专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06576788B1 METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX 有权
标题翻译：生产含二苯甲基二异氰酸酯的混合物的方法和含有减少的氯化二次产物和减少的碘颜色指数的聚苯乙烯 - 聚乙烯 - 聚异氰酸酯
公开(公告)号：US06576788B1
公开(公告)日：2003-06-10
申请号：US09673326
申请日：2000-10-13
申请人： Ulrich Penzel , Volker Scharr , Dieter Starosta , Hilmar Boesel , Eckhard Ströfer , Joachim Pfeffinger , Frank Poplow , Jürgen Dosch , Hans Volkmar Schwarz , Fritz Näumann , Peter van den Abeel , Jan Jacobs , Filip Nevejans , Willy van Pee
发明人： Ulrich Penzel , Volker Scharr , Dieter Starosta , Hilmar Boesel , Eckhard Ströfer , Joachim Pfeffinger , Frank Poplow , Jürgen Dosch , Hans Volkmar Schwarz , Fritz Näumann , Peter van den Abeel , Jan Jacobs , Filip Nevejans , Willy van Pee
IPC分类号： C07C24914
CPC分类号： C07C263/10 , C07C263/20 , C07C265/14
摘要： In a process for preparing mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced content of chlorinated by-products and a reduced iodine color number by two-stage reaction of the corresponding mixtures of diphenylmethanediamines and polyphenylpolymethylenepolyamines with phosgene in the presence of at least one inert organic solvent at elevated temperature, separation of the excess phosgene and solvent after the phosgenation is complete and thermal treatment of the reaction product, the mass ratios of phosgene to hydrogen chloride in the residence time apparatus of the second stage of the phosgenation are at the same time 10-30:1 in the liquid phase and 1-10:1 in the gas phase.
摘要翻译：在二氯甲烷二异氰酸酯和多苯基聚亚甲基多异氰酸酯的混合物的制备方法中，其中氯化副产物含量降低，碘色数降低，二苯基甲烷二胺与多苯基多亚甲基多胺与光气的相应混合物在至少一种惰性的存在下进行两步反应高温下的有机溶剂，光气化后过剩的光气和溶剂的分离完成，反应产物的热处理，光气化第二阶段的停留时间装置中光气与氯化氢的质量比相同时间为10-30：1，液相为1-10：1。

2. 发明授权

US08828267B2 Use of a stereoisomer mixture of diaminomethylcyclohexane as a hardener for epoxy resins 有权
标题翻译：使用二氨基甲基环己烷的立体异构体混合物作为环氧树脂的硬化剂
公开(公告)号：US08828267B2
公开(公告)日：2014-09-09
申请号：US13496993
申请日：2010-09-20
申请人： Joachim Pfeffinger , Daniela Malkowsky , Stephan Goettke
发明人： Joachim Pfeffinger , Daniela Malkowsky , Stephan Goettke
IPC分类号： C08G59/50 , C08L63/00 , C08L63/02 , C08L63/04
CPC分类号： C08G59/5026 , C08L63/00
摘要： The present invention provides a composition which comprises at least one epoxy resin and a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in very specific ratios relative to one another, a process for preparing the composition, the use of the composition for producing hardened epoxides, adhesives, composite materials and moldings, a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in the specific ratios, and the use of this mixture for producing the composition.
摘要翻译：本发明提供一种组合物，其包含至少一种环氧树脂和包含二氨基甲基环己烷的7种立体异构体的混合物，其相对于彼此具有非常特定的比例，制备该组合物的方法，该组合物用于生产硬化环氧化物，粘合剂，复合材料和模制品，以特定比例包含二氨基甲基环己烷的7种立体异构体的混合物，以及该混合物用于制备组合物的用途。

3. 发明申请

US20120245377A1 PROCESS FOR PREPARING ISOCYANATES BY THERMALLY CLEAVING CARBAMATES 有权
标题翻译：通过热清除碳酸钙制备异氰酸酯的方法
公开(公告)号：US20120245377A1
公开(公告)日：2012-09-27
申请号：US13513460
申请日：2010-11-30
申请人： Michael Bock , Eckhard Stroefer , Robert Baumann , Axel Franzke , Joachim Pfeffinger
发明人： Michael Bock , Eckhard Stroefer , Robert Baumann , Axel Franzke , Joachim Pfeffinger
IPC分类号： C07C263/04
CPC分类号： C07C263/04 , C07C265/14
摘要： A process is proposed for preparing isocyanates by thermally cleaving carbamates to obtain a carbamate cleavage gas comprising the corresponding isocyanate and the corresponding alcohol, which comprises quenching the carbamate cleavage gas in the presence of an ether which functions as an inhibitor for the reverse reaction of the isocyanate with the alcohol.
摘要翻译：提出了通过热裂解氨基甲酸酯制备异氰酸酯以获得包含相应的异氰酸酯和相应的醇的氨基甲酸酯裂解气体的方法，该方法包括在醚的存在下猝灭氨基甲酸酯裂解气体，该醚用作反应的反应的抑制剂异氰酸酯与醇。

4. 发明申请

US20110137083A1 CONTINUOUS METHOD AND REACTOR FOR HYDROGENATING ORGANIC COMPOUNDS 审中-公开
标题翻译：氢化有机化合物的连续方法和反应器
公开(公告)号：US20110137083A1
公开(公告)日：2011-06-09
申请号：US12994575
申请日：2009-05-20
申请人： Joachim Pfeffinger
发明人： Joachim Pfeffinger
IPC分类号： C07C211/35 , B01J19/26
CPC分类号： B01J4/002 , B01J8/025 , B01J8/226 , B01J8/228 , B01J19/246 , B01J19/2465 , B01J19/30 , B01J19/32 , B01J2219/00777 , C07C29/147 , C07C29/19 , C07C209/72 , C07C2601/14 , C07C211/36
摘要： The present invention relates to a continuous process for hydrogenating organic compounds in a polyphasic system in the presence of a homogeneous or heterogeneous catalyst, which comprises performing the process in two stages, the first stage being performed in a loop reactor with an external heat exchanger and the second stage in a bubble column reactor with limited backmixing.The present invention further relates to a hydrogenation reactor (1) in a tall cylindrical design comprising a concentric guide tube (2) arranged in the lower reaction region and a mixing nozzle (3) directed upward, through which reactants and reaction mixture can be supplied, a pump (4) and a heat exchanger (5), which are present in an external pump circulation system which leads from the reactor to the mixing pump, and with one or more gas- and liquid-permeable internals (10) mounted in the upper region of the reactor, where the ratio of total length to diameter of the hydrogenation reactor (1) is in the range from 5:1 to 100:1 and the ratio of the volume of the upper region of the reactor to the volume of the lower region of the reactor is from 0.05:1 to 10:1.
摘要翻译：本发明涉及一种用于在均相或多相催化剂存在下在多相体系中氢化有机化合物的连续方法，其包括在两个阶段中进行该过程，第一阶段在具有外部热交换器的环管反应器中进行，泡沫塔式反应器的第二阶段有限的回混。本发明还涉及一种具有高圆柱形设计的氢化反应器（1），其包括布置在下部反应区域中的同心引导管（2）和向上引导的混合喷嘴（3），从而可以提供反应物和反应混合物，存在于从反应器引导到混合泵的外部泵循环系统中的泵（4）和热交换器（5），以及安装在一个或多个气体和液体可透过的内部构件（10）中的泵反应器的上部区域，其中氢化反应器（1）的总长度与直径的比率在5:1至100:1的范围内，并且反应器的上部区域的体积与体积的比率的反应器的下部区域为0.05:1至10:1。

5. 发明授权

US08940250B2 Method of conveying liquids 有权
标题翻译：输送液体的方法
公开(公告)号：US08940250B2
公开(公告)日：2015-01-27
申请号：US13382740
申请日：2010-07-06
申请人： Joachim Pfeffinger , Willi Gilcher , Juergen Morell
发明人： Joachim Pfeffinger , Willi Gilcher , Juergen Morell
IPC分类号： B01L3/00 , F04B53/14 , F04B15/04 , F04B39/00 , F04B43/02 , F04F1/02 , F04F1/14 , F04F1/18
CPC分类号： F04B53/141 , F04B15/04 , F04B39/0011 , F04B43/02 , F04F1/02 , F04F1/14 , F04F1/18 , Y10T137/0318 , Y10T436/2575
摘要： The present invention relates to a method of continuously conveying a liquid which is used as starting material in a chemical reaction by means of a displacement pump having physically separate forward-transport valves and a liquid-filled bidirectional flow line between displacement pump and forward-transport valves, wherein an auxiliary liquid which is a product or a starting material of the chemical reaction and has a melting point which is below the melting point or below the saturation temperature of the liquid to be conveyed is present in the bidirectional flow line.The present invention additionally provides for the use of a product formed by hydrogenation of an aromatic compound as auxiliary liquid for conveying an aromatic compound and also the use of an alcohol or an ester derived from alcohol and carboxylic acid as auxiliary liquid for conveying carboxylic acids or carboxylic acid derivatives.
摘要翻译：本发明涉及一种连续输送液体的方法，该液体通过具有物理分离的前向输送阀的位移泵和位移泵与前进运输之间的液体填充双向流动管线在化学反应中用作原料阀，其中作为化学反应的产物或原料的辅助液体存在于双向流动管线中，所述辅助液体的熔点低于待输送的液体的熔点或低于饱和温度。本发明另外提供了通过芳族化合物氢化形成的产物作为用于输送芳族化合物的辅助液体的用途，还提供了使用来自醇和羧酸的醇或酯作为用于输送羧酸的辅助液体的用途，或羧酸衍生物。

6. 发明申请

US20120116099A1 METHOD OF CONVEYING LIQUIDS 有权
标题翻译：输送液体的方法
公开(公告)号：US20120116099A1
公开(公告)日：2012-05-10
申请号：US13382740
申请日：2010-07-06
申请人： Joachim Pfeffinger , Willi Gilcher , Juergen Morell
发明人： Joachim Pfeffinger , Willi Gilcher , Juergen Morell
IPC分类号： C07C209/72 , C07C29/20 , C07D307/89 , C07C51/36 , F17D3/00 , C07C211/36 , C07C35/21 , C07C61/08 , C07C31/00 , C07C69/00 , C07C209/48 , C07C67/08
CPC分类号： F04B53/141 , F04B15/04 , F04B39/0011 , F04B43/02 , F04F1/02 , F04F1/14 , F04F1/18 , Y10T137/0318 , Y10T436/2575
摘要： The present invention relates to a method of continuously conveying a liquid which is used as starting material in a chemical reaction by means of a displacement pump having physically separate forward-transport valves and a liquid-filled bidirectional flow line between displacement pump and forward-transport valves, wherein an auxiliary liquid which is a product or a starting material of the chemical reaction and has a melting point which is below the melting point or below the saturation temperature of the liquid to be conveyed is present in the bidirectional flow line.The present invention additionally provides for the use of a product formed by hydrogenation of an aromatic compound as auxiliary liquid for conveying an aromatic compound and also the use of an alcohol or an ester derived from alcohol and carboxylic acid as auxiliary liquid for conveying carboxylic acids or carboxylic acid derivatives.
摘要翻译：本发明涉及一种连续输送液体的方法，该液体通过具有物理分离的前向输送阀的位移泵和位移泵与前进运输之间的液体填充双向流动管线在化学反应中用作原料阀，其中作为化学反应的产物或原料的辅助液体存在于双向流动管线中，所述辅助液体的熔点低于待输送的液体的熔点或低于饱和温度的熔点。本发明另外提供了通过芳族化合物氢化形成的产物作为用于输送芳族化合物的辅助液体的用途，还提供了使用来自醇和羧酸的醇或酯作为用于输送羧酸的辅助液体的用途，或羧酸衍生物。

7. 发明授权

US08987517B2 Process for preparing cycloaliphatic amines 有权
标题翻译：脂环族胺的制备方法
公开(公告)号：US08987517B2
公开(公告)日：2015-03-24
申请号：US12863137
申请日：2009-01-14
申请人： Joachim Pfeffinger , Willi Doell
发明人： Joachim Pfeffinger , Willi Doell
IPC分类号： C07C211/35 , C07C211/36 , C08K5/14 , C07C209/72 , C07C211/44
CPC分类号： C08K5/14 , C07C209/72 , C07C211/44 , C07C2601/14 , C08K5/17 , Y02P20/582 , C07C211/35 , C07C211/36
摘要： A process for preparing cycloaliphatic amines by hydrogenating the corresponding aromatic compounds with hydrogen-comprising gas at a temperature of from 30 to 280° C. and a pressure of 50-350 bar, in the presence of ruthenium catalysts. The hydrogenation is performed in the presence of from 1% by weight to 500% by weight, based on the catalyst calculated as elemental ruthenium (Ru), of suspended inorganic additives, and to the use of the cycloaliphatic amines as a synthesis unit.
摘要翻译：在钌催化剂存在下，在30〜280℃的温度和50〜350巴的压力下，用含氢气体氢化相应的芳族化合物，制备环脂族胺的方法。基于以元素钌（Ru）计算的催化剂，悬浮的无机添加剂的1重量％至500重量％的存在，以及使用脂环族胺作为合成单元进行氢化。

8. 发明申请

US20120289747A1 CATALYSTS FOR THE HYDROGENATION OF AROMATIC AMINES 审中-公开
标题翻译：催化剂用于加氢芳族氨基酸
公开(公告)号：US20120289747A1
公开(公告)日：2012-11-15
申请号：US13468689
申请日：2012-05-10
申请人： Lucia Königsmann , Thomas Heidemann , Martin Bock , Joachim Pfeffinger , Benjamin Koch
发明人： Lucia Königsmann , Thomas Heidemann , Martin Bock , Joachim Pfeffinger , Benjamin Koch
IPC分类号： C07C209/72 , B01J21/08
CPC分类号： C07C209/72 , B01J21/08 , B01J23/462 , B01J35/0013 , B01J35/006 , B01J35/0066 , B01J35/1014 , B01J35/1019 , B01J35/1042 , B01J35/1047 , B01J37/0205 , B01J37/18 , C07C2601/14 , C07C211/35 , C07C211/36
摘要： The present invention relates to a catalyst comprising 4% by weight of ruthenium (Ru) or more and a support material comprising silicon dioxide, wherein the nitrogen content of the catalyst after the last drying or calcination is in the range from 1 to 3% by weight, and also catalyst precursors thereof. The present patent application further relates to a process for producing an Ru-comprising catalyst, which comprises the steps impregnation, drying, calcination and reduction. In addition, the present patent application relates to a process for hydrogenating organic substances in the presence of catalysts of the invention or catalysts produced according to the invention, and also a process for producing downstream products from cycloaliphatic amines prepared according to the invention.
摘要翻译：本发明涉及包含4重量％的钌（Ru）或更多的催化剂和包含二氧化硅的载体材料，其中在最后的干燥或煅烧之后的催化剂的氮含量在1至3％的范围内由重量，以及它们的催化剂前体。本专利申请还涉及一种制备含Ru催化剂的方法，该方法包括浸渍，干燥，煅烧和还原的步骤。此外，本专利申请涉及在本发明的催化剂或根据本发明制备的催化剂存在下氢化有机物的方法，以及由根据本发明制备的脂环族胺生产下游产物的方法。

9. 发明授权

US06790995B2 Preparation of primary and secondary amines from nitriles 失效
标题翻译：从腈制备伯胺和仲胺
公开(公告)号：US06790995B2
公开(公告)日：2004-09-14
申请号：US10033912
申请日：2002-01-03
申请人： Joachim Pfeffinger , Michael Hüllmann , Arthur Höhn , Frank Funke , Frank Ohlbach , Till Gerlach
发明人： Joachim Pfeffinger , Michael Hüllmann , Arthur Höhn , Frank Funke , Frank Ohlbach , Till Gerlach
IPC分类号： C07C20948
CPC分类号： C07C213/02 , C07C209/48 , C07C211/11 , C07C215/08
摘要： Mixtures of primary amines of the formula (I) X—CH2—NH2 (I) and secondary amines of the formula (II) (X—CH2—)2NH (II) where X is C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycloalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino. C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl are prepared by reacting nitriles of the formula (III) X—CN (III) with hydrogen at from 50 to 250° C. and pressures of from 5 to 350 bar in the presence of a Pd-containing catalyst comprising, based on the total weight of the catalyst, from 0.1 to 10% by weight of Pd on a support.
摘要翻译：式（I）的伯胺和式（II）的仲胺的混合物，其中X是可以未被取代或被C 1-20烷基取代的C 1-20 - 烷基，C 2-20 - 烯基或C 3-8 - 环烷基，C 3-8 - 环烷基，C 4-20 - 烷基环烷基，C 4-20 - 环烷基烷基，C 2-20烷氧基烷基，C 6-14 - 芳基，C 7-20 - 烷基芳基，C 7-20 - 芳烷基，C 1-20 - 烷氧基，羟基，C 1-20羟烷基，氨基，C 1-20烷基氨基，C 2-20 - 二烷基氨基，C 2-12 - 烯基氨基。 C 3-8 - 环烷基氨基，芳基氨基，二芳基氨基，芳基-C 1-8 - 烷基氨基，卤素，巯基，C 2-20 - 烯氧基，C 3-8 - 环烷氧基，芳氧基和/或C 2-8烷氧基羰基，（III）与氢气在50-250℃下反应，压力为5-350巴，在含Pd催化剂的存在下，基于催化剂的总重量计，为0.1-10重量％的Pd 在支持上。

10. 发明授权

US06525223B2 Preparation of secondary amines from nitriles 失效
标题翻译：从腈制备仲胺
公开(公告)号：US06525223B2
公开(公告)日：2003-02-25
申请号：US10026900
申请日：2001-12-27
申请人： Joachim Pfeffinger , Michael Hüllmann , Arthur Höhn , Frank Funke , Frank Ohlbach , Till Gerlach
发明人： Joachim Pfeffinger , Michael Hüllmann , Arthur Höhn , Frank Funke , Frank Ohlbach , Till Gerlach
IPC分类号： C07C20948
CPC分类号： C07C209/48 , C07C211/11
摘要： Secondary amines of the formula (II) (X—CH2—)2NH (II) where X is a C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl group which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycoalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino, C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl, are prepared by reacting nitriles of the formula (III) X—CN (III) with hydrogen at from 20 to 250° C. and pressures of from 60 to 350 bar in the presence of an Rh-containing catalyst comprising from 0.1 to 5% by weight, based on the total weight of the catalyst, of Rh on a support to give mixtures of primary amines of the formula (I) X—CH2—NH2 (I) and secondary amines of the formula (II) (X—CH2—)2NH (II) and returning at least part of the primary amines separated from the mixtures obtained to the reaction.
摘要翻译：式（II）的仲胺，其中X是可以是未取代的或被C 1-20 - 烷基，C 3-8 - 环烷基，C 4 -C 18环烷基，C 3-8 - C 20-20烷基烷基，C 2-20 - 烷氧基烷基，C 6-14 - 芳基，C 7-20 - 烷基芳基，C 7-20 - 芳烷基，C 1-20 - 烷氧基，羟基，C 1-20 - 羟基烷基，氨基， C 1-20 - 烷基氨基，C 2-20 - 二烷基氨基，C 2-12 - 烯基氨基，C 3-8 - 环烷基氨基，芳基氨基，二芳基氨基，芳基-C 1-8 - 烷基氨基，卤素，巯基，C 2-20 - 烯氧基，环烷氧基，芳氧基和/或C 2-8 - 烷氧基羰基，通过在含Rh的催化剂存在下，使式（III）的腈与20至250℃的压力和60至350巴的压力反应来制备包含基于催化剂总重量的0.1至5重量％的Rh在载体上以得到式（I）的伯胺和式（II）的仲胺的混合物，并使至少部分从获得的混合物中分离出伯胺反应。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式