公开(公告)号：US06900346B2

公开(公告)日：2005-05-31

申请号：US10183840

申请日：2002-06-27

申请人： Fumio Shibusawa ,  Naoki Serata ,  Kazuhiko Sakamoto

发明人： Fumio Shibusawa ,  Naoki Serata ,  Kazuhiko Sakamoto

IPC分类号： C07C51/377 ,  C07B61/00 ,  C07C51/09 ,  C07C51/50 ,  C07C57/04 ,  C07C57/065 ,  C07C67/327 ,  C07C69/52 ,  C07C51/42

CPC分类号： C07C51/50 ,  C07C51/09 ,  C07C67/327 ,  C07C57/04 ,  C07C69/54

摘要： A method for the decomposition of a Michael type adduct, characterized by causing a Michael type adduct to react in the presence of an N-oxyl compound thereby decomposing the Michael type adduct into acrylic acid and/or the acrylic ester and/or the alcohol and a method for the production of acrylic acid and/or the acrylic ester, characterized by comprising a step of recovering a Michael type adduct formed in the process for the production of acrylic acid or acrylic ester and a step of decomposing the recovered Michael type adduct by the method of decomposition mentioned above. This invention, therefore, allows promotion of efficient utilization of the raw materials.

摘要翻译： 一种分解迈克尔型加合物的方法，其特征在于使迈克尔型加合物在N-氧基化合物存在下反应，从而将迈克尔型加合物分解成丙烯酸和/或丙烯酸酯和/或醇，和 制备丙烯酸和/或丙烯酸酯的方法，其特征在于包括回收在制备丙烯酸或丙烯酸酯的方法中形成的迈克尔型加合物的步骤和通过以下步骤分解回收的迈克尔型加合物： 上述分解方法。 因此，本发明可以促进原料的有效利用。

公开(公告)号：US06870066B2

公开(公告)日：2005-03-22

申请号：US10385359

申请日：2003-03-10

申请人： Fumio Shibusawa ,  Naoki Serata ,  Kazuhiko Sakamoto

发明人： Fumio Shibusawa ,  Naoki Serata ,  Kazuhiko Sakamoto

IPC分类号： C07B61/00 ,  C07C51/09 ,  C07C51/377 ,  C07C51/487 ,  C07C57/04 ,  C07C67/28 ,  C07C67/30 ,  C07C67/327 ,  C07C67/60 ,  C07C69/54 ,  C07C69/73 ,  C07C57/18

CPC分类号： C07C67/327 ,  C07C51/09 ,  C07C51/377 ,  C07C51/487 ,  C07C67/60 ,  C07C57/04 ,  C07C69/54

摘要： A method for the decomposition of a Michael type adduct of an acrylic acid and/or an acrylic ester represented by the following formula [I] or [II] is disclosed, wherein decomposing the Michael type adduct in the presence of at least one copper salt and at least one metal salt selected from the group consisting of an alkali metal salt and an alkaline earth metal salt into an acrylic acid and/or an acrylic ester and/or an alcohol. CH2═CHCOO(—X—COO)n—R1  [I] R2—O(—X—COO)m—R3  [II] (wherein n and m denote an integer in the range of 1-5, R1, R2, and R3 independently denote a hydrogen atom or an alkyl group, and —X— denotes —CH2CH2— or —CH(CH3)—, and —X— may be identical or different when n is 2 or more).

摘要翻译： 公开了分解由下式[I]或[II]表示的丙烯酸和/或丙烯酸酯的迈克尔型加合物的方法，其中在至少一种铜盐存在下分解迈克尔型加合物 和选自碱金属盐和碱土金属盐的至少一种金属盐转化成丙烯酸和/或丙烯酸酯和/或醇（其中n和m表示在 1-5，R 1，R 2和R 3独立地表示氢原子或烷基，-X-表示-CH 2 CH 2 - 或-CH（CH 3） - ，-X-可以 当n为2以上时，相同或不同）。

公开(公告)号：US20100130778A1

公开(公告)日：2010-05-27

申请号：US12451701

申请日：2008-05-15

申请人： Kazuhiko Sakamoto ,  Naoki Serata ,  Toyofumi Sakai

发明人： Kazuhiko Sakamoto ,  Naoki Serata ,  Toyofumi Sakai

IPC分类号： C07C57/05

CPC分类号： C07C51/252 ,  C07C51/412 ,  C07C51/50 ,  C07C57/04 ,  C07C53/10

摘要： The present invention provides a method for effectively preventing the precipitation related to manganese acetate in the pipe for sending a polymerization inhibitor and the like, and the polymerization of (meth)acrylic acid. A first method of the present invention for producing (meth)acrylic acid, characterized in comprising steps of: producing a (meth)acrylic acid-containing gas by catalytic vapor phase oxidation reaction; and obtaining a (meth)acrylic acid-containing fluid by providing the (meth)acrylic acid-containing gas into a condensation column or an absorption column; wherein manganese acetate is used as a polymerization inhibitor; manganese acetate is dissolved into a (meth)acrylic acid aqueous solution containing not more than 10% by mass of (meth)acrylic acid, and the like, to obtain a manganese acetate aqueous solution; and the manganese acetate aqueous solution is provided into the condensation column or the absorption column.

摘要翻译： 本发明提供了一种用于有效地防止用于发送阻聚剂等的管中的醋酸锰沉淀和（甲基）丙烯酸聚合的方法。 本发明的制备（甲基）丙烯酸的第一种方法，其特征在于包括以下步骤：通过催化气相氧化反应制备（甲基）丙烯酸的气体; 并通过将（甲基）丙烯酸的气体提供到缩合塔或吸收塔中来获得含（甲基）丙烯酸的流体; 其中使用乙酸锰作为阻聚剂; 将乙酸锰溶解于含有不超过10质量％的（甲基）丙烯酸等的（甲基）丙烯酸水溶液中，得到乙酸锰水溶液; 并且将乙酸锰水溶液提供到缩合塔或吸收塔中。

公开(公告)号：US08278481B2

公开(公告)日：2012-10-02

申请号：US12451701

申请日：2008-05-15

申请人： Kazuhiko Sakamoto ,  Naoki Serata ,  Toyofumi Sakai

发明人： Kazuhiko Sakamoto ,  Naoki Serata ,  Toyofumi Sakai

IPC分类号： C07C57/02

CPC分类号： C07C51/252 ,  C07C51/412 ,  C07C51/50 ,  C07C57/04 ,  C07C53/10

摘要： The present invention provides a method for effectively preventing the precipitation related to manganese acetate in the pipe for sending a polymerization inhibitor and the like, and the polymerization of (meth)acrylic acid. A first method of the present invention for producing (meth)acrylic acid, characterized in comprising steps of: producing a (meth)acrylic acid-containing gas by catalytic vapor phase oxidation reaction; and obtaining a (meth)acrylic acid-containing fluid by providing the (meth)acrylic acid-containing gas into a condensation column or an absorption column; wherein manganese acetate is used as a polymerization inhibitor; manganese acetate is dissolved into a (meth)acrylic acid aqueous solution containing not more than 10% by mass of (meth)acrylic acid, and the like, to obtain a manganese acetate aqueous solution; and the manganese acetate aqueous solution is provided into the condensation column or the absorption column.

摘要翻译： 本发明提供了一种用于有效地防止用于发送阻聚剂等的管中的醋酸锰沉淀和（甲基）丙烯酸聚合的方法。 本发明的制备（甲基）丙烯酸的第一种方法，其特征在于包括以下步骤：通过催化气相氧化反应制备（甲基）丙烯酸的气体; 并通过将（甲基）丙烯酸的气体提供到缩合塔或吸收塔中来获得含（甲基）丙烯酸的流体; 其中使用乙酸锰作为阻聚剂; 将乙酸锰溶解于含有不超过10质量％的（甲基）丙烯酸等的（甲基）丙烯酸水溶液中，得到乙酸锰水溶液; 并且将乙酸锰水溶液提供到缩合塔或吸收塔中。

公开(公告)号：US06300513B2

公开(公告)日：2001-10-09

申请号：US09729760

申请日：2000-12-05

申请人： Kazuhiko Sakamoto ,  Naoki Serata ,  Kouji Ueno ,  Sei Nakahara ,  Masatoshi Ueoka

发明人： Kazuhiko Sakamoto ,  Naoki Serata ,  Kouji Ueno ,  Sei Nakahara ,  Masatoshi Ueoka

IPC分类号： C07C6954

CPC分类号： C07C51/42 ,  C07C67/62 ,  C07C57/04 ,  C07C69/54

摘要： It intends to prevent the reduction in quantity with time of an oxyl compound in vinyl compounds. The quantity reduction of the N-oxyl compound is suppressed by causing an N-oxyl compound, N-hydroxy-2,2,6,6-tetramethylpiperidine compound and a 2,2,6,6-tetramethylpiperidine compound to co-exist in vinyl compounds.

摘要翻译： 它意图防止乙烯基化合物中氧基化合物随时间的减少。 通过使N-氧基化合物，N-羟基-2,2,6,6-四甲基哌啶化合物和2,2,6,6-四甲基哌啶化合物共存于N-酮基化合物中，可以抑制N-氧基化合物的数量减少 乙烯基化合物。

公开(公告)号：US6084127A

公开(公告)日：2000-07-04

申请号：US31068

申请日：1998-02-26

申请人： Kazuhiko Sakamoto ,  Fumio Shibusawa ,  Sei Nakahara ,  Takahiro Takeda ,  Masatoshi Ueoka

发明人： Kazuhiko Sakamoto ,  Fumio Shibusawa ,  Sei Nakahara ,  Takahiro Takeda ,  Masatoshi Ueoka

IPC分类号： C07C51/48 ,  C07C51/42

CPC分类号： C07C51/48

摘要： An improved method which enables stable and effective recovery of acrylic acid over a prolonged period is provided, said method comprising contacting an acrylic acid-containing gas obtained upon gas-phase catalytic oxidation of propylene and/or acrolein, with water, whereby collecting the acrylic acid in form of an aqueous solution, introducing said aqueous solution into an azeotropic separation column and distilling it in the presence of an azeotropic solvent to isolate and recover the acrylic acid, in which polymerization of the acrylic acid in the azeotropic separation column is prevented. Said method is characterized by using as the azeotropic solvent either a mixed solvent composed of solvent A (eg., ethyl acrylate, methyl methacrylate, etc.) and solvent B (eg., toluene, heptane, etc.) (first embodiment) or the solvent A alone (second embodiment).

摘要翻译： 提供了能够在长时间内稳定且有效地回收丙烯酸的改进方法，所述方法包括使丙烯和/或丙烯醛气相催化氧化获得的含丙烯酸的气体与水接触，由此收集丙烯酸 酸的水溶液形式，将所述水溶液引入共沸分离塔并在共沸溶剂存在下蒸馏，以分离和回收丙烯酸，其中防止共沸分离塔中丙烯酸的聚合。 所述方法的特征在于使用由溶剂A（例如丙烯酸乙酯，甲基丙烯酸甲酯等）和溶剂B（例如甲苯，庚烷等）组成的混合溶剂作为共沸溶剂（第一实施方案）或 溶剂A单独（第二实施方式）。

公开(公告)号：US08846977B2

公开(公告)日：2014-09-30

申请号：US13322967

申请日：2010-06-24

申请人： Kazuhiko Sakamoto ,  Koji Ueno ,  Yoshitake Ishii ,  Masatsugu Kitaura

发明人： Kazuhiko Sakamoto ,  Koji Ueno ,  Yoshitake Ishii ,  Masatsugu Kitaura

IPC分类号： C07C51/42 ,  C07C51/43 ,  B01D9/00

CPC分类号： B01D9/0013 ,  B01D9/004 ,  B01D9/0045 ,  C07C51/43 ,  C07C57/04

摘要： PROBLEMAn object of the present invention is to provide a crystallization unit capable of producing a purified acrylic acid having high purity efficiently.SOLUTIONThe present invention provides a crystallization unit to separate an acrylic acid-containing solution into a mother liquid and a purified acrylic acid, wherein the crystallization unit comprises a crystallizer having an exit to take out the mother liquid and the purified acrylic acid alternately; a supply line to supply the acrylic acid-containing solution to the crystallizer; and a recovery line to recover the mother liquid and the purified acrylic acid alternately from the crystallizer which is connected to the exit, and wherein the recovery line is equipped with an opening and closing unit consisting of a ball valve or a gate valve.

摘要翻译： 发明内容本发明的目的是提供一种能够有效地制备纯度高的纯化丙烯酸的结晶单元。 解决方案本发明提供一种结晶单元，用于将含丙烯酸的溶液分离成母液和纯化丙烯酸，其中结晶单元包括具有出口以交替地取出母液和纯化丙烯酸的结晶器; 用于向结晶器供应含丙烯酸的溶液的供应管线; 以及从与出口连接的结晶器交替地回收母液和纯化丙烯酸的回收管线，其中回收管线配备有由球阀或闸阀构成的开闭单元。

公开(公告)号：US20060274887A1

公开(公告)日：2006-12-07

申请号：US10557899

申请日：2004-05-24

申请人： Kazuhiko Sakamoto ,  Hiroshi Takano

发明人： Kazuhiko Sakamoto ,  Hiroshi Takano

IPC分类号： H05G1/12

CPC分类号： H05G1/12

摘要： A semiconductor switch 12 connected in series with a smoothing capacitor 12 is constituted by connecting in parallel a diode 13D which permits to flow current regenerated from energy of electric charges stored in a high voltage capacitor 17 to a primary side of a high voltage transformer 15 for the smoothing capacitor 12 and switching means 13S which interrupts an output from the smoothing capacitor 12, and after turning off the switching means 13S, through alternative on and off control of switching means 161S˜164S the energy of electric charges stored in the high voltage capacitor 17 is regenerated to the smoothing capacitor 12 by making use of parasitic leakage inductance 15L. As a result, an X-ray high voltage device is provided which permits to drop a wave tail of a tube voltage in a high speed without complexing the structure of the high voltage part thereof.

摘要翻译： 与平滑电容器12串联连接的半导体开关12通过并联连接二极管13构成，该二极管13D允许将存储在高压电容器17中的电荷的能量再生的电流流向高压变压器15的初级侧 对于平滑电容器12和中断来自平滑电容器12的输出的切换装置13S，以及在切换装置13S之后，通过开关装置161S〜164S的可选择的接通和关断控制，存储电荷的能量 通过利用寄生漏电感15L将高电压电容器17再生成平滑电容器12.结果，提供了一种X射线高压装置，其允许将管电压的波尾下降到高 速度，而不会使其高压部分的结构复杂化。

公开(公告)号：US07048834B2

公开(公告)日：2006-05-23

申请号：US09745896

申请日：2000-12-21

申请人： Yoshitake Ishii ,  Kouji Ueno ,  Kazuhiko Sakamoto ,  Sei Nakahara ,  Masatoshi Ueoka ,  Tetsuji Mitsumoto ,  Takeshi Nishimura ,  Mamoru Takamura ,  Hisao Nakama

发明人： Yoshitake Ishii ,  Kouji Ueno ,  Kazuhiko Sakamoto ,  Sei Nakahara ,  Masatoshi Ueoka ,  Tetsuji Mitsumoto ,  Takeshi Nishimura ,  Mamoru Takamura ,  Hisao Nakama

IPC分类号： B01D3/34 ,  B01D3/42 ,  C07C51/44 ,  C07C51/487 ,  C07C57/07

CPC分类号： C07C51/44 ,  C07C51/487 ,  C07C57/04

摘要： The present invention provides an industrially easy and economical method for purification of acrylic acid which enables to efficiently eliminate impurities from a crude acrylic acid containing aldehydes as the impurities while the formation of acrylic acid polymer is inhibited. The method for purification of acrylic acid includes the step of distilling a crude acrylic acid which is charged with an aldehyde treatment chemical, wherein the concentration ratio of furfural to acrolein by weight in the crude acrylic acid is adjusted so as to satisfy the following equation: (furfural concentration by weight)/(acrolein concentration by weight)≦100.

摘要翻译： 本发明提供了一种工业上容易和经济的丙烯酸纯化方法，其能够在抑制丙烯酸聚合物形成的同时，有效地除去含粗醛的丙烯酸作为杂质的杂质。 纯化丙烯酸的方法包括蒸馏装入醛处理化学品的粗丙烯酸的步骤，其中调整粗丙烯酸中的糠醛与丙烯醛的重量比，以满足下列等式： （糠醛浓度按重量计）/（丙烯醛浓度重量）<= 100。<？in-line-formula description =“In-line formula”end =“lead” “公式”end =“tail”？>

公开(公告)号：US07029518B2

公开(公告)日：2006-04-18

申请号：US11079252

申请日：2005-03-15

申请人： Toshiaki Fujii ,  Tsukuru Suzuki ,  Hidetomo Suzuki ,  Kazuhiko Sakamoto

发明人： Toshiaki Fujii ,  Tsukuru Suzuki ,  Hidetomo Suzuki ,  Kazuhiko Sakamoto

IPC分类号： B01D53/04

CPC分类号： B01D46/12 ,  B01D53/04 ,  B01D53/0407 ,  B01D53/0462 ,  B01D53/047 ,  B01D53/26 ,  B01D2253/10 ,  B01D2253/102 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2256/10 ,  B01D2257/11 ,  B01D2257/702 ,  B01D2257/80 ,  B01D2258/0216 ,  B01D2259/40083 ,  B01D2267/40 ,  B01D2279/51 ,  F24F3/1411 ,  F24F3/161 ,  F24F2003/144 ,  F24F2003/1625

摘要： A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as an in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.

摘要翻译： 防止基板或基板表面污染的方法和装置，特别涉及防止在诸如生产中的高科技工业中的原材料，半成品，产品的基材和基板表面的污染 的半导体和液晶。 与基材或基材接触的气体通过除尘装置和吸附和/或吸收装置进行净化，使得气体中的微粒浓度低于1000，非甲烷烃浓度低于0.2ppm。 此后，将基材或基板表面暴露于该气体。