公开(公告)号：US4634784A

公开(公告)日：1987-01-06

申请号：US741053

申请日：1985-06-04

申请人： Nobuyuki Nagato ,  Hideki Mori ,  Kenichiro Maki ,  Ryoji Ishioka

发明人： Nobuyuki Nagato ,  Hideki Mori ,  Kenichiro Maki ,  Ryoji Ishioka

IPC分类号： C07C29/62 ,  C07D301/26 ,  C07D303/08

CPC分类号： C07D301/26 ,  C07C29/62

摘要： A process for producing epichlorohydrin comprising the steps of:(a) reacting allyl alcohol with chlorine at a temperature of -30.degree. C. to 20.degree. C. under a pressure of 0 to 10 atm (gauge) in an aqueous hydrogen chloride solution containing more than 45% but not more than 70% by weight of hydrogen chloride to form 2,3-dichloro-1-propanol;(b) separating at least a portion of the hydrogen chloride by heating the reaction mixture obtained at step (a) to recover the hydrogen chloride in the form of gas;(c) recycling the hydrogen chloride recovered at step (b) to step (a);(d) separating the resultant liquid mixture after recovering at least the portion of the hydrogen chloride at step (b) into an aqueous phase and an oil phase by cooling the resultant liquid mixture to a temperature of 40.degree. C. or less;(e) recycling at least a portion of the separated aqueous phase at step (d) to step (a); and(f) reacting the oil phase separated at step (d) directly or after increasing the purity of 2,3-dichloro-1-propanol contained in the oil phase by a separation operation with an aqueous alkaline solution or suspension at a temperature of 40.degree. C. to 110.degree. C. to form epichlorohydrin.According to this process, the desired epichlorohydrin can be industrially and advantageously produced at a high yield and selectivity.

摘要翻译： 一种制备表氯醇的方法，包括以下步骤：（a）在0至10atm（表压）的压力下，在-30℃至20℃的温度下，使烯丙醇与氯反应， 大于45重量％但不大于70重量％的氯化氢以形成2,3-二氯-1-丙醇; （b）通过加热步骤（a）获得的反应混合物来分离至少一部分氯化氢以回收气体形式的氯化氢; （c）将步骤（b）回收的氯化氢再循环到步骤（a）; （d）在步骤（b）将至少一部分氯化氢回收至水相和油相后，将所得液体混合物冷却至40℃或更低的温度，分离所得液体混合物; （e）在步骤（d）至步骤（a）中将至少一部分分离的水相再循环; 和（f）使步骤（d）分离的油相与在碱性溶液或悬浮液中分离操作之后，在油相中包含的2,3-二氯-1-丙醇的纯度提高之后，在步骤（d） 40℃至110℃以形成表氯醇。 根据该方法，所需的表氯醇可以在工业上有利地以高产率和选择性生产。

公开(公告)号：US4567292A

公开(公告)日：1986-01-28

申请号：US695024

申请日：1985-01-25

申请人： Nobuyuki Nagato ,  Kenichiro Maki ,  Tomoe Uematsu ,  Ryoji Ishioka

发明人： Nobuyuki Nagato ,  Kenichiro Maki ,  Tomoe Uematsu ,  Ryoji Ishioka

IPC分类号： C07C67/05

CPC分类号： C07C67/055

摘要： A process for producing an allyl carboxylate comprising the step of reacting propylene, oxygen or oxygen-containing gas, and a lower saturated carboxylic acid in the presence of a catalyst at a temperature of 100.degree. C. to 300.degree. C. and a pressure of 0 to 30 atm (gauge) in a vapor phase. The catalyst is prepared by supporting, on a carrier, at least one alkali metal acetate and at least one bivalent palladium salt in the presence of: (A) at least one organic base selected from the group consisting of (i) aliphatic amines having the formula: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 may be the same or different and represent hydrogen, or an alkyl group having 1 to 10 carbon atoms or benzyl group optionally substituted with --CN, --OR, --COOR, or a --N(R).sub.2 group wherein R is H or an alkyl group having 1 to 3 carbon atoms, or any two groups of R.sup.1, R.sup.2, and R.sup.3 may together form a ring provided that R.sup.1, R.sup.2, and R.sup.3 are not simultaneously hydrogen; (ii) aromatic amines having the formula: ##STR2## wherein X represent --R, --CN, --OR, --COOR, --NO.sub.2, or --N(R).sub.2 wherein R is the same as defined above, R.sup.2 and R.sup.3 are the same as defined above; and (iii) nitrogen-containing cyclic compounds having the formula: ##STR3## wherein X is the same as defined above; and/or (B) at least one carboxylic acid having the formula:Y--CH.sub.2).sub.n COOHwherein Y represents --OR, --CN, --COOR, --CH(R)NH.sub.2, --COR, --N(CH.sub.2 COOH).sub.2, --NHCH.sub.2 COOH, or --CH(R.sup.1)X group wherein R, R.sup.1, and X are the same as defined in (A) above, and n is an integer of 1 to 4.This catalyst has a high activity and a long durability and can produce the desired allyl carboxylate at a high selectivity.

摘要翻译： 一种制备烯丙基羧酸酯的方法，包括在催化剂存在下，在100℃至300℃的温度下，使丙烯，氧或含氧气体和较低饱和羧酸反应的步骤， 0〜30atm（表压）气相。 所述催化剂是通过在载体上负载至少一种碱金属乙酸盐和至少一种二价钯盐来制备的：（A）至少一种有机碱，所述有机碱选自：（i）具有 式：其中R 1，R 2和R 3可以相同或不同，表示氢，或具有1-10个碳原子的烷基或任选被-CN，-OR，-COOR或 - N（R）2基团，其中R为H或具有1至3个碳原子的烷基，或任何两个R 1，R 2和R 3可以一起形成环，条件是R 1，R 2和R 3不同时为氢; （ii）具有下式的芳香胺：其中X表示-R，-CN，-OR，-COOR，-NO 2或-N（R）2，其中R与上述定义相同，R 2和R 3为 与上述相同; 和（iii）具有下式的含氮环状化合物：其中X与上述定义相同; 和/或（B）至少一种具有下式的羧酸：Y-CH 2）n COOH其中Y表示-OR，-CN，-COOR，-CH（R）NH 2，-COR，-N（CH 2 COOH） -NHCH 2 COOH或-CH（R 1）X基团，其中R，R 1和X与上述（A）中所定义相同，n为1至4的整数。该催化剂具有高活性和长的耐久性， 可以以高选择性产生所需的烯丙基羧酸酯。

公开(公告)号：US08664414B2

公开(公告)日：2014-03-04

申请号：US13256863

申请日：2010-03-17

申请人： Nobuyuki Nagato ,  Hiroshi Uchida ,  Katsura Horikoshi ,  Mitsuhiro Imaizumi

发明人： Nobuyuki Nagato ,  Hiroshi Uchida ,  Katsura Horikoshi ,  Mitsuhiro Imaizumi

IPC分类号： C07D301/12

CPC分类号： C07D301/12 ,  C07D303/16 ,  C07D303/40 ,  C07D303/44

摘要： According to the present invention, a process for producing an epoxy compound, where an epoxy compound can be selectively produced from olefins with good yield at low cost in a safe manner by a simple operation under mild conditions without using a quaternary ammonium salt or a metal compound, is provided. The present invention relates to a process for producing an epoxy compound, comprising epoxidizing a carbon-carbon double bond of an organic compound having a carbon-carbon double bond by using hydrogen peroxide as an oxidant, wherein the epoxidation is carried by out using an organic nitrile compound and an organic amine compound.

摘要翻译： 根据本发明，一种环氧化合物的制造方法，其中环氧化合物可以通过简单的操作在温和条​​件下以低成本以低成本以低成本选择性地由烯烃选择性地制备，而不使用季铵盐或金属 化合物。 环氧化合物的制造方法技术领域本发明涉及环氧化合物的制造方法，其特征在于，使用过氧化氢作为氧化剂，对具有碳 - 碳双键的有机化合物的碳 - 碳双键进行环氧化，其中所述环氧化是使用有机 腈化合物和有机胺化合物。

公开(公告)号：US06755884B2

公开(公告)日：2004-06-29

申请号：US10182205

申请日：2002-07-26

申请人： Kazumi Naito ,  Nobuyuki Nagato

发明人： Kazumi Naito ,  Nobuyuki Nagato

IPC分类号： B22F100

CPC分类号： H01G9/0525 ,  B22F2998/00 ,  C22C1/045 ,  C22C32/00 ,  C22C32/0031 ,  B22F1/0096

摘要： A niobium powder for capacitors, having an average particle size of from 10 to 500 &mgr;m, which is a granulated powder having an oxygen content of 3 to 9% by mass; a sintered body thereof; and a capacitor fabricated from the sintered body as one part electrode, a dielectric material formed on the surface of the sintered body, and another part electrode provided on the dielectric material. A capacitor manufactured from the sintered body of a niobium powder of the present invention is prevented from deterioration in the performance for a long period of time and has high reliability.

摘要翻译： 一种电容器用铌粉，其平均粒径为10〜500μm，为氧含量为3〜9质量％的造粒粉末; 其烧结体; 以及由烧结体制成的电容器作为一部分电极，形成在烧结体表面上的电介质材料和设置在电介质材料上的另一部分电极。 由本发明的铌粉末烧结体制成的电容器长时间不发生性能劣化，可靠性高。

公开(公告)号：US06660057B1

公开(公告)日：2003-12-09

申请号：US09857109

申请日：2001-06-01

申请人： Kazumi Naito ,  Kazuhiro Omori ,  Nobuyuki Nagato

发明人： Kazumi Naito ,  Kazuhiro Omori ,  Nobuyuki Nagato

IPC分类号： B22F100

CPC分类号： H01G9/0525 ,  C22C32/0089 ,  C23C8/24

摘要： A powder composition for a capacitor comprising a tantalum or niobium and a compound having a silicon-oxygen bond, at least a part of which may be nitrided and which has an average particle size of from 0.1 to 5 &mgr;m; a sintered body using the composition; and a capacitor constituted by the sintered body as one part electrode, and another part electrode. A capacitor favored with high reliability, lower dissipation level of power and smaller deterioration of capacitance than conventional tantalum capacitors using tantalum can be produced by using a sintered body of the powder composition for a capacitor.

摘要翻译： 一种用于电容器的粉末组合物，其包含钽或铌和具有硅 - 氧键的化合物，其至少一部分可被氮化并且其平均粒径为0.1至5μm; 使用该组合物的烧结体; 以及由烧结体构成为一部分电极的电容器和另一部分电极。 通过使用用于电容器的粉末组合物的烧结体，可以制造出具有高可靠性，较低耗散功率和较小的电容劣化的电容器。

公开(公告)号：US06539932B2

公开(公告)日：2003-04-01

申请号：US09768795

申请日：2001-01-25

申请人： Hitoshi Ohmori ,  Masashi Shigeto ,  Nobuyuki Nagato

发明人： Hitoshi Ohmori ,  Masashi Shigeto ,  Nobuyuki Nagato

IPC分类号： B24B5307

CPC分类号： B28D5/0058 ,  B24B27/06 ,  B24B53/001 ,  B28D5/042 ,  Y10T83/687

摘要： A thin strip-shaped grindstone 12 is held flat under tension and moved backwards and forwards in the longitudinal direction, while the grindstone is moved in a direction perpendicular to a cylindrical ingot 1 and cuts the ingot. A metal-bonded grindstone is used as the strip-shaped grindstone 12, at least one pair of electrodes 23 are disposed adjacent to both surfaces of the metal-bonded grindstone one on each side of the ingot. The metal-bonded grindstone is made the positive electrode and DC voltage pulses are applied between the grindstone and the electrodes, and at the same time, a conducting processing fluid 25 is fed to the gaps between the metal-bonded grindstone and the electrodes, and both surfaces of the metal-bonded grindstone are dressed electrolytically on both sides while the cylindrical ingot is being cut by the metal-bonded grindstone. A large diameter, hard, refractory ingot can be efficiently cut with a small amount of cutting waste, warping and uneven thickness of the finished surface are reduced, roughness of the cut surface is small, little damage is given to the crystal during processing, running costs are low and there is a reduction in manpower requirements.

摘要翻译： 薄的带状磨石12在张力下保持平坦，并在纵向方向上向前和向前移动，同时磨石沿垂直于圆柱形锭1的方向移动并切割锭。 使用金属粘结磨石作为带状磨石12，至少一对电极23与铸锭的每一侧上的金属粘结磨石的两个表面相邻设置。 将金属结合的砂轮制成正极，并且在磨石与电极之间施加直流电压脉冲，同时将导电加工流体25供给到金属粘结磨石与电极之间的间隙， 金属粘结磨石的两个表面在两面被电解，而圆柱体被金属粘结的磨石切割。 可以用少量的切割废料有效地切割大直径硬质耐火锭，缩短成品表面的翘曲和不均匀厚度，切割面的粗糙度小，加工过程中晶体损坏小，运行 成本低，人力需求下降。

公开(公告)号：US07011692B2

公开(公告)日：2006-03-14

申请号：US10682935

申请日：2003-10-14

申请人： Kazumi Naito ,  Kazuhiro Omori ,  Nobuyuki Nagato

发明人： Kazumi Naito ,  Kazuhiro Omori ,  Nobuyuki Nagato

IPC分类号： B22F1/00

CPC分类号： H01G9/0525 ,  C22C32/0089 ,  C23C8/24

摘要： A powder composition for a capacitor comprising a tantalum or niobium and a compound having a silicon-oxygen bond, at least a part of which may be nitrided and which has an average particle size of from 0.1 to 5 μm; a sintered body using the composition; and a capacitor constituted by the sintered body as one part electrode, and another part electrode. A capacitor favored with high reliability, lower dissipation level of power and smaller deterioration of capacitance than conventional tantalum capacitors using tantalum can be produced by using a sintered body of the powder composition for a capacitor.

公开(公告)号：US06663687B2

公开(公告)日：2003-12-16

申请号：US10182140

申请日：2002-07-26

申请人： Kazumi Naito ,  Nobuyuki Nagato

发明人： Kazumi Naito ,  Nobuyuki Nagato

IPC分类号： C22C104

CPC分类号： H01G9/0525 ,  C04B35/495 ,  C04B2235/3253 ,  C04B2235/404 ,  C04B2235/5436 ,  C04B2235/5445 ,  C22C32/0031

摘要： A nobium powder for capacitors, which contains from 0.05 to 20% by mass of niobium monoxide crystal and from 0.05 to 20% by mass of hexaniobium monoxide crystal; a sintered body thereof; and a capacitor fabricated from the sintered body as one part electrode, a dielectric material formed on the surface of the sintered body, and another part provided on the dielectric material. A capacitor manufactured from a sintered body of a niobium powder of the present invention is favored with good high-temperature characteristics.

摘要翻译： 一种电容器用铒粉，含有0.05〜20质量％的一氧化铌结晶和0.05〜20质量％的一氧化二铌结晶; 其烧结体; 以及由烧结体制成的电容器作为一部分电极，形成在烧结体表面上的电介质材料和设置在电介质材料上的另一部分。 由本发明的铌粉末烧结体制成的电容器具有良好的高温特性。

公开(公告)号：US06514338B2

公开(公告)日：2003-02-04

申请号：US09748387

申请日：2000-12-27

申请人： Masashi Shigeto ,  Kotaro Yano ,  Nobuyuki Nagato

发明人： Masashi Shigeto ,  Kotaro Yano ,  Nobuyuki Nagato

IPC分类号： C30B2300

CPC分类号： C30B23/02 ,  C30B23/00 ,  C30B25/00 ,  C30B29/36 ,  Y10T117/10

摘要： Silicon carbide single crystal is produced by allowing a silicon raw material to continuously react with a carbon raw material to generate gas, which reaches a seed crystal substrate on which a silicon carbide single crystal grows. Preferably, the silicon raw material is continuously fed onto the carbon raw material placed in a reaction crucible, and the carbon raw material is maintained at a temperature such that carbon is allowed to react with silicon in a molten state or a gaseous state to generate the reaction gas. An apparatus used for producing the silicon carbide single crystal comprises a reaction crucible, and a seed crystal substrate disposed in the reaction crucible; and further comprises means for maintaining the carbon raw material placed in the reaction crucible at a temperature such that carbon is allowed to react with silicon in a molten state or a gaseous state to generate the reaction gas, and means for continuously feeding the silicon raw material onto the carbon raw material placed in the reaction crucible.

摘要翻译： 通过使硅原料与碳原料连续反应而生成碳化硅单晶，生成气体，其到达碳化硅单晶生长的晶种基板。 优选地，将硅原料连续地供给到放置在反应坩埚中的碳原料上，并且将碳原料保持在使得碳与熔融状态或气态的硅反应的温度， 反应气体。 用于制造碳化硅单晶的装置包括反应坩埚和设置在反应坩埚中的晶种衬底; 并且还包括用于将置于反应坩埚中的碳原料保持在使得碳与熔融状态或气态的硅反应以产生反应气体的温度的装置，以及用于连续供给硅原料的装置 放置在反应坩埚中的碳原料上。

公开(公告)号：US06430026B1

公开(公告)日：2002-08-06

申请号：US09590669

申请日：2000-06-09

申请人： Nobuyuki Nagato ,  Kazumi Naito

发明人： Nobuyuki Nagato ,  Kazumi Naito

IPC分类号： H01G4008

CPC分类号： H01G9/0032 ,  C25D11/26 ,  H01G9/042

摘要： The present invention provides an electrode material for capacitors, capable of ensuring a large capacitance per unit weight without worsening the leakage current property, and a capacitor using the material. The present invention also provides an electrode material for capacitors, obtained by reacting a tantalum metal and/or a niobium metal or an alloy thereof having an oxide film on the surface thereof with an alkali solution to form a tantalic acid compound and/or a niobic acid compound on the surface thereof. Furthermore, the present invention provides a capacitor using the electrode material.

摘要翻译： 本发明提供一种用于电容器的电极材料，其能够确保每单位重量的大电容而不会使漏电流性能恶化，以及使用该材料的电容器。 本发明还提供了一种用于电容器的电极材料，其通过使其表面上具有氧化膜的钽金属和/或铌金属或其合金与碱溶液反应而形成钽酸化合物和/或铌 酸化合物的表面。 此外，本发明提供一种使用电极材料的电容器。