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1. 发明授权

US09233910B2 Process for purifying aniline from gas phase hydrogenations 有权
标题翻译：从气相氢化中纯化苯胺的方法
公开(公告)号：US09233910B2
公开(公告)日：2016-01-12
申请号：US13878190
申请日：2011-10-17
申请人： Peter Lehner , Knut Sommer , Amgad Salah Moussa
发明人： Peter Lehner , Knut Sommer , Amgad Salah Moussa
IPC分类号： C07C209/00 , C07C209/86 , C07C209/84
CPC分类号： C07C209/86 , C07C209/84 , C07C211/46
摘要： The invention relates to a process for purifying aniline produced by gas-phase hydrogenation of nitrobenzene, by fractional condensation of the crude reaction product obtained in gaseous form so that at least two liquid process products, a partial condensate (PK) and a total condensate (TK), are obtained.
摘要翻译：本发明涉及一种通过硝基苯的气相氢化制备的苯胺的纯化方法，通过以气态形式获得的粗反应产物的分级缩合，使得至少两种液体加工产物，部分冷凝物（PK）和总冷凝物 TK）。

2. 发明授权

US09067864B2 Process for producing aromatic amines 有权
标题翻译：生产芳香胺的方法
公开(公告)号：US09067864B2
公开(公告)日：2015-06-30
申请号：US11881014
申请日：2007-07-25
申请人： Knut Sommer , Ido Schwarz , Susanne Buchholz , Franz-Ulrich Von Gehlen , Andre Lago , Karl-Heinz Wilke , Holger Orzesek , Hans-Georg Pirkl , Peter Lehner , Stephan Schubert
发明人： Knut Sommer , Ido Schwarz , Susanne Buchholz , Franz-Ulrich Von Gehlen , Andre Lago , Karl-Heinz Wilke , Holger Orzesek , Hans-Georg Pirkl , Peter Lehner , Stephan Schubert
IPC分类号： C07C209/00 , C07C209/36
CPC分类号： C07C209/36 , Y02P20/128 , C07C211/46
摘要： Aromatic amines are produced by adiabatic hydrogenation of nitroaromatic compounds in the gas phase on one or more fixed catalysts. The nitroaromatic reactant is passed over the catalyst under pressure and at elevated temperature with hydrogen, water, optionally nitrogen and substantially in the absence of the aromatic amine produced from the nitroaromatic.
摘要翻译：芳族胺通过在一个或多个固定催化剂上的气相中的硝基芳族化合物的绝热氢化产生。硝基芳族反应物在压力和升高的温度下在氢气，水，任选的氮气和基本上不存在由硝基芳族化合物产生的芳族胺的情况下通过催化剂。

3. 发明申请

US20140046096A1 PROCESS FOR PURIFYING ANILINE FROM GAS PHASE HYDROGENATIONS 有权
标题翻译：从气相加氢中净化苯胺的方法
公开(公告)号：US20140046096A1
公开(公告)日：2014-02-13
申请号：US13878190
申请日：2011-10-17
申请人： Peter Lehner , Knut Sommer , Amgad Salah Moussa
发明人： Peter Lehner , Knut Sommer , Amgad Salah Moussa
IPC分类号： C07C209/86
CPC分类号： C07C209/86 , C07C209/84 , C07C211/46
摘要： The invention relates to a process for purifying aniline produced by gas-phase hydrogenation of nitrobenzene, by fractional condensation of the crude reaction product obtained in gaseous form so that at least two liquid process products, a partial condensate (PK) and a total condensate (TK), are obtained, wherein the condensation leading to the formation of PK is carried out at higher temperature than the temperature leading to the formation of TK, a product stream originating from PK and a product stream originating from TK are each passed separately from one another into a distillation column consisting of at least one stripping section and at least one rectifying section, wherein the product stream originating from PK is introduced into the lower section of the distillation column between the lowermost stripping section and the section which follows, and the product stream originating from TK is introduced into the top of the distillation column above the uppermost rectifying section, and the desired purified aniline is withdrawn in a side stream between the lowermost stripping section and the uppermost rectifying section of the distillation column.
摘要翻译：本发明涉及一种通过硝基苯的气相氢化制备的苯胺的纯化方法，通过以气态形式获得的粗反应产物的分级缩合，使得至少两种液体加工产物，部分冷凝物（PK）和总冷凝物 TK），其中导致形成PK的缩合物在比导致TK形成的温度更高的温度下进行，源自PK的产物流和源自TK的产物流分别从一个另一个进入由至少一个汽提部分和至少一个精馏部分组成的蒸馏塔，其中源自PK的产物物流被引入到最下面的汽提段和随后的部分之间的蒸馏塔的下部，产物源自TK的物流被引入到最上面整流部分上方的蒸馏塔的顶部 n，并且所需的纯化苯胺在蒸馏塔的最下部汽提部分和最上部精馏部分之间的侧流中排出。

4. 发明授权

US08563767B2 Method for producing isocyanates in the gas phase 有权
标题翻译：在气相中生产异氰酸酯的方法
公开(公告)号：US08563767B2
公开(公告)日：2013-10-22
申请号：US13382609
申请日：2010-06-26
申请人： Rainer Bruns , Wolfgang Lorenz , Knut Sommer
发明人： Rainer Bruns , Wolfgang Lorenz , Knut Sommer
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C265/14
摘要： An isocyanate is produced by continuously reacting an amine with phosgene in the presence of an inert substance in the gas phase. In this process, a phosgene-containing stream and a stream containing both the amine and the inert substance are fed into a reactor. The molar ratio of the inert substance to the amino groups in the stream is greater than 0 but less than 45 mol %. This molar ratio changes by no more than 99% during a 20 minute period.
摘要翻译：异氰酸酯是通过在气相中惰性物质存在下使胺与光气连续反应生成的。在该方法中，将含有光气的物流和含有胺和惰性物质的物流进料到反应器中。惰性物质与物流中氨基的摩尔比大于0但小于45摩尔％。该摩尔比在20分钟内变化不超过99％。

5. 发明申请

US20130327086A1 METHOD FOR THE SIMPLIFIED REMOVAL OF A REACTION PRODUCT FROM REACTION GAS MIXTURES USING AT LEAST TWO-FOLD PARTIAL CONDENSATION 审中-公开
标题翻译：使用至少两次部分冷凝从反应气体混合物中简化的反应产物的方法
公开(公告)号：US20130327086A1
公开(公告)日：2013-12-12
申请号：US13878534
申请日：2011-10-17
申请人： Amgad Salah Moussa , Peter Lehner , Knut Sommer
发明人： Amgad Salah Moussa , Peter Lehner , Knut Sommer
IPC分类号： C07C7/09
CPC分类号： C07C7/09 , B01D3/14 , B01D5/0036
摘要： The present invention relates to a process for simplified separation of a reaction product (P) from reaction gas mixtures by means of partial condensation of the reaction gas mixture consisting of the reaction product (P), at least one high boiler (H) and at least one low boiler (L).
摘要翻译：本发明涉及通过由反应产物（P），至少一个高锅炉（H）和至少一个高锅炉（H）组成的反应气体混合物的部分缩合来简化反应产物（P）与反应气体混合物的分离的方法，至少一个低锅炉（L）。

6. 发明申请

US20080234518A1 Process for producing aromatic amines 有权
标题翻译：生产芳香胺的方法
公开(公告)号：US20080234518A1
公开(公告)日：2008-09-25
申请号：US11881014
申请日：2007-07-25
申请人： Knut Sommer , Ido Schwarz , Susanne Buchholz , Franz-Ulrich Von Gehlen , Andre Lago , Karl-Heinz Wilke , Holger Orzesek , Hans-Georg Pirkl , Peter Lehner , Stephan Schubert
发明人： Knut Sommer , Ido Schwarz , Susanne Buchholz , Franz-Ulrich Von Gehlen , Andre Lago , Karl-Heinz Wilke , Holger Orzesek , Hans-Georg Pirkl , Peter Lehner , Stephan Schubert
IPC分类号： C07C209/36
CPC分类号： C07C209/36 , Y02P20/128 , C07C211/46
摘要： Aromatic amines are produced by adiabatic hydrogenation of nitroaromatic compounds in the gas phase on one or more fixed catalysts. The nitroaromatic reactant is passed over the catalyst under pressure and at elevated temperature with hydrogen, water, optionally nitrogen and substantially in the absence of the aromatic amine produced from the nitroaromatic.
摘要翻译：芳族胺通过在一个或多个固定催化剂上的气相中的硝基芳族化合物的绝热氢化产生。硝基芳族反应物在压力和升高的温度下在氢气，水，任选的氮气和基本上不存在由硝基芳族化合物产生的芳族胺的情况下通过催化剂。

7. 发明申请

US20090065347A1 Process for the purification of aromatic amines 失效
标题翻译：芳香胺纯化方法
公开(公告)号：US20090065347A1
公开(公告)日：2009-03-12
申请号：US12228722
申请日：2008-08-15
申请人： Knut Sommer , Franz-Ulrich Gehlen , Peter Lehner , Andre Dux , Benie Marotz
发明人： Knut Sommer , Franz-Ulrich Gehlen , Peter Lehner , Andre Dux , Benie Marotz
IPC分类号： B01D3/34
CPC分类号： C07C209/84 , C07C211/46
摘要： Aromatic amines which have been obtained by reduction of aromatic nitro compounds are purified by mixing the crude amine obtained after phase separation with an aqueous, alkali metal hydroxide solution and subsequent distillation of this mixture over a distillation column. The distillation column has at least an upper and a lower rectifying part and a stripping part. The bottom product of the distillation column is partly to completely sluiced out and is partly evaporated in a main evaporator and at least one downstream re-evaporator and partly recycled back into the column.
摘要翻译：通过将通过还原芳族硝基化合物获得的芳族胺通过将相分离后获得的粗胺与碱金属氢氧化物水溶液混合并随后通过蒸馏塔蒸馏该混合物来纯化。蒸馏塔至少具有上下精馏部和汽提部。蒸馏塔的底部部分部分地被完全排出，并在主蒸发器和至少一个下游再蒸发器中部分蒸发并部分地再循环回塔中。

8. 发明申请

US20080139850A1 Process for removing compounds containing phenolic hydroxy groups from aromatic amines 失效
标题翻译：从芳香胺除去含有酚羟基的化合物的方法
公开(公告)号：US20080139850A1
公开(公告)日：2008-06-12
申请号：US11982959
申请日：2007-11-06
申请人： Knut Sommer , Markus Dugal , Ido Schwarz , Stefan Wershofen , Peter Lehner , Stephan Schubert , Alexandra Grosse-Bowing
发明人： Knut Sommer , Markus Dugal , Ido Schwarz , Stefan Wershofen , Peter Lehner , Stephan Schubert , Alexandra Grosse-Bowing
IPC分类号： C07C209/82
CPC分类号： C07C209/84 , C07C209/36 , C07C211/46
摘要： Compounds containing phenolic hydroxy groups are removed from a gas stream which contains at least one aromatic amine generated during the gas-phase hydrogenation reaction of the corresponding nitroaromatic compounds with hydrogen, by adsorption on a basic solid.
摘要翻译：从含有至少一种在相应的硝基芳族化合物与氢的气相氢化反应过程中产生的至少一种芳族胺的气流中，除去碱性固体的化合物。

9. 发明授权

US09701617B2 Process for producing diamines and polyamines of the diphenylmethane series 有权
公开(公告)号：US09701617B2
公开(公告)日：2017-07-11
申请号：US12405287
申请日：2009-03-17
申请人： Stefan Wershofen , Heinz-Herbert Müller , Richard Adamson , Fritz Pohl , Knut Sommer
发明人： Stefan Wershofen , Heinz-Herbert Müller , Richard Adamson , Fritz Pohl , Knut Sommer
IPC分类号： C07C263/10 , C07C209/78
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The present invention relates to a process for producing diamines and polyamines of the diphenylmethane series (MDA) by reacting aniline and formaldehyde in the presence of an acid catalyst, wherein the aniline contains in total less than 0.5 wt. %, based on the total weight of aniline, of one or more compounds which contain at least one carbonyl group or of one or more compounds that are formed by reaction of these compounds which contain at least one carbonyl group with aniline.

10. 发明授权

US08455691B2 Process for the purification of aromatic amines 失效
公开(公告)号：US08455691B2
公开(公告)日：2013-06-04
申请号：US12228722
申请日：2008-08-15
申请人： Knut Sommer , Franz-Ulrich Gehlen , Peter Lehner , Andre Düx , Benie Marotz
发明人： Knut Sommer , Franz-Ulrich Gehlen , Peter Lehner , Andre Düx , Benie Marotz
IPC分类号： C07C211/00
CPC分类号： C07C209/84 , C07C211/46
摘要： Aromatic amines which have been obtained by reduction of aromatic nitro compounds are purified by mixing the crude amine obtained after phase separation with an aqueous, alkali metal hydroxide solution and subsequent distillation of this mixture over a distillation column. The distillation column has at least an upper and a lower rectifying part and a stripping part. The bottom product of the distillation column is partly to completely sluiced out and is partly evaporated in a main evaporator and at least one downstream re-evaporator and partly recycled back into the column.

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