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1. 发明授权

US6084109A Process for the preparation of pyromellitic dianhydride 失效
标题翻译：制备均苯四甲酸二酐的方法
公开(公告)号：US6084109A
公开(公告)日：2000-07-04
申请号：US293275
申请日：1999-04-16
申请人： Shiao-Jung Chu , Chian-Liang Hwang
发明人： Shiao-Jung Chu , Chian-Liang Hwang
IPC分类号： C07D493/04 , B01J8/02 , B01J19/00 , B01J23/888 , B01J27/199 , B01J27/22 , B01J27/224 , B01J32/00 , C07C51/265 , C07D493/00
CPC分类号： B01J27/199 , B01J23/888 , C07C51/265 , B01J2523/00
摘要： The present invention relates to a process for preparing pyromellitic dianhydride via an oxidation in gas phase under normal pressure. The process is characterized in that a catalyst system is used, which catalyst system comprises a catalyst which is a mixture of vanadium and tungsten oxides; a catalyst support comprising rutile and at least one material selected from the group consisting of tungsten carbide, silicon carbide and a mixture thereof; and a cocatalyst comprising oxides of manganese, antimony, bismuth, phosphorus, copper, aluminum, titanium or a mixture thereof, an oxide of an element of the VIIIB group of the periodic table, and an oxide of an alkali metal and/or alkaline earth metal. In this process, pyromellitic dianhydride is produced from a feedstream containing 1,2,4,5-tetraalkylbenzene in a gas flow rate of 4,000.about.12,000 hr.sup.-1 via a selective oxidation at 300.about.450.degree. C. in the presence of air which acts as an oxidant.
摘要翻译：本发明涉及在常压下通过气相氧化制备均苯四甲酸二酐的方法。该方法的特征在于使用催化剂体系，该催化剂体系包含作为钒和氧化钨的混合物的催化剂; 包含金红石和选自碳化钨，碳化硅及其混合物中的至少一种材料的催化剂载体; 以及包含锰，锑，铋，磷，铜，铝，钛或其混合物的氧化物的助催化剂，周期表的VIIIB族元素的氧化物和碱金属和/或碱土金属的氧化物金属。在该方法中，在空气存在下，通过在300℃，450℃选择性氧化，以4,000分钟12,000小时-1的气体流速从含有1,2,4,5-四烷基苯的进料流中产生均苯四甲酸二酐。作为氧化剂。

2. 发明授权

US5684207A Preparation of methyl isobutyl ketone 失效
标题翻译：甲基异丁基酮的制备
公开(公告)号：US5684207A
公开(公告)日：1997-11-04
申请号：US683911
申请日：1996-07-19
申请人： Po-Yu Chen , Shiao-Jung Chu , Kuo-Ching Wu , Wen-Chyi Lin
发明人： Po-Yu Chen , Shiao-Jung Chu , Kuo-Ching Wu , Wen-Chyi Lin
IPC分类号： C07C45/73 , C07C45/45
CPC分类号： C07C45/73
摘要： A one-step process for selective production of methyl isobutyl ketone includes reacting in the vapor/liquid phase acetone and hydrogen at a temperature of about 100.degree. to 300.degree. C. and a pressure of about 100 to 1000 psig, in the presence of a modified ZSM-5 catalyst having a molar ratio of SiO.sub.2 /Al.sub.2 O.sub.3 from about 20:1 to 680:1, the catalyst being prepared by treating a ZSM-5 zeolite with an organic acid having a pKa of 2 to 5, ion-exchanging or impregnating the ZSM-5 zeolite with a cation selected from the group consisting of palladium cation, platinum cation, copper cation and nickel cation, and activating the resultant catalyst in a reducing atmosphere.
摘要翻译：选择性生产甲基异丁基酮的一步法包括在气相/液相丙酮和氢气中，在约100至300℃的温度和约100至1000psig的压力下，在具有SiO 2 / Al 2 O 3摩尔比为约20:1至680:1的改性ZSM-5催化剂，该催化剂通过用pKa为2至5的有机酸处理ZSM-5沸石，离子交换或用选自钯阳离子，铂阳离子，铜阳离子和镍阳离子的阳离子浸渍ZSM-5沸石，并在还原气氛中活化所得催化剂。

3. 发明授权

US5652362A Preparation of caprolactam 失效
标题翻译：己内酰胺的制备
公开(公告)号：US5652362A
公开(公告)日：1997-07-29
申请号：US643819
申请日：1996-05-06
申请人： Pine-Sci Kuo , Shiao-Jung Chu , Chu-Ching Dai , Ching-Tang Lin , Hsi-Yen Hsu
发明人： Pine-Sci Kuo , Shiao-Jung Chu , Chu-Ching Dai , Ching-Tang Lin , Hsi-Yen Hsu
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： A method of making caprolactam from aminohexanoic acid or aminohexanoate ester comprising the steps of: (a) obtaining a reactor containing at least one catalyst, the catalyst being a metal oxide having acid-base-paired active sites; (b) charging a reaction feed into the reactor, the reaction feed containing a reactant, which is either amniohexanoic acid or C.sub.1 to C.sub.12 alkyl aminohexanoate ester, and a solvent; (c) reacting the reaction feed at a reaction temperature between 140.degree. and 300.degree. C. and a reaction pressure between 10 and 100 atm, to form a product stream; and (d) separating caprolactam from the product stream. The metal oxide catalyst is prepared from a process comprising the steps of: (a) dissolving at least a metal salt, which is not a metal oxide, in a solvent to form a metal salt solution, wherein: (i) the metal salt contains a metal element selected from the group consisting of silicon, titanium, tin, barium, calcium, magnesium, aluminum, and zinc; (ii) the solvent is selected from the group consisting of water, alcohol, ether, and mixtures thereof, and (iii) the metal salt is a salt which is soluble in the solvent; (b) adjusting the pH of the metal salt solution to be between 8 and 11, to thereby cause a precipitation of metal hydroxide; and (c) calcining the metal hydroxide at 300.degree. to 1,000.degree. C. to form a metal oxide.
摘要翻译：一种由氨基己酸或氨基己酸酯制备己内酰胺的方法，包括以下步骤：（a）获得含有至少一种催化剂的反应器，该催化剂是具有酸碱配位活性位点的金属氧化物; （b）将反应进料装入反应器中，反应进料含有反应物，其为氨基己酸或C 1至C 12烷基氨基己酸酯，和溶剂; （c）使反应进料在140℃至300℃的反应温度和10至100atm的反应压力下反应，形成产物流; 和（d）从产物流中分离己内酰胺。金属氧化物催化剂由包括以下步骤的方法制备：（a）将至少一种不是金属氧化物的金属盐溶解在溶剂中以形成金属盐溶液，其中：（i）金属盐包含选自硅，钛，锡，钡，钙，镁，铝和锌的金属元素; （ii）溶剂选自水，醇，醚及其混合物，和（iii）金属盐是可溶于溶剂的盐; （b）将金属盐溶液的pH调节至8〜11，使金属氢氧化物析出; 和（c）在300-1,000℃下煅烧金属氢氧化物以形成金属氧化物。

4. 发明授权

US5977356A Process for preparing caprolactam 失效
标题翻译：己内酰胺的制备方法
公开(公告)号：US5977356A
公开(公告)日：1999-11-02
申请号：US887174
申请日：1997-07-02
申请人： Shiao-Jung Chu , Hsi-Yen Hsu , Ching-Tang Lin , Kwang-Chic Lai , J. H. Tsai
发明人： Shiao-Jung Chu , Hsi-Yen Hsu , Ching-Tang Lin , Kwang-Chic Lai , J. H. Tsai
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： A simple and single step process for producing caprolactam comprising reacting 5-formylvaleric acid or an ester thereof in a solvent of water and/or an alcohol with hydrogen and ammonia in the presence of a noble metal catalyst supported by a carrier at 80.degree. to 300.degree. C. under a pressure of 10 to 120 atm, whereby amination, acidification, dehydration and cyclization occur to obtain caprolactam.
摘要翻译：一种用于制备己内酰胺的简单且单步的方法，其包括使5-甲酰基戊酸或其酯在水和/或醇的溶剂中与氢和氨在80〜300载体负载的贵金属催化剂存在下反应在10〜120atm的压力下进行胺化，酸化，脱水和环化，得到己内酰胺。

5. 发明授权

US5665889A Method for the production of N-vinyl-2-pyrrolidone by vinylation 失效
标题翻译：通过乙烯基化生产N-乙烯基-2-吡咯烷酮的方法
公开(公告)号：US5665889A
公开(公告)日：1997-09-09
申请号：US589517
申请日：1996-01-22
申请人： Shiao-Jung Chu , Pine-Sci Kuo , Chu-Chang Dai , Hsi-Yen Hsu , Ching-Tang Lin
发明人： Shiao-Jung Chu , Pine-Sci Kuo , Chu-Chang Dai , Hsi-Yen Hsu , Ching-Tang Lin
IPC分类号： C07D207/26 , C07D207/267 , C07D207/263
CPC分类号： C07D207/267
摘要： The present invention relates to a method for the production of N-vinyl-2-pyrrolidone with high selectivity. The method is characterized in subjecting 2-pyrrolidone and acetylene to vinylation by using hydroxy end-capped ether oligomers having a molecular weight less than 1000 or linear diols having at least 4 carbon atoms as co-catalysts under the catalyzation of alkali metal salts. At a vinylation temperature of 100.degree.-200 .degree. C., a reaction pressure of 7.5-30 atm and a reaction time period of 3-20 hours, N-vinyl-2-pyrrolidones are obtained with yields above 90%.
摘要翻译：本发明涉及一种以高选择性生产N-乙烯基-2-吡咯烷酮的方法。该方法的特征在于使用分子量小于1000的羟基封端醚低聚物或具有至少4个碳原子的直链二醇作为助催化剂在碱金属盐催化下使2-吡咯烷酮和乙炔进行乙烯基化。在乙烯基化温度为100 -200℃，反应压力为7.5-30atm，反应时间为3-20小时，得到N-乙烯基-2-吡咯烷酮，收率高于90％。

6. 发明授权

US5569770A Method for the production of N-Vinyl-2-Pyrrolidone by gas-phase dehydration reaction at atomospheric pressure 失效
标题翻译：通过气相脱水反应在大气压下生产N-乙烯基-2-吡咯烷酮的方法
公开(公告)号：US5569770A
公开(公告)日：1996-10-29
申请号：US594549
申请日：1996-01-31
申请人： Pine-Sci Kuo , Shiao-Jung Chu , Chu-Chang Dai , Hsi-Yen Hsu , Ching-Tang Lin , Yi-Yun Lin
发明人： Pine-Sci Kuo , Shiao-Jung Chu , Chu-Chang Dai , Hsi-Yen Hsu , Ching-Tang Lin , Yi-Yun Lin
IPC分类号： B01J21/06 , B01J23/14 , B01J37/03 , C07B61/00 , C07D207/26 , C07D207/267
CPC分类号： C07D207/267
摘要： The present invention relates to a method for the production of N-vinyl-2-pyrrolidone by gas-phase reaction at atmospheric pressure. The method is characterized in that a gas-phase reaction is conducted by using N-.beta.-Hydroxyethyl-2-Pyrrolidones serving as raw materials, at a temperature of 300.degree.-450.degree. C., a space velocity of 500-4500 hr.sup.-1 in the presence of a mixed oxide of group IV elements, or an oxide of group IV elements, which has been modified by group I or group II elements.
摘要翻译：本发明涉及在大气压下通过气相反应生产N-乙烯基-2-吡咯烷酮的方法。该方法的特征在于，使用作为原料的N-β-羟基乙基-2-吡咯烷酮，在300-450℃的温度，500-4500小时的空间速度下进行气相反应，在IV族元素的混合氧化物或IV族元素的氧化物存在下，其被I族或II族元素改性。

7. 发明授权

US06476238B1 Purification method for obtaining high-purity PMDA 有权
标题翻译：用于获得高纯度PMDA的纯化方法
公开(公告)号：US06476238B1
公开(公告)日：2002-11-05
申请号：US09855429
申请日：2001-05-16
申请人： Shiao-Jung Chu , Chien-Liang Hwang
发明人： Shiao-Jung Chu , Chien-Liang Hwang
IPC分类号： C07D30777
CPC分类号： C07D493/04 , C07C51/265 , C07C51/573 , C07D307/77 , C07C63/313
摘要： A purification method for obtaining high-purity PMDA. The method controls temperatures of cyclone separators in a series to separate PMDA and other by-products of different sublimation temperatures. High-purity PMDA is collected in the first cyclone separator, and no other purification steps are needed.
摘要翻译：一种获得高纯度PMDA的纯化方法。该方法控制一系列旋风分离器的温度，以分离PMDA和不同升华温度的其他副产物。在第一旋风分离器中收集高纯度PMDA，不需要其他纯化步骤。

8. 发明授权

US5371276A Ring-opening polymerization of cyclic ethers 失效
标题翻译：环醚的开环聚合
公开(公告)号：US5371276A
公开(公告)日：1994-12-06
申请号：US157960
申请日：1993-11-24
申请人： Shiao-Jung Chu , Fu-Chen Liu , Ching-Tang Lin , Huey-Jiuan Yeh , Fu-Hsi Yu
发明人： Shiao-Jung Chu , Fu-Chen Liu , Ching-Tang Lin , Huey-Jiuan Yeh , Fu-Hsi Yu
IPC分类号： C07C67/24
CPC分类号： C07C67/24
摘要： A method for preparing ester end-capped polyalkylene ether is disclosed. Cyclic ether monomers are subjected to ring-opening polymerzation at a temperature of 20.degree.-80.degree. C. and a pressure of 0-10 atm in the presence of a solid acid serving as catalyst and a mixture of acid and acid anhydride serving as a promoter. The solid acid is an oxide of group III and group IV elements and has been modified by sulfuric acid, ammonium sulfate or ammonium sulfite.
摘要翻译：公开了一种制备酯封端的聚亚烷基醚的方法。在作为催化剂的固体酸存在下，将环醚单体在20〜80℃的温度和0〜10atm的压力下进行开环聚合，将酸和酸酐的混合物用作启动子。固体酸是III族和IV族元素的氧化物，并被硫酸，硫酸铵或亚硫酸铵改性。

9. 发明授权

US5344964A Method for preparing ester end-capped polyalkylene ether 失效
标题翻译：制备酯封端聚亚烷基醚的方法
公开(公告)号：US5344964A
公开(公告)日：1994-09-06
申请号：US157957
申请日：1993-11-24
申请人： Shiao-Jung Chu , Fu-Chen Liu , Ching-Tang Lin , Wen-Fa Lin , Kuei-Chih Wang , Sheng-Te Yang
发明人： Shiao-Jung Chu , Fu-Chen Liu , Ching-Tang Lin , Wen-Fa Lin , Kuei-Chih Wang , Sheng-Te Yang
IPC分类号： C07C67/24 , C08G65/20 , C08G65/26 , C08G59/68
CPC分类号： C07C67/24 , C08G65/20 , C08G65/2615
摘要： A method for preparing ester end-capped polyalkylene ether is disclosed. Cyclic ether monomers are subjected to ring-opening polymerization at a temperature of 10.degree.-80.degree. C. and a pressure of 0-10 atm in the presence of a solid acid of a mixed oxide of group III and group IV elements serving as catalyst and a mixture of acid and acid anhydride serving as molecular weight moidifier. The group III and group IV elements used should have a Ho index of +3.0 to -10.0.
摘要翻译：公开了一种制备酯封端的聚亚烷基醚的方法。环氧醚单体在10℃-80℃的温度和0-10atm的压力下，在作为催化剂的III族和IV族元素的混合氧化物的固体酸存在下进行开环聚合和作为分子量增湿剂的酸和酸酐的混合物。所使用的III组和IV组元素应具有+3.0至-10.0的Ho指数。

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