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121. 发明申请

US20080171894A1 Mmdi and Pmdi Production By Means of Gas Phase Phosgenation 审中-公开
标题翻译： Mmdi和Pmdi通过气相光气的生产
公开(公告)号：US20080171894A1
公开(公告)日：2008-07-17
申请号：US11908422
申请日：2006-03-22
申请人： Christian Muller , Eckhard Stroefer
发明人： Christian Muller , Eckhard Stroefer
IPC分类号： C07C263/00
CPC分类号： C07C209/78 , C07C211/50 , C07C263/10 , C07C265/14
摘要： The invention relates to a process for preparing isocyanates, which comprises the steps (1) preparation of a crude MDA mixture by reaction of aniline with formaldehyde, with the reaction conditions being selected so that the resulting crude MDA can be converted completely into the gas phase, (2) conversion of the crude MDA mixture from step (1) into the gas phase and (3) phosgenation of crude MDA in the gas phase to give MMDI and PMDI.
摘要翻译：本发明涉及一种制备异氰酸酯的方法，其包括以下步骤：（1）通过苯胺与甲醛反应制备粗制MDA混合物，选择反应条件使得得到的粗制MDA可完全转化为气相，（2）将粗制MDA混合物从步骤（1）转化为气相，和（3）气相中粗制MDA的光气化，得到MMDI和PMDI。

122. 发明授权

US07358388B2 Method for the purification of isocyanates 有权
标题翻译：异氰酸酯的纯化方法
公开(公告)号：US07358388B2
公开(公告)日：2008-04-15
申请号：US10539131
申请日：2003-12-16
申请人： Andreas Woelfert , Hans-Juergen Pallasch , Eckhard Stroefer , Heinrich-Josef Blankertz
发明人： Andreas Woelfert , Hans-Juergen Pallasch , Eckhard Stroefer , Heinrich-Josef Blankertz
IPC分类号： C07C249/00
CPC分类号： B01D3/141 , C07C263/10 , C07C263/20 , C07C265/14
摘要： Isocyanates are prepared by a process in which a product stream from the isocyanate synthesis is purified.
摘要翻译：异氰酸酯通过其中来自异氰酸酯合成的产物流被纯化的方法制备。

123. 发明申请

US20070232827A1 Isocyanate Production Method 审中-公开
标题翻译：异氰酸酯生产方法
公开(公告)号：US20070232827A1
公开(公告)日：2007-10-04
申请号：US11569445
申请日：2002-05-21
申请人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Ulrich Penzel , Filip Deberdt
发明人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Ulrich Penzel , Filip Deberdt
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C265/12
摘要： A process for the preparation of isocyanates by reacting amines with phosgene, the phosgene-containing stream of starting materials (i) being substantially free of isocyanates and (ii) having a mass content of hydrogen chloride (referred to below as HCl) of less than 0.4% by mass, and a production plant for carrying out the process according to the invention.
摘要翻译：一种通过胺与光气反应制备异氰酸酯的方法，含有光气的起始原料物流（i）基本上不含异氰酸酯，和（ii）质量含量的氯化氢（以下称为HCl）小于 0.4质量％，以及用于实施本发明方法的生产设备。

124. 发明申请

US20070202035A1 Fluidized Bed Method And Reactor For Carrying Out Exotermic Chemical Equilibruim Reaction 审中-公开
标题翻译：流化床法和反应器进行超临界化学平衡反应
公开(公告)号：US20070202035A1
公开(公告)日：2007-08-30
申请号：US10594243
申请日：2005-03-21
申请人： Christian Walsdorff , Lothar Seidemann , Martin Sesing , Martin Fiene , Thomas Grassler , Olga Schubert , Eckhard Stroefer , Martin Sohn
发明人： Christian Walsdorff , Lothar Seidemann , Martin Sesing , Martin Fiene , Thomas Grassler , Olga Schubert , Eckhard Stroefer , Martin Sohn
IPC分类号： F27B15/00
CPC分类号： B01J8/1836 , B01J8/1872 , B01J2208/00132 , B01J2208/00212 , C01B7/04
摘要： The invention relates to a process for carrying out exothermic chemical equilibrium reactions in a fluidized-bed reactor, wherein there is a temperature distribution in the fluidized bed of the fluidized-bed reactor and the temperature difference between the lowest temperature and the highest temperature is at least 10 K. The invention further relates to a fluidized-bed reactor for carrying out chemical reactions in a fluidized bed (5), wherein at least one heat exchanger (12, 28) is located in the fluidized bed (5) to control the temperature distribution.
摘要翻译：本发明涉及在流化床反应器中进行放热化学平衡反应的方法，其中在流化床反应器的流化床中存在温度分布，并且最低温度和最高温度之间的温度差在本发明还涉及一种用于在流化床（5）中进行化学反应的流化床反应器，其中至少一个热交换器（12,28）位于流化床（5）中以控制温度分布。

125. 发明申请

US20060263290A1 Method for the production of chlorine 审中-公开
标题翻译：生产氯的方法
公开(公告)号：US20060263290A1
公开(公告)日：2006-11-23
申请号：US10567579
申请日：2004-08-06
申请人： Christian Walsdorff , Martin Fiene , Martin Sesing , Olga Metelkina , Lothar Seidemann , Eckhard Stroefer , Klaus Harth
发明人： Christian Walsdorff , Martin Fiene , Martin Sesing , Olga Metelkina , Lothar Seidemann , Eckhard Stroefer , Klaus Harth
IPC分类号： C01B7/00
CPC分类号： C01B7/04 , Y02P20/228
摘要： The invention relates to a process for preparing chlorine by catalytic gas-phase oxidation of hydrogen chloride, which comprises the steps: a) providing a feed gas stream I comprising hydrogen chloride and a feed gas stream II comprising oxygen; b) in a first oxidation stage, feeding the feed gas stream I, the feed gas stream II, if desired a recycle stream la comprising hydrogen chloride and if desired an oxygen-containing recycle stream IIa into a first oxidation zone and bringing them into contact with a first oxidation catalyst so that a first partial amount of the hydrogen chloride is oxidized to chlorine and a gas stream III comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor is obtained; c) in a second oxidation stage, feeding the gas stream III into a second oxidation zone and bringing it into contact with at least one further oxidation catalyst so that a second partial amount of the hydrogen chloride is oxidized to chlorine and a product gas stream IV comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor is obtained; d) isolating chloride, if desired the recycle stream Ia and if desired the recycle stream IIa from the product gas stream IV, wherein the first oxidization catalyst in the first oxidation zone is present in a fluidized bed and the further oxidation catalyst or catalysts in the second oxidation zone is/are present in a fixed bed.
摘要翻译：本发明涉及通过氯化氢的催化气相氧化制备氯的方法，其包括以下步骤：a）提供包含氯化氢的进料气流I和包含氧的进料气流II; b）在第一氧化阶段，如果需要，将进料气流I，进料气流II进料到包含氯化氢的再循环流1a，并且如果需要，将含氧循环流IIa进入第一氧化区并使其接触用第一氧化催化剂使得第一部分氯化氢被氧化成氯，得到包含氯，未反应的氧，未反应的氯化氢和水蒸气的气流III; c）在第二氧化阶段，将气流III进料到第二氧化区并使其与至少一种其它氧化催化剂接触，使得第二部分量的氯化氢被氧化成氯，产物气流IV 包括氯，未反应的氧，未反应的氯化氢和水蒸气; d）如果需要，根据需要从产物气流IV中分离氯化物，如果需要，再循环流Ia，如果需要，再循环流IIa，其中第一氧化区中的第一氧化催化剂存在于流化床中，第二氧化区存在于固定床中。

126. 发明申请

US20060252960A1 Method for the continuous production of isocyanates 有权
标题翻译：连续生产异氰酸酯的方法
公开(公告)号：US20060252960A1
公开(公告)日：2006-11-09
申请号：US10539802
申请日：2003-12-13
申请人： Martin Sohn , Eckhard Stroefer , Filip Nevejans , Ulrich Penzel , Has-Juergen Pallasch , Rene Leuthold , Andreas Brodhagen , Andreas Woelfert , Wolfgang Mackenroth , Markus Maurer
发明人： Martin Sohn , Eckhard Stroefer , Filip Nevejans , Ulrich Penzel , Has-Juergen Pallasch , Rene Leuthold , Andreas Brodhagen , Andreas Woelfert , Wolfgang Mackenroth , Markus Maurer
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C265/14
摘要： The invention relates to a process for preparing polyisocyanates by reacting organic amines with phosgene, wherein the reaction is carried out in at least three stages, with the first stage being carried out in a mixing apparatus, the second stage in at least one residence apparatus and the third stage in at least one separation apparatus and the pressure in each successive stage being lower than that in the previous stage.
摘要翻译：本发明涉及一种通过使有机胺与光气反应制备多异氰酸酯的方法，其中反应进行至少三个阶段，第一阶段在混合装置中进行，第二阶段在至少一个停留装置中进行，在至少一个分离装置中的第三阶段，并且每个连续阶段中的压力低于前一阶段的压力。

127. 发明申请

US20060135810A1 Method for the purification of isocyanates 有权
标题翻译：异氰酸酯的纯化方法
公开(公告)号：US20060135810A1
公开(公告)日：2006-06-22
申请号：US10539131
申请日：2003-12-16
申请人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Heinrich-Josef Blankertz
发明人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Heinrich-Josef Blankertz
IPC分类号： C07C263/20
CPC分类号： B01D3/141 , C07C263/10 , C07C263/20 , C07C265/14
摘要： Isocyanates are prepared by a process in which a product stream from the isocyanate synthesis is purified.
摘要翻译：异氰酸酯通过其中来自异氰酸酯合成的产物流被纯化的方法制备。

128. 发明申请

US20060116529A1 Method for the production of isocyanates 审中-公开
标题翻译：异氰酸酯的制备方法
公开(公告)号：US20060116529A1
公开(公告)日：2006-06-01
申请号：US10538474
申请日：2003-12-16
申请人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Ulrich Penzel , Filip Deberdt
发明人： Andreas Wolfert , Hans-Jurgen Pallasch , Eckhard Stroefer , Ulrich Penzel , Filip Deberdt
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C265/14
摘要： The invention provides a process for preparing isocyanates by reacting amines with phosgene, wherein the phosgene-containing feed stream has a hydrogen chloride content of more than 0.8% by mass.
摘要翻译：本发明提供了一种通过使胺与光气反应来制备异氰酸酯的方法，其中含光气的进料流的氯化氢含量大于0.8质量％。

129. 发明授权

US4702803A Preparation of pyrazoles 失效
标题翻译：制备吡唑
公开(公告)号：US4702803A
公开(公告)日：1987-10-27
申请号：US4971
申请日：1987-01-20
申请人： Michael Steiniger , Eckhard Stroefer
发明人： Michael Steiniger , Eckhard Stroefer
IPC分类号： C07D231/12 , C25B3/02
CPC分类号： C07D231/12 , C25B3/02
摘要： Pyrazoles of the general formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, alkyl, cycloalkyl or aryl, are prepared by electrochemical oxidation of 2-pyrazolines of the general formula ##STR2## in the presence of an ionic halide.
摘要翻译：其中R 1，R 2和R 3各自为氢，烷基，环烷基或芳基的通式为其的吡唑通过在离子型卤化物存在下电化学氧化通式为II的吡唑啉来制备。

130. 发明授权

US09079822B2 Process for the preparation of nitrated aromatics and mixtures thereof 有权
标题翻译：硝化芳族化合物及其混合物的制备方法
公开(公告)号：US09079822B2
公开(公告)日：2015-07-14
申请号：US13203360
申请日：2010-02-26
申请人： Wolfgang Mackenroth , Johannes Buettner , Eckhard Stroefer , Wolfgang Voigt , Frank Bok
发明人： Wolfgang Mackenroth , Johannes Buettner , Eckhard Stroefer , Wolfgang Voigt , Frank Bok
IPC分类号： C07C209/00 , C07C201/08
CPC分类号： C07C201/08 , C07C205/06
摘要： A process for the preparation of mononitroaromatics and dinitroaromatics, in which a hydrate melt of at least one metal nitrate M(NO3)3 is used as a nitrating medium, it being possible for M to be the metals Fe, Cr, Y, La, Ce, Al, Bi and In, and the metal nitrate having a water content of from 4 to 9 mol of water per M(NO3)3, leads to simplifications of the process and improved yields.
摘要翻译：一种制备单硝基芳族化合物和二硝基溴化物的方法，其中使用至少一种金属硝酸盐M（NO 3）3的水合物熔融物作为硝化介质，M可以是金属Fe，Cr，Y，La， Ce，Al，Bi和In，每M（NO 3）3含水量为4〜9mol的金属硝酸盐导致工艺的简化和提高的产率。

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