à base de cyclodextrine L'un des deux composants a une activité insecticide, acaricide, fongicide ou vermicide tandis que l'autre composant a une activité synergiste lorsqu'il est associé au premier composant, et renforce son efficacité. La substance active biologiquement est choisie parmi les classes suivantes de produits chimiques : carbamates, organophosphates, thiourées, hétérocycles pentatomiques ou hexatomiques dans lesquels sont présents des atomes d'hydrogène 1 , 2 ou 3. La substance synergiste peut être choisie à partir de composants contenant au moins un anneau carbocyclique aromatique ou non aromatique, tel que du butoxyde de piperonyle, du sésamol, verbutin ou MGK 264. Pour la même dose, l'activité des formulations présentes est plus élevée que celle issue du mélange des deux composants actifs combinés seuls ou séparément avec de la cyclodextrine. L'invention concerne également le procédé de préparation de ladite formulation et son utilisation dans les activités décrites précédemment.

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