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51. 发明申请

US20080262263A1 Method For Purifing Residues Containing Isocyanates 有权
标题翻译：纯化含有异氰酸酯的残留物的方法
公开(公告)号：US20080262263A1
公开(公告)日：2008-10-23
申请号：US12067104
申请日：2006-09-21
申请人： Andreas Wolfert , Carsten Knosche , Matthias Klotzer , Hermann Ascherl , Eckhard Stroefer , Heinrich-Josef Blankertz , Michael Schonherr , Martin Karches , Christian Benz
发明人： Andreas Wolfert , Carsten Knosche , Matthias Klotzer , Hermann Ascherl , Eckhard Stroefer , Heinrich-Josef Blankertz , Michael Schonherr , Martin Karches , Christian Benz
IPC分类号： C07C263/20
CPC分类号： C07C263/20 , C07C2601/14 , C07C265/14
摘要： The present invention comprises a process for purifying isocyanate-comprising residues.
摘要翻译：本发明包括用于纯化含异氰酸酯的残留物的方法。

52. 发明申请

US20070183963A1 Reactor and method for producing chlorine from hcl 失效
标题翻译：反应器及其制备方法
公开(公告)号：US20070183963A1
公开(公告)日：2007-08-09
申请号：US10588511
申请日：2005-02-08
申请人： Lothar Seidemann , Olga Schubert , Martin Sesing , Eckhard Stroefer , Martin Fiene , Christian Walsdorff , Klaus Harth
发明人： Lothar Seidemann , Olga Schubert , Martin Sesing , Eckhard Stroefer , Martin Fiene , Christian Walsdorff , Klaus Harth
IPC分类号： B01D53/46 , B01J8/34
CPC分类号： B01J8/34 , B01J8/0055 , B01J8/006 , B01J8/1836 , B01J2208/00132 , B01J2208/0015 , B01J2208/00495 , B01J2219/0286 , C01B7/04
摘要： The invention relates to a reactor and a process for preparing chlorine from hydrogen chloride by gas-phase oxidation by means of oxygen in the presence of a heterogeneous catalyst in a fluidized bed, with gas-permeable plates being located in the fluidized bed. The gas-permeable plates are connected in a thermally conductive manner to a heat exchanger located in the fluidized bed.
摘要翻译：本发明涉及一种反应器和一种通过在流化床中的非均相催化剂存在下通过氧气气相氧化从氯化氢制备氯的方法，气体可渗透板位于流化床中。气体渗透板以导热方式连接到位于流化床中的热交换器。

53. 发明授权

US07112694B2 Method for producing isocyanates 有权
标题翻译：异氰酸酯的制备方法
公开(公告)号：US07112694B2
公开(公告)日：2006-09-26
申请号：US10513340
申请日：2003-05-19
申请人： Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Andreas Brodhagen
发明人： Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Andreas Brodhagen
IPC分类号： C07C263/00 , B01J10/00
CPC分类号： C07C263/10 , C07C265/14
摘要： The present invention relates to a continuous process for preparing isocyanates by reacting primary amines with phosgene, wherein the reaction is carried out in a cascade of at least two tube reactors and the gas phase formed in the reaction is separated off in a phase separator after each reactor and only the liquid phase is passed to the next reactor or to product purification and the reaction volume of the first tube reactor is only a fraction of the total reaction volume.
摘要翻译：本发明涉及通过使伯胺与光气反应制备异氰酸酯的连续方法，其中反应在至少两个管式反应器的级联中进行，并且在每个反应器中在相分离器中分离反应中形成的气相反应器，并且只有液相被传送到下一个反应器或产物纯化，并且第一管式反应器的反应体积仅为总反应体积的一部分。

54. 发明授权

US09006481B2 Process and apparatus for preparing isocyanates 有权
标题翻译：制备异氰酸酯的方法和装置
公开(公告)号：US09006481B2
公开(公告)日：2015-04-14
申请号：US13256541
申请日：2010-03-18
申请人： Torsten Mattke , Carsten Knoesche , Bernd Rumpf , Eckhard Stroefer
发明人： Torsten Mattke , Carsten Knoesche , Bernd Rumpf , Eckhard Stroefer
IPC分类号： C07C263/00 , C07B43/10 , C07C263/10 , F28D7/00 , F28D13/00
CPC分类号： C07B43/10 , B01J2219/00873 , C07C263/10 , F28D7/00 , F28D13/00 , C07C265/14 , C07C265/00
摘要： The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene in the gas phase, optionally in the presence of an inert medium, in which phosgene and amine are first evaporated and then superheated further to reaction temperature, and the superheated phosgene and amine are mixed and fed to a reactor in which the phosgene and the amine are converted to the isocyanate, wherein the residence time of the phosgene at temperatures greater than 300° C. is not more than 5 s, and/or the temperature of heat transfer surfaces in contact with phosgene is not more than 20 K above the phosgene temperature to be established. The invention further relates to an apparatus for preparing isocyanates by reacting the corresponding amines with phosgene in the gas phase.
摘要翻译：本发明涉及通过使气相中相应的胺与光气反应制备异氰酸酯的方法，任选地在惰性介质存在下，首先将光气和胺蒸发，然后进一步过热至反应温度，过热的光气和胺混合并加入到光气和胺转化为异氰酸酯的反应器中，其中光气在大于300℃的温度下的停留时间不超过5秒，和/或与光气接触的传热表面不超过要建立的光气温度20K。本发明还涉及通过气相中相应的胺与光气反应制备异氰酸酯的装置。

55. 发明授权

US09000213B2 Process for coproducing di- and/or polyisocyanates and glycols 有权
标题翻译：共聚产生二 - 和/或多异氰酸酯和二醇的方法
公开(公告)号：US09000213B2
公开(公告)日：2015-04-07
申请号：US13502763
申请日：2010-10-27
申请人： Michael Bock , Robert Baumann , Axel Franzke , Eckhard Stroefer , Gerhard Theis
发明人： Michael Bock , Robert Baumann , Axel Franzke , Eckhard Stroefer , Gerhard Theis
IPC分类号： C07C263/04 , C07C29/12 , C07C29/128 , C07C68/06
CPC分类号： C07C263/04 , C07C29/12 , C07C29/128 , C07C68/065 , C07C2601/14 , C07C69/96 , C07C265/12 , C07C265/14 , C07C31/202
摘要： A process for coproducing di- and/or polyisocyanates and glycols, comprising process stages A, B, C and E for preparing glycols and process stages A, C, D, E, F and G for preparing di- and/or polyisocyanates,which comprises accomplishing the material coupling via the separation of the reaction mixture obtained in process stage A into process stages B and C, by in process stage A, reacting an aqueous alkylene oxide with carbon dioxide to give a reaction mixture comprising alkylene carbonate, hydrolyzing a portion of the alkylene carbonate-comprising reaction mixture obtained in process stage A to glycol in process stage B, dewatering the remaining alkylene carbonate-comprising stream of the reaction mixture from process stage A in process stage C, in process stage D, synthesizing amine by hydrogenating an aromatic nitro compound or a nitrile, in process stage E, transesterifying the dewatered alkylene carbonate-comprising mixture from process stage C with a monohydroxy alcohol to give the corresponding dialkyl carbonate, obtaining glycol as a coproduct, in process stage F, reacting the dialkyl carbonate-comprising reaction mixture obtained in process stage E with the amine obtained in process stage D to a mixture comprising the corresponding mono-, di- and/or polycarbamate, which in process stage G is cleaved to obtain the corresponding di- and/or polyisocyanate.
摘要翻译：用于共混生产二 - 和/或多异氰酸酯和二醇的方法，包括制备二元醇和工艺阶段A，C，D，E，F和G的制备二 - 和/或多异氰酸酯的工艺阶段A，B，C和E，包括通过在工艺阶段A中将经处理阶段A获得的反应混合物分离成工艺阶段B和C来实现材料偶联，使环氧烷水溶液与二氧化碳反应，得到包含碳酸亚烷基酯的反应混合物，水解部分在工艺阶段B中获得的含碳酸亚烷基酯的反应混合物在工艺阶段B中与二醇的混合物，在工艺阶段D中将来自反应混合物的剩余的含有碳酸亚烃的物流从工艺阶段C脱水，通过氢化合成胺芳香族硝基化合物或腈，在工艺阶段E中，将来自工艺阶段C的脱水的含碳酸亚烷基酯混合物与单羟基醇酯交换，得到相应的碳酸二烷基酯，在工艺阶段F中获得二醇作为副产物，将在工艺阶段E中获得的含碳酸二烷基酯的反应混合物与在工艺阶段D中获得的胺反应到包含相应的单 - ，二 - 和/ 或聚氨酯，其在工艺阶段G被切割以获得相应的二 - 和/或多异氰酸酯。

56. 发明授权

US08748655B2 Process for preparing light-coloured isocyanates of the diphenylmethane series 失效
标题翻译：制备二苯基甲烷系列的浅色异氰酸酯的方法
公开(公告)号：US08748655B2
公开(公告)日：2014-06-10
申请号：US13383433
申请日：2010-07-07
申请人： Heiner Schelling , Jon S. Speier , Eckhard Stroefer , Byoung-Yeon Kim
发明人： Heiner Schelling , Jon S. Speier , Eckhard Stroefer , Byoung-Yeon Kim
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C2601/14 , C07C265/14
摘要： The present invention relates to a process for preparing light-colored polyphenylene-polymethylene-polyisocyanate (PMDI), comprising the steps (a) providing carbon monoxide and chlorine, (b) reacting carbon monoxide with chlorine to form phosgene, (c) reacting the phosgene from step (b) with at least one primary amine with the exception of mono- and polyphenylene-polymethylene polyamines with an excess of phosgene to form an at least one isocyanate containing reaction solution, and hydrogen chloride, (d) separating excess phosgene from the isocyanate-containing reaction solution obtained in step (c), (e) providing at least one polyphenylene-polymethylene polyamine, and (f) reacting at least a portion of the phosgene separated in step (d) with the at least one polyphenylene-polymethylene polyamine to form the light-colored polyphenylene-polymethylene polyisocyanate.
摘要翻译：本发明涉及一种制备浅色聚亚苯基 - 多亚甲基多异氰酸酯（PMDI）的方法，包括步骤（a）提供一氧化碳和氯，（b）使一氧化碳与氯反应形成光气，（c）使来自步骤（b）的光气与至少一种伯胺除了具有过量光气的单和多亚苯基多亚甲基多胺以形成至少一种含异氰酸酯的反应溶液和氯化氢，（d）将过量的光气从使步骤（c）中得到的含异氰酸酯的反应溶液，（e）提供至少一种聚亚苯基 - 多亚甲基多胺，和（f）将步骤（d）中分离的光气的至少一部分与至少一种聚苯撑 - 聚亚甲基多胺形成浅色聚亚苯基 - 多亚甲基多异氰酸酯。

57. 发明授权

US08680323B2 Process for preparing isocyanates by thermal dissociation of carbamates 失效
标题翻译：通过氨基甲酸酯的热解制备异氰酸酯的方法
公开(公告)号：US08680323B2
公开(公告)日：2014-03-25
申请号：US13008457
申请日：2011-01-18
申请人： Michael Bock , Axel Franzke , Robert Baumann , Eckhard Stroefer
发明人： Michael Bock , Axel Franzke , Robert Baumann , Eckhard Stroefer
IPC分类号： C07C263/04
CPC分类号： C07C263/04 , C07C265/14
摘要： The invention relates to a process for preparing isocyanates by thermal dissociation of carbamates and separation by distillation of the reaction mixture from the carbamate dissociation, comprising the corresponding isocyanate and the corresponding alcohol, by distillation in a column (K) having an enrichment section (V) and a stripping section (A), where the carbamate (1) is introduced between the enrichment section (V) and the stripping section (A) and the isocyanate is taken off as a constituent of the bottom stream (2) and the alcohol is taken off as a constituent of the overhead stream (3) from the column (K), in the presence of an inert solvent, wherein an intermediate boiler having a boiling point between the boiling point of the isocyanate and the boiling point of the alcohol under the operating conditions of the carbamate dissociation is used as inert solvent and is fed as external runback (4) in liquid form in a purity of >95% by weight, based on the total weight of the external runback (4), in the upper region of the enrichment section (V) and as gaseous, superheated stream (5) into the lower region of stripping section (A) at one or more points.
摘要翻译：本发明涉及一种通过氨基甲酸酯的热解解制备异氰酸酯的方法，并且通过在具有富集部分（V）的塔（K）中蒸馏，将反应混合物从氨基甲酸酯解离（包括相应的异氰酸酯和相应的醇）中蒸馏分离）和汽提段（A），其中将氨基甲酸酯（1）引入富集部分（V）和汽提部分（A）之间，异氰酸酯作为底部流（2）的组分和醇在惰性溶剂的存在下从柱（K）中作为塔顶馏出物（3）的组分脱去，其中沸点介于异氰酸酯的沸点和醇的沸点之间的中间锅炉在氨基甲酸酯解离的操作条件下，将其作为惰性溶剂使用，并作为外部回流（4）以> 95％重量的液体形式供给，基于外加剂的总重量（4），在富集部分（V）的上部区域和作为气体的过热流（5）在一个或多个点处进入汽提段（A）的下部区域。

58. 发明授权

US08614352B2 Method for producing color-stable MDA and MDI 有权
标题翻译：生产色泽稳定的MDA和MDI的方法
公开(公告)号：US08614352B2
公开(公告)日：2013-12-24
申请号：US13266049
申请日：2010-04-20
申请人： Eckhard Stroefer , Heiner Schelling , Robert Reinhardt , Michael Zoellinger , Daniel Breuninger , Markus Kraemer , Kai Thiele , Peter Van Den Abeel
发明人： Eckhard Stroefer , Heiner Schelling , Robert Reinhardt , Michael Zoellinger , Daniel Breuninger , Markus Kraemer , Kai Thiele , Peter Van Den Abeel
IPC分类号： C07C211/00 , C09B11/02
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The invention relates to a process for preparing methylenediphenyldiamine (MDA) by reacting formaldehyde and aniline in the presence of an acidic catalyst, wherein the oxygen content in the process for preparing MDA is
摘要翻译：本发明涉及一种在酸性催化剂存在下使甲醛和苯胺反应制备亚甲基二苯基二胺（MDA）的方法，其中基于该方法中存在的所有化合物，制备MDA的方法中的氧含量为<10000ppm。本发明还涉及MDA对亚甲基二苯基二异氰酸酯（MDI）的光气化。

59. 发明授权

US08546606B2 Method for producing polyisocyanates 失效
标题翻译：聚异氰酸酯的制造方法
公开(公告)号：US08546606B2
公开(公告)日：2013-10-01
申请号：US10546890
申请日：2004-02-20
申请人： Andreas Brodhagen , Martin Sohn , Filip Nevejans , Eckhard Stroefer , Andreas Woelfert , Steffen Oehlenschlaeger
发明人： Andreas Brodhagen , Martin Sohn , Filip Nevejans , Eckhard Stroefer , Andreas Woelfert , Steffen Oehlenschlaeger
IPC分类号： C07C249/00
CPC分类号： B01J19/242 , B01J19/243 , B01J2219/00166 , B01J2219/182 , B01J2219/185 , B01J2219/187 , C07C263/10 , C07C265/14
摘要： The invention relates to a process for preparing polyisocyanates by reacting primary amines with phosgene, which comprises the steps a) mixing the amine with the phosgene, b) reacting the amine with the phosgene in a residence reactor and, if desired, c) transferring the output from the reactor of step b) into a distillation column, wherein the residence reactor in step b) is configured as a tube reactor.
摘要翻译：本发明涉及通过使伯胺与光气反应制备多异氰酸酯的方法，其包括以下步骤：a）将胺与光气混合，b）使胺与光气在停留反应器中反应，如果需要，c）将从步骤b）的反应器输出到蒸馏塔中，其中步骤b）中的停留反应器被配置为管式反应器。

60. 发明授权

US08519179B2 Method of measuring entry of water into phosgene-conducting plants 有权
标题翻译：测量进入光气植物的水的方法
公开(公告)号：US08519179B2
公开(公告)日：2013-08-27
申请号：US13380357
申请日：2010-06-23
申请人： Heiner Schelling , Ulrich Penzel , Eckhard Stroefer , Dirk Hablawetz , Dave Beckwith , Kai Thiele , Johannes Jacobs , Matthias Eiermann , Uwe Storck , Jon S. Speier , Thomas Grzanka , William Portwood
发明人： Heiner Schelling , Ulrich Penzel , Eckhard Stroefer , Dirk Hablawetz , Dave Beckwith , Kai Thiele , Johannes Jacobs , Matthias Eiermann , Uwe Storck , Jon S. Speier , Thomas Grzanka , William Portwood
IPC分类号： C07C263/00
CPC分类号： B01J19/002 , B01J2219/00006 , B01J2219/00186 , B01J2219/00202 , B01J2219/00209 , C07C263/10 , C07C2601/14 , G01N17/00 , C07C265/14
摘要： The invention relates to a method of measuring entry of water and resulting corrosion in plants for producing isocyanates by reacting phosgene with one or more primary amines in a solvent. The invention further relates to an apparatus for producing such isocyanates, in the work-up section of which probes for monitoring corrosion are arranged in defined places.
摘要翻译：本发明涉及一种测量植物中水分进入和产生腐蚀的方法，用于通过光气与一种或多种伯胺在溶剂中反应制备异氰酸酯。本发明还涉及一种用于制造这种异氰酸酯的装置，在其上述检查部分中，用于监测腐蚀的探针被布置在限定的位置。

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