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

US5965751A Process for hydrogenation of dihydrofurans to give tetrahydrofurans 失效
标题翻译：二氢呋喃氢化制得四氢呋喃的方法
公开(公告)号：US5965751A
公开(公告)日：1999-10-12
申请号：US68978
申请日：1998-05-22
申请人： Franz Josef Brocker , Rolf Fischer , Gerd Kaibel , Rolf Pinkos
发明人： Franz Josef Brocker , Rolf Fischer , Gerd Kaibel , Rolf Pinkos
IPC分类号： B01J37/02 , C07D307/08 , C23C14/16 , B01J23/44
CPC分类号： C07D307/08 , B01J37/0225 , B01J37/0238 , C23C14/16
摘要： In a process for the catalytic hydrogenation of 2,5- and 2,3-dihydrofuran with hydrogen to give tetrahydrofuran, use is made of a catalyst in which a metal or a plurality of metals have been deposited by vapor deposition or sputtering on a metal wire mesh or a metal foil as support.
摘要翻译： PCT No.PCT / EP96 / 05071 Sec。 371日期：1998年5月22日 102（e）日期1998年5月22日PCT 1996年11月18日PCT公布。第WO97 / 19939号公报日期：1997年6月5日在用氢气将2,5-和2,3-二氢呋喃催化氢化得到四氢呋喃的方法中，使用其中通过气相沉积沉积金属或多种金属的催化剂或溅射在金属丝网或金属箔上作为载体。

2. 发明授权

US06433192B1 Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and &ggr;-butyrolactone 失效
标题翻译：生产1,4-丁二醇，四氢呋喃和γ-丁内酯的混合物的方法
公开(公告)号：US06433192B1
公开(公告)日：2002-08-13
申请号：US09673847
申请日：2001-06-04
申请人： Rolf Fischer , Gerd Kaibel , Rolf Pinkos , Ralf-Thomas Rahn
发明人： Rolf Fischer , Gerd Kaibel , Rolf Pinkos , Ralf-Thomas Rahn
IPC分类号： C07D30702
CPC分类号： C07D315/00 , C07C29/149 , C07D307/08 , C07C31/207
摘要： In a process for preparing 1,4-butanediol, tetrahydrofuran and &ggr;-butyrolactone by oxidation of butane to give a product stream comprising maleic anhydride, absorption of maleic anhydride from the product stream using a high-boiling alcohol to give a liquid absorption product comprising monoesters and diesters of maleic acid and also high-boiling alcohol, after-esterification of the liquid absorption product and subsequent hydrogenation of the after-esterified product in the liquid phase, the high-boiling alcohol is a polyhydric alcohol having a boiling point at atmospheric pressure of above 233° C. and the after-esterified product has an acid number of less than 30 mg KOH/g and a water content of less than 1% by weight.
摘要翻译：在通过丁烷氧化制备1,4-丁二醇，四氢呋喃和γ-丁内酯以产生包含马来酸酐的产物流的方法中，使用高沸点醇从产物流中吸收马来酸酐，得到液体吸收产物，其包含马来酸的单酯和二酯以及高沸点醇，液体吸收产物的酯化和后期酯化产物在液相中的氢化后，高沸点醇是沸点在大气压下的多元醇高于233℃的压力，后酯化产物的酸值小于30mg KOH / g，水含量小于1重量％。

3. 发明授权

US06350924B1 Method for producing 1,4-butanediol 有权
标题翻译：生产1,4-丁二醇的方法
公开(公告)号：US06350924B1
公开(公告)日：2002-02-26
申请号：US09673134
申请日：2000-10-11
申请人： Rolf Fischer , Gerd Kaibel , Rolf Pinkos , Ralf-Thomas Rahn
发明人： Rolf Fischer , Gerd Kaibel , Rolf Pinkos , Ralf-Thomas Rahn
IPC分类号： C07C2700
CPC分类号： C07D315/00 , C07C29/177 , C07D307/08 , C07C31/207
摘要： A process for preparing 1,4-butanediol and, if desired, &ggr;-butyrolactone and THF by oxidizing butane or benzene to form a product stream including maleic anhydride, absorbing maleic anhydride from the product stream with a high-boiling inert solvent in an absorption stage to give a liquid absorption product, esterifying the liquid absorption product with a C1-C5 esterifying alcohol in an esterification stage to form an esterification product comprising the corresponding diester and high-boiling inert solvent, then hydrogenating the esterification product to give a hydrogenation product which comprises the products of value, 1,4-butanediol and, if desired, &ggr;-butyrolactone and tetrahydrofuran and the esterifying alcohol and which is separated by distillation into the products of value and the esterifying alcohol, and recycling the esterifying alcohol to the esterification zone, which comprises separating the esterification product into the diester and the inert solvent by distillation under reduced pressure prior to the hydrogenation, recycling the inert solvent to the absorption stage, and hydrogenating the diester in the liquid phase over a fixed-bed catalyst.
摘要翻译：通过氧化丁烷或苯来制备1,4-丁二醇和（如果需要的话）γ-丁内酯和THF以形成包含马来酸酐的产物流的方法，在吸收中用高沸点惰性溶剂从产物流中吸收马来酸酐阶段以得到液体吸收产物，在酯化阶段用C1-C5酯化醇酯化液体吸收产物以形成包含相应的二酯和高沸点惰性溶剂的酯化产物，然后氢化酯化产物得到氢化产物其包括价值的产物，1,4-丁二醇，如果需要的话，γ-丁内酯和四氢呋喃和酯化醇，并通过蒸馏分离成产物和酯化醇，并将酯化醇再循环到酯化反应其包括通过蒸馏分离酯化产物成二酯和惰性溶剂在氢化之前在减压下进行反应，将惰性溶剂循环到吸收阶段，并在固定床催化剂中使液相中的二酯氢化。

4. 发明授权

US5939589A Process and reactor for carrying out conversion with catalysts suspended in liquids 失效
标题翻译：用于悬浮在液体中的催化剂进行转化的工艺和反应器
公开(公告)号：US5939589A
公开(公告)日：1999-08-17
申请号：US820001
申请日：1997-03-18
申请人： Gerd Kaibel , Franz Josef Brocker , Manfred Stroezel
发明人： Gerd Kaibel , Franz Josef Brocker , Manfred Stroezel
IPC分类号： B01F5/06 , B01J8/00 , B01J8/06 , B01J8/18 , B01J8/20 , B01J8/22 , B01J8/34 , C07C45/62 , C07C49/00
CPC分类号： C07C45/62 , B01J8/0015 , B01J8/007 , B01J8/06 , B01J8/1863 , B01J8/20 , B01J8/22 , B01J8/34
摘要： Catalytic reactions are carried out in a reactor which contains a liquid phase in which at least one catalyst is suspended, and which may additionally contain a gas phase, by a process in which the liquid phase and, if present, also the gas phase are fed, at least partly, through an apparatus having orifices or channels in the reactor, the hydraulic diameter of which orifices or channels is from 0.5 to 20 mm, preferably from 1 to 10 mm, particularly preferably from 1 to 3 mm.
摘要翻译：催化反应在包含液相的反应器中进行，其中至少一种催化剂悬浮在其中，并且其可以另外含有气相，通过其中液相和（如果存在的话）气相被加料的方法至少部分地通过具有反应器中的孔或通道的装置，其孔径或通道的水力直径为0.5至20mm，优选为1至10mm，特别优选为1至3mm。

5. 发明授权

US6150564A Selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds 失效
标题翻译： α，β-不饱和羰基化合物的选择性液相氢化
公开(公告)号：US6150564A
公开(公告)日：2000-11-21
申请号：US275867
申请日：1999-03-25
申请人： Franz Josef Brocker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Gunter Wegner , Manfred Stroezel
发明人： Franz Josef Brocker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Gunter Wegner , Manfred Stroezel
IPC分类号： B01J23/44 , B01J8/20 , B01J8/22 , B01J19/24 , B01J23/46 , C07B61/00 , C07C45/62 , C07C49/04
CPC分类号： C07C45/62 , B01J19/2465 , B01J19/2495 , B01J8/20 , B01J8/22 , B01J2219/00103 , B01J2219/0011 , B01J2219/32
摘要： The invention relates to a process for the selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I, ##STR1## where R.sub.1 is hydrogen or an organic radical, and R.sub.2, R.sub.3 and R.sub.4, independently of one another, are hydrogen or a C.sub.1 -- to C.sub.4 --alkyl group, to saturated carbonyl compounds of the formula II ##STR2## using hydrogen in the presence of a pulverulent palladium and/or rhodium catalyst and in the presence of an organic base. The process is carried out in a packed bubble column reactor (1, 2) with product recycling (11, 17) and circulating hydrogen gas (4, 15, 16). It is particularly suitable for the selective hydrogenation of citral to citronellal.
摘要翻译：本发明涉及用于式I的α，β-不饱和羰基化合物的选择性液相氢化的方法，其中R 1是氢或有机基团，并且R 2，R 3和R 4彼此独立地是氢或使用氢气在粉状钯和/或铑催化剂存在下并在有机碱的存在下，使C1至C4烷基与饱和的式II化合物反应。该方法在具有产品再循环（11,17）和循环氢气（4,15,16）的包装泡罩塔反应器（1,2）中进行。它特别适用于柠檬醛对香茅醛的选择性氢化。

6. 发明申请

US20090143601A1 METHOD FOR PREVENTING FUMARIC ACID DEPOSITS IN THE PRODUCTION OF MALEIC ACID ANHYDRIDE 审中-公开
标题翻译：在制备马来酸酐时防止含氟酸沉积物的方法
公开(公告)号：US20090143601A1
公开(公告)日：2009-06-04
申请号：US12300571
申请日：2007-05-16
申请人： Rolf Pinkos , Gerd Kaibel , Ellen Dahlhoff , Gunther Windecker , Jens Heimann
发明人： Rolf Pinkos , Gerd Kaibel , Ellen Dahlhoff , Gunther Windecker , Jens Heimann
IPC分类号： C07D307/60
CPC分类号： C07C51/573 , C07C57/145
摘要： The present invention provides a process for preventing fumaric acid deposits in the preparation of maleic anhydride, comprising the following steps:a) absorption of a C4-dicarboxylic acid or of a derivative from a crude product mixture into an organic solvent or water as an absorbent,b) removal of the C4-dicarboxylic acid or of a derivative from the absorbent,the absorbent thus recovered being catalytically hydrogenated fully or partly and recycled fully or partly into the absorption stage (a).
摘要翻译：本发明提供了一种在制备马来酸酐中防止富马酸沉积的方法，包括以下步骤：a）将C4-二羧酸或衍生物从粗产物混合物中吸收到作为吸收剂的有机溶剂或水中 b）从吸收剂中除去C4-二羧酸或衍生物，这样回收的吸收剂被完全或部分催化氢化，或者完全或部分地再循环到吸收阶段（a）中。

7. 发明授权

US06262317B1 Process for preparing 1,4-butanediol by catalytic hydrogenation of 1,4-butinediol 有权
标题翻译：通过1,4-丁二醇的催化氢化制备1,4-丁二醇的方法
公开(公告)号：US06262317B1
公开(公告)日：2001-07-17
申请号：US09284209
申请日：1999-04-09
申请人： Rainer Becker , Franz Josef Bröcker , Gerd Kaibel , Rolf Pinkos , Joachim Wulff-Döring
发明人： Rainer Becker , Franz Josef Bröcker , Gerd Kaibel , Rolf Pinkos , Joachim Wulff-Döring
IPC分类号： C07C2700
CPC分类号： C07C29/172 , B01J8/025 , B01J8/0278 , B01J8/06 , B01J8/065 , B01J19/006 , B01J19/2465 , B01J19/249 , B01J19/26 , B01J2208/00283 , B01J2208/021 , B01J2219/00103 , B01J2219/0011 , B01J2219/00777 , B01J2219/185 , B01J2219/1943 , B01J2219/2462 , B01J2219/2469 , B01J2219/2474 , B01J2219/2477 , B01J2219/2479 , B01J2219/2481 , B01J2219/30 , B01J2219/30475 , C07C31/207
摘要： A process for preparing 1,4-butanediol by continuous catalytic hydrogenation of 1,4-butynediol comprises reacting 1,4-butynediol with hydrogen in the liquid continuous phase in the presence of a heterogeneous hydrogenation catalyst at from 20 to 300° C., a pressure of from 1 to 200 bar and values of the liquid-side volumetric mass transfer coefficient kLa of from 0.1 s−1 to 1 s−1 a) using a catalyst suspended in the reaction medium, where if a packed bubble column is employed this is operated in the upflow mode and at a ratio of gas leaving the reaction vessel to gas fed to the reaction vessel of from 0.99:1 to 0.4:1, or b) passing the liquid and gas in cocurrent in an upward direction through a fixed-bed reactor operated in the gas-circulation mode while maintaining a ratio of the gas fed to the reaction vessel to gas leaving the reaction vessel of from 0.99:1 to 0.4:1.
摘要翻译：通过1,4-丁炔二醇的连续催化氢化制备1,4-丁二醇的方法包括在非均相氢化催化剂存在下，在20-300℃下，使1,4-丁炔二醇与液体连续相中的氢反应，使用悬浮在反应介质中的催化剂，1至200巴的压力和液体侧体积传质系数kLa的值为0.1s-1至1s-1a），其中如果使用填充气泡塔，则在向上流动模式下操作，并且以从0.99:1至0.4:1的气体流入反应容器的气体的比率），使液体和气体沿向上的方向并流通过固定 - 在气体循环模式下操作的床反应器，同时保持供给反应容器的气体与离开反应容器的气体的比例为0.99:1至0.4:1。

8. 发明申请

US20140061020A1 DEVICES AND METHOD FOR CONTINUOUS DISTILLATIVE SEPARATION OF A MIXTURE CONTAINING ONE OR MORE ALKANOLAMINE(S) 有权
标题翻译：含有一种或多种烷基胺的混合物的连续分离的装置和方法（S）
公开(公告)号：US20140061020A1
公开(公告)日：2014-03-06
申请号：US14057017
申请日：2013-10-18
申请人： Willi Schmidt , Gerd Kaibel , Elke Geißler , Wolfgang Reif , Manfred Julius , Frank-Friedrich Pape
发明人： Willi Schmidt , Gerd Kaibel , Elke Geißler , Wolfgang Reif , Manfred Julius , Frank-Friedrich Pape
IPC分类号： B01D3/32
CPC分类号： B01D3/32 , B01D3/14 , B01D3/42 , C07C213/04 , C07C213/10 , Y02P20/582 , C07C215/08 , C07C215/10
摘要： Apparatus and processes for continuous distillative separation of a mixture comprising one or more alkanolamine(s) are described. The separation is performed in one or more dividing wall column(s) and the alkanolamine or the alkanolamines is/are withdrawn as a side draw stream or side draw streams (side fraction(s)).
摘要翻译：描述了包含一种或多种链烷醇胺的混合物的连续蒸馏分离的装置和方法。分离在一个或多个分隔壁柱中进行，并且链烷醇胺或链烷醇胺作为侧馏分流或侧馏分流（侧馏分）排出。

9. 发明申请

US20100113805A1 PROCESS FOR OBTAINING MALEIC ANHYDRIDE BY DISTILLATION 有权
标题翻译：通过蒸馏获得马来酸酐的方法
公开(公告)号：US20100113805A1
公开(公告)日：2010-05-06
申请号：US12532660
申请日：2008-03-19
申请人： Gunther Windecker , Gerd Kaibel , Michael Steiniger , Thilo Buntrock , Jens Weiguny , Dany Vanden Hautte , Thierry Lurquin
发明人： Gunther Windecker , Gerd Kaibel , Michael Steiniger , Thilo Buntrock , Jens Weiguny , Dany Vanden Hautte , Thierry Lurquin
IPC分类号： C07D307/60
CPC分类号： B01D3/14 , B01D3/141 , C07C51/573 , C07C57/145
摘要： What is described is a process for obtaining maleic anhydride by distillation from a solution of maleic anhydride in a high-boiling absorbent which has been obtained by gas phase oxidation of a hydrocarbon and at least partial absorption of the oxidation products into the absorbent, by i) introducing the solution into the side of a feed column with a rectifying section disposed above the feed point and a stripping section disposed below the feed point, ii) providing an upper combining column which communicates with the upper end of the rectifying section and a lower combining column which communicates with the lower end of the stripping section, iii) providing a draw column which communicates with the upper combining column and the lower combining column, iv) drawing maleic anhydride off as a side draw from the draw column, and drawing off compounds having a lower boiling point than maleic anhydride at the top of the upper combining column and the high-boiling absorbent at the bottom of the lower combining column. The maleic anhydride obtained as a side draw has a low content of acrylic acid and acetic acid.
摘要翻译：所描述的是通过蒸馏从马来酸酐在高沸点吸收剂中的溶液获得马来酸酐的方法，其通过烃的气相氧化和至少部分吸收氧化产物进入吸收剂中获得，将溶液引入进料塔的侧面，其中设置在进料点上方的精馏部分和设置在进料点下方的汽提部分，ii）提供与精馏部分的上端连通的上部混合塔和下部组合柱与汽提部分的下端连通，iii）提供与上部混合塔和下部混合塔连通的牵引柱，iv）将拉伸马来酸酐作为拉伸塔的牵引拉出，拉出在上部混合塔的顶部具有比马来酸酐低的沸点的化合物和在底部o的高沸点吸收剂 f下组合列。作为侧馏分获得的马来酸酐具有低含量的丙烯酸和乙酸。

10. 发明申请

US20100081804A1 PROCESS FOR CONTINUOUS HYDROGENATION OR HYDROGENATING AMINATION 有权
标题翻译：连续加氢或加氢胺化的方法
公开(公告)号：US20100081804A1
公开(公告)日：2010-04-01
申请号：US12090377
申请日：2006-10-16
申请人： Bram Willem Hoffer , Hartwig Voss , Ekkehard Schwab , Udo Rheude , Gerd Kaibel , Mathias Haake , Jan Eberhardt , Michael Karcher
发明人： Bram Willem Hoffer , Hartwig Voss , Ekkehard Schwab , Udo Rheude , Gerd Kaibel , Mathias Haake , Jan Eberhardt , Michael Karcher
IPC分类号： C07D265/30 , C07C45/00
CPC分类号： C07C45/62 , C07C47/228 , C07C49/04 , C07C47/02
摘要： A process is described for continuously hydrogenating unsaturated compounds, in which particles of a first hydrogenation catalyst are suspended in a liquid phase in which an unsaturated compound is dissolved, the liquid phase, in the presence of a hydrogenous gas at a first partial hydrogen pressure and at a first temperature, is conducted through a packed bubble column reactor in cocurrent counter to the direction of gravity, the effluent from the bubble column reactor is sent to a gas-liquid separation, the liquid phase is sent to a crossfiltration to obtain a retentate and a filtrate, the retentate is recycled into the bubble column reactor and the filtrate, in the presence of a hydrogenous gas at a second partial hydrogen pressure and at a second temperature, is passed over a bed of a second hydrogenation catalyst, wherein the second partial hydrogen pressure is at least 10 bar higher than the first partial hydrogen pressure.
摘要翻译：描述了在第一部分氢气压力下在氢气存在下将不饱和化合物连续氢化的方法，其中第一氢化催化剂的颗粒悬浮在其中溶解不饱和化合物的液相中，液相，以及在第一个温度下，通过气泡塔反应器与重力方向并流，将来自泡罩塔反应器的流出物送入气液分离，将液相送至交叉过滤，得到滞留物和滤液，将滞留物再循环到泡罩塔反应器中，并且在第二部分氢气压力和第二温度下在氢气存在下将滤液通过第二氢化催化剂床，其中第二部分氢气压力比第一部分氢气压力高至少10巴。

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