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    • 3. 发明授权
    • Liquid pesticide compositions
    • 液体农药组成
    • US08741324B2
    • 2014-06-03
    • US11631462
    • 2005-07-05
    • Charles W. FinchThomas ByrneHassan Oloumi-Sadeghi
    • Charles W. FinchThomas ByrneHassan Oloumi-Sadeghi
    • A01N25/02A01N33/26A01N37/22C07C233/65C07C233/80C07C237/00C07C243/18C07C245/04C07C251/06C07C251/86C07C275/28C07C275/30C07C281/10C07C281/14
    • A01N25/02A01N25/04A01N25/30A01N47/24A01N47/34A01N37/52A01N43/40A01N33/18A01N43/10A01N53/00A01N43/76A01N37/44A01N2300/00
    • The present invention relates to liquid pesticide concentrate compositions which comprise at least one organic pesticide compound that is sparingly or even insoluble in water and which upon dilution with water form stable aqueous nanoparticulate formulations. The liquid pesticide concentrate compositions of the invention comprise: a) at least one organic pesticide compound C having a water solubility of not more than 1 g/l at 25° C./1013 mbar, b) at least one organic solvent S having a water solubility at least 10 g/l at 25° C./1013 mbar, and which is capable of dissolving the pesticide compound C, or a mixture of at least one organic solvent S with water, provided that the weight ratio of water to solvent S does not exceed 1:2, c) at least one non-ionic blockcopolymer P comprising at least one polyethyleneoxide moiety PEO and at least one hydrophobic polyether moiety consisting of repeating units selected from C3-C10-alkyleneoxides and styrene oxide, d) optionally one or more non-polymeric surfactants, wherein the weight ratio of the non-ionic blockcopolymer to the organic pesticide compound P:C is from 0.6:1 to 10:1 and wherein the components a), b) and optionally d) make up at least 95% of the composition. The invention also relates to aqueous pesticide compositions which are obtained by diluting the concentrate pesticide compositions of the invention with water and to their use for plant protection.
    • 本发明涉及液体农药浓缩组合物,其包含至少一种微量甚至不溶于水的有机农药化合物,并且在用水稀释时形成稳定的纳米颗粒水性制剂。 本发明的液体农药浓缩组合物包含:a)至少一种有机农药化合物C,其在25℃,1013毫巴下的水溶解度不超过1g / l,b)至少一种有机溶剂S,其具有 水溶解度在25℃/ 1013毫巴下至少为10g / l,并​​且其能够将农药化合物C或至少一种有机溶剂S与水的混合物溶解,条件是水与溶剂的重量比 S不超过1:2,c)至少一种包含至少一个聚环氧乙烷部分PEO的非离子嵌段共聚物P和由选自C 3 -C 10 - 烷氧基化物和氧化苯乙烯的重复单元组成的至少一个疏水性聚醚部分,d)任选地 一种或多种非聚合物表面活性剂,其中非离子嵌段共聚物与有机农药化合物P:C的重量比为0.6:1至10:1,其中组分a),b)和任选地d)组成 至少95%的组成。 本发明还涉及通过用水将本发明的浓缩农药组合物稀释并用于植物保护而获得的含水农药组合物。
    • 5. 发明授权
    • Process for preparing an aqueous suspension of an organic pesticide compound
    • 制备有机农药化合物的水悬浮液的方法
    • US08618022B2
    • 2013-12-31
    • US13383652
    • 2010-07-13
    • Charles W. Finch
    • Charles W. Finch
    • A01N25/02A01N43/56A01N43/653A01P3/00A01P13/00A01P21/00
    • A01N25/04A01N47/24A01N43/56A01N43/653A01N2300/00
    • The present invention relates to a process for preparing an aqueous suspension of an organic pesticide compound, which has a solubility in water of not more than 2 g/l at 20° C. and a melting point of not more than 110° C. and which is capable of forming at least one crystalline modification, wherein the organic pesticide compound is present in the form of essentially crystalline particles, which process comprises: a) providing an aqueous emulsion of the organic pesticide compound, wherein the organic pesticide compound is present in the form droplets of an amorphous form of the organic pesticide compound, and b) addition of an aqueous suspension of said organic pesticide compound, wherein the organic pesticide compound is present in the form of essentially crystalline particles, wherein the addition in step b) is performed at a temperature below the melting temperature of the crystalline form of the organic pesticide compound.
    • 本发明涉及一种制备有机农药化合物的水性悬浮液的方法,其在20℃和熔点不超过11​​0℃下在水中的溶解度不超过2g / l,熔点不超过11​​0℃, 其能够形成至少一种结晶改性,其中所述有机农药化合物以基本上结晶的颗粒的形式存在,所述方法包括:a)提供有机农药化合物的水性乳液,其中所述有机农药化合物存在于 形成无定形形式的有机农药化合物的液滴,以及b)加入所述有机农药化合物的水悬浮液,其中有机农药化合物以基本上为结晶的颗粒形式存在,其中步骤b)中的添加是 在低于有机农药化合物结晶形式的熔融温度的温度下进行。