专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US4537987A Preparation of pure monoesters of adipic acid 失效
标题翻译：己二酸纯单酯的制备
公开(公告)号：US4537987A
公开(公告)日：1985-08-27
申请号：US629766
申请日：1984-07-11
申请人： Heinz-Walter Schneider , Wolfgang Richter , Walter Disteldorf , Rudolf Kummer
发明人： Heinz-Walter Schneider , Wolfgang Richter , Walter Disteldorf , Rudolf Kummer
IPC分类号： B01J31/00 , B01J31/20 , B01J31/24 , C07B61/00 , C07C67/313 , C07C67/38 , C07C67/39 , C07C69/44 , C07C69/67
CPC分类号： C07C67/39
摘要： Pure monoesters of adipic acid are prepared by a process in which(a) a pentenoate is reacted with carbon monoxide and hydrogen at from 90.degree. to 140.degree. C. and under from 5 to 300 bar in the presence of a carbonyl complex of cobalt or of rhodium, and a 5-formylvalerate is separated off, and(b) the 5-formylvalerate thus obtained is oxidized with molecular oxygen, or with a gas containing this, at from 20.degree. to 100.degree. C. under from 1 to 10 bar.
摘要翻译：己二酸的纯单酯通过以下方法制备，其中（a）戊烯酸酯与一氧化碳和氢气在90至140℃和5至300巴下在钴或羰基络合物存在下反应的铑，并分离出5-甲酰基戊酸酯，（b）将所得的5-甲酰基戊酸酯用分子氧或含有该气体的气体在20至100℃下在1至10巴。

22. 发明授权

US4360692A Preparation of formylvalerates 失效
标题翻译：甲酰戊酸的制备
公开(公告)号：US4360692A
公开(公告)日：1982-11-23
申请号：US205569
申请日：1980-11-10
申请人： Rudolf Kummer , Heinz-Walter Schneider
发明人： Rudolf Kummer , Heinz-Walter Schneider
IPC分类号： B01J31/00 , B01J31/20 , C07B61/00 , C07C67/38 , C07C69/67
CPC分类号： C07C67/347 , C07C67/38
摘要： An improved process for the preparation of alkyl formylvalerates, wherein butadiene or a butadiene-containing hydrocarbon mixture is reacted, in a first stage, with carbon monoxide and alkanols in the presence of cobalt carbonyl complexes and, per mole of butadiene, from 0.5 to 2 moles of tertiary nitrogen bases having a pK.sub.a of from 3 to 11, at from 80.degree. to 150.degree. C. and from 300 to 2,000 bar, and, in a second stage, the resulting alkyl pentenoate is reacted with carbon monoxide and hydrogen in the presence of cobalt carbonyl complexes at from 100.degree. to 160.degree. C. and from 100 to 300 bar, the improvement being that tertiary nitrogen bases, excess alkanols and any unconverted hydrocarbons are distilled off from the reaction mixture obtained in the first stage, with the proviso that the reaction mixture is treated, before or during the distillation, with gases containing molecular oxygen, and the residual reaction mixture containing alkyl pentenoate and cobalt catalyst is used in the second stage.
摘要翻译：一种改进的制备烷基甲酰基戊酸酯的方法，其中丁二烯或含丁二烯的烃混合物在第一阶段中与一氧化碳和链烷醇在钴羰基络合物和每摩尔丁二烯的存在下反应，为0.5至2 具有pKa为3至11，80至150℃和300至2,000巴的叔氮碱的摩尔数，并且在第二阶段中，使得到的戊烯酸烷基酯与一氧化碳和氢气在在100至160℃和100至300巴存在钴羰基络合物，其改进是从第一阶段获得的反应混合物中蒸馏掉叔氮碱，过量链烷醇和任何未转化的烃，条件是反应混合物在蒸馏之前或期间用含有分子氧的气体进行处理，并且含有戊烯酸烷基酯和钴催化剂的残余反应混合物用于第二阶段

23. 发明授权

US4113754A Isolation and regeneration of rhodium-containing catalysts from distillation residues of hydroformylation reactions 失效
标题翻译：从加氢甲酰化反应的蒸馏残余物中分离和再生含铑催化剂
公开(公告)号：US4113754A
公开(公告)日：1978-09-12
申请号：US780297
申请日：1977-03-23
申请人： Rudolf Kummer , Heinz-Walter Schneider , Kurt Schwirten
发明人： Rudolf Kummer , Heinz-Walter Schneider , Kurt Schwirten
IPC分类号： B01J31/40 , B01J38/68 , B01J38/74 , C07B61/00 , C07C45/00 , C07C45/50 , C07C47/02 , C07C67/00 , C07F15/00
CPC分类号： B01J31/4046 , B01J31/20 , B01J31/24 , B01J31/2404 , C07C45/50 , B01J2231/321 , B01J2531/822 , Y02P20/582 , Y02P20/584
摘要： The isolation and regeneration of catalysts of type I or IIclRh(CO)(PR.sub.3).sub.2 Ihrh(CO)(PR.sub.3).sub.3 II,where the R's are identical or different hydrocarbon radicals, to give the catalysts in a pure form, is effected by regenerating aqueous rhodium salt solutions, as obtained on treating distillation residues of hydroformylation mixtures with oxygen-containing mineral acids and peroxides, by a method wherein the said aqueous rhodium salt solutions are treated with a cation exchanger, the latter is then separated from the solution, the absorbed rhodium ions are desorbed with hydrochloric acid, the hexachlororhodate solutions, containing hydrochloric acid, are reacted, in the presence of a water-soluble organic solvent and a tertiary phosphine PR.sub.3, with carbon monoxide, or with compounds which eliminate carbon monoxide, at from 0.degree. to 150.degree. C and from 1 to 5 bars, and the resulting complexes I or, if the process is carried out under hydrogenating conditions, the resulting complexes II, are separated off.
摘要翻译：分离和再生I或II型ClRh（CO）（PR3）2I HRh（CO）（PR3）3II的催化剂，其中R是相同或不同的烃基，得到纯形式的催化剂，是通过通过其中所述水合铑盐溶液用阳离子交换剂处理的方法，在用含氧无机酸和过氧化物处理加氢甲酰化混合物的蒸馏残余物时获得的再生铑水溶液溶液，然后将该铑盐溶液与溶液分离，吸收的铑离子用盐酸解吸，含有盐酸的六氯乙酸溶液在水溶性有机溶剂和叔膦PR3存在下与一氧化碳或与一氧化碳消除的化合物反应， 0至150℃和1至5巴，所得的络合物I或如果该方法在氢化条件下进行，则得到的络合物II为sepa 评分。

24. 发明授权

US4454358A Continuous production of ethanol and plural stage distillation of the same 失效
标题翻译：连续生产乙醇和多级蒸馏相同
公开(公告)号：US4454358A
公开(公告)日：1984-06-12
申请号：US337683
申请日：1982-01-07
申请人： Rudolf Kummer , Volker Taglieber , Heinz-Walter Schneider
发明人： Rudolf Kummer , Volker Taglieber , Heinz-Walter Schneider
IPC分类号： C07C29/132 , B01J31/00 , B01J31/20 , C07B61/00 , C07C27/00 , C07C27/04 , C07C29/149 , C07C29/80 , C07C29/92 , C07C31/08 , C07C67/00 , B01D3/00
CPC分类号： C07C29/80 , C07C29/149 , C07C67/08 , C07C67/36 , C07C67/54 , Y02P20/52 , Y10S203/06 , Y10S203/20
摘要： Ethanol is produced continuously via the carbonylation of methanol, by(a) carbonylating methanol, in a reactor R, in the presence of a carbonyl complex of a metal of group VIII of the periodic table and of a halogen compound,(b) separating, in a distillation column D1, the reactor discharge, into a top fraction comprising methyl acetate, methanol, dimethyl ether and an organohalogen compound, and into a bottom fraction comprising water, small quantities of acetic acid and the catalyst, if the latter is not in a fixed bed, the residence time being so adjusted that the greater part of the acetic acid reacts with the methanol present to give methyl acetate,(c) separating the top fraction from D1, in a distillation column D2, into a top fraction comprising small quantities of methyl acetate, methanol, dimethyl ether and the organo-halogen compound, and a bottom fraction comprising methyl acetate and methanol, and recycling the top fraction to reactor R,(d) distilling off, via the top of distillation column D3, the greater part of the water from the bottom fraction from D1and removing this water from circulation, and recycling to reactor R the bottom fraction consisting of small quantities of water, acetic acid and the catalyst,(e) using hydrogen to hydrogenate, in the hydrogenation reactor H, the bottom fraction from D2, in a conventional manner, to give a mixture of methanol and ethanol, and(f) separating the mixture into ethanol and methanol in a distillation column D4, and recycling the methanol to reactor R.
摘要翻译：通过（a）在反应器R中羰基化甲醇，在周期表第VIII族金属的羰基络合物和卤素化合物的存在下，连续生产乙醇，（b）分离，在蒸馏塔D1中，反应器排出成为包含乙酸甲酯，甲醇，二甲醚和有机卤素化合物的顶级馏分，并进入包含水，少量乙酸和催化剂的底部馏分，如果后者不在固定床，停留时间如此调节，使得大部分乙酸与存在的甲醇反应得到乙酸甲酯，（c）将蒸馏塔D2中的顶馏分与D1分离成包含小分子的顶馏分数量的乙酸甲酯，甲醇，二甲醚和有机卤素化合物，以及包含乙酸甲酯和甲醇的底部馏分，并将顶部馏分再循环到反应器R中，（d）通过顶部o蒸馏 f蒸馏塔D3，来自D1的底部馏分的大部分水从循环中除去，并且将反应器R再循环到由少量水，乙酸和催化剂组成的底部馏分，（e）使用氢气以常规方式在氢化反应器H中将来自D2的塔底馏分氢化，得到甲醇和乙醇的混合物，和（f）将混合物在蒸馏塔D4中分离成乙醇和甲醇，并将甲醇再循环至反应器

25. 发明授权

US4350572A Purification of carboxylic acid esters containing aldehydes and/or acetals 失效
标题翻译：含醛和/或缩醛的羧酸酯的纯化
公开(公告)号：US4350572A
公开(公告)日：1982-09-21
申请号：US204637
申请日：1980-11-06
申请人： Rudolf Kummer , Volker Taglieber , Franz-Josef Weis , Heinz-Walter Schneider
发明人： Rudolf Kummer , Volker Taglieber , Franz-Josef Weis , Heinz-Walter Schneider
IPC分类号： C07C67/48 , C07C67/38 , C07C67/56 , C07C67/60 , C07C69/44 , B01D3/34
CPC分类号： C07C67/60
摘要： A process for purifying carboxylic acid esters which have been obtained by reacting olefinically unsaturated compounds with carbon monoxide and alkanols and which contain aldehydes or acetals, wherein the said esters are treated with a strongly acidic agent, with or without addition of water.
摘要翻译：通过使烯属不饱和化合物与一氧化碳和链烷醇反应并且含有醛或缩醛而获得的羧酸酯的方法，其中所述酯用强酸性剂处理，或不加入水。

26. 发明授权

US5817592A Process for the preparation of a hydrogenation catalyst 失效
标题翻译：制备氢化催化剂的方法
公开(公告)号：US5817592A
公开(公告)日：1998-10-06
申请号：US590455
申请日：1996-01-23
申请人： Daniel Heineke , Heinz-Walter Schneider , Alfred Thome
发明人： Daniel Heineke , Heinz-Walter Schneider , Alfred Thome
IPC分类号： B01J23/42 , B01J23/96 , B01J37/16 , B01J38/64 , C01B21/14 , B01J21/18 , B01J23/16 , B01J27/185
CPC分类号： B01J23/42 , B01J37/16 , C01B21/1418
摘要： A process for the preparation of a hydrogenation catalyst by reduction of platinum in an oxidation stage of not less than 2 in an aqueous medium in the presence of a carboniferous support, optionally following partial poisoning with a sulfur, arsenic, tellurium, or antimony-containing compound, using a reducing agent, in which the reducing agent used is an ammonium or phosphonium salt of the general formula I �XR.sup.4 !.sub.n Y I in which X stands for N or P, R stands for hydrogen, C.sub.1 --C.sub.18 alkyl, C.sub.5 --C.sub.10 cycloalkyl, phenyl radical, and also a C.sub.1 --C.sub.4 alkyl radical substituted by phenyl, the phenyl radicals being mono-to tri-substituted by C.sub.1 --C.sub.6 alkyl, halogen, nitro or amino, if desired, provided that the radicals R may be the same or different but cannot simultaneously denote hydrogen, if X is P, n is an integer of 1 to 3, and Y is an organic anion which can reduce platinum in an oxidation stage other than zero to platinum in the oxidation stage of zero.
摘要翻译：一种通过在含水载体的存在下在水性介质中在不少于2的氧化阶段还原铂的氢化催化剂的方法，任选地在用硫，砷，碲或含锑的部分中毒后化合物，使用还原剂，其中所用的还原剂是通式I [XR4] nYinin的铵盐或鏻盐，其中X代表N或P，R代表氢，C1-C18烷基，C5-C10环烷基苯基，以及被苯基取代的C1-C4烷基，如果需要，苯基由C1-C6烷基，卤素，硝基或氨基单取代至三取代，条件是基团R可以相同或不同，但不能同时表示氢，如果X为P，n为1至3的整数，Y为有机阴离子，在氧化阶段为零的情况下，铂可以在除氧以外的氧化阶段中还原为铂。

27. 发明授权

US07056356B2 Process for producing crystals 失效
标题翻译：晶体生产工艺
公开(公告)号：US07056356B2
公开(公告)日：2006-06-06
申请号：US10296442
申请日：2001-05-21
申请人： Peter Mark Allen , Christoph Gahn , Christopher William Rieker , Heinz-Walter Schneider , Robert Wagner
发明人： Peter Mark Allen , Christoph Gahn , Christopher William Rieker , Heinz-Walter Schneider , Robert Wagner
IPC分类号： B01D9/00
CPC分类号： B01D9/0022 , B01D9/0031 , B01D9/0036 , B01D9/0059
摘要： An apparatus and a process for crystallizing substances from solutions or dispersions containing these substances, in a crystallizer containing a classifying zone (3), comprise a) an inner and an outer circulation system (1; 2), the inner circulation system (1) being present in the crystallizer, the inlet of the outer circulation system (2) being connected to the inner circulation system (1) via the classifying zone (3), the outer circulation system, being present outside the crystallizer, the outlet of the outer circulation system (2) being connected to the inner circulation system (1) of the crystallizer, and a means for dissolving crystals being arranged in the outer circulation system (2), before its outlet, b) an inflow (4) for solution and/or dispersion, which inflow is present on the crystallizer or on the outer circulation system, and c) an outflow (5) for dispersions, which outflow is arranged on the crystallizer or on the outer circulation system. The novel apparatus has the special feature that a line (8) connecting the outer and inner circulation systems (1; 2) to one another and intended for transporting (recycling) dispersion and/or a line (8) for transporting (recycling) dispersion are additionally present, in which both its entrance and its exit are connected to the inner circulation system (1).
摘要翻译：一种用于在含有分级区（3）的结晶器中使含有这些物质的溶液或分散液中的物质结晶的装置和方法包括：a）内循环系统（1; 2），内循环系统（1）存在于结晶器中，外循环系统（2）的入口经由分级区（3）连接到内循环系统（1），外循环系统存在于结晶器外部，外部出口循环系统（2）连接到结晶器的内循环系统（1），以及用于溶解布置在外循环系统（2）中的晶体在其出口之前的装置，b）用于溶液的流入物（4） /或分散体，其流入存在于结晶器或外循环系统上，以及c）用于分散体的流出物（5），该流出物布置在结晶器或外循环系统上。该新型装置的特征在于，将外部和内部循环系统（1; 2）彼此连接并用于运输（再循环）分散体和/或用于运输（再循环）分散体的管线（8）的管线（8）另外存在，其入口和出口都连接到内循环系统（1）。

28. 发明授权

US5554353A Preparation of hydroxylammonium salts 失效
标题翻译：羟基铵盐的制备
公开(公告)号：US5554353A
公开(公告)日：1996-09-10
申请号：US384321
申请日：1995-02-01
申请人： Heinz-Walter Schneider , Axel Wilms , R udiger Schmitz , Robert Schulz , Klaus Michelsen
发明人： Heinz-Walter Schneider , Axel Wilms , R udiger Schmitz , Robert Schulz , Klaus Michelsen
IPC分类号： C01C1/28 , B01J23/42 , C01B21/14 , C01B21/20
CPC分类号： C01B21/1418
摘要： A process for the preparation of hydroxylammonium salts by catalytic reduction of nitrogen monoxide using hydrogen in the presence of a hydrogenation catalyst, comprises(a) in a first step, filtering the reaction mixture obtained after the reaction, giving a solution of essentially hydroxylammonium salt and a filter residue essentially comprising a mixture of hydrogenation catalyst and a solution of essentially hydroxylammonium salt, and(b) in a second step, subjecting the filter residue to a further separation process in order to concentrate the hydrogenation catalyst, giving a mixture having a higher concentration of hydrogenation catalyst than the filter residue and a mixture having a lower concentration of hydrogenation catalyst than the filter residue.
摘要翻译：在氢化催化剂存在下通过使用氢气催化还原一氧化氮制备羟基铵盐的方法包括（a）在第一步骤中，过滤反应后获得的反应混合物，得到基本上羟基铵盐的溶液和基本上包含氢化催化剂和基本上羟基铵盐的溶液的混合物的过滤残余物，和（b）在第二步中，将过滤残余物进行进一步的分离过程以浓缩氢化催化剂，得到具有较高氢化催化剂的浓度比过滤残渣和氢化催化剂浓度低于过滤残渣的混合物。

29. 发明授权

US4730041A Preparation of .epsilon.-caprolactams 失效
标题翻译： ε-己内酰胺的制备
公开(公告)号：US4730041A
公开(公告)日：1988-03-08
申请号：US7789
申请日：1987-01-28
申请人： Hans-Martin Hutmacher , Franz Merger , Franz J. Broecker , Rolf Fischer , Uwe Vagt , Wolfgang Harder , Claus-Ulrich Priester , Heinz-Walter Schneider , Wolfgang Richter
发明人： Hans-Martin Hutmacher , Franz Merger , Franz J. Broecker , Rolf Fischer , Uwe Vagt , Wolfgang Harder , Claus-Ulrich Priester , Heinz-Walter Schneider , Wolfgang Richter
IPC分类号： B01J23/74 , B01J23/78 , B01J25/00 , C07B61/00 , C07D201/08
CPC分类号： C07D201/08 , Y02P20/52
摘要： Caprolactam is prepared by a process in which(a) a 5-formylvalerate is reacted with excess ammonia and hydrogen in the presence of an alkanol as a solvent and in the presence of a hydrogenation catalyst under superatmospheric pressure in the liquid phase at from 40.degree. to 130.degree. C.,(b) excess ammonia and hydrogen are separated off from the reaction mixture and(c) the reaction mixture thus obtained is heated to 150.degree.-250.degree. C. and .epsilon.-caprolactam is obtained.
摘要翻译：己内酰胺通过以下方法制备：其中（a）5-烷基戊酸酯与过量的氨和氢在烷醇作为溶剂的存在下和氢化催化剂的存在下在超大气压下在40℃的液相中反应至130℃，（b）从反应混合物中分离出过量的氨和氢，（c）将所得反应混合物加热至150-250℃，得到ε-己内酰胺。

30. 发明授权

US6083468A Method of manufacturing a hydrogenation catalyst 失效
标题翻译：制造氢化催化剂的方法
公开(公告)号：US6083468A
公开(公告)日：2000-07-04
申请号：US155908
申请日：1998-10-08
申请人： Daniel Heineke , Gunther Achhammer , Heinz-Walter Schneider , Alfred Thome
发明人： Daniel Heineke , Gunther Achhammer , Heinz-Walter Schneider , Alfred Thome
IPC分类号： B01J23/42 , B01J37/20 , C01B21/14 , C01C1/00
CPC分类号： B01J23/42 , C01B21/1418
摘要： A hydrogenation catalyst is prepared by reduction of platinum in an oxidation state of not less than two using a reducing agent in an aqueous medium in the presence of a carbon-containing support after partial poisoning, where use is made of a compound of the general formula I ##STR1## where X, Y and Z can be identical or different and are hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.10 -cycloalkyl, halogen, hydroxyl, C.sub.1 -C.sub.6 -alkoxy and --NR'R", where R, R' and R" can be identical or different and can be hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.5 -C.sub.10 -cycloalkyl. Such a hydrogenation catalyst can be used for preparing hydroxylammonium salts and the process for preparing the above catalysts can also be used for regenerating hydrogenation catalysts based on platinum.
摘要翻译： PCT No.PCT / EP97 / 01617 Sec。 371日期：1998年10月8日 102（e）日期1998年10月8日PCT 1997年4月1日PCT PCT。出版物WO97 / 37758 日期：1997年10月16日氢化催化剂是通过在部分中毒后在含碳载体存在下，在水性介质中使用还原剂还原不少于2的铂的氢化催化剂，其中使用其中X，Y和Z可以相同或不同，为氢，C 1 -C 18 - 烷基，C 5 -C 10 - 环烷基，卤素，羟基，C 1 -C 6 - 烷氧基和-NR'R“的通式I化合物，其中R，R'和R“可以相同或不同，并且可以是氢，C 1 -C 18 - 烷基或C 5 -C 10 - 环烷基。这种氢化催化剂可用于制备羟铵盐，并且制备上述催化剂的方法也可用于再生基于铂的氢化催化剂。

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