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

CPC分类号： D21H21/20 ,  C08F8/00 ,  D21H17/34 ,  D21H21/10 ,  D21H21/18 ,  C08F26/02

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。

公开(公告)号：US07671234B2

公开(公告)日：2010-03-02

申请号：US11913597

申请日：2006-05-02

申请人： Alfred Oftring ,  Gerold Braun ,  Friedrich Wirsing ,  Armin Stamm ,  Kai-Uwe Baldenius

发明人： Alfred Oftring ,  Gerold Braun ,  Friedrich Wirsing ,  Armin Stamm ,  Kai-Uwe Baldenius

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。

公开(公告)号：US20080194873A1

公开(公告)日：2008-08-14

申请号：US11913597

申请日：2006-05-02

申请人： Alfred Oftring ,  Gerold Braun ,  Friedrich Wirsing ,  Armin Stamm ,  Kai-Uwe Baldenius

发明人： Alfred Oftring ,  Gerold Braun ,  Friedrich Wirsing ,  Armin Stamm ,  Kai-Uwe Baldenius

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。

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

CPC分类号： C07C17/16 ,  C07C17/42 ,  C07C21/22

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。

公开(公告)号：US06207864B1

公开(公告)日：2001-03-27

申请号：US09380382

申请日：1999-09-01

申请人： Michael Henningsen ,  Armin Stamm ,  Martin Fischer ,  Wolfgang Siegel

发明人： Michael Henningsen ,  Armin Stamm ,  Martin Fischer ,  Wolfgang Siegel

IPC分类号： C07C4530

CPC分类号： C07F9/535 ,  C07C1/30 ,  C07C17/00 ,  C07C17/18 ,  C07C2601/02 ,  C07C13/04 ,  C07C22/00

摘要： The invention relates to a process for the halogenation of cyclopropylmethyl ketone with at least one dihalo-triorganophosphorane of the general formula I R3PHal2   (I), in which the radicals R can be the same or different and denote a saturated or unsaturated aliphatic C1-C20 hydrocarbon radical, a phenyl or (C1-C4 alkyl)phenyl radical, which may be optionally substituted by one or two fluorine, chlorine and/or nitro groups, P stands for phosphorus and Hal denotes chlorine, bromine, or iodine, at a temperature of from 800° to 130° C., where the dihalo-triorganophosphane of the general formula (I) is synthesized in situ from triorganophosphane oxide or triorganophosphane sulfide of the general formula II R3PA   (II), in which R is as defined above with respect to formula I and A denotes oxygen or sulfur, using a halogenating agent, wherein the triorganophosphane oxide or triorganophosphane sulfide is used in catalytic amounts, to the halogenation product of cyclopropylmethyl ketone obtained in said process, and to a process for the conversion of said halogenation product to cyclopropylacetytene.

摘要翻译： 本发明涉及用至少一种通式Iin的二卤代三有机基磷烷卤化环丙基甲基酮的方法，其中基团R可以相同或不同，表示饱和或不饱和的脂族C 1 -C 20烃基，苯基或 （C 1 -C 4烷基）苯基，其可任选被一个或两个氟，氯和/或硝基取代，P代表磷，Hal代表氯，溴或碘，温度为800°至130° ℃，其中通式（I）的二卤代三有机膦原位由通式IIin的三有机膦氧化物或三有机磷烷硫化物原位合成，其中R如对于式I所定义，A表示氧或硫，使用 一种卤化剂，其中三有机膦氧化物或三有机基硫化物以催化量使用于在所述方法中获得的环丙基甲基酮的卤化产物，t o将所述卤化产物转化为环丙基乙烯基的方法。

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

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。

公开(公告)号：US06410744B1

公开(公告)日：2002-06-25

申请号：US09445409

申请日：1999-12-08

申请人： Armin Stamm ,  Manfred Julius ,  Alois Kindler ,  Michael Henningsen ,  Jörg Botzem

发明人： Armin Stamm ,  Manfred Julius ,  Alois Kindler ,  Michael Henningsen ,  Jörg Botzem

IPC分类号： C07D23360

CPC分类号： C07D233/80

摘要： Carbonyldiimidazoles of the formulae Ia, Ib, Ic or mixtures thereof where R1 is C1-4-alkyl and R2 is hydrogen or methyl, and tert-butyl esters derived therefrom are described.

摘要翻译： 式Ia，Ib，Ic的羰基二咪唑或其混合物，其中R 1是C 1-4 - 烷基，R 2是氢或甲基，以及由此衍生的叔丁基酯。

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。