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A NOVEL WATER DISPERSIBLE GRANULAR COMPOSITION
专利权人:
DEEPAK PRANJIVANDAS SHAH
发明人:
RAMDAS, PUTHENVEETIL KUNJUKRISHNA MENON,VADAKKEKUTTU, BALACHANDRAN THANKAPPAN,SHAH, DEEPAK PRANJIVANDAS
申请号:
NZ59527710
公开号:
NZ595277A
申请日:
2010.02.18
申请国别(地区):
NZ
年份:
2013
代理人:
摘要:
595277 Disclosed is a process of preparing a water dispersible granular composition, the process comprising steps of: a) preparing a fine suspension or dispersion of at least one solid agrochemically active substance and at least one first agrochemically acceptable excipient in water; b) preparing a filler base of at least one sorptive filler and at least one agrochemically acceptable excipient, wherein the sorptive filler is perlite; c) blending the suspension or dispersion of step a) with the filler base of step b) to get a wet mass; d) extruding and drying the wet mass of step c) to get water dispersible granules of at least one solid agrochemically active substance; e) preparing an emulsifiable solution comprising at least one liquid or low melting agrochemically active substance and at least one second agrochemically acceptable excipient; and, f) absorbing the emulsifiable solution of step e) in the water dispersible granules of step d) to obtain the water dispersible granular composition. The low melting agrochemical has a melting point below 70oC. Also disclosed is A water dispersible granular composition comprising at least one solid agrochemically active substance in the range of 0.1% to 45% w/w; at least one sorptive filler in the range of 5% to 50% w/w, wherein the sorptive filler is perlite; at least one first agrochemically acceptable excipient; at least one liquid or low melting agrochemically active substance in the range of 0.1% to 25% w/w; and, at least one second agrochemically active excipient. The solid agrochemically active substance is preferably imidacloprid, fipronil, thiamethoxam, deltamethrin, tebuconazole or azoxystrobin. The liquid or low melting agrochemically active substance is preferably lambda cyhalothrin, cypermethrin, chlorpyrifos or propiconazole.
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