Water-dispersible agrochemical compositions

Abstract

The invention relates to novel compositions of biologically active agents containing less than 50% by weight of a low use rate agrochemical active and a dispersing agent, which exhibit enhanced bio-availability on dilution and application in water.

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         33 . A water dispersible agrochemical composition comprising a primary agrochemical active ingredient at a level of less than 50% by weight of the composition and a dispersing agent the composition being obtainable by a process comprising preparing a wetted mix in the form of a free-flowing powder comprising the primary active ingredient and the dispersing agent and optionally other components wherein at least one of the dispersing agent and optional other component is liquid and extruding the mix to form granules.  
     
     
         34 . A composition according to  claim 33  in which the primary active ingredient is selected from bensulfuron-methyl, chlorsulfuron, cinosulfuron, metsulfuron-methyl, nicosulfuron, primisulfuron-methyl, rimsulfuron, sulfometuron-methyl, thifensulfuron-methyl, and triflusulfuron-methyl.  
     
     
         35 . A composition according to  claim 33  further comprising a high use rate secondary active ingredient.  
     
     
         36 . A composition according to  claim 35  in which the high use rate secondary active ingredient is selected from abamectin, atrazine, benomyl, bentazone, bifenox, bromoxynil, captan, carbendazim, chloridazon, chlorothalonil, chlortoluron, lambda-cyhalothrin, cyhexatin, cymoxanil, alpha-cypermethrin, deltamethrin, dimethomorph, diuron, ethofumesate, fipronil, flurtamone, glyphosate, imazamethabenz-methyl, imazapyr, imazethapyr, imidacloprid, isoproturon, linuron, mancozeb, maneb, metamitron, methiocarb, metribuzin, milbemectin, oxadixyl, oxyfluorfen, phenmedipham, propanil, propyzamide, simazine, thifensulfuron-methyl and thiram.