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公开(公告)号：US20120184769A1
公开(公告)日：2012-07-19
申请号：US13498825
申请日：2010-09-29
申请人： Bernd Judat , Alfred Oftring , Armin Stamm , Friedhelm Teich
发明人： Bernd Judat , Alfred Oftring , Armin Stamm , Friedhelm Teich
IPC分类号： C07C253/34
CPC分类号： C07C253/34 , C07C255/25
摘要： A method for isolating methylglycinenitrile-N,N-diacetonitrile (MGDN) from an aqueous mixture comprising MGDN is provided The method comprises cooling the aqueous mixture in one or more steps In one of these steps the mixture is cooled at a cooling rate of at least 20 K/h from a temperature above the solidification point of MGDN to a temperature below the solidification point of MGDN The method is implemented continuously
摘要翻译： 提供了从包含MGDN的含水混合物中分离甲基亚氨基腈-N，N-二乙腈（MGDN）的方法。该方法包括在一个或多个步骤中冷却含水混合物。在这些步骤之一中，将混合物以至少的冷却速率 从MGDN的凝固点以上的温度20K / h到低于MGDN凝固点的温度。该方法连续实施
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2.发明申请公开(公告)号：US20110004016A1
公开(公告)日：2011-01-06
申请号：US12919149
申请日：2009-03-02
申请人： Alfred Oftring , Armin Stamm , Friedrich Wirsing , Gerold Braun
发明人： Alfred Oftring , Armin Stamm , Friedrich Wirsing , Gerold Braun
IPC分类号： C07C227/18 , C07C229/24
CPC分类号： C07C227/18 , C07C229/24
摘要： The present invention relates to a method for the production of aminodicarboxylic acid-N,N,diacetic acids of the general Formula I, wherein X independently of one another represents hydrogen or an alkali metal and n represents a number 1 or 2. Furthermore, the invention relates to aminodicarboxylic acid-N,N-diacetic acids of high purity. The inventive method comprises the following steps: A.) reacting an aminodicarboxylic acid of the general Formula II, wherein X and n have the aforementioned meanings, with 0.8 to 1.2 mole equivalents of formaldehyde and with 0.8 to 1.2 mole equivalents of hydrocyanic acid; b) reacting the reaction products of step a) with 0.8 to 1.2 mole equivalents of hydrocyanic acid and with 0.8 to 1.2 mole equivalents of formaldehyde; c) hydrolyzing in the reaction product obtained in step b).
摘要翻译： 本发明涉及一种制备通式I的氨基二羧酸-N，N-二乙酸的方法，其中X彼此独立地表示氢或碱金属，n表示数1或2.此外， 本发明涉及高纯度的氨基二羧酸-N，N-二乙酸。 本发明方法包括以下步骤：A.将具有上述含义的X和n的通式II的氨基二羧酸与0.8至1.2摩尔当量的甲醛和0.8至1.2摩尔当量的氢氰酸反应; b）使步骤a）的反应产物与0.8至1.2摩尔当量的氢氰酸和0.8至1.2摩尔当量的甲醛反应; c）在步骤b）中获得的反应产物中水解。
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3.发明授权Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content 有权具有低副产物含量的甲基甘氨酸-N，N-二乙酸 - 三烷基金属盐的制备方法公开(公告)号：US07671234B2
公开(公告)日：2010-03-02
申请号：US11913597
申请日：2006-05-02
IPC分类号： C07C227/26 , C07C229/16
CPC分类号： C07C227/26 , C07C229/16
摘要： The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.
摘要翻译： 本发明涉及通过甲基甘氨二乙腈（MGDN）的碱水解制备低副产物，浅色甲基甘氨酸-N，N-二乙酸三（碱金属）盐的方法，包括步骤（a）至 （f）：（a）在温度为30℃的温度下，将MGDN与碱水溶液混合; （b）使含水碱性MGDN悬浮液在10至30℃的温度下反应0.1至10小时以形成溶液; （c）允许来自步骤（b）的溶液在0.1至10小时的时间内在30至40℃的温度下反应; （d）任选地允许步骤（c）的溶液在0.5至2小时的时间内在50至80℃的温度下反应; （e）任选地允许来自步骤（c）或（d）的溶液在110至200℃的温度下在5至60分钟的时间内反应; （f）通过在90至105℃的温度下汽提来水解和除去在步骤（c），（d）或（e）中获得的溶液中的氨。
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4.发明申请Method For Producing Methylglycine-N,N-Diethanoic Acid-Trialkali Metal Salts With A Low By-Product Content 有权生产含有低副产物含量的甲基甘氨酸-N，N-二氢化萘 - 三碱金属盐的方法公开(公告)号：US20080194873A1
公开(公告)日：2008-08-14
申请号：US11913597
申请日：2006-05-02
IPC分类号： C07C229/24
CPC分类号： C07C227/26 , C07C229/16
摘要： The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.
摘要翻译： 本发明涉及通过甲基甘氨二乙腈（MGDN）的碱水解制备低副产物，浅色甲基甘氨酸-N，N-二乙酸三（碱金属）盐的方法，包括步骤（a）至 （f）：（a）在<= 30℃的温度下将MGDN与碱水溶液混合; （b）使含水碱性MGDN悬浮液在10至30℃的温度下反应0.1至10小时以形成溶液; （c）允许来自步骤（b）的溶液在0.1至10小时的时间内在30至40℃的温度下反应; （d）任选地允许步骤（c）的溶液在0.5至2小时的时间内在50至80℃的温度下反应; （e）任选地允许来自步骤（c）或（d）的溶液在110至200℃的温度下在5至60分钟的时间内反应; （f）通过在90至105℃的温度下汽提来水解和除去在步骤（c），（d）或（e）中获得的溶液中的氨。
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5.发明授权公开(公告)号：US08455682B2
公开(公告)日：2013-06-04
申请号：US12919149
申请日：2009-03-02
申请人： Alfred Oftring , Armin Stamm , Friedrich Wirsing , Gerold Braun
发明人： Alfred Oftring , Armin Stamm , Friedrich Wirsing , Gerold Braun
IPC分类号： C07C229/16
CPC分类号： C07C227/18 , C07C229/24
摘要： Provided is a method for the production of aminodicarboxylic acid N,N-diacetic acids of formula (I), wherein X is independently hydrogen or an alkali metal and n is 1 or 2. Aminodicarboxylic acid-N,N-diacetic acids of high purity can be yielded. The method involves: a) reacting an aminodicarboxylic acid, with 0.8 to 1.2 mole equivalents of formaldehyde and with 0.8 to 1.2 mole equivalents of hydrocyanic acid; b) reacting the reaction products of a) with 0.8 to 1.2 mole equivalents of hydrocyanic acid and with 0.8 to 1.2 mole equivalents of formaldehyde; c) hydrolyzing in the reaction product obtained in b).
摘要翻译： 提供了制备式（I）的氨基二羧酸N，N-二乙酸的方法，其中X独立地是氢或碱金属，n是1或2.高纯度的氨基二羧酸-N，N-二乙酸 可以得到。 该方法包括：a）使氨基二羧酸与0.8至1.2摩尔当量的甲醛和0.8至1.2摩尔当量的氢氰酸反应; b）使a）的反应产物与0.8至1.2摩尔当量的氢氰酸和0.8至1.2摩尔当量的甲醛反应; c）在b）中得到的反应产物中水解。
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公开(公告)号：US07034181B1
公开(公告)日：2006-04-25
申请号：US10130821
申请日：2000-11-27
申请人： Roland Götz , Norbert Götz , Michael Keil , Bernd Wolf , Adrian Steinmetz , Armin Stamm , Jochem Henkelmann
发明人： Roland Götz , Norbert Götz , Michael Keil , Bernd Wolf , Adrian Steinmetz , Armin Stamm , Jochem Henkelmann
IPC分类号： C07C51/58
摘要： The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R1 to R4 can be the same or different and represent hydrogen C1–C4 alkyl, halogen or trifluoromethyl, by reaction benzo condensed lactones of formula (II), in which R1 to R4 have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a Lewis acid and in the presence of catalytic quantities of a phosphine derivative.
摘要翻译： 本发明涉及一种制备式（I）的邻氯甲基苯甲酰氯的方法，其中R 1至R 4可以相同或不同，表示氢 C 1 -C 4烷基，卤素或三氟甲基，通过反应式（II）的苯并稠合内酯，其中R 1至R 4， SUP> 4 具有上述含义，与亚硫酰氯。 本发明的方法的特征在于反应在催化量的路易斯酸存在下和在催化量的膦衍生物的存在下进行。
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公开(公告)号：US06353127B1
公开(公告)日：2002-03-05
申请号：US09830349
申请日：2001-04-25
申请人： Armin Stamm , Jakob Fischer , Jochem Henkelmann , Wolfgang Siegel
发明人： Armin Stamm , Jakob Fischer , Jochem Henkelmann , Wolfgang Siegel
IPC分类号： C07C25500
CPC分类号： C07C253/30 , C07C255/10 , C07C255/35
摘要： The invention relates to a process for the preparation of &agr;-chloronitriles by reaction of cyanohydrins of aldehydes or ketones with phosgene using a phosphine oxide as catalyst.
摘要翻译： 本发明涉及通过使用氧化膦作为催化剂使醛或酮与氰基氰醇反应制备α-氯腈的方法。
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公开(公告)号：US06337425B1
公开(公告)日：2002-01-08
申请号：US09646186
申请日：2000-09-14
申请人： Armin Stamm , Jochem Henkelmann
发明人： Armin Stamm , Jochem Henkelmann
IPC分类号： C07C1702
摘要： In a process for chlorinating ketones which, apart from the carbonyl group, are inert in respect of triarylphosphine dichlorides, except for cyclopropyl methyl ketone, in which the ketones are reacted with a chlorinating agent in the presence of triarylphosphine oxides, the amount of triarylphosphine oxide is from 0.1 to 10 mol %, based on the amount of ketone. The ketones preferably have a least one CH-acid proton in the &agr; position to the carbonyl group.
摘要翻译： 在氯化酮的过程中，除了在三芳基氧化膦存在下酮与氯化剂反应的环丙基甲基酮以外，除了羰基外，它们是三芳基膦二氯化物是惰性的，三芳基氧化膦 基于酮的量为0.1〜10摩尔％。 酮优选在羰基的α位置具有至少一个CH-酸质子。
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9.发明授权Method for producing polymers containing carbamate units and the use thereof 失效制备含有氨基甲酸酯单元的聚合物的方法及其用途公开(公告)号：US06184310B2
公开(公告)日：2001-02-06
申请号：US09355955
申请日：1999-08-17
申请人： Jens Utecht , Manfred Niessner , Sabine Weiguny , Primoz Lorencak , Armin Stamm
发明人： Jens Utecht , Manfred Niessner , Sabine Weiguny , Primoz Lorencak , Armin Stamm
IPC分类号： C08G828
摘要： A process for preparing addition polymers which contain carbamate units comprises reacting polyethyleneimines or addition polymers which contain vinylamine units of the formula where R1 is hydrogen or C1-C6-alkyl, with haloformic esters, the carbamate-functionalized polyethyleneimine or vinylamine polymers thus obtainable being useful as retention, drainage and flocculation aids and as fixatives in papermaking, as protective colloids for the preparation of aqueous alkyldiketene dispersions and as dispersants for the preparation of aqueous filler slurries.
摘要翻译： 制备含有氨基甲酸酯单元的加成聚合物的方法包括使含有卤代甲酸酯的含有式R 1为氢或C 1 -C 6烷基的乙烯胺单元的聚乙烯亚胺或加成聚合物反应，由此得到的氨基甲酸酯官能化聚乙烯亚胺或乙烯基胺聚合物可用作 保留，排水和絮凝助剂以及作为造纸中的固定剂，作为用于制备烷基二乙烯基水分散体的保护胶体，以及用于制备含水填料浆料的分散剂。
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公开(公告)号：US07078574B2
公开(公告)日：2006-07-18
申请号：US10475213
申请日：2002-04-17
申请人： Armin Stamm , Heinz-Josef Kneuper , Stefan Rittinger , Peter Dransfeld , Hans-Peter Schildberg , Manfred Heilig , Theodor Weber
发明人： Armin Stamm , Heinz-Josef Kneuper , Stefan Rittinger , Peter Dransfeld , Hans-Peter Schildberg , Manfred Heilig , Theodor Weber
IPC分类号： C07C17/42
摘要： A method is provided for the intrinsically safe handling of 3-chloropropyne in the presence of a diluent with a boiling point ranging from −50° C. (223 K) to 200° C. (473 K) under atmospheric pressure, wherein the concentration of 3-chloropropyne in the liquid phase and in the gas phase is kept below the concentrations capable of deflagration by means of the type and amount of the diluent, the temperature and the total system pressure, together with the use of a 3-chloropropyne prepared, stored or transported in this way in the synthesis of dyestuffs, pharmaceutical and agricultural active ingredients, electroplating auxiliaries, disinfectants, steroids and growth hormones.
摘要翻译： 在常压下，在沸点范围为-50℃（223K）至200℃（473K）的稀释剂存在下，提供了一种本质安全处理3-氯丙炔的方法，其中浓度 的3-氯丙炔在液相中和在气相中通过稀释剂的类型和量，温度和总体系压力保持低于能够爆燃的浓度，以及使用制备的3-氯丙炔 以这种方式储存或运输，合成染料，药物和农业活性成分，电镀助剂，消毒剂，类固醇和生长激素。
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