Agrochemical formulations

A - Human Necessities – 01 – N

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Details

A01N 25/30 (2006.01) A01N 25/14 (2006.01) A01N 37/34 (2006.01) A01N 43/70 (2006.01) A01N 47/22 (2006.01)

Patent

CA 2369161

Water dispersible solid granular agrochemical formulations, typically in the form of wettable powders, particularly having an average particle size of from 5 to 50 µm, or water dispersible granules, particularly having an average particle size of from 200 µm to 5 mm, include one or more water dispersible agrochemical active components; and a dispersing agent including a water dispersible styrene (meth)acrylic copolymer. The copolymeric dispersing agent may include monomer residues which include strongly acidic, particularly sulphonic acid groups.

L'invention porte sur des formulations agrochimiques granulaires solides et dispersables dans l'eau, se présentant généralement sous forme de poudres mouillables, et ayant notamment une taille particulaire moyenne variant entre 5 et 50 mu m. L'invention porte également sur des granulés dispersables dans l'eau, notamment d'une taille particulaire variant entre 200 mu m et 5mm. Lesdites compositions et granulés comprennent au moins un composant actif agrochimique dispersable dans l'eau, et un agent dispersant constitué d'un copolymère styrène (méth)acrylique dispersable dans l'eau. L'agent copolymérique peut contenir des résidus monomères comprenant des groupes d'acide dont l'acidité est très élevée, tels que des groupes d'acide sulphonique.

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