Process for preparation of chemically stable, dry-flow, low compact, dust free, soluble granules of phosphoroamidothioates
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United States of America Patent
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Apr 5, 2005
Grant Date -
Jul 10, 2003
app pub date -
Apr 22, 2002
filing date -
Dec 18, 2001
priority date (Note) -
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Abstract
Dry flow, low compact, dust free, soluble granules of phosphoroamidothioates, preferably acephate, are produced by the process of 1) pre-mixing technical grade phosphoroamidothioate with specified adjuvants and other inert ingredients; 2) grinding to produce a ground product having a preferred particle size of 5 microns to 10 microns; 3) post-mixing; 4) granulating; 5) drying; 6) sizing to required length, preferably 1.5 to 3.0 mm; 7) and sieving to remove the fines to get the desired dust free soluble granule.
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