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公开(公告)号：JP2004224712A
公开(公告)日：2004-08-12
申请号：JP2003011919
申请日：2003-01-21
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： SUGISE RYOJI , TANAKA HIDEJI , DOI TAKASHI , FUJIZU SATORU
Abstract: PROBLEM TO BE SOLVED: To provide an industrially preferable method for producing a dihydroxybenzene mono(hydroxyethyl) ether, comprising reacting a dihydroxybenzene with ethylene carbonate in the presence of a new nearly neutral catalyst, by which the dihydroxybenzene mono(hydroxyethyl) ether having a high quality can be produced in high selectivity in a short time, while reducing an undesired alkaline waste liquid from the view point of environment protection after the reaction.
SOLUTION: This method for producing the dihydroxybenzene mono(hydroxyethyl) ether is characterized by reacting the dihydroxybenzene with the ethylene carbonate in the presence of at least one catalyst selected from the group consisting of alkali metal halides, alkaline earth metal halides, alkali metal or alkaline earth metal carbonates, and alkali metal or alkaline earth metal phosphates.
COPYRIGHT: (C)2004,JPO&NCIPI-
公开(公告)号：JP2007211029A
公开(公告)日：2007-08-23
申请号：JP2007136656
申请日：2007-05-23
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： HARADA KATSUMASA , SUGISE RYOJI , KASHIWAGI KOICHI , MATSUURA TSUNAO
IPC: C07C269/08 , C07C269/04 , C07C271/58
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a carbamate of a high purity by reacting a diaryl carbonate with an amine (especially an aromatic monoamine or a sterically bulky monoamine) to afford the carbamate, and easily separating the carbamate. SOLUTION: The process for producing the carbamate comprises reacting the diaryl carbonate with a monoamine having at least one hydrogen atom on the N-position in the presence of a carboxylic acid in the presence or absence of a solvent to afford the carbamate, adding the reaction solvent thereto when the solvent is not used in the reaction, precipitating the carbamate by holding the reaction liquid at -30 to 40°C, and separating the carbamate. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：为了提供通过使碳酸二芳基酯与胺（特别是芳族单胺或空间庞大的单胺）反应制备高纯度氨基甲酸酯以提供氨基甲酸酯并容易地分离氨基甲酸酯的方法。 解决方案：制备氨基甲酸酯的方法包括在存在羧酸存在下，在存在或不存在溶剂的情况下使碳酸二芳基酯与N-位上具有至少一个氢原子的单胺反应，得到氨基甲酸酯， 当反应中不使用溶剂时，向其中加入反应溶剂，通过将反应液保持在-30〜40℃，使氨基甲酸酯分离而使氨基甲酸酯沉淀。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2004107336A
公开(公告)日：2004-04-08
申请号：JP2003305916
申请日：2003-08-29
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： SUGISE RYOJI , TANAKA HIDEJI , II HIROFUMI , MITSUI KAZUAKI
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing a dialkyl oxalate by suppressing loss of nitrogen which is an alkyl nitrite source, especially the loss of nitrogen caused by by-production of nitric acid in regenerating the alkyl nitrite from nitrogen monoxide in the method for producing a dialkyl oxalate by reacting carbon monoxide with the alkyl nitrite in the presence of a platinum group metal catalyst. SOLUTION: The method for producing the dialkyl oxalate is to react carbon monoxide with the alkyl nitrite by extracting a bottom solution containing nitric acid and alkanols from the bottom of a reactor (3) for regenerating the alkyl nitrite, introducing the solution into a reactor (4) for converting to nitric acid, feeding nitrogen monoxide to the reactor to generate the alkyl nitrite by bringing the introduced bottom solution into contact with the nitrogen monoxide and feeding an alkyl nitrite-containing gas to the reactor for regenerating the alkyl nitrite. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2007224046A
公开(公告)日：2007-09-06
申请号：JP2007136655
申请日：2007-05-23
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： HARADA KATSUMASA , SUGISE RYOJI , KASHIWAGI KOICHI , MATSUURA TSUNAO
IPC: C07C269/04 , C07B61/00 , C07C271/58 , C07D295/20
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing carbamate (especially polycarbamate such as biscarbamate) having no problems possessed by known methods for producing carbamate, as the known methods have several problems, that is, problems of materials (material properties such as irritation and toxicity, and use of a base), problems of reaction conditions (reaction at a high temperature or a high pressure), problems of reactivity of amine, problems of byproducts, problems of separation of objective products, problems of catalysts and reaction rate, and problems of corrosion, so, to provide a method for producing carbamate (especially polycarbamate such as biscarbamate) from a diaryl carbonate and an amine (especially an aromatic polyamine or a three-dimensionally bulky polyamine) having ≥2 amino groups having at least one H at N site, wherein the carbamate can be produced at a high reaction rate and a high productivity on a mild condition whith side reactions suppressed and the objective carbamate can be efficiently obtained by easily separating the produced carbamate. SOLUTION: The method for producing carbamate comprises reacting a diaryl carbonate with an amine having ≥2 amino groups having at least one H at N site in the presence of an aliphatic carboxylic acid, a carbocyclic aromatic carboxylic acid or a heterocyclic carboxylic acid at 10-150°C. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 待解决的问题：为了提供一种生产氨基甲酸酯的已知方法没有问题的氨基甲酸酯（特别是聚氨基甲酸酯如二氨基甲酸酯）的制备方法，因为已知的方法存在几个问题，即材料（材料性质 例如刺激和毒性，以及碱的使用），反应条件（高温或高压反应）的问题，胺的反应性问题，副产物的问题，目标产物分离的问题，催化剂的问题和 反应速度和腐蚀问题，因此，提供一种由碳酸二芳酯和具有≥2个氨基的胺（特别是芳族多胺或三维大体积的多胺）生产氨基甲酸酯（特别是聚氨酯） 在N位上至少有一个H，其中氨基甲酸酯可以以较高的反应速率和高生产率在温和条件下生产，副反应抑制了 d通过容易地分离生成的氨基甲酸酯可以有效地获得目标氨基甲酸酯。 解决方案：用于制备氨基甲酸酯的方法包括在脂肪族羧酸，碳环芳族羧酸或杂环羧酸存在下，使N 2位上具有≥2个氨基的胺具有至少1个H的氨基甲酸酯反应 在10-150℃。 版权所有（C）2007，JPO＆INPIT
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5.发明专利Ester interchange reaction of aliphatic dihydroxy compound and dimethyl carbonate 有权二酯二羟基化合物和二甲基碳酸酯的酯交换反应
公开(公告)号：JP2005350518A
公开(公告)日：2005-12-22
申请号：JP2004170355
申请日：2004-06-08
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： HOSHINO HARUTOSHI , KUSUKI YOSHIHIRO , YOSHINAGA TOSHIMUNE , KIKUCHI MASAO , SUGISE RYOJI , TANAKA HIDEJI
IPC: C08G64/30
Abstract: PROBLEM TO BE SOLVED: To provide a method for conducting ester interchange reaction of an aliphatic dihydroxy compound and dimethyl carbonate, while selectively removing methanol which is a by-product to the outside of a reaction system by using a gas separation membrane, and to provide an improved method for producing an oligo or polycarbonate diol, including a process for conducting the ester interchange reaction of the aliphatic dihydroxy compound and the dimethyl carbonate, while selectively removing the methanol which is the by-product to the outside of the reaction system by using the gas separation membrane.
SOLUTION: This method comprises conducting the ester interchange reaction of the aliphatic dihydroxy compound and the dimethyl carbonate, while selectively removing the by-product methanol by using the gas separation membrane.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 待解决的问题：为了提供脂族二羟基化合物和碳酸二甲酯的酯交换反应的方法，同时通过使用气体分离膜选择性除去作为副反应体系的副产物的甲醇， 并提供改进的寡聚或聚碳酸酯二醇的制备方法，包括进行脂肪族二羟基化合物和碳酸二甲酯的酯交换反应的方法，同时选择性地除去作为副反应产物的甲醇 系统采用气体分离膜。 解决方案：该方法包括进行脂族二羟基化合物和碳酸二甲酯的酯交换反应，同时通过使用气体分离膜选择性除去副产物甲醇。 版权所有（C）2006，JPO＆NCIPI
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Patent Agency Ranking
公开(公告)号：JP2003342242A
公开(公告)日：2003-12-03
申请号：JP2003071283
申请日：2003-03-17
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： SUGISE RYOJI , TANAKA HIDEJI , II HIROFUMI , MITSUI KAZUAKI
IPC: C07C201/04 , C07B61/00 , C07C203/00
Abstract: PROBLEM TO BE SOLVED: To provide an industrially suitable method for efficiently producing an alkyl nitrite from nitric acid (e.g. byproduct nitric acid in a method for producing an alkyl nitrite from nitrogen monoxide, oxygen and an alkanol as starting materials).
SOLUTION: This method for producing the alkyl nitrite comprises contacting an aqueous solution containing nitric acid and an alkanol with a nitrogen monoxide gas, wherein the nitrogen monoxide gas substantially contains no nitrogen oxides which may be formed due to the presence of molecular oxygen in the nitrogen monoxide gas.
COPYRIGHT: (C)2004,JPOAbstract translation: 待解决的问题：提供从硝酸（例如，从一氧化氮，氧和链烷醇作为起始原料生产亚硝酸烷基酯的方法中的副产物硝酸）有效生产亚硝酸烷基酯的工业上合适的方法。 解决方案：用于制备亚硝酸烷基酯的方法包括将含有硝酸和链烷醇的水溶液与一氧化氮气体接触，其中一氧化氮气体基本上不含有由于存在分子氧而形成的氮氧化物 在一氧化氮气体中。 版权所有（C）2004，JPO
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公开(公告)号：JP2005272318A
公开(公告)日：2005-10-06
申请号：JP2004084817
申请日：2004-03-23
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： HOSHINO HARUTOSHI , KUSUKI YOSHIHIRO , YOSHINAGA TOSHIMUNE , KIKUCHI MASAO , SUGISE RYOJI , TANAKA HIDEJI
IPC: C07D321/00 , C07B61/00
Abstract: PROBLEM TO BE SOLVED: To provide improved preparation methods whereby cyclic carbonates and oxetanes are prepared from a triole compound and a dimethyl carbonate.
SOLUTION: In the preparation method of the cyclic carbonates, the triole compound is reacted with the dimethyl carbonate while selectively removing by-product methanol by a gas permeation membrane. In the preparation method of the oxetanes, the cyclic carbonates are prepared through the above-mentioned preparation method, and the cyclic carbonates are subsequently subjected to decarbonation.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 待解决的问题：提供由三烯化合物和碳酸二甲酯制备环状碳酸酯和氧杂环丁烷的改进的制备方法。 解决方案：在环状碳酸酯的制备方法中，使三醇化合物与碳酸二甲酯反应，同时通过气体渗透膜选择性除去副产物甲醇。 在氧杂环丁烷的制备方法中，通过上述制备方法制备环状碳酸酯，然后将环状碳酸酯进行脱碳酸酯化。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2004323470A
公开(公告)日：2004-11-18
申请号：JP2003123450
申请日：2003-04-28
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： SUGISE RYOJI , TANAKA HIDEJI , II HIROFUMI , MITSUI KAZUAKI
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing a dialkyl carbonate by reacting carbon monoxide with an alkyl nitrite in the presence of a catalyst while suppressing the loss of nitrogen component for forming an alkyl nitrite source, especially the loss of nitrogen component by the by-production of nitric acid in the regeneration of the alkyl nitrite from nitrogen monoxide.
SOLUTION: The dialkyl carbonate is produced from carbon monoxide and an alkyl nitrite by extracting the column bottom liquid containing nitric acid and an alcohol from the bottom of a reaction column for the regeneration of alkyl nitrite, introducing the extracted liquid to a nitric acid conversion reactor, supplying nitrogen monoxide to the reactor to contact the introduced column bottom liquid with the nitrogen monoxide to produce an alkyl nitrite and supplying the gas containing the produced alkyl nitrite to the alkyl nitrite regeneration reaction column.
COPYRIGHT: (C)2005,JPO&NCIPI-
公开(公告)号：JPH11279125A
公开(公告)日：1999-10-12
申请号：JP8096398
申请日：1998-03-27
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： HARADA KATSUMASA , SUGISE RYOJI , NISHIO MASAYUKI , KURATO TOSHIO , SHIMAKAWA TOSHIHIRO
CPC classification number: Y02P20/52
Abstract: PROBLEM TO BE SOLVED: To provide a gas-phase method, for producing a dialkyl carbonate by decarbonylating a dialkyl oxalate, which allows high-yield and highly selective production of a dialkyl carbonate, and easy separation/recovery of products and a catalyst.
SOLUTION: This method comprises the steps of (1) catalytically reacting carbon monoxide with alkyl nitrite to form dialkyl oxalate and nitrogen monoxide, and (2) decarbonylating the obtained dialkyl oxalate into a dialkyl carbonate and carbon monoxide.
COPYRIGHT: (C)1999,JPOAbstract translation: 要解决的问题：提供一种气相法，用于通过使草酸二烷基酯脱碳酸化制备碳酸二烷基酯，其允许高产率和高选择性地生产碳酸二烷基酯，并且易于分离/回收产物和催化剂。 解决方案：该方法包括以下步骤：（1）将一氧化碳与亚硝酸烷基酯催化反应，形成草酸二烷基酯和一氧化氮，和（2）将得到的草酸二烷基酯碳酸化成碳酸二烷基酯和一氧化碳。
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公开(公告)号：JP2004224751A
公开(公告)日：2004-08-12
申请号：JP2003016014
申请日：2003-01-24
Applicant: Ube Ind Ltd , 宇部興産株式会社
Inventor： SUGISE RYOJI , TANAKA HIDEJI , DOI TAKASHI , FUJIZU SATORU
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a dihydroxybezene mono(hydroxyethyl) ether, comprising reacting a dihydroxybenzene with ethylene carbonate in the presence of a new catalyst, by which the dihydroxybezene mono(hydroxyethyl) ether can industrially be produced.
SOLUTION: This method for producing the dihydroxybezene mono(hydroxyethyl) ether is characterized by reacting the dihydroxybenzene with the ethylene carbonate in the presence of at least one catalyst selected from the group consisting of the alkali metal or alkaline earth metal salt of an alcohol and the alkali metal or alkaline earth metal salt of a phenol compound.
COPYRIGHT: (C)2004,JPO&NCIPI
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