Preparation of ammonium glyphosate using aqueous ammonium hydroxide in a
liquid-solid reaction system
    1.
    发明授权
    Preparation of ammonium glyphosate using aqueous ammonium hydroxide in a liquid-solid reaction system 失效
    在液 - 固反应体系中使用氢氧化铵水溶液制备草甘膦铵

    公开(公告)号:US5614468A

    公开(公告)日:1997-03-25

    申请号:US472152

    申请日:1995-06-07

    IPC分类号: A01N57/20 C07F9/38 A01N57/02

    CPC分类号: C07F9/3813

    摘要: Solid N-phosphonomethylglycine or glyphosate acid is charged to a substantially closed system and then partially pre-dried as by continuously recirculating it through a hot air grinding/drying system. A cooled solution of ammonium hydroxide is then metered into and reacted with the partially dried glyphosate acid as it is being recirculated in a manner such that the moisture content of the reaction mass so formed is continuously decreased throughout the reaction. Following completion of the ammonium hydroxide addition, a powdered reaction mass/product having a moisture content of about 2 wt. % is formed. Significantly, at this stage, the ammonium glyphosate product is suitable for end use and it can be readily dissolved in water and immediately used as a herbicide or plant growth regulator. More importantly, however, this product is capable due to its highly sorptive character to be further formulated into a product exceptionally highly loaded with adjuvants and particularly surfactants.

    摘要翻译: 将固体N-膦酰基甲基甘氨酸或草甘膦酸加入到基本封闭的系统中,然后通过连续循环通过热空气研磨/干燥系统部分预干燥。 然后将冷却的氢氧化铵溶液计量加入部分干燥的草甘膦酸中并与之反应,因为它被再循环,使得如此形成的反应物质的水分含量在整个反应中连续降低。 完成氢氧化铵加入后,将水分含量为约2重量%的粉末状反应物质/产物 % 形成了。 显着地,在此阶段,草甘膦铵产品适用于最终用途,并且可以容易地溶于水中并立即用作除草剂或植物生长调节剂。 然而,更重要的是,该产品由于其高吸附特性而能够进一步配制成特别高负载佐剂,特别是表面活性剂的产品。

    Preparation of ammonium glyphosate using aqueous ammonium hydroxide in a
liquid-solid reaction system
    2.
    发明授权
    Preparation of ammonium glyphosate using aqueous ammonium hydroxide in a liquid-solid reaction system 失效
    在液 - 固反应体系中使用氢氧化铵水溶液制备草甘膦铵

    公开(公告)号:US5716903A

    公开(公告)日:1998-02-10

    申请号:US778890

    申请日:1997-01-03

    IPC分类号: A01N57/20 C07F9/38 A01N57/02

    CPC分类号: C07F9/3813

    摘要: Solid N-phosphonomethylglycine or glyphosate acid is charged to a substantially closed system and then partially pre-dried as by continuously recirculating it through a hot air grinding/drying system. A cooled solution of ammonium hydroxide is then metered into and reacted with the partially dried glyphosate acid as it is being recirculated in a manner such that the moisture content of the reaction mass so formed is continuously decreased throughout the reaction. Following completion of the ammonium hydroxide addition, a powdered reaction mass/product having a moisture content of about 2 wt. % is formed. Significantly, at this stage, the ammonium glyphosate product is suitable for end use and it can be readily dissolved in water and immediately used as a herbicide or plant growth regulator. More importantly, however, this product is capable due to its highly sorptive character to be further formulated into a product exceptionally highly loaded with adjuvants and particularly surfactants.

    摘要翻译: 将固体N-膦酰基甲基甘氨酸或草甘膦酸加入到基本封闭的系统中,然后通过连续循环通过热空气研磨/干燥系统部分预干燥。 然后将冷却的氢氧化铵溶液计量加入部分干燥的草甘膦酸中并与其反应,因为它被再循环,使得如此形成的反应物质的水分含量在整个反应中连续降低。 完成氢氧化铵加入后,将水分含量为约2重量%的粉末状反应物质/产物 % 形成了。 显着地,在此阶段,草甘膦铵产品适用于最终用途,并且可以容易地溶于水中并立即用作除草剂或植物生长调节剂。 然而,更重要的是,该产品由于其高吸附特性而能够进一步配制成特别高负载佐剂,特别是表面活性剂的产品。

    Preparation of ammonium glyphosate via a gas-solid reaction system
    3.
    发明授权
    Preparation of ammonium glyphosate via a gas-solid reaction system 失效
    通过气 - 固反应体系制备草甘膦铵

    公开(公告)号:US5633397A

    公开(公告)日:1997-05-27

    申请号:US485316

    申请日:1995-06-07

    IPC分类号: A01N57/20 C07F9/38 C07F9/54

    CPC分类号: A01N57/20 C07F9/3813

    摘要: Solid N-phosphonomethylglycine or glyphosate acid in "wet cake" form is charged to a suitable mixer/reactor. A stoichiometric equivalent of anhydrous ammonia gas is fed to the mixer for direct reaction with the glyphosate acid as it is agitated within the mixer. A water Jacket containing circulating water or other suitable heat transfer facilitating means readily known to those in the art is adapted to the mixer and used to remove heat from the reactor produced by the exothermic reaction. The moisture content of the glyphosate wet cake, the design of the mixer including a preferred close tolerance relation between the inner walls of the reactor and its mixing impellers together with the relative location of the ammonia gas inlet in the mixer/reactor and maintenance of a reaction temperature of about 60.degree. C. or below are all important process variables. The ammonium glyphosate thereby produced is a highly sorptive, water-soluble powder suitable for end use as a plant growth regulator or as a herbicide without further processing. Due to the highly sorptive character of the reaction product, however, it is particularly well-suited for further formulation to absorb/adsorb an exceptionally high level of adjuvants such as wetting agents, anti-foaming agents and, in particular, surfactants.

    摘要翻译: 以“湿饼”形式的固体N-膦酰基甲基甘氨酸或草甘膦酸加入合适的混合器/反应器中。 将化学计量当量的无水氨气加入到混合器中,以便在混合器内搅拌时与草甘膦酸直接反应。 含有本领域技术人员熟知的循环水或其它合适的传热促进装置的水夹克适用于混合器并用于从放热反应产生的反应器中除去热量。 草甘膦湿滤饼的水分含量,混合器的设计包括反应器内壁与其混合叶轮之间的优选紧密公差关系以及氨气入口在混合器/反应器中的相对位置以及维持 约60℃以下的反应温度都是重要的工艺变量。 由此产生的草甘膦是一种高度吸附的水溶性粉末,适用于最终用作植物生长调节剂或作为除草剂而不进一步加工。 然而,由于反应产物的高度吸附特性,特别适用于进一步配制以吸收/吸附特别高含量的助剂如润湿剂,消泡剂,特别是表面活性剂。

    Plant treatment compositions having enhanced biological effectiveness

    公开(公告)号:US06245713B1

    公开(公告)日:2001-06-12

    申请号:US09298136

    申请日:1999-04-23

    IPC分类号: A01N2530

    摘要: A composition for application to foliage of a plant to elicit a biological effect is provided. This plant treatment composition comprises, dissolved or dispersed in water, an anionic exogenous chemical substance such as the herbicide N-phosphonomethylglycine, together with (i) one or more alkylether surfactants each having the formula R12—O—(CH2CH2O)n((CHR)2O)m—R13 wherein R12 is an aliphatic saturated or unsaturated hydrocarbyl group having about 16 to about 22 carbon atoms, n is an average number of about 5 to about 100, m is an average number of 0 to about 5, one R in each —((CHR)2O)— group is hydrogen and the other R is methyl, and R13 is a hydrogen, C1-4 alkyl or C2-4 acyl group; and (ii) one or more amine surfactants each having a molecular structure that comprises (a) a hydrophobic moiety having one or a plurality of independently saturated or unsaturated, branched or unbranched, aliphatic, alicyclic or aromatic C3-20 hydrocarbyl or hydrocarbylene groups joined together by 0 to about 7 ether linkages and having in total about 8 to about 24 carbon atoms, and (b) a hydrophilic moiety comprising an amino group that is cationic or that can be protonated to become cationic, having attached directly thereto 1 to 3 oxyethylene groups or polyoxyethylene chains, these oxyethylene groups and polyoxyethylene chains comprising on average 1 to about 50 oxyethylene units per surfactant molecule, the hydrophobic moiety being attached either to the amino group or via an ether linkage to an oxyethylene unit. The weight ratio of the alkylether surfactant(s) to the amine surfactant(s) is about 1:10 to about 10:1; and the alkylether and amine surfactants are present in total in an adjuvant amount of about 0.05 to about 0.5 parts by weight per part by weight of the anionic exogenous chemical substance, expressed as acid equivalent. Also provided are solid and liquid concentrate compositions that can be diluted, dissolved or dispersed in water to form such a plant treatment composition.

    Concentrate composition of plant treatment compound in acid form
    7.
    发明授权
    Concentrate composition of plant treatment compound in acid form 有权
    植物处理化合物的浓缩成分为酸形式

    公开(公告)号:US06207617B1

    公开(公告)日:2001-03-27

    申请号:US09298766

    申请日:1999-04-23

    申请人: Jane L. Gillespie

    发明人: Jane L. Gillespie

    IPC分类号: A01N2532

    摘要: There is provided a concentrate composition, suitable for foliar application to a plant to elicit a biological activity therein, comprising (a) about 20% to about 90% by weight of a plant treatment compound that is an acid having a solubility in deionized water at 25° C. of less than about 50 g/l and is present predominantly in the acid form, and (b) a surfactant of formula R—O—(CH2CH2O)n—H wherein R is a straight or branched chain aliphatic hydrocarbyl group having about 24 to about 60 carbon atoms and n is an integer having an average value of about 5 to about 100. The weight ratio of the surfactant to the plant treatment compound is about 1:2 to about 1:30. In a particular embodiment, the composition is a liquid suspension concentrate having a continuous aqueous phase and a discontinuous particulate phase comprised predominantly of the plant treatment compound. The plant treatment compound can be a herbicide, for example glyphosate.

    摘要翻译: 提供了一种浓缩组合物,其适用于叶片施用于植物以引发其中的生物活性,其包含(a)约20重量%至约90重量%的植物处理化合物,其为在去离子水中具有溶解度的酸 25℃,小于约50g / l,主要以酸形式存在,(b)糠醛的表面活性剂R为具有约24至约60个碳原子的直链或支链脂族烃基,n为 平均值为约5至约100的整数。表面活性剂与植物处理化合物的重量比为约1:2至约1:30。 在一个具体实施方案中,组合物是具有连续水相和主要由植物处理化合物组成的不连续颗粒相的液体悬浮浓缩物。 植物处理化合物可以是除草剂,例如草甘膦。