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1. 发明授权

US4833272A Process for preparing polycarboxylic acid 失效
标题翻译：制备多元羧酸的方法
公开(公告)号：US4833272A
公开(公告)日：1989-05-23
申请号：US849105
申请日：1986-04-07
申请人： Mikio Nakazawa , Kango Fujitani
发明人： Mikio Nakazawa , Kango Fujitani
IPC分类号： C07C51/285 , C07C51/31
CPC分类号： C07C51/285 , C07C51/31
摘要： Disclosed is a process for preparing a polycarboxylic acid, the process comprising subjecting a Diels-Alder reaction product of maleic anhydride and a diene and/or the corresponding acid to oxidative cleavage using hydrogen peroxide in the presence of at least one catalyst selected from the group consisting of tungstic acid, molybdic acid and heteropoly acids thereof.
摘要翻译：公开了一种制备多元羧酸的方法，该方法包括使用过氧化氢使马来酸酐和二烯和/或相应的酸的Diels-Alder反应产物在至少一种选自以下的催化剂存在下进行氧化裂解：由钨酸，钼酸及其杂多酸组成。

2. 发明授权

US06187968B1 Process for the preparation of cyclohexanedimethanol 有权
标题翻译：环己烷二甲醇的制备方法
公开(公告)号：US06187968B1
公开(公告)日：2001-02-13
申请号：US09202822
申请日：1998-12-22
申请人： Hiroshi Itoh , Yasuhisa Yoshida , Taiichiro Iwamura , Mikio Nakazawa
发明人： Hiroshi Itoh , Yasuhisa Yoshida , Taiichiro Iwamura , Mikio Nakazawa
IPC分类号： C07C3113
CPC分类号： C07C29/149 , B01J23/462 , B01J23/868 , C07C67/303 , C07C2601/14 , C07C31/276 , C07C69/75
摘要： This invention provides a process for preparing cyclohexanedimethanol comprising hydrogenating a cyclohexanedicarboxylic acid dialkyl ester by a fixed-bed continuous reaction in the presence of a preformed copper-containing catalyst under the conditions of reaction temperature of 200 to 280° C., hydrogen pressure of 185 to 300 kgf/cm2 and hydrogen gas feed rate of 1 to 40 cm/s in terms of superficial linear velocity, the cyclohexanedicarboxylic acid dialkyl ester being prepared, typically, by ring hydrogenating of an aromatic dicarboxylic acid dialkyl ester in the presence of a preformed supported ruthenium catalyst by a fixed-bed continuous reaction.
摘要翻译：本发明提供了一种制备环己烷二甲醇的方法，包括在预先形成的含铜催化剂存在下，在反应温度为200-280℃，氢气压力为185℃的条件下，通过固定床连续反应使环己烷二羧酸二烷基酯氢化至300kgf / cm 2，氢气进料速率为1〜40cm / s，通过环己烷二羧酸二烷基酯的制备，通常在芳香族二羧酸二烷基酯的存在下进行环化氢化通过固定床连续反应负载的钌催化剂。

3. 发明授权

US5091564A Process for preparing diphenyl sulfonetetracarboxylic acid 失效
标题翻译：制备二苯基磺酸四羧酸的方法
公开(公告)号：US5091564A
公开(公告)日：1992-02-25
申请号：US585698
申请日：1990-09-20
申请人： Hiroshi Manami , Mikio Nakazawa , Shigeo Miki , Akihiro Nishiuchi
发明人： Hiroshi Manami , Mikio Nakazawa , Shigeo Miki , Akihiro Nishiuchi
IPC分类号： B01J27/128 , B01J31/04 , C07B61/00 , C07C315/04 , C07C317/44
CPC分类号： C07C315/04
摘要： Disclosed is a process for preparing a diphenyl sulfonetetracarboxylic acid, the process comprising oxidizing a tetramethyldiphenyl sulfone with oxygen or an oxygen-containing gas in an aliphatic monocarboxylic acid having 2 to 10 carbon atoms in the presence of a catalyst consisting essentially of a cobalt component, a manganese component and a bromine compound wherein the weight ratio of manganese metal to cobalt metal is in the range of approximately 0.01 to 0.5.
摘要翻译：公开了一种制备二苯基磺酸四羧酸的方法，该方法包括在基本上由钴组分组成的催化剂存在下，在具有2-10个碳原子的脂肪族单羧酸中用氧或含氧气体氧化四甲基二苯基砜，锰组分和溴化合物，其中锰金属与钴金属的重量比在约0.01至0.5的范围内。

4. 发明授权

US4062893A Process for preparing N,N-dialkyl aromatic amines 失效
标题翻译：制备N，N-二烷基芳族胺的方法
公开(公告)号：US4062893A
公开(公告)日：1977-12-13
申请号：US662592
申请日：1976-03-01
申请人： Tatsuo Kyuma , Mikio Nakazawa
发明人： Tatsuo Kyuma , Mikio Nakazawa
IPC分类号： C07B61/00 , B01J27/00 , B01J31/00 , C07C67/00 , C07C209/00 , C07C209/18 , C07C211/48 , C07C87/62
CPC分类号： C07C209/18
摘要： A process is provided for preparing an N,N-dialkyl aromatic amine by reacting an aromatic amine of the formula ##STR1## wherein R is a hydrogen atom or a lower alkyl group with a lower alcohol in the presence of at least one catalyst selected from sulfuric acid and compounds being capable of forming sulfuric acid during the reaction. The essential features of this process are characterized by:1. maintaining the reaction temperature at 170.degree. to 230.degree. C,2. maintaining the reaction system at a pressure not higher than 10 Kg/cm.sup.2 gauge and capable of keeping the reaction phase liquid, and3. feeding the amine and alcohol starting materials to the reaction system already containing at least one of the amine starting material and N,N-dialkyl aromatic amine, the desired product, and withdrawing the resulting reaction product and unreacted lower alcohol from the system in the form of a vapor while maintaining the above-mentioned pressure.
摘要翻译：提供了一种制备N，N-二烷基芳族胺的方法，该方法是通过使下式的芳香胺与其中R为氢原子或低级烷基的芳族胺在低级醇中，在至少一种选自硫酸和能够在反应期间形成硫酸的化合物。该过程的基本特征是：

5. 发明授权

US4606863A Process for preparing carboxylic acid 失效
标题翻译：羧酸的制备方法
公开(公告)号：US4606863A
公开(公告)日：1986-08-19
申请号：US616049
申请日：1984-06-01
申请人： Mikio Nakazawa , Kango Fujitani , Hiroshi Manami
发明人： Mikio Nakazawa , Kango Fujitani , Hiroshi Manami
IPC分类号： C07C51/235 , C07C51/285 , C11C3/00 , C07C51/23 , C07C51/245
CPC分类号： C07C51/235 , C07C51/285
摘要： This invention provides a process for preparing carboxylic acid, the process comprising subjecting an oxidation product produced by reacting a peroxide with (a) unsaturated aliphatic monocarboxylic acid having at least one unsaturated bond in the carbon chain and containing 6 to 24 carbon atoms or its ester or (b) cyclic and/or acyclic aliphatic olefin having at least one unsaturated bond in the carbon chain to oxidation by oxygen or oxygen-containing gas in the presence of a catalyst comprising (i) at least one heavy metal compound and (ii) at least one member selected from the group consisting of a bromine compound and a chlorine compound.
摘要翻译：本发明提供一种制备羧酸的方法，该方法包括使过氧化物与（a）在碳链中具有至少一个不饱和键的不饱和脂族单羧酸反应并含有6至24个碳原子或其酯或（b）在包含（i）至少一种重金属化合物和（ii）至少一种重金属化合物的催化剂存在下，在碳链中具有至少一个不饱和键的环状和/或非环状脂族烯烃被氧或含氧气体氧化，选自溴化合物和氯化合物中的至少一种。

6. 发明授权

US5504128A Thermoplastic resin composition and a method of molding the same 失效
标题翻译：热塑性树脂组合物及其成型方法
公开(公告)号：US5504128A
公开(公告)日：1996-04-02
申请号：US387806
申请日：1995-02-21
申请人： Toshihiro Mizutani , Kango Fujitani , Mikio Nakazawa
发明人： Toshihiro Mizutani , Kango Fujitani , Mikio Nakazawa
IPC分类号： C07D207/40 , C08K5/3415 , C08K5/3417
CPC分类号： C07D207/40 , C08K5/3415 , C08K5/3417
摘要： This invention provides a thermoplastic resin composition comprising a thermoplastic resin and 0.1 to 100 parts by weight, per 100 parts by weight of the thermoplastic resin, of an imide compound prepared, e.g., by dehydration condensation of 1,2,3,4-butanetetracarboxylic acid or a monoanhydride or a dianhydride thereof with a primary amine, and a method of molding the resin composition.
摘要翻译： PCT No.PCT / JP94 / 01035 Sec。 371日期1995年2月21日 102（e）1995年2月21日PCT PCT 1994年6月28日PCT公布。公开号WO95 / 01393 日本1995年1月12日。本发明提供一种热塑性树脂组合物，其包含热塑性树脂，每100重量份热塑性树脂为0.1至100重量份的制备的酰亚胺化合物，例如通过脱水缩合1， 2,3,4-丁烷四羧酸或其单胺或其二酐与伯胺的混合物，以及树脂组合物的成型方法。

7. 发明授权

US4914231A Method for purifying a crude diphenylsulfone tetracarboxylic acid 失效
标题翻译：粗二苯砜四羧酸的纯化方法
公开(公告)号：US4914231A
公开(公告)日：1990-04-03
申请号：US245425
申请日：1988-09-16
申请人： Hiroshi Manami , Shigeo Miki , Mikio Nakazawa
发明人： Hiroshi Manami , Shigeo Miki , Mikio Nakazawa
IPC分类号： C07C67/00 , C07C313/00 , C07C315/06 , C07C317/44
CPC分类号： C07C315/06
摘要： Disclosed is a method for purifying a crude diphenylsulfone tetracarboxylic acid which comprises the steps of dissolving a crude diphenyolsulfone tetracarboxylic acid in a solvent mixture of water and acetic acid and recrystallizing the crude to obtain a highly purifed diphenylsulfone tetracarboxylic acid.
摘要翻译：公开了一种粗二苯砜四羧酸的纯化方法，其包括将粗二苯基砜砜四羧酸溶解在水和乙酸的溶剂混合物中并使粗品重结晶，得到高度纯化的二苯砜四羧酸。

8. 发明授权

US4778932A Process for preparing diarylsulfones 失效
标题翻译：二芳基砜的制备方法
公开(公告)号：US4778932A
公开(公告)日：1988-10-18
申请号：US70576
申请日：1987-07-07
申请人： Hiroshi Manami , Shigeo Miki , Mikio Nakazawa
发明人： Hiroshi Manami , Shigeo Miki , Mikio Nakazawa
IPC分类号： C07C317/00 , C07C317/14 , C07C317/22 , C07C147/10
CPC分类号： C07C317/00
摘要： In preparing a diarylsulfone by condensing sulfuric acid or an aromatic sulfonic acid with an aromatic compound having at least one replaceable hydrogen atom on the aromatic ring, the process of the present invention is characterized in that the condensation reaction is carried out in the presence of at least one catalyst selected from the group consisting of a tungstic acid, molybdic acid and heteropoly acid thereof.
摘要翻译：在通过将芳香族磺酸与芳香族化合物在芳香环上具有至少一个可置换的氢原子的芳族化合物缩合制备二芳基砜时，本发明的方法的特征在于缩合反应在选自钨酸，钼酸及其杂多酸的至少一种催化剂。

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