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1. 发明授权

US07544836B2 Process for producing (meth)acrolein or (meth)acrylic acid 有权
标题翻译：制备（甲基）丙烯醛或（甲基）丙烯酸的方法
公开(公告)号：US07544836B2
公开(公告)日：2009-06-09
申请号：US11596287
申请日：2004-10-25
申请人： Kimikatsu Jinno , Yasushi Ogawa , Yoshiro Suzuki , Shuhei Yada
发明人： Kimikatsu Jinno , Yasushi Ogawa , Yoshiro Suzuki , Shuhei Yada
IPC分类号： C07C51/16 , C07C51/235
CPC分类号： B01J8/0085 , B01J8/065 , B01J8/067 , B01J2208/00212 , B01J2208/00796 , B01J2208/00849 , B01J2219/00245 , C07C45/33 , C07C45/35 , C07C51/215 , C07C51/252 , C07C47/22 , C07C57/04
摘要： An object of the invention is to provide a production method for (meth)acrolein or (meth)acrylic acid which can continue an operation without causing a decomposition reaction of acrolein or the like.According to the invention, provided is a production method for (meth)acrolein or (meth)acrylic acid, in which (meth)acrolein or (meth) acrylic acid is obtained by performing a catalytic gas phase oxidation on propylene, propane or isobutylene by using oxygen by means of a heat-exchange type multi-tubular reactor, having a tube bundle portion in which a multiple of reaction tubes each filled with a catalyst are aligned in parallel to one another and a tube plate which is adjacent to a downstream side of the tube bundle portion of the reaction tubes and forms a lead-out portion for a reaction gas, in which the tube bundle portion of the reaction tubes has a hollow-columnar constitution as a whole, and which is characterized in that a rectifier is provided on a tube plate.
摘要翻译：本发明的目的是提供一种可以继续操作而不引起丙烯醛等的分解反应的（甲基）丙烯醛或（甲基）丙烯酸的制备方法。根据本发明，提供了（甲基）丙烯醛或（甲基）丙烯酸的制备方法，其中通过对丙烯，丙烷或异丁烯进行催化气相氧化获得（甲基）丙烯醛或（甲基）丙烯酸）使用具有管束部分的热交换型多管式反应器的氧气，其中每个填充有催化剂的多个反应管彼此平行排列，并且与下游侧相邻的管板反应管的管束部分形成反应气体的引出部分，其中反应管的管束部分作为整体具有中空柱状结构，其特征在于整流器是设在管板上。

2. 发明申请

US20080128263A1 PROCESS FOR PRODUCING ACRYLIC ACID 审中-公开
标题翻译：生产丙烯酸的方法
公开(公告)号：US20080128263A1
公开(公告)日：2008-06-05
申请号：US12024175
申请日：2008-02-01
申请人： Yasushi OGAWA , Shuhei Yada , Kenji Takasaki , Yuichi Fujita
发明人： Yasushi OGAWA , Shuhei Yada , Kenji Takasaki , Yuichi Fujita
IPC分类号： B01D3/34
CPC分类号： C07C51/44 , C07C51/50 , C07C57/04
摘要： The present invention reduces a cost of a polymerization inhibitor required in purification of high purity acrylic acid through distillation. According to the present invention, a condensate obtained through the distillation of acrylic acid in a distillation column is fed to a flasher, to thereby obtain acrylic acid as a product from a distillate distilled from the flasher.
摘要翻译：本发明降低了通过蒸馏纯化高纯度丙烯酸所需的聚合抑制剂的成本。根据本发明，将通过在蒸馏塔中蒸馏丙烯酸得到的冷凝物供给到闪蒸器中，从而从从闪蒸器蒸馏出的馏出物得到作为产物的丙烯酸。

3. 发明授权

US07368601B2 Process for producing (meth)acrylic acids and process for distilling the same 有权
标题翻译：（甲基）丙烯酸的制造方法及蒸馏法
公开(公告)号：US07368601B2
公开(公告)日：2008-05-06
申请号：US11526730
申请日：2006-09-26
申请人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kimikatsu Jinno , Hirochika Hosaka , Kenji Takasaki , Masayasu Goriki
发明人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kimikatsu Jinno , Hirochika Hosaka , Kenji Takasaki , Masayasu Goriki
IPC分类号： C07C51/42
CPC分类号： C07C51/44 , B01D3/14 , B01D3/146 , B01D3/42 , B01D3/4211 , C07C67/54 , C07C57/04 , C07C69/54
摘要： In the stopping and starting operations of a distillation column used for producing (meth)acrylic acids according to the present invention, upon stopping the operation of the distillation column, the heating of a reboiler attached thereto is interrupted and then the reboiler is rapidly cooled; and/or upon starting the operation of the distillation column for production of the (meth)acrylic acids, an inner wall surface of the distillation column is heated to a temperature higher than a condensation temperature of the (meth)acrylic acids and the operation of the distillation column is started under the heated condition. According to the present invention, it is possible to early and safely stop the operation of the distillation column while preventing the occurrence of polymerization within the distillation column, and stably perform an operation for distillation of acrylic monomers for a long period of time.
摘要翻译：在根据本发明的用于生产（甲基）丙烯酸的蒸馏塔的停止和开始操作中，停止蒸馏塔的操作后，连接的再沸器的加热被中断，然后再沸器被快速冷却; 和/或在开始用于生产（甲基）丙烯酸的蒸馏塔的操作时，将蒸馏塔的内壁表面加热到高于（甲基）丙烯酸的冷凝温度的温度和蒸馏塔在加热条件下启动。根据本发明，能够在避免蒸馏塔内发生聚合的同时，早日安全地停止蒸馏塔的运转，并且能够长时间稳定地进行丙烯酸类单体的蒸馏操作。

4. 发明授权

US07258766B2 Method for collecting acrylic acid 有权
标题翻译：收集丙烯酸的方法
公开(公告)号：US07258766B2
公开(公告)日：2007-08-21
申请号：US10828340
申请日：2004-04-21
申请人： Shuhei Yada , Kimikatsu Jinno , Yasushi Ogawa , Yoshiro Suzuki
发明人： Shuhei Yada , Kimikatsu Jinno , Yasushi Ogawa , Yoshiro Suzuki
IPC分类号： B01D3/38 , B01D3/42 , C07C51/42 , C07C57/04
CPC分类号： C07C51/43 , Y10S203/22 , Y10S203/90 , C07C57/04
摘要： A method for collecting acrylic acid is provided, which includes the step of collecting acrylic acid using an aqueous medium from a reaction gas containing acrylic acid obtained by catalytic vapor-phase oxidation of propane, propylene, and/or acrolein, the step being conducted so as to satisfy the following formula (1) (B/A)
摘要翻译：提供一种收集丙烯酸的方法，其包括使用丙烯酸，丙烯和/或丙烯醛的催化气相氧化获得的含有丙烯酸的反应气体的水性介质收集丙烯酸的步骤，所述步骤被进行满足下式（1）（B / A）<1.25（1）其中A表示丙烯酸与收集丙烯酸前反应气体中所有可冷凝成分的重量分数，B表示丙烯酸的重量分数在收集步骤中使用的收集装置的底部。根据该方法，可以从含有通过催化气相氧化得到的丙烯酸的反应气体中有效地收集丙烯酸。

5. 发明申请

US20070060703A1 Method for producing (meth)acrylic acid derivative 审中-公开
标题翻译：（甲基）丙烯酸衍生物的制造方法
公开(公告)号：US20070060703A1
公开(公告)日：2007-03-15
申请号：US11512321
申请日：2006-08-30
申请人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki , Yukihiro Hasegawa
发明人： Yasushi Ogawa , Shuhei Yada , Yoshiro Suzuki , Kenji Takasaki , Yukihiro Hasegawa
IPC分类号： C08F2/22
CPC分类号： C07C51/00 , C07C67/08 , C07C69/54
摘要： The present invention provides a method for efficiently using an aqueous solution of (meth)acrylic acid at a low concentration formed in a production/storage step of (meth)acrylic acid. In the present invention, a (meth)acrylic acid derivative is produced by using as a raw material an aqueous solution of (meth)acrylic acid formed by one or both of: a device which reduces a pressure of a gas comprising (meth)acrylic acid in production of (meth)acrylic acid; and a device which collects (meth)acrylic acid from a gas comprising (meth)acrylic acid.
摘要翻译：本发明提供一种在（甲基）丙烯酸的制造/储存步骤中形成的低浓度的（甲基）丙烯酸的水溶液的有效利用方法。在本发明中，以（甲基）丙烯酸的水溶液作为原料，使用（甲基）丙烯酸的水溶液形成的（甲基）丙烯酸衍生物，其中，（甲基）丙烯酸生产中的酸; 以及从包含（甲基）丙烯酸的气体收集（甲基）丙烯酸的装置。

6. 发明授权

US07188639B2 Storage tank for easily polymerizable compound and method of storage 有权
标题翻译：容易聚合的化合物储存罐和储存方法
公开(公告)号：US07188639B2
公开(公告)日：2007-03-13
申请号：US10840612
申请日：2004-05-07
申请人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kimikatsu Jinno , Hirochika Hosaka , Masayasu Goriki
发明人： Shuhei Yada , Yasushi Ogawa , Yoshiro Suzuki , Kimikatsu Jinno , Hirochika Hosaka , Masayasu Goriki
IPC分类号： F16K49/00 , F17D1/16
CPC分类号： B01J19/00 , B01J2219/00006 , B01J2219/00083 , B01J2219/00247 , B01J2219/00252 , B01J2219/00254 , Y10T137/0391 , Y10T137/6416 , Y10T137/6579 , Y10T137/85978
摘要： A storage tank for an easily polymerizable compound has acceptance piping and delivery piping with a circulation line directly connecting the acceptance piping to the delivery piping or with circulation lines respectively connecting the acceptance piping to the storage tank and the storage tank to the delivery piping. A method of storing an easily polymerizable compound in the storage tank includes circulating the compound in the storage tank through the circulation line(s), where the compound can be (meth)acrylic acid being produced and/or purified with the temperature of purified (meth)acrylic acid being supplied to or removed from the storage tank being regulated to not be higher than the temperature thereof in the tank. A method of joining pipes for-transporting a corrosive liquid using flanges, bolts, and nuts made of a material having resistance to corrosion by the corrosive liquid.
摘要翻译：用于容易聚合的化合物的储罐具有接收管道和输送管道，其具有将接收管线直接连接到输送管线的循环管线或分别将接收管路连接到储罐和储存箱的输送管线的循环管线。将容易聚合的化合物储存在储罐中的方法包括使化合物在储罐中循环通过循环管线，其中化合物可以是纯化的（...）的温度产生和/或纯化的（甲基）丙烯酸甲基）丙烯酸被提供给或从储罐中取出被调节为不高于罐中的温度。使用由腐蚀性液体具有耐腐蚀性的材料制成的法兰，螺栓和螺母来连接输送腐蚀性液体的管道的方法。

7. 发明申请

US20070055079A1 Method for producing (meth)acrylic acid 审中-公开
标题翻译：（甲基）丙烯酸的制造方法
公开(公告)号：US20070055079A1
公开(公告)日：2007-03-08
申请号：US11508247
申请日：2006-08-23
申请人： Shuhei Yada , Kenji Takasaki , Yoshiro Suzuki , Yasushi Ogawa
发明人： Shuhei Yada , Kenji Takasaki , Yoshiro Suzuki , Yasushi Ogawa
IPC分类号： C07C51/42
CPC分类号： C07C51/46 , C07C57/04
摘要： The present invention provides a method for suppressing an undesirable polymerization reaction of (meth)acrylic acid in a purification step for producing (meth)acrylic acid and for avoiding troubles due to clogging of devices or the like, to thereby attain a stable continuous operation. The present invention provides a method for producing (meth)acrylic acid comprising: distilling a water-containing liquid of (meth)acrylic acid containing (meth)acrylic acid and water by using a distillation column in the presence of an azeotropic solvent boiling together with at least water to remove water from the water-containing liquid of (meth)acrylic acid through azeotropy with the azeotropic solvent, in which the water-containing liquid of (meth)acrylic acid is distilled in the presence of the azeotropic solvent after distillation by the azeotropic solvent is carried out in the distillation column.
摘要翻译：本发明提供一种抑制（甲基）丙烯酸在制造（甲基）丙烯酸的纯化步骤中不期望的聚合反应的方法，并且避免了由于装置等的堵塞而引起的麻烦，从而获得稳定的连续操作。本发明提供一种（甲基）丙烯酸的制造方法，其特征在于，在与共沸溶剂一起沸腾的共沸溶剂的存在下，使用蒸馏塔，蒸馏含（甲基）丙烯酸和水的（甲基）丙烯酸的含水液体，至少要通过与共沸溶剂共沸以从（甲基）丙烯酸的含水液体中除去水，其中（甲基）丙烯酸的含水液体在蒸馏后在共沸溶剂存在下被蒸馏，共沸溶剂在蒸馏塔中进行。

8. 发明授权

US07188104B2 Apparatus for retrieving documents 有权
标题翻译：检索文件的装置
公开(公告)号：US07188104B2
公开(公告)日：2007-03-06
申请号：US10724213
申请日：2003-12-01
申请人： Yasushi Ogawa
发明人： Yasushi Ogawa
IPC分类号： G06F17/30 , G06F17/00 , G06F17/27
CPC分类号： G06F17/30616 , Y10S707/99932 , Y10S707/99933 , Y10S707/99943
摘要： In an apparatus for retrieving documents, each document and a query character string are divided into a plurality of index keys. A retrieval condition analyzing part analyses a retrieval condition including the index keys divided from the query character string and generates a retrieval condition tree synthesized by at least one operator that retrieves an intermediate retrieval result including the document information from said index table. A retrieval condition evaluating part evaluates each intermediate retrieval result obtained by the retrieval condition tree and determining a final retrieval result.
摘要翻译：在用于检索文档的装置中，每个文档和查询字符串被分成多个索引关键字。检索条件分析部分分析包括从查询字符串中分离的索引关键字的检索条件，并生成由至少一个运算符合成的检索条件树，该检索条件树从所述索引表中检索包括文档信息的中间检索结果。检索条件评估部分对由检索条件树获得的每个中间检索结果进行评估并确定最终检索结果。

9. 发明授权

US07148373B2 Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters 有权
标题翻译：纯化（甲基）丙烯酸的方法和（甲基）丙烯酸酯的制备方法
公开(公告)号：US07148373B2
公开(公告)日：2006-12-12
申请号：US11006806
申请日：2004-12-08
申请人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
发明人： Shuhei Yada , Kenji Takasaki , Yasushi Ogawa , Yoshiro Suzuki
IPC分类号： C07C69/52
CPC分类号： C07C51/47 , C07C67/08 , C07C57/04 , C07C69/54
摘要： There is provided a process for purifying (meth)acrylic acid by efficiently removing transition metal components from crude (meth)acrylic acid containing the transition metal components as impurities. When the crude (meth)acrylic acid containing the transition metal components as impurities is contacted with the cation exchange resin to remove the transition metal components therefrom, water is previously added to the crude (meth)acrylic acid prior to contacting the crude (meth)acrylic acid with the cation exchange resin. In the preferred embodiment of the present invention, the transition metal component is manganese.
摘要翻译：提供了通过有效地从含有过渡金属成分的（甲基）丙烯酸中除去过渡金属成分作为杂质来纯化（甲基）丙烯酸的方法。当含有作为杂质的过渡金属组分的粗制（甲基）丙烯酸与阳离子交换树脂接触以除去其中的过渡金属组分时，在将粗（甲基）丙烯酸接触粗制（甲基）丙烯酸之前，丙烯酸与阳离子交换树脂。在本发明的优选实施方案中，过渡金属组分是锰。

10. 发明授权

US07135594B2 Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof 有权
标题翻译：防止装置处理（甲基）丙烯酸或其酯的堵塞方法
公开(公告)号：US07135594B2
公开(公告)日：2006-11-14
申请号：US11000505
申请日：2004-12-01
申请人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
发明人： Shuhei Yada , Yasushi Ogawa , Kenji Takasaki , Yoshiro Suzuki
IPC分类号： C07C57/02 , C07C69/52
CPC分类号： C07C51/50 , C07C67/62 , C07C57/04 , C07C69/54
摘要： There is provided a method for preventing clogging in an apparatus for handling (meth)acrylic acid or esters thereof which is capable of inhibiting occurrence of clogging in nozzles or conduits connected to a gas-phase portion of the apparatus and ensuring a stable continuous operation of the apparatus for a long period of time. The method for preventing clogging in an apparatus for handling (meth)acrylic acid or esters thereof, comprises blowing a gas having a polymerization inhibiting action into a nozzle or conduit connected to a gas-phase portion of the apparatus, wherein said gas having a polymerization inhibiting action, which is blown into the nozzle or conduit, has a temperature not less than a temperature of the gas-phase portion.
摘要翻译：提供了一种防止用于处理（甲基）丙烯酸或其酯的装置中的堵塞的方法，其能够抑制连接到装置的气相部分的喷嘴或管道中的堵塞发生，并确保稳定的连续操作该设备很长一段时间。用于防止用于处理（甲基）丙烯酸或其酯的装置中的堵塞的方法包括将具有聚合抑制作用的气体吹送到与装置的气相部分连接的喷嘴或导管中，其中所述具有聚合性的气体吹入喷嘴或导管中的抑制作用具有不低于气相部分的温度的温度。

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