Pesticide preparations in the form of aqueous suspension

Details Pesticide preparations in the form of aqueous suspension Pesticide preparations in the form of aqueous suspension

A - Human Necessities

01

N

A01N 25/04 (2006.01) A01N 25/30 (2006.01)

Patent

CA 2335832

Pesticide preparations in the form of an aqueous suspension wherein particles containing one or more pesticidal active ingredients and having a solubility in water at 20 ~C of from 100 ppm to 1,000 ppm (inclusive) are dispersed in an aqueous vehicle containing a condensed arylsulfonic acid salt optionally combined with a lignin sulfonic acid salt. These preparations can achieve a preparation stability of inhibiting the development of the pesticidal active ingredient particles while exerting biological effects comparable to those of granular pesticides. Moreover, the above preparations show a chemical injury frequency comparable to or lower than those of granular pesticides.

L'invention concerne des préparation de pesticides sous forme de suspension aqueuse, dans laquelle des particules contenant un ou plusieurs principes actifs pesticides et possédant une solubilité dans l'eau à 20 ·C de 100 ppm à 1 000 ppm (inclus), sont dispersées dans un véhicule aqueux contenant un sel d'acide arylsulfonique éventuellement combiné à un sel d'acide lignosulfonique. Ces préparation peuvent présenter une stabilité d'inhibition du développement des particules des principes actifs pesticides et ont des effets biologiques comparables à ceux de pesticides granulaires. Par ailleurs, les préparations de l'invention présentent une fréquence de lésion chimique inférieure ou comparable à celle des pesticides granulaires.

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