公开(公告)号：US07217818B2

公开(公告)日：2007-05-15

申请号：US10534802

申请日：2003-11-11

Applicant: Rolf-Hartmuth Fischer ,  Hermann Luyken ,  Andreas Ansmann ,  Peter Bassler ,  Christoph Benisch ,  Stefan Maixner ,  Johann-Peter Melder

Inventor： Rolf-Hartmuth Fischer ,  Hermann Luyken ,  Andreas Ansmann ,  Peter Bassler ,  Christoph Benisch ,  Stefan Maixner ,  Johann-Peter Melder

IPC: C07D201/16

CPC classification number: C07D201/16 ,  C07D201/08

Abstract: A process for removing high boilers from crude caprolactam which comprises high boilers, caprolactam and in some cases low boilers, and which has been obtained by a) reacting 6-aminocapronitrile with water to give a reaction mixture b) removing ammonia and unconverted water from the reaction mixture to obtain crude caprolactam, which comprises c) feeding the crude caprolactam to a distillation apparatus to obtain a first substream via the top as a product and a second substream via the bottom, by setting the pressure in the distillation in such a way that the bottom temperature does not go below 170° C., and adjusting the second substream in such a way that the caprolactam content of the second substream is not less than 10% by weight, based on the entire second substream.

Abstract translation: 一种从粗己内酰胺中除去高锅炉的方法，其包括高锅炉，己内酰胺，在某些情况下是低锅炉，并且通过以下方法获得：a）使6-氨基己腈与水反应得到反应混合物; b）除去氨和未转化的水 反应混合物以获得粗己内酰胺，其包括c）将粗己内酰胺加入到蒸馏装置中，通过顶部获得第一子流作为产物，通过底部通过设置第二子流，通过将蒸馏中的压力设定为使得 底部温度不低于170℃，并且调节第二子流，使得第二子流的己内酰胺含量基于整个第二子流不小于10重量％。

公开(公告)号：US07217679B2

公开(公告)日：2007-05-15

申请号：US10433008

申请日：2001-12-07

Applicant: Holger Borchert ,  Stephan Schlitter ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Frank Stein ,  Ralf-Thomas Rahn ,  Alexander Weck

Inventor： Holger Borchert ,  Stephan Schlitter ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Frank Stein ,  Ralf-Thomas Rahn ,  Alexander Weck

IPC: B01J37/02

CPC classification number: C07D307/33 ,  B01J23/72 ,  B01J23/76 ,  B01J23/80 ,  B01J23/8926 ,  B01J37/0215 ,  B01J37/0223 ,  C07D307/08 ,  C07D315/00

Abstract: A catalyst for the hydrogenation of C4-dicarboxylic acids and/or their derivatives, preferably maleic anhydride, in the gas phase comprises from 5 to 100% by weight, preferably from 40 to 90% by weight, of copper oxide and from 0 to 95% by weight, preferably from 10 to 60% by weight, of one or more metals or compounds thereof selected from the group consisting of Al, Si, Zn, Pd, La, Ce, the elements of groups III A to VIII A and groups I A and II A as active composition applied in the form of a thin layer to an inert support material.

Abstract translation: 在气相中用于氢化C 4 - 二羧酸和/或其衍生物，优选马来酸酐的催化剂包含5至100重量％，优选40至90重量％ 的氧化铜和0至95重量％，优选10至60重量％的一种或多种选自Al，Si，Zn，Pd，La，Ce的金属或其化合物，其元素为 作为活性组合物，将IIIA至VIIIA族和IAA和IIA族作为以薄层形式施用于惰性载体材料的活性组合物。

公开(公告)号：US07172989B2

公开(公告)日：2007-02-06

申请号：US11104408

申请日：2005-04-13

Applicant: Rolf-Hartmuth Fischer ,  Rolf Pinkos ,  Stephan Andreas Schunk ,  Joachim Wulff-Döring ,  Frank Stein ,  Thomas Nöbel ,  Sylvia Huber

Inventor： Rolf-Hartmuth Fischer ,  Rolf Pinkos ,  Stephan Andreas Schunk ,  Joachim Wulff-Döring ,  Frank Stein ,  Thomas Nöbel ,  Sylvia Huber

IPC: B01J23/42 ,  B01J21/18 ,  B01J23/36

CPC classification number: C07C29/177 ,  B01J21/18 ,  B01J23/6567 ,  B01J23/8986 ,  C07C2601/20 ,  C07C31/207 ,  C07C31/20 ,  C07C31/133

Abstract: In a process for preparing alcohols by catalytic hydrogenation of carbonyl compounds over a catalyst comprising rhenium on activated carbon, the catalyst used comprises rhenium (calculated as metal) in a weight ratio to the activated carbon of from 0.0001 to 0.5, platinum (calculated as metal) in a weight ratio to the activated carbon of from 0.0001 to 0.5 and, if appropriate, at least one further metal selected from among Zn, Cu, Ag, Au, Ni, Fe, Ru, Mn, Cr, Mo, W and V in a weight ratio to the activated carbon of from 0 to 0.25, and the activated carbon has been nonoxidatively pretreated. It is also possible to prepare ethers and lactones if the hydrogen pressure is not more than 25 bar. In this case, the activated carbon in the catalyst may also have been nonoxidatively pretreated.

Abstract translation: 在通过羰基化合物催化氢化羰基化合物的方法中，所用的催化剂包括铼在活性炭上的催化剂，所用的催化剂包括铼（以金属计）与活性炭的重量比为0.0001至0.5，铂（以金属计算 ），活性炭的重量比为0.0001〜0.5，如果合适，选自Zn，Cu，Ag，Au，Ni，Fe，Ru，Mn，Cr，Mo，W和V中的至少一种以上的金属 活性炭的重量比为0至0.25，并且活性炭已经被非氧化预处理。 如果氢气压力不超过25巴，也可制备醚和内酯。 在这种情况下，催化剂中的活性炭也可以被非氧化预处理。

公开(公告)号：US20060052239A1

公开(公告)日：2006-03-09

申请号：US10534621

申请日：2003-11-06

Applicant: Markus Schubert ,  Michael Hesse ,  Rolf-Hartmuth Fischer ,  Take Constantinescu

Inventor： Markus Schubert ,  Michael Hesse ,  Rolf-Hartmuth Fischer ,  Take Constantinescu

IPC: B01J27/24 ,  C07D305/12 ,  C07D307/02

CPC classification number: C07D307/33 ,  B01J21/18 ,  B01J23/007 ,  B01J23/6567 ,  B01J23/688 ,  B01J23/84 ,  B01J23/8896 ,  B01J35/002 ,  B01J37/0213 ,  C07D307/08 ,  C07D315/00 ,  Y10S502/506 ,  Y10S502/512

Abstract: The present invention provides a process for hydrogenating carbonyl compounds, in particular C4-dicarboxylic acids to mixtures of tetrahydrofuran and gamma-butyrolactone, over supported rhenium catalysts, wherein rhenium and at least one further metal of groups VIII or Ib of the Periodic Table of the Elements, in particular ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), platinum (Pt), copper (Cu), silver (Ag) or cobalt (Co), is applied to the support in the form of at least one bimetallic precursor compound, and also to these catalysts.

Abstract translation: 本发明提供了一种将羰基化合物，特别是C 4 - 二羧酸氢化成四氢呋喃和γ-丁内酯的混合物在负载的铼催化剂上的方法，其中铼和至少一种另外的VIII族金属 或铑（Ru），铑（Rh），钯（Pd），锇（Os），铱（Ir），铂（Pt），铜（Cu），银（Ag ）或钴（Co）以至少一种双金属前体化合物的形式施用于载体，以及这些催化剂。

公开(公告)号：US20060014988A1

公开(公告)日：2006-01-19

申请号：US10537829

申请日：2003-12-03

Applicant: Rolf-Hartmuth Fischer ,  Thomas Krug ,  Andrea Haunert ,  Michael Roper ,  Tilman Sirch ,  Wolfram Stuer

Inventor： Rolf-Hartmuth Fischer ,  Thomas Krug ,  Andrea Haunert ,  Michael Roper ,  Tilman Sirch ,  Wolfram Stuer

IPC: C07C35/08

CPC classification number: C07C29/177 ,  C07C31/20

Abstract: The present invention provides a process for preparing 1,6-hexanediol having a purity of ≧99.5% by weight by catalytically dimerizing acrylic esters and catalytically hydrogenating the hexenedioic diesters obtained in this way to 1,6-hexanediol by a) dimerizing C1- to C8-acrylic esters in the presence of at least one rhodium compound to give mixtures of predominantly 2- and 3-hexenedioic diesters, b) hydrogenating the resulting dimerizing effluent in the presence of chromium-free catalysts comprising predominantly copper as the hydrogenation component and c) purifying the crude 1,6-hexanediol obtained in this way by fractional distillation.

Abstract translation: 本发明提供了一种通过催化二聚丙烯酸酯制备纯度> 99.5％（重量）的1,6-己二醇的方法，并将以这种方式获得的己二酸二酯催化氢化， 在至少一种铑化合物的存在下加入到C 8 - 丙烯酸酯中，得到主要为2-和3-己烯二酸二酯的混合物，b）将得到的二聚流出物 在主要含有铜作为氢化组分的无铬催化剂的存在下，和c）通过分馏纯化以这种方式得到的粗制1,6-己二醇。

公开(公告)号：US06896772B2

公开(公告)日：2005-05-24

申请号：US10297051

申请日：2001-06-02

Applicant: Hermann Luyken ,  Frank Ohlbach ,  Stefan Maixner ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Andreas Ansmann

Inventor： Hermann Luyken ,  Frank Ohlbach ,  Stefan Maixner ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Andreas Ansmann

IPC: C07D223/10 ,  B01D3/00 ,  C01C1/10 ,  C07D201/08 ,  C07D201/16 ,  B01D5/00 ,  C01C1/00

CPC classification number: C01C1/10 ,  C07D201/08 ,  C07D201/16

Abstract: A process for distillative removal of ammonia from solutions (I) which include a lactam and ammonia comprises effecting said removal in a distillation apparatus (a) at an absolute pressure of less than 10 bar.

Abstract translation: 从包括内酰胺和氨的溶液（I）中蒸馏除去氨的方法包括在绝对压力小于10巴的蒸馏装置（a）中进行所述除去。

公开(公告)号：US06831182B2

公开(公告)日：2004-12-14

申请号：US10433424

申请日：2003-06-04

Applicant: Holger Borchert ,  Stephan Schlitter ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Frank Stein ,  Ralf-Thomas Rahn ,  Alexander Weck ,  Gerd Kaibel

Inventor： Holger Borchert ,  Stephan Schlitter ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Frank Stein ,  Ralf-Thomas Rahn ,  Alexander Weck ,  Gerd Kaibel

IPC: C07D30708

CPC classification number: C07D307/08

Abstract: The present invention relates to a process for the gas-phase hydrogenation of C4-dicarboxylic acids and/or their derivatives over a catalyst based on copper oxide to give substituted or unsubstituted &ggr;-butyrolactone and/or tetrahydrofuran, which comprises, which a first reaction zone in which the C4-dicarboxylic acid and/or its derivatives is/are reacted to give a mixture comprising a substituted or unsubstituted &ggr;-butyrolactone as main product and a subsequent second reaction zone in which the substituted or unsubstituted &ggr;-butyrolactone present in the mixture from the first hydrogenation step is reacted at a temperature lower than the temperature in the first hydrogenation step to give substituted or unsubstituted tetrahydrofuran.

公开(公告)号：US06683179B2

公开(公告)日：2004-01-27

申请号：US10258941

申请日：2002-10-29

Applicant: Peter Bassler ,  Dieter Baumann ,  Rolf-Hartmuth Fischer ,  Eberhard Fuchs ,  Johann-Peter Melder ,  Frank Ohlbach

Inventor： Peter Bassler ,  Dieter Baumann ,  Rolf-Hartmuth Fischer ,  Eberhard Fuchs ,  Johann-Peter Melder ,  Frank Ohlbach

IPC: C07D20108

CPC classification number: C07D201/08

Abstract: A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the gas phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

Abstract translation: 提供了制备己内酰胺的方法，其中a）含有6-氨基己腈和水的混合物（I）在催化剂存在下在气相中反应，得到含己内酰胺，氨，水的混合物（II） ，高沸点组分和低沸点组分，b）然后从混合物（II）中除去氨，得到含有己内酰胺，水，高沸点组分和低沸点组分的混合物（III），c）然后将水 从混合物（III）中除去，得到含有己内酰胺，高沸点组分和低沸点组分的混合物（IV），然后通过结晶从混合物（IV）获得含有己内酰胺的固体（V），比例 的固体（V）中的己内酰胺的量大于混合物（IV）中的。

公开(公告)号：US06677449B2

公开(公告)日：2004-01-13

申请号：US10258942

申请日：2002-10-29

Applicant: Peter Bassler ,  Dieter Baumann ,  Rolf-Hartmuth Fischer ,  Eberhard Fuchs ,  Johann-Peter Melder ,  Frank Ohlbach

Inventor： Peter Bassler ,  Dieter Baumann ,  Rolf-Hartmuth Fischer ,  Eberhard Fuchs ,  Johann-Peter Melder ,  Frank Ohlbach

IPC: C07D20102

CPC classification number: C07D201/08 ,  C07D201/16

Abstract: A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the liquid phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

Abstract translation: 提供了制备己内酰胺的方法，其中a）含有6-氨基己腈和水的混合物（I）在液相中在催化剂存在下反应，得到含有己内酰胺，氨，水的混合物（II） ，高沸点组分和低沸点组分，b）然后从混合物（II）中除去氨，得到含有己内酰胺，水，高沸点组分和低沸点组分的混合物（III），c）然后将水 从混合物（III）中除去，得到含有己内酰胺，高沸点组分和低沸点组分的混合物（IV），然后通过结晶从混合物（IV）获得含有己内酰胺的固体（V），比例 的固体（V）中的己内酰胺的量大于混合物（IV）中的。

公开(公告)号：US06426438B1

公开(公告)日：2002-07-30

申请号：US09529808

申请日：2000-04-20

Applicant: Rolf Hartmuth Fischer ,  Rolf Pinkos ,  Frank Stein

Inventor： Rolf Hartmuth Fischer ,  Rolf Pinkos ,  Frank Stein

IPC: C07C2700

CPC classification number: C07C51/367 ,  C07C29/149 ,  C07C29/80 ,  C07C67/31 ,  Y02P20/582 ,  C07C59/01 ,  C07C69/675 ,  C07C31/20

Abstract: A process for the preparation of 1,6-hexanediol and 6-hydroxycaproic acid or esters thereof by catalytic hydrogenation of adipic acid, adipic acid monoesters or adipic acid diesters or streams of starting material which contain adipic acid or esters thereof as essential constituents, in which the bottom product obtained in the distillation of the hydrogenation product, following removal of the hexanediol and hydroxycaproic acid or esters thereof, and essentially comprises oligomeric esters of 6-hydroxycaproic acid, is recycled to the hydrogenation, and the resulting mixture of starting material and recycle stream is reacted at from 100 to 300°C., at from 10 to 300 bar in the liquid phase and at a molar ratio of carboxyl groups to be hydrogenated to hydrogen in the reactor of from 1:5 to 1:100 on hydrogenation catalysts is described.

Abstract translation: 通过己二酸，己二酸单酯或己二酸二酯或含有己二酸或其酯作为必需组分的原料物流的催化氢化制备1,6-己二醇和6-羟基己酸或其酯的方法， 在蒸馏氢化产物后获得的底部产物，除去己二醇和羟基己酸或其酯，并且基本上包含6-羟基己酸的低聚酯，再循环到氢化中，并将所得的起始材料和 循环流在100-300℃下，在液相中以10-300巴的比例反应，并且在氢化反应器中在氢化至氢的摩尔比为1:5至1:100的羧基摩尔比 描述了催化剂。