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公开(公告)号:US07122698B2
公开(公告)日:2006-10-17
申请号:US10680919
申请日:2003-10-08
申请人: Hiroshi Yoshida , Hideaki Tsuneki , Toshio Hayashi , Hideyuki Baba , Takahiro Inagaki , Satoshi Nakagawa , Yukihiko Kakimoto , Ritsuo Kitada , Kohei Umehara
发明人: Hiroshi Yoshida , Hideaki Tsuneki , Toshio Hayashi , Hideyuki Baba , Takahiro Inagaki , Satoshi Nakagawa , Yukihiko Kakimoto , Ritsuo Kitada , Kohei Umehara
IPC分类号: C07C69/66
CPC分类号: C07C67/40 , C07C69/675
摘要: The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes.The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3:Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester;Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; andStep 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.
摘要翻译: 本发明提供了一种更有效地制备α-羟基羧酸酯的方法,其中与现有技术的制备方法相比,由于α-羟基羧酸酯的副反应被抑制或被阻止。 本发明提供了一种制备α-羟基羧酸酯的方法,其包括步骤1至3:步骤1,在氧的存在下,(i)1,2-二醇与1,2-二醇或(ii) 具有醇的1,2-二醇以获得含有α-羟基羧酸酯的反应产物; 步骤2.通过减压蒸馏从步骤1中获得的反应产物中分离α-羟基羧酸酯; 和步骤3.向通过部分或全部从反应产物中除去水而获得的混合物进料步骤1,其中混合物含有未反应的1,2-二醇和/或醇。
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公开(公告)号:US20050090686A1
公开(公告)日:2005-04-28
申请号:US10680919
申请日:2003-10-08
申请人: Hiroshi Yoshida , Hideaki Tsuneki , Toshio Hayashi , Hideyuki Baba , Takahiro Inagaki , Satoshi Nakagawa , Yukihiko Kakimoto , Ritsuo Kitada , Kohei Umehara
发明人: Hiroshi Yoshida , Hideaki Tsuneki , Toshio Hayashi , Hideyuki Baba , Takahiro Inagaki , Satoshi Nakagawa , Yukihiko Kakimoto , Ritsuo Kitada , Kohei Umehara
CPC分类号: C07C67/40 , C07C69/675
摘要: The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes. The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3: Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester; Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; and Step 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.
摘要翻译: 本发明提供了一种更有效地制备α-羟基羧酸酯的方法,其中与现有技术的制备方法相比,由于α-羟基羧酸酯的副反应被抑制或被阻止。 本发明提供了一种制备α-羟基羧酸酯的方法,其包括步骤1至3:步骤1,在氧的存在下,(i)1,2-二醇与1,2-二醇或(ii) 具有醇的1,2-二醇以获得含有α-羟基羧酸酯的反应产物; 步骤2.通过减压蒸馏从步骤1中获得的反应产物中分离α-羟基羧酸酯; 和步骤3.向通过部分或全部从反应产物中除去水而获得的混合物进料步骤1,其中混合物含有未反应的1,2-二醇和/或醇。
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公开(公告)号:US08680330B2
公开(公告)日:2014-03-25
申请号:US13147643
申请日:2010-01-29
申请人: Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
发明人: Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
IPC分类号: C07C51/42
摘要: A process for producing (meth)acrylic acid of the present invention comprises the steps in the following order: a crystallization step of supplying a cooling medium cooled by a heat source device to a crystallizer to obtain a (meth)acrylic acid crystal from a crude (meth)acrylic acid solution; an adjustment step of returning the cooling medium discharged from the crystallizer to the crystallizer without cooling; a sweating step of supplying a heating medium to the crystallizer to partially melt the (meth)acrylic acid crystal, thereby obtaining a melted liquid, and discharging the melted liquid from the crystallizer; and a melting step of supplying the heating medium to the crystallizer to melt the (meth)acrylic acid crystal, thereby obtaining purified (meth)acrylic acid. According to the present invention, purified (meth)acrylic acid with high purity can be obtained.
摘要翻译: 制备本发明的(甲基)丙烯酸的方法包括以下顺序的步骤:将由热源装置冷却的冷却介质供给结晶器的结晶步骤,从粗制得到(甲基)丙烯酸晶体 (甲基)丙烯酸溶液; 将结晶器排出的冷却介质返回到结晶器而不冷却的调整步骤; 向所述结晶器供给加热介质以部分熔融所述(甲基)丙烯酸晶体,从而获得熔融液体并从所述结晶器排出熔融液体的出汗步骤; 以及将加热介质供给结晶器以熔融(甲基)丙烯酸晶体,从而获得纯化的(甲基)丙烯酸的熔融步骤。 根据本发明,可以得到高纯度的(甲基)丙烯酸。
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公开(公告)号:US20110319661A1
公开(公告)日:2011-12-29
申请号:US13147643
申请日:2010-01-29
申请人: Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
发明人: Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
IPC分类号: C07C51/43
摘要: A process for producing (meth)acrylic acid of the present invention comprises the steps in the following order: a crystallization step of supplying a cooling medium cooled by a heat source device to a crystallizer to obtain a (meth)acrylic acid crystal from a crude (meth)acrylic acid solution; an adjustment step of returning the cooling medium discharged from the crystallizer to the crystallizer without cooling; a sweating step of supplying a heating medium to the crystallizer to partially melt the (meth)acrylic acid crystal, thereby obtaining a melted liquid, and discharging the melted liquid from the crystallizer; and a melting step of supplying the heating medium to the crystallizer to melt the (meth)acrylic acid crystal, thereby obtaining purified (meth)acrylic acid. According to the present invention, purified (meth)acrylic acid with high purity can be obtained.
摘要翻译: 制备本发明的(甲基)丙烯酸的方法包括以下顺序的步骤:将由热源装置冷却的冷却介质供给结晶器的结晶步骤,从粗制得到(甲基)丙烯酸晶体 (甲基)丙烯酸溶液; 将结晶器排出的冷却介质返回结晶器而不冷却的调整步骤; 向所述结晶器供给加热介质以部分熔融所述(甲基)丙烯酸晶体,从而获得熔融液体并从所述结晶器排出熔融液体的出汗步骤; 以及将加热介质供给结晶器以熔融(甲基)丙烯酸晶体,从而获得纯化的(甲基)丙烯酸的熔融步骤。 根据本发明,可以得到高纯度的(甲基)丙烯酸。
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公开(公告)号:US07972815B2
公开(公告)日:2011-07-05
申请号:US12019793
申请日:2008-01-25
申请人: Katsutoshi Sasaki , Norihiko Shiraishi , Ayumi Natsume , Yoji Yamada , Satoshi Nakagawa , Susume Sekine
发明人: Katsutoshi Sasaki , Norihiko Shiraishi , Ayumi Natsume , Yoji Yamada , Satoshi Nakagawa , Susume Sekine
CPC分类号: C12N9/1051 , A61K38/00 , C07K2319/02 , C12N9/1085
摘要: The present invention provides a novel polypeptide having a β1,3-N-acetylglucosaminyl transferase activity; a method for producing the polypeptide; a DNA which encodes the polypeptide; a recombinant vector into which the DNA is inserted; a transformant comprising the recombinant vector; a method for producing a sugar chain or complex carbohydrate, using the polypeptide; a method for producing a sugar chain or complex carbohydrate, using the transformant; an antibody which recognizes the polypeptide; a method for screening a substance which changes the expression of the gene which encodes the polypeptide; and a method for screening a substance which changes the activity of the polypeptide.
摘要翻译: 本发明提供了具有“1,3-N-乙酰氨基葡糖基转移酶活性”的新型多肽; 一种生产该多肽的方法; 编码多肽的DNA; 插入DNA的重组载体; 包含重组载体的转化体; 使用该多肽制备糖链或复合碳水化合物的方法; 使用该转化体生产糖链或复合碳水化合物的方法; 识别多肽的抗体; 用于筛选改变编码多肽的基因表达的物质的方法; 以及筛选改变多肽活性的物质的方法。
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公开(公告)号:US07858995B2
公开(公告)日:2010-12-28
申请号:US12222126
申请日:2008-08-01
申请人: Satoshi Nakagawa , Hiroki Tsujimura
发明人: Satoshi Nakagawa , Hiroki Tsujimura
IPC分类号: H01L21/00
CPC分类号: H01L33/16 , H01L33/10 , H01L2224/48091 , H01L2224/48247 , H01S5/3202 , H01S5/3203 , H01S5/32341 , H01L2924/00014
摘要: A semiconductor light emitting device includes a substrate, and a light emitting portion that is disposed on the substrate, and includes an active layer formed of a group III nitride semiconductor using a nonpolar plane or a semipolar plane as a growth principal surface, in which side end surfaces of the active layer are specular surfaces.
摘要翻译: 一种半导体发光器件包括衬底和设置在衬底上的发光部分,并且包括使用非极性平面或半极性平面作为生长主面的由III族氮化物半导体形成的有源层,其中, 有源层的端面是镜面。
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公开(公告)号:US20090050917A1
公开(公告)日:2009-02-26
申请号:US12222126
申请日:2008-08-01
申请人: Satoshi Nakagawa , Hiroki Tsujimura
发明人: Satoshi Nakagawa , Hiroki Tsujimura
IPC分类号: H01L33/00
CPC分类号: H01L33/16 , H01L33/10 , H01L2224/48091 , H01L2224/48247 , H01S5/3202 , H01S5/3203 , H01S5/32341 , H01L2924/00014
摘要: A semiconductor light emitting device includes a substrate, and a light emitting portion that is disposed on the substrate, and includes an active layer formed of a group III nitride semiconductor using a nonpolar plane or a semipolar plane as a growth principal surface, in which side end surfaces of the active layer are specular surfaces.
摘要翻译: 一种半导体发光器件包括衬底和设置在衬底上的发光部分,并且包括使用非极性平面或半极性平面作为生长主面的由III族氮化物半导体形成的有源层,其中, 有源层的端面是镜面。
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公开(公告)号:US20070165624A1
公开(公告)日:2007-07-19
申请号:US11451368
申请日:2006-06-13
申请人: Hiroshi Saito , Yukio Ogawa , Yuji Kimura , Toshikazu Yasue , Satoshi Nakagawa
发明人: Hiroshi Saito , Yukio Ogawa , Yuji Kimura , Toshikazu Yasue , Satoshi Nakagawa
CPC分类号: H04L43/50
摘要: In a network system, which has a first computer belonging to a first network, a second computer belonging to a second network, and a first router and a second router belonging to a third network, wherein the first computer and the second computer are connected through a logical path built between the first router and the second router, wherein the first, second and third network are connected to one another, wherein the first and second network and the third network are independently operated; the first router stores as its first address an address used by the first network but not used by the first computer, or an address used by the second network but not used by the second computer and, based on the first address, sends a first packet and receives a second packet corresponding to the first packet.
摘要翻译: 在具有属于第一网络的第一计算机,属于第二网络的第二计算机以及属于第三网络的第一路由器和第二路由器的网络系统中,其中所述第一计算机和所述第二计算机通过 构建在所述第一路由器和所述第二路由器之间的逻辑路径,其中所述第一,第二和第三网络彼此连接,其中所述第一和第二网络和所述第三网络被独立地操作; 第一路由器将其第一地址作为第一网络使用但不被第一计算机使用的地址或由第二网络使用但不被第二计算机使用的地址存储,并且基于第一地址,发送第一分组 并接收对应于第一分组的第二分组。
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公开(公告)号:USD536938S1
公开(公告)日:2007-02-20
申请号:US29194282
申请日:2003-11-24
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公开(公告)号:USD512425S1
公开(公告)日:2005-12-06
申请号:US29197579
申请日:2004-01-20
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