专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP1571139A1 PROCESS FOR PRODUCING a-HYDROXYCARBOXYLIC ESTER 审中-公开
标题翻译： HERSTELLUNGSVERFAHRENFÜRa-HYDROXYCARBONSÄUREESTER
公开(公告)号：EP1571139A1
公开(公告)日：2005-09-07
申请号：EP03751394.2
申请日：2003-10-09
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： YOSHIDA, Hiroshi , TSUNEKI, Hideaki , HAYASHI, Toshio , BABA, Hideyuki , INAGAKI, Takahiro , NAKAGAWA, Satoshi , KAKIMOTO, Yukihiko , KITADA, Ritsuo , UMEHARA, Kohei
IPC分类号： C07C67/40 , C07C69/675 , C08G63/06
CPC分类号： C08G63/06 , 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防止。本发明提供一种生产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，使（ⅰ）1,2-二醇与1,2-二醇或（ii）1,2-醇与醇，得到含有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。

2. 发明公开

EP0273060A1 PROCESS FOR PRODUCING UNSATURATED CARBOXYLATES 有权转让
标题翻译： VERFAHREN ZUR HERSTELLUNGUNGESÄTTIGTERCARBOXYLATE。
公开(公告)号：EP0273060A1
公开(公告)日：1988-07-06
申请号：EP87904331.3
申请日：1987-07-07
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： NAKASHIMA, Sumio , SOGABE, Hideki , YOSHIDA, Hiroshi , OKUBO, Atsushi
IPC分类号： C07C69/54 , C07C67/08
CPC分类号： C07C67/08 , C07C69/54
摘要： A process for producing unsaturated carboxylates by reacting (meth)acryllc acid with an aliphatic alcohol using a strongly acidic cation exchange resin as a catalyst, which comprises conducting the reaction while keeping the reaction mixture in a boiling state, suspending and dispersing the catalyst by means of a stirrer with a stirring power of 0.005 to 2kW per m 3 of the reaction mixture and, if necessary, recovering (meth)acrylic acid entrained by the alcohol refluxed in contact with vapor containing water produced by the esterification reaction.
摘要翻译：这种改进的生产方法不能满足要求。羧酸盐由（甲基）丙烯酸与1-12C脂族醇反应组成。反应在催化剂即强酸性阳离子交换树脂的存在下进行。反应也在以下具体条件下进行; （1）反应混合物。应保持沸腾状态，（2）催化剂应通过搅拌器悬浮和分散，搅拌功率为0.005-2 kW / m3的反应混合物。（3）（甲基）丙烯酸与脂肪族醇的摩尔比为1：0.5〜1：3（4）的反应是50-150度。 C和反应压力（绝对值）为20-760 mmHg（5）amt。使用的颜料是总反应混合物的10-60体积％。第一卷。如果需要，反应可以回收与酒精混合的蒸发的（甲基）丙烯酸，其可以与酯化反应中产生的水蒸气接触回流。

3. 发明公开

EP0842685A1 REACTION DISTILLATION APPARATUS AND REACTION DISTILLATION METHOD 失效
标题翻译：装置在VERFAHREN ZUR REAKTIONSDESTILLATION
公开(公告)号：EP0842685A1
公开(公告)日：1998-05-20
申请号：EP97922103.3
申请日：1997-05-20
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： TSUNEKI, Hideaki , MORIYA, Atusi , YOSHIDA, Hiroshi , WAKAYAMA, Hiroki , WATANABE, Kenichi , ONDA, Yoshiyuki
IPC分类号： B01D3/00 , C07C67/03 , C07C67/02 , B01J8/02
CPC分类号： C07C68/06 , B01D3/009 , B01J8/02 , B01J2208/00247 , B01J2208/00539 , B01J2208/00557 , C07C67/03 , Y02P20/127 , C07C69/24 , C07C69/96
摘要： Reactive distillation equipment applicable to a relatively complicated reaction composed of at least two steps of equilibrium reactions, and a reactive distillation method capable of performing the reaction efficiently. Raw material feeding pipes 5, 6 and 7 are connected to a reactive distillation column 1. The raw material feeding pipes 5, 6 and 7 are disposed on different stages of the reactive distillation column 1 in this order from the top of the column downward. It is preferred that the reactive distillation column 1 includes a stage to which no raw material feeding pipe is connected between a first stage connected to the raw material feeding pipe 5 and a second stage connected to the raw material feeding pipe 6, and between the second stage and a third stage connected to the raw material feeding pipe 7. By feeding raw material (A), raw material (B) and raw material (E) from the raw material feeding pipes 5, 6 and 7, respectively, vapor-liquid contacting of raw materials (A) and (B), and vapor-liquid contacting of product (C) and raw material (E) are carried out.
摘要翻译：适用于由至少两个平衡反应步骤组成的相对复杂的反应的反应蒸馏设备和能够有效地进行反应的反应蒸馏方法。原料供给管5,6和7连接到反应性蒸馏塔1.原料供给管5,6和7从塔顶向下依次设置在反应蒸馏塔1的不同阶段。优选的是，反应蒸馏塔1包括在与原料供给管5连接的第一阶段和与原料供给管6连接的第二阶段之间以及第二阶段之间没有原料供给管连接的阶段分别与原料供给管7连接的原料（A），原料（B）和原料（E）分别从原料供给管5,6和7供给气液原料（A）和（B）的接触，以及产品（C）和原料（E）的气液接触进行。

4. 发明授权

EP0273060B1 PROCESS FOR PRODUCING UNSATURATED CARBOXYLATES 有权转让
标题翻译：生产不饱和羧酸酯的方法
公开(公告)号：EP0273060B1
公开(公告)日：1991-10-16
申请号：EP87904331.3
申请日：1987-07-07
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： NAKASHIMA, Sumio , SOGABE, Hideki , YOSHIDA, Hiroshi , OKUBO, Atsushi
IPC分类号： C07C69/54 , C07C67/08
CPC分类号： C07C67/08 , C07C69/54
摘要： A process for producing unsaturated carboxylates by reacting (meth)acrylic acid with an aliphatic alcohol using a strongly acidic cation exchange resin as a catalyst, which comprises conducting the reaction while keeping the reaction mixture in a boiling state, suspending and dispersing the catalyst by means of a stirrer with a stirring power of 0.005 to 2kW per m3 of the reaction mixture and, if necessary, recovering (meth)acrylic acid entrained by the alcohol refluxed in contact with vapor containing water produced by the esterification reaction.

5. 发明授权

EP3196186B1 METHOD FOR PRODUCING VAPOR COMPOSITION CONTAINING LACTIC ACID 有权
公开(公告)号：EP3196186B1
公开(公告)日：2019-02-20
申请号：EP15841641.2
申请日：2015-09-17
申请人： Nippon Shokubai Co., Ltd.
发明人： KAMEI, Hisashi , YOSHIDA, Hiroshi
IPC分类号： C07C51/43 , C07C59/08 , C07C51/50

6. 发明授权

EP2868648B1 (METH)ACRYLIC ACID PRODUCTION METHOD, AND, HYDROPHILIC RESIN PRODUCTION METHOD 有权
公开(公告)号：EP2868648B1
公开(公告)日：2019-02-20
申请号：EP13809319.0
申请日：2013-06-21
申请人： Nippon Shokubai Co., Ltd.
发明人： YOSHIDA, Hiroshi , KAMEI, Hisashi , HAGINIWA, Naomichi
IPC分类号： C07C51/377 , C07C51/09 , C07C57/04 , C08F20/06 , B01J21/04 , B01J27/182 , C07B61/00 , B01J27/28 , B01J29/90 , C07C51/353

7. 发明公开

EP3196186A1 METHOD FOR PRODUCING VAPOR COMPOSITION CONTAINING LACTIC ACID 有权
标题翻译：生产含有乳酸的蒸气组合物的方法
公开(公告)号：EP3196186A1
公开(公告)日：2017-07-26
申请号：EP15841641.2
申请日：2015-09-17
申请人： Nippon Shokubai Co., Ltd.
发明人： KAMEI, Hisashi , YOSHIDA, Hiroshi
IPC分类号： C07C51/43 , C07C59/08 , C07C67/54 , C07C69/68
CPC分类号： C07C59/08 , B01B1/005 , C07C51/43 , C07C51/50 , C07C67/54 , C07C69/68
摘要： The method for producing a vapor composition containing lactic acid of the present invention is capable of suppressing the generation of by-products such as acetaldehyde and carbon monoxide due to pyrolysis of a lactic acid species during vaporization. Furthermore, a lactic acid oligomer generated can be effectively used without loss, and a vapor composition containing lactic acid can be industrially efficiently produced stably for a long time. The present invention relates to a method for producing a vapor composition containing lactic acid including: feeding a liquid composition containing lactic acid to a vaporizer; mixing the liquid composition with a liquid composition containing a lactic acid oligomer contained in the vaporizer to prepare a liquid mixture; and heating the liquid mixture to vaporize part of the liquid mixture, whereby a vapor composition containing lactic acid is produced.
摘要翻译：本发明的含有乳酸的蒸气组合物的制造方法能够抑制气化过程中由于乳酸种类的热分解而产生的乙醛，一氧化碳等副产物。此外，所产生的乳酸低聚物可以被有效地使用而无损失，并且含有乳酸的蒸气组合物可以在工业上有效地长时间稳定有效地生产。本发明涉及一种含有乳酸的蒸气组合物的制造方法，其包括：将含有乳酸的液体组合物供给至蒸发器的步骤; 将液体组合物与包含在蒸发器中的含有乳酸低聚物的液体组合物混合以制备液体混合物; 并加热该液体混合物以蒸发部分液体混合物，从而产生含有乳酸的蒸气组合物。

8. 发明公开

EP2868648A1 (METH)ACRYLIC ACID PRODUCTION METHOD, AND, HYDROPHILIC RESIN PRODUCTION METHOD 有权
标题翻译：（METH）ACRYLSUREURE HERSTELLUNGSVERFAHREN UND HARZHERSTELLUNGSVERFAHRENFÜREIN HYDROPHILES HARZ
公开(公告)号：EP2868648A1
公开(公告)日：2015-05-06
申请号：EP13809319.0
申请日：2013-06-21
申请人： Nippon Shokubai Co., Ltd.
发明人： YOSHIDA, Hiroshi , KAMEI, Hisashi , HAGINIWA, Naomichi
IPC分类号： C07C51/377 , C07C51/09 , C07C57/04 , C08F20/06 , B01J21/04 , B01J27/182 , C07B61/00
CPC分类号： C07C51/377 , B01J27/182 , B01J27/285 , B01J29/90 , C07C51/353 , C08F20/06 , C08G63/06 , C12P7/40 , Y02P20/582 , Y02P20/584 , C07C57/04
摘要： The present invention provides a method for producing (meth)acrylic acid, which achieves enhanced productivity or a reduced amount of a catalyst in production of (meth)acrylic acid from 3-hydroxycarboxylic acid, and enables stable production of (meth)acrylic acid at low cost. The method is a method for producing (meth)acrylic acid using 3-hydroxycarboxylic acid as a starting material, the method including a polymerization step of polymerizing 3-hydroxycarboxylic acid to generate a composition containing a 3-hydroxycarboxylic acid polymer, and a step of generating (meth)acrylic acid from the composition containing the 3-hydroxycarboxylic acid polymer, the 3-hydroxycarboxylic acid polymer obtained in the polymerization step including trimer or higher order units, the trimer or higher order units constituting 3% by mass or more of a total of 100% by mass of the 3-hydroxycarboxylic acid and the 3-hydroxycarboxylic acid polymer.
摘要翻译：本发明提供一种生产（甲基）丙烯酸的方法，其在3-羟基羧酸的（甲基）丙烯酸生产中提高生产率或降低催化剂的用量，并能稳定地生产（甲基）丙烯酸，低成本。该方法是使用3-羟基羧酸作为原料制备（甲基）丙烯酸的方法，该方法包括使3-羟基羧酸聚合以产生含有3-羟基羧酸聚合物的组合物的聚合步骤，和从含有3-羟基羧酸聚合物的组合物中产生（甲基）丙烯酸，在包含三聚体或更高级单元的聚合步骤中获得的3-羟基羧酸聚合物，构成3质量％以上的三聚体或更高级单元总计为100质量％的3-羟基羧酸和3-羟基羧酸聚合物。

9. 发明公开

EP0854132A1 PROCESS FOR THE PREPARATION OF AROMATIC CARBONIC ESTER 失效
标题翻译： VERFAHREN ZUR HERSTELLUNG VON AROMATISCHEN CARBONESTERN
公开(公告)号：EP0854132A1
公开(公告)日：1998-07-22
申请号：EP97924379.7
申请日：1997-06-10
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： YOSHIDA, Hiroshi , TSUNEKI, Hideaki , MORIYA, Atusi , WAKAYAMA, Hiroki , WATANABE, Kenichi , ONDA, Yoshiyuki
IPC分类号： C07C69/96 , C07C68/06
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96
摘要： An aromatic carbonic ester is prepared continuously and efficiently by reacting an aromatic carboxylic ester with an aliphatic carbonic ester and/or an aromatic/aliphatic carbonic ester through transesterification. A raw material comprising an aromatic carboxylic ester and an aliphatic or aromatic/aliphatic carbonic ester and a catalyst are continuously fed into the first stage of a reaction-distillation column (1) through a feed pipe (5), while an aliphatic carbonic ester (a) having a boiling point lower than that of the reaction fluid present in the second stage under the above first stage is continuously fed into the second stage through a feed pipe (6). The second plate is preferably the bottom of the reaction-distillation column (1). The feed of the aliphatic carbonic ester (a) is preferably 0.001 to 5 times that of the raw material by weight.
摘要翻译：通过酯交换反应使芳族羧酸酯与脂肪族碳酸酯和/或芳香族/脂肪族碳酸酯反应而连续有效地制备芳香族碳酸酯。包含芳族羧酸酯和脂族或芳族/脂族碳酸酯和催化剂的原料通过进料管（5）连续加入到反应 - 蒸馏塔（1）的第一阶段，而脂族碳酸酯 a）在上述第一阶段的沸点低于第二阶段中存在的反应流体的沸点低于进料管（6）。第二板优选为反应蒸馏塔（1）的底部。脂肪族碳酸酯（a）的进料优选为原料重量的0.001〜5倍。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式