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

US4906769A Isomerization of 2-pentenoates to 3-pentenoates 失效
标题翻译： 2-戊烯酸酯异构化为3-戊烯酸酯
公开(公告)号：US4906769A
公开(公告)日：1990-03-06
申请号：US333954
申请日：1989-04-06
申请人： Rolf Fischer , Franz Merger , Hans-Juergen Gosch
发明人： Rolf Fischer , Franz Merger , Hans-Juergen Gosch
IPC分类号： B01J31/02 , B01J31/00 , C07B61/00 , C07C67/333 , C07C69/52 , C07C69/533 , C07C69/593
CPC分类号： C07C69/52
摘要： 3-pentenoates are prepared by isomerization of 2-pentenoates to 3-pentenoates by a process in which the 2-pentenoate is treated with from 0.01 to 0.5 mole of cyclic tertiary amine having a pK.sub.a of >6 per mold of 2-pentenoate at from 50.degree. to 250.degree. C. and the 3-pentenoate is distilled off continuously.

2. 发明授权

US4874889A Isomerization of 2-pentenoates to 3-pentenoates 失效
标题翻译： 2-戊烯酸酯异构化为3-戊烯酸酯
公开(公告)号：US4874889A
公开(公告)日：1989-10-17
申请号：US122941
申请日：1987-11-18
申请人： Rolf Fischer , Franz Merger , Hans-Juergen Gosch
发明人： Rolf Fischer , Franz Merger , Hans-Juergen Gosch
IPC分类号： B01J31/02 , B01J31/00 , C07B61/00 , C07C67/333 , C07C69/52 , C07C69/533 , C07C69/593
CPC分类号： C07C69/52
摘要： 3-Pentenoates are prepared by isomerization of 2-pentenoates to 3-pentenoates by a process in which the 2-pentenoate is treaated with from 0.01 to 0.5 mole of cyclic tertiary amine having a pK.sub.a of >6 per mole of 2-pentenoate at from 50.degree. to 250.degree. C. and the 3-pentenoate is distilled off continuously.
摘要翻译： 3-戊烯酸酯通过2-戊烯酸酯异构化制备成3-戊烯酸酯，其中2-戊烯酸酯与0.01至0.5摩尔每摩尔2-戊烯酸酯具有pKa> 6的环状叔胺， 50℃至250℃，并连续蒸馏除去3-戊烯酸甲酯。

3. 发明授权

US4990692A Removal of cyclohexanol 失效
标题翻译：去除环己醇
公开(公告)号：US4990692A
公开(公告)日：1991-02-05
申请号：US383058
申请日：1989-07-21
申请人： Hans-Juergen Gosch , Rolf Fischer
发明人： Hans-Juergen Gosch , Rolf Fischer
IPC分类号： B01D11/04 , C07C29/86 , C07C35/08
CPC分类号： C07C29/86 , C07C2101/14
摘要： Cyclohexanol is removed from aqueous solutions containing it and aromatic sulfonic acids by extraction with one or more cyclohexyl ethers liquid under extraction conditions and having the formula ##STR1## where R is alkyl of from 1 to 16 catbon atoms, cycloalkyl of from 5 to 8 carbon atoms, aralkyl of from 7 to 10 carbon atoms or phenyl, which may additionally have substituents which are inert under reaction conditions.
摘要翻译：通过在萃取条件下用一种或多种环己基醚液体萃取，并且具有式（I）其中R是1至16个碳原子的烷基，5至8个的环烷基，其中R 1是含有它的水溶液和芳香族磺酸的环己醇碳原子，7至10个碳原子的芳烷基或苯基，其可另外具有在反应条件下为惰性的取代基。

4. 发明授权

US5073650A Preparation of 1,4-butanediol 失效
标题翻译： 1,4-丁二醇的制备
公开(公告)号：US5073650A
公开(公告)日：1991-12-17
申请号：US672671
申请日：1991-03-20
申请人： Uwe Stabel , Hans-Juergen Gosch , Rolf Fischer , Wolfgang Harder , Claus Hechler
发明人： Uwe Stabel , Hans-Juergen Gosch , Rolf Fischer , Wolfgang Harder , Claus Hechler
IPC分类号： B01J23/889 , B01J23/75 , C07B61/00 , C07C29/149 , C07C29/17 , C07C31/20
CPC分类号： C07C29/177
摘要： A process for the preparation of 1,4-butanediol by catalytically hydrogenating maleic anhydride in the presence of an alcohol, at elevated temperature and elevated pressure and with the aid of a cobalt-containing catalyst comprises partially hydrogenating the reaction mixture in a first hydrogenation step at from 100.degree. to 200.degree. C. and at from 30 to 200 bar and subsequently post-hydrogenating the product of this first hydrogenation step, without further work-up at higher temperature and pressure than in the first hydrogenation step, in a second hydrogenation step at from 200.degree. to 300.degree. C. and at from 200 to 350 bar.
摘要翻译：通过在醇的存在下，在升高的温度和升高的压力下并借助含钴催化剂催化氢化马来酸酐来制备1,4-丁二醇的方法包括在第一氢化步骤中部分氢化反应混合物在100至200℃和30至200巴条件下，随后在第二加氢步骤中将第一氢化步骤的产物后氢化，而不需要在比第一加氢步骤更高的温度和压力下进一步处理。步骤为200〜300℃，200〜350巴。

5. 发明授权

US4982018A Removal of cyclohexanol from aqueous solutions containing it and aromatic sulfonic acids 失效
标题翻译：从含有它的水溶液和芳族磺酸中除去环己醇
公开(公告)号：US4982018A
公开(公告)日：1991-01-01
申请号：US400530
申请日：1989-08-30
申请人： Hans-Juergen Gosch , Rolf Fischer , Hermann Luyken
发明人： Hans-Juergen Gosch , Rolf Fischer , Hermann Luyken
IPC分类号： B01J31/34 , C07B61/00 , C07C27/00 , C07C29/04 , C07C29/80 , C07C29/84 , C07C35/08 , C07C67/00
CPC分类号： C07C29/80 , C07C2101/14
摘要： Cyclohexanol is removed from aqueous solutions containing it and aromatic sulfonic acids, obtained by hydrating cyclohexene in aqueous solutions of aromatic sulfonic acids at elevated temperatures and subsequent removal of excess cyclohexene, by(a) feeding the aqueous solution which contains the cyclohexanol and the aromatic sulfonic acid into the upper third of a first column and from 1 to 50 parts by weight of steam per part by weight of cyclohexanol into the bottom third of the column, withdrawing at the top of the column a vapor which consists essentially of cyclohexanol, cyclohexene and water, and obtaining as a bottom product an aqueous solution of the aromatic sulfonic acid,(b) condensing the vapor which consists essentially of cyclohexanol, cyclohexene and water and(b1) obtaining a cyclohexanol-rich phase and(b2) an aqueous phase,(c) utilizing the aqueous phase (b2) for generating the steam required in stage (a) and any remainder for the hydration of cyclohexene, and(d) distilling off from the cyclohexanol-rich phase (b1) in a second column a mixture of cyclohexene and water with or without cyclohexanol as top product, leaving cyclohexanol as bottom product.
摘要翻译：通过（a）将含有环己醇和芳香族磺酸的水溶液进料，将环己醇从含有它的水溶液和芳族磺酸中除去，通过在高温下将环己烯在芳族磺酸的水溶液中水合并随后除去过量的环己烯而得到酸进入第一塔的上三分之一，并且每重量份1至50重量份的环己醇的环己醇至塔的底部三分之一，在塔的顶部抽出基本上由环己醇，环己烯和水，并且作为底部产物获得芳族磺酸的水溶液，（b）使基本上由环己醇，环己烯和水组成的蒸气冷凝，和（b1）获得富含环己醇的相和（b2）水相，（c）使用水相（b2）产生阶段（a）中所需的蒸汽和用于环己烯水合的任何剩余物，和（d）d 在第二列中从环己醇富含相（b1）中除去环己醇和水的混合物，其中有或没有环己醇作为顶部产物，留下环己醇作为底部产物。

6. 发明授权

US4940805A Preparation of 1,4-butanediol or tetrahydrofuran or both 失效
标题翻译： 1,4-丁二醇或四氢呋喃或二者的制备
公开(公告)号：US4940805A
公开(公告)日：1990-07-10
申请号：US230015
申请日：1988-08-08
申请人： Rolf Fischer , Hans-Juergen Gosch , Wolfgang Harder , Klaus-Dieter Malsch , Manfred Eggersdorfer , Lothar Franz , Horst Zimmermann , Karl Brenner , Klaus Halbritter , Wolfgang Sauer , Hans-Juergen Scheiper
发明人： Rolf Fischer , Hans-Juergen Gosch , Wolfgang Harder , Klaus-Dieter Malsch , Manfred Eggersdorfer , Lothar Franz , Horst Zimmermann , Karl Brenner , Klaus Halbritter , Wolfgang Sauer , Hans-Juergen Scheiper
IPC分类号： B01J27/18 , B01J27/19 , C07B61/00 , C07C27/00 , C07C29/136 , C07C29/147 , C07C29/149 , C07C29/17 , C07C29/56 , C07C31/20 , C07C67/00 , C07D307/08
CPC分类号： C07D307/08 , C07C29/177
摘要： Process for the preparation of 1,4-butanediol or tetrahydrofuran or both by the catalytic hydrogenation of maleic anhydride, succinic anhydride, maleic acid, succinic acid, fumaric acid, or the alkyl esters of these acids at temperatures of from 100.degree. C. to 350.degree. C. and pressures of from 50 bar to 350 bar over a catalyst containing cobalt as the active metal and one or both of the elements copper and phosphorus, if necessary in the presence of an aliphatic alcohol.
摘要翻译：通过马来酸酐，琥珀酸酐，马来酸，琥珀酸，富马酸或这些酸的烷基酯的催化氢化制备1,4-丁二醇或四氢呋喃或二者的方法，温度为100℃至 350℃，并且在含有钴作为活性金属的催化剂和一种或两种元素铜和磷的催化剂中，如果需要，在脂族醇的存在下，压力为50巴至350巴。

7. 发明授权

US5342488A Separation of 1,4-butanediol from hydrogenation mixtures 失效
标题翻译：从氢化混合物中分离出1,4-丁二醇
公开(公告)号：US5342488A
公开(公告)日：1994-08-30
申请号：US18496
申请日：1993-02-17
申请人： Hans-Juergen Gosch , Harald Rust , Rolf Fischer , Claus Hechler , Rolf Pinkos
发明人： Hans-Juergen Gosch , Harald Rust , Rolf Fischer , Claus Hechler , Rolf Pinkos
IPC分类号： C07C29/80 , C07C29/82 , C07C31/20 , B01D3/00 , C07C27/00
CPC分类号： C07C29/80 , Y10S203/20
摘要： A process for the separation of 1,4-butanediol from mixtures obtained by the catalytic hydrogenation of maleates, fumarates, and/or succinates, which also contain tetrahydrofuran, water, C.sub.1 -C.sub.4 alcohols, succinic diesters, hydroxybutyrates, alkylhydroxyalkyl succinates, gamma-butyrolactone and butyrates, in addition to 1,4-butanediol, comprising the following steps:a) separating, in a first column having an actual number of plates of from 20 to 70 and operated at a top pressure of from 50 to 1100 mbar and preferably from 50 to 500 mbar and a top temperature of from 40.degree. to 120.degree. C., alcohol, water and tetrahydrofuran, as overhead product,b) feeding the bottom product of the first column into a second column having an actual number of plates of from 30 to 90 and withdrawing the overhead product consisting of alcohol and butyrate and obtained at a top pressure of from 45 to 250 mbar and a top temperature of from 45.degree. to 120.degree. C., and withdrawing gamma-butyrolactone and butyrates through a side outlet, and feeding the bottom product to a phase separator,c) feeding the 1,4-butanediol-enriched bottom phase of the liquid two-phase mixture coming from the phase separator to a third column having an actual number of plates of from 30 to 90, alcohol being distilled off as overhead product at a top pressure of from 45 to 250 mbar and a top temperature of from 45.degree. to 120.degree. C., and the azeotrope comprising 1,4 -butanediol and succinic diester is withdrawn as a sidestream and recycled to the phase separator, whilst 1,4-butanediol is removed together with alkyl-hydroxyalkyl succinate, butyl hydroxybutyrate, and high-boiling fractions as bottoms, andd) separating the succinate-enriched top phase in the phase separator.
摘要翻译：还含有四氢呋喃，水，C 1 -C 4醇，琥珀酸二酯，羟基丁酸酯，琥珀酸烷基羟基烷基酯，γ-丁内酯和/或琥珀酸酯的马来酸盐，富马酸盐和/或琥珀酸盐的催化氢化得到的混合物的分离方法，丁内酯和丁酸酯除了1,4-丁二醇外还包括以下步骤：a）在具有20至70的实际板数的第一塔中分离并在50至1100毫巴的最高压力下操作，以及优选为50至500毫巴，顶部温度为40至120℃，醇，水和四氢呋喃作为塔顶产物，b）将第一塔的底部产物进料到具有实际数量的板的第二塔 30至90份，并取出由醇和丁酸盐组成的塔顶产物，并在顶部压力为45至250毫巴，顶部温度为45至120℃下获得，并将γ-丁内酯和丁酸酯通过侧出口将底部产物供给到相分离器中，c）将来自相分离器的液体两相混合物的富含1,4-丁二醇的底相进料到具有实际数量的板的第三塔为30至90，在顶部压力为45至250毫巴，顶部温度为45至120℃的条件下，蒸馏出作为塔顶产物的醇，由1,4-丁二醇和琥珀酸二酯组成的共沸物为作为侧流回收并循环到相分离器中，而1,4-丁二醇与琥珀酸烷基 - 羟基烷基酯，羟基丁酸丁酯和作为塔底产物的高沸点馏分一起除去，以及d）在相中分离富含琥珀酸酯的顶相分隔器。

8. 发明授权

US5128490A Isolation of tetrahydrofuran from mixtures which contain tetrahydrofuran, 1,4-butanediol, gamma-butyro-lactone and succinic acid esters 失效
标题翻译：从含有四氢呋喃，1,4-丁二醇，甘氨酸和乳酸的混合物中分离出四氢呋喃
公开(公告)号：US5128490A
公开(公告)日：1992-07-07
申请号：US658087
申请日：1991-02-20
申请人： Stabel Uwe , Hans-Juergen Gosch , Rolf Fischer , Wolfgang Harder , Claus Hechler
发明人： Stabel Uwe , Hans-Juergen Gosch , Rolf Fischer , Wolfgang Harder , Claus Hechler
IPC分类号： B01J21/16 , C07B61/00 , C07B63/04 , C07D307/08
CPC分类号： C07D307/08
摘要： A process is described for isolating tetrahydrofuran from mixtures containing tetrahydrofuran, 1,4-butanediol, -butyrolactone and succinic acid esters, in which the mixtures are heated to from 150.degree. to 250.degree. C. in the presence of phyllosilicates, the resultant tetrahydrofuran and water of reaction are removed from the reaction mixture by distillation, and the tetrahydrofuran is separated from the distillate.
摘要翻译：描述了从含有四氢呋喃，1,4-丁二醇，丁内酯和琥珀酸酯的混合物中分离四氢呋喃的方法，其中将混合物在页硅酸盐存在下加热至150-250℃，得到的四氢呋喃和通过蒸馏从反应混合物中除去反应水，并将四氢呋喃与馏出物分离。

9. 发明授权

US4990688A Removal of cyclohexanol 失效
标题翻译：去除环己醇
公开(公告)号：US4990688A
公开(公告)日：1991-02-05
申请号：US383057
申请日：1989-07-21
申请人： Hans-Juergen Gosch , Rolf Fischer
发明人： Hans-Juergen Gosch , Rolf Fischer
IPC分类号： C07C29/04 , C07C27/00 , C07C29/86 , C07C35/08 , C07C67/00
CPC分类号： C07C29/86 , C07C2101/14
摘要： Cyclohexanol is removed from aqueous solutions containing it and aromatic sulfonic acid by extraction using as the extractant a mixture of(a) one or more liquid aliphatic, cyloaliphatic or aromatic hydrocarbons, halohydrocarbons or ethers which are inert under extraction conditions and(b) one or more phenols.
摘要翻译：通过萃取使用（a）在萃取条件下为惰性的一种或多种液体脂族，脂环族或芳族烃，卤代烃或醚的混合物提取环己醇，并且（b）一种或多种更多的酚类

10. 发明授权

US4963673A Preparation of caprolactam 失效
标题翻译：己内酰胺的制备
公开(公告)号：US4963673A
公开(公告)日：1990-10-16
申请号：US448902
申请日：1989-12-12
申请人： Franz Merger , Rolf Fischer , Claus-Ulrich Priester
发明人： Franz Merger , Rolf Fischer , Claus-Ulrich Priester
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： Caprolactam is prepared by heating a 6-aminocaproic ester in liquid phase in the presence of water to 230.degree.-350.degree. C. under superatmospheric pressure in a reaction medium comprising a liquid aromatic hydrocarbon having a boiling point of from 80.degree. to 240.degree. C. which is inert under reaction conditions, and isolating caprolactam from the reaction mixture.
摘要翻译：己内酰胺通过在含有沸点为80〜240℃的液体芳烃的反应介质的反应介质中，在高温大气压下，在水存在下，将液体中的6-氨基己酸酯加热到230〜在反应条件下是惰性的，并从反应混合物中分离己内酰胺。

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