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. 发明申请

US20080200712A1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 有权
标题翻译：制备二氧化碳的方法
公开(公告)号：US20080200712A1
公开(公告)日：2008-08-21
申请号：US12017303
申请日：2008-01-21
申请人： Evert Van Der Heide , Timothy Michael Nisbet , Caro Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Timothy Michael Nisbet , Caro Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/00
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for the preparation of a diaryl carbonate by transesterification of an aromatic alcohol with a dialkyl carbonate in the presence of a transesterification catalyst during a period of time [ta], in which the aryl moiety is selected from unsubstituted phenyl and mono-, di- and trisubstituted phenyl groups, in which the alkyl moiety is selected from C2 to C4 linear and branched alkyl groups, in which the catalyst concentration is designated [ca], expressed as gram catalyst per gram of aromatic alcohol and dialkyl carbonate, in which the period of time [tm] and catalyst concentration [cm] are determined to arrive at a pre-set approach to the equilibrium for the transesterification of the aromatic alcohol with dimethyl carbonate to methyl aryl carbonate and methanol, in which the product [ca]*ta is at least 1.5*[cm]*tm under otherwise the same reaction conditions.
摘要翻译：本发明涉及一种通过在酯交换催化剂存在下在一段时间内酯交换芳族醇与碳酸二烷基酯来制备碳酸二芳基酯的方法，其中芳基部分选自未取代的苯基和单取代，二取代和三取代的苯基，其中烷基部分选自C 2〜C 4直链和支链烷基，其中催化剂浓度指定为[克/ a]，其表示为克催化剂/克芳族醇和碳酸二烷基酯，其中时间[t] 并确定催化剂浓度[cm]以得到芳族醇与碳酸二甲酯与碳酸甲基芳基酯和甲醇的酯交换的平衡的预设方法，其中产物[c 在另外的相同的reac下，a至少为1.5 * [m / m] m t 条件。

2. 发明授权

US07732629B2 Process for the preparation of diaryl carbonate 有权
标题翻译：制备碳酸二芳基酯的方法
公开(公告)号：US07732629B2
公开(公告)日：2010-06-08
申请号：US12017303
申请日：2008-01-21
申请人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C69/96
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for the preparation of a diaryl carbonate by transesterification of an aromatic alcohol with a dialkyl carbonate in the presence of a transesterification catalyst during a period of time [ta], in which the aryl moiety is selected from unsubstituted phenyl and mono-, di- and trisubstituted phenyl groups, in which the alkyl moiety is selected from C2 to C4 linear and branched alkyl groups, in which the catalyst concentration is designated [ca], expressed as gram catalyst per gram of aromatic alcohol and dialkyl carbonate, in which the period of time [tm] and catalyst concentration [cm] are determined to arrive at a pre-set approach to the equilibrium for the transesterification of the aromatic alcohol with dimethyl carbonate to methyl aryl carbonate and methanol, in which the product [ca]*ta is at least 1.5*[cm]*tm under otherwise the same reaction conditions.
摘要翻译：本发明涉及一种在酯交换催化剂存在下，在一段时间[ta]期间通过芳族醇与碳酸二烷基酯的酯交换制备碳酸二芳基酯的方法，其中芳基部分选自未取代的苯基和单取代，二取代和三取代的苯基，其中烷基部分选自C2至C4直链和支链烷基，其中催化剂浓度指定为[ca]，表示为克催化剂/克芳族醇和碳酸二烷基酯，其中确定时间段[tm]和催化剂浓度[cm]达到用于将芳族醇与碳酸二甲酯转化为碳酸甲基芳基酯和甲醇的酯交换的平衡的预设方法，其中产物 [ca] * ta在相同的反应条件下为至少1.5 * [cm] * tm。

3. 发明授权

US07342141B2 Process for the preparation of alkanediol 失效
标题翻译：制备链烷二醇的方法
公开(公告)号：US07342141B2
公开(公告)日：2008-03-11
申请号：US11678009
申请日：2007-02-22
申请人： Evert Van Der Heide , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C29/159 , C07C29/15
CPC分类号： C07C29/12 , C07C68/065 , C07C31/202 , C07C31/205 , C07C69/96
摘要： The invention provides a process for the preparation of alkanediol comprising the steps: (i) contacting alkylene oxide with carbon dioxide in the presence of a carbonation catalyst to obtain a reaction mixture containing alkylene carbonate at a reaction temperature of from 100 to 200° C.; (ii) contacting the reaction mixture obtained in step (i) with R—OH, in which R is hydrogen or an alkyl group in the presence of a catalyst to obtain a second reaction mixture containing alkanediol and R2CO3; (iii) subjecting the second reaction mixture containing alkanediol and R2CO3 to a separation step to yield a crude alkanediol stream, which is subjected to distillation to yield a purified stream of alkanediol as the bottom stream; (iv) subjecting the purified stream of alkanediol obtained in step (iii) to further distillation to obtain a second bottom stream containing a mixture of alkanediol, heavy components, and optionally carbonation catalyst, and a top stream containing high purity alkanediol; wherein at least part of the reaction mixture obtained in step (i) is used for heat exchange with at least part of the crude alkanediol stream and/or with at least part of the purified alkanediol stream.
摘要翻译：本发明提供一种制备链烷二醇的方法，包括以下步骤：（i）在碳酸化催化剂存在下使环氧烷与二氧化碳接触，得到反应温度为100-200℃的含有碳酸亚烷基酯的反应混合物 ; （ii）在催化剂存在下使步骤（i）中获得的反应混合物与R-OH（其中R是氢或烷基）接触，得到含有链烷二醇和R 2的第二反应混合物 > CO 3 3; （iii）将含有链烷二醇和R 2 CO 3的第二反应混合物进行分离步骤以产生粗链烷二醇流，将其进行蒸馏以产生纯化的流的链烷二醇作为底部流; （iv）使步骤（iii）中获得的纯化的烷烃二醇进一步蒸馏，得到含有链烷二醇，重组分和任选碳酸化催化剂的混合物的第二塔底料流和含有高纯度链烷二醇的顶流; 其中步骤（i）中获得的至少部分反应混合物用于与至少部分粗链烷二醇流和/或至少部分纯化的链烷二醇流进行热交换。

4. 发明申请

US20090270657A1 PROCESS FOR THE PREPARATION OF A 1,2-ALKYLENE DIOL AND A DIALKYLCARBONATE 审中-公开
标题翻译：制备1,2-亚苄基二醇和对二氯甲烷的方法
公开(公告)号：US20090270657A1
公开(公告)日：2009-10-29
申请号：US12108299
申请日：2008-04-23
申请人： Evert Van Der Heide , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C31/18
CPC分类号： C07C68/065 , C07C69/96
摘要： The present invention relates to a process for the preparation of a 1,2-alkylene diol and a dialkylcarbonate, comprising the steps of (i) contacting a 1,2-alkylene oxide with carbon dioxide in the presence of a carbonation catalyst in a downflow jet reactor to obtain a reaction mixture containing a 1,2-alkylene carbonate, wherein the downflow jet reactor further comprises a deflection means situated in between the ejector means and the outlet means in the direction of the flow path of the gas/liquid mixture generated by the ejector means; (ii) contacting at least part of the reaction mixture obtained in step (i) with an alkanol to obtain a reaction mixture containing a 1,2-alkylene diol and a dialkylcarbonate; and (iii) recovering the 1,2-alkylene diol and the dialkylcarbonate from the reaction mixture obtained in step (ii).
摘要翻译：本发明涉及一种1,2-亚烷基二醇和碳酸二烷基酯的制备方法，包括以下步骤：（i）在碳酸化催化剂存在下使1,2-环氧烷与二氧化碳在下流以获得含有1,2-亚烷基碳酸酯的反应混合物，其中所述下流喷射反应器还包括位于所述喷射装置和所述出口装置之间的偏转装置，所述偏转装置沿所述气/液混合物的流动路径的方向产生通过喷射器装置; （ii）使步骤（i）中获得的反应混合物的至少一部分与链烷醇接触，得到含有1,2-亚烷基二醇和碳酸二烷基酯的反应混合物; 和（iii）从步骤（ii）中获得的反应混合物中回收1,2-亚烷基二醇和碳酸二烷基酯。

5. 发明授权

US08779180B2 Process for removing an alkanol impurity from an organic carbonate stream 有权
标题翻译：从有机碳酸盐流中除去烷醇杂质的方法
公开(公告)号：US08779180B2
公开(公告)日：2014-07-15
申请号：US13124752
申请日：2009-10-16
申请人： Evert Van Der Heide , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/06 , C07C68/08 , C07C69/96
CPC分类号： C07C68/06 , C07C68/065 , C07C68/08 , C07C69/96
摘要： The invention relates to a process for removing an alkanol impurity from a stream containing an organic carbonate and the alkanol impurity, comprising contacting the stream with a catalyst to effect reaction of the alkanol impurity with the organic carbonate.
摘要翻译：本发明涉及一种从含有机碳酸盐和链烷醇杂质的流中除去烷醇杂质的方法，包括使该物流与催化剂接触以使链烷醇杂质与有机碳酸酯反应。

6. 发明申请

US20110213173A1 PROCESS FOR REMOVING AN ALKANOL IMPURITY FROM AN ORGANIC CARBONATE STREAM 有权
标题翻译：从有机碳酸盐流中去除碱金属污染物的方法
公开(公告)号：US20110213173A1
公开(公告)日：2011-09-01
申请号：US13124752
申请日：2009-10-16
申请人： Evert Van Der Heide , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Evert Van Der Heide , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/08 , C07C68/06
CPC分类号： C07C68/06 , C07C68/065 , C07C68/08 , C07C69/96
摘要： The invention relates to a process for removing an alkanol impurity from a stream containing an organic carbonate and the alkanol impurity, comprising contacting the stream with a catalyst to effect reaction of the alkanol impurity with the organic carbonate.
摘要翻译：本发明涉及一种从含有机碳酸盐和链烷醇杂质的流中除去烷醇杂质的方法，包括使该物流与催化剂接触以使链烷醇杂质与有机碳酸酯反应。

7. 发明授权

US07763745B2 Process for the production of dialkyl carbonate and alkanediol 有权
标题翻译：生产碳酸二烷基酯和链烷二醇的方法
公开(公告)号：US07763745B2
公开(公告)日：2010-07-27
申请号：US11678008
申请日：2007-02-22
申请人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan
发明人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan
IPC分类号： C07C69/96
CPC分类号： C07C68/065 , C07C29/128 , C07C68/08 , Y02P20/127 , Y02P20/142 , C07C69/96 , C07C31/205
摘要： An alkylene carbonate and an alkanol are subjected to transesterification to yield a dialkyl carbonate and alkanediol in a process comprising (a) introducing the alkylene carbonate and an alkanol feedstock into a reaction zone to react in the presence of a transesterification catalyst to yield an alkanediol-rich stream and a stream comprising dialkyl carbonate and alkanol, which streams are separated; (b) passing the stream comprising dialkyl carbonate and alkanol to an extractive distillation zone in which an extractant is added to the stream; (c) obtaining from the extractive distillation zone an alkanol-rich vapor stream and a bottom stream containing the extractant and the dialkyl carbonate; (d) separating the bottom stream from step (c) in a second non-extractive distillation zone to yield a dialkyl carbonate-rich top stream and a extractant-rich bottom stream; and (e) at least partly recycling the extractant-rich bottom stream to the extractive distillation zone, wherein the extractant-rich bottom stream is used as heat source for the alkanol feedstock.
摘要翻译：碳酸亚烷基酯和链烷醇进行酯交换反应，得到碳酸二烷基酯和链烷二醇，该方法包括（a）将碳酸亚烷基酯和链烷醇原料引入反应区，在酯交换催化剂的存在下进行反应，得到链烷二醇 - 富含物流和包含碳酸二烷基酯和链烷醇的物流，所述物流被分离; （b）将包含碳酸二烷基酯和链烷醇的料流送入萃取蒸馏区，其中将萃取剂加入料流中; （c）从萃取蒸馏区获得富链烷醇蒸气流和含有萃取剂和碳酸二烷基酯的底部料流; （d）在第二非萃取蒸馏区中将步骤（c）的塔底物流分离，得到富含二烷基碳酸盐的顶部物流和富含萃取剂的塔底物流; 和（e）至少部分地将萃取剂富集底部物流再循环到萃取蒸馏区，其中富萃取剂底部料流用作链烷醇原料的热源。

8. 发明授权

US07456299B2 Process for the production of alkylene carbonate and use of alkylene carbonate thus produced in the manufacture of an alkane diol and a dialkyl carbonate 有权
标题翻译：用于制备碳酸亚烷基酯的方法和在制备烷烃二醇和碳酸二烷基酯中如此制备的亚烷基碳酸酯的用途
公开(公告)号：US07456299B2
公开(公告)日：2008-11-25
申请号：US11677997
申请日：2007-02-22
申请人： Evert Van Der Heide , Gerardus Martinus Maria Van Kessel , Timothy Michael Nisbet , Garo Garbis Vaporciyan
发明人： Evert Van Der Heide , Gerardus Martinus Maria Van Kessel , Timothy Michael Nisbet , Garo Garbis Vaporciyan
IPC分类号： C07D317/08
CPC分类号： C07C29/128 , C07D317/36 , Y02P20/584 , C07C31/202
摘要： An alkylene carbonate is produced by the reaction of an alkylene oxide with carbon dioxide in the presence of a phosphonium compound as catalyst in a process in which (a) the alkylene oxide, carbon dioxide and the phosphonium catalyst are continuously introduced into a reaction zone from which a product stream containing alkylene carbonate and catalyst is withdrawn, (b) alkylene carbonate and a mixture of alkylene carbonate and phosphonium catalyst are separated from the product stream, (c) the alkylene carbonate, separated in step (b), is recovered as product, and (d) the mixture of alkylene carbonate and phosphonium catalyst is continuously recycled to the reaction zone. The alkylene carbonate thus produced is suitably reacted with an alkanol to produce an alkane diol and a dialkyl carbonate.
摘要翻译：在鏻化合物作为催化剂的存在下，通过烯化氧与二氧化碳的反应制备碳酸亚烃酯，其中（a）将环氧烷，二氧化碳和鏻催化剂从取出含有碳酸亚烃酯和催化剂的产物流，（b）碳酸亚烷基酯和碳酸亚烃酯和鏻催化剂的混合物与产物流分离，（c）将步骤（b）中分离的碳酸亚烃酯回收为产物，和（d）碳酸亚烷基酯和鏻催化剂的混合物连续循环到反应区。这样制得的碳酸亚烃酯适当地与烷醇反应生成烷烃二醇和碳酸二烷基酯。

9. 发明授权

US07563919B2 Process for the preparation of an alkanediol and a dialkyl carbonate 失效
标题翻译：制备链烷二醇和碳酸二烷基酯的方法
公开(公告)号：US07563919B2
公开(公告)日：2009-07-21
申请号：US11677999
申请日：2007-02-22
申请人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan
发明人： Evert Van Der Heide , Timothy Michael Nisbet , Garo Garbis Vaporciyan
IPC分类号： C07C69/96 , C07C27/00
CPC分类号： C07C68/065 , Y02P20/127 , C07C69/96
摘要： An alkanediol and a dialkyl carbonate are prepared in a process comprising: (a) contacting an alkylene carbonate with an alkanol feedstock under transesterification conditions in a reactive distillation zone to obtain a top stream comprising dialkyl carbonate and the alkanol and a bottom stream comprising an alkanediol; (b) separating the top stream comprising dialkyl carbonate and the alkanol into an alkanol-rich stream and a dialkyl carbonate-rich stream; (c) recovering the dialkyl carbonate from the dialkyl carbonate-rich stream; and (d) recycling at least part of the alkanol-rich stream to the reactive distillation zone as part of the alkanol feedstock, wherein the alkanol-rich stream is split in at least two portions, and at least one portion is condensed and freed from compounds with a lower boiling point than the alkanol. The process is especially suitable for the production of propylene glycol and dimethyl carbonate from propylene carbonate and methanol.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在反应蒸馏区中在酯交换反应条件下使烯烃碳酸酯与链烷醇原料接触以获得包含碳酸二烷基酯和链烷醇的底部料流和包含链烷二醇 ; （b）将包含碳酸二烷基酯和链烷醇的顶部料流分离成富链烷醇流和富含碳酸二烷基酯的料流; （c）从富含碳酸二烷基酯的料流中回收碳酸二烷基酯; 和（d）作为链烷醇原料的一部分将至少部分富含链烷醇的料流再循环至反应性蒸馏区，其中富链烷醇流分成至少两部分，并且至少一部分被冷凝并从沸点低于链烷醇的化合物。该方法特别适用于从碳酸丙烯酯和甲醇生产丙二醇和碳酸二甲酯。

10. 发明申请

US20070203373A1 PROCESS FOR THE PREPARATION OF ALKANEDIOL 失效
标题翻译：制备阿尔卡尼醇的方法
公开(公告)号：US20070203373A1
公开(公告)日：2007-08-30
申请号：US11678009
申请日：2007-02-22
申请人： Evert Van Der Heide , Cornelis Vrouwenvelder
发明人： Evert Van Der Heide , Cornelis Vrouwenvelder
IPC分类号： C07C29/10
CPC分类号： C07C29/12 , C07C68/065 , C07C31/202 , C07C31/205 , C07C69/96
摘要： The invention provides a process for the preparation of alkanediol comprising the steps: (i) contacting alkylene oxide with carbon dioxide in the presence of a carbonation catalyst to obtain a reaction mixture containing alkylene carbonate at a reaction temperature of from 100 to 200° C.; (ii) contacting the reaction mixture obtained in step (i) with R—OH, in which R is hydrogen or an alkyl group in the presence of a catalyst to obtain a second reaction mixture containing alkanediol and R2CO3; (iii) subjecting the second reaction mixture containing alkanediol and R2CO3 to a separation step to yield a crude alkanediol stream, which is subjected to distillation to yield a purified stream of alkanediol as the bottom stream; (iv) subjecting the purified stream of alkanediol obtained in step (iii) to further distillation to obtain a second bottom stream containing a mixture of alkanediol, heavy components, and optionally carbonation catalyst, and a top stream containing high purity alkanediol; wherein at least part of the reaction mixture obtained in step (i) is used for heat exchange with at least part of the crude alkanediol stream and/or with at least part of the purified alkanediol stream.
摘要翻译：本发明提供一种制备链烷二醇的方法，包括以下步骤：（i）在碳酸化催化剂存在下使环氧烷与二氧化碳接触，得到反应温度为100-200℃的含有碳酸亚烷基酯的反应混合物 ; （ii）在催化剂存在下使步骤（i）中获得的反应混合物与R-OH（其中R是氢或烷基）接触，得到含有链烷二醇和R 2的第二反应混合物 > CO 3 3; （iii）将含有链烷二醇和R 2 CO 3的第二反应混合物进行分离步骤以产生粗链烷二醇流，将其进行蒸馏以产生纯化的流的链烷二醇作为底部流; （iv）使步骤（iii）中获得的纯化的烷烃二醇进一步蒸馏，得到含有链烷二醇，重组分和任选碳酸化催化剂的混合物的第二塔底料流和含有高纯度链烷二醇的顶流; 其中步骤（i）中获得的至少部分反应混合物用于与至少部分粗链烷二醇流和/或至少部分纯化的链烷二醇流进行热交换。

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