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1. 发明申请

US20080200711A1 PROCESS FOR THE PREPARATION OF AN ALKANEDIOL AND A DIALKYL CARBONATE 有权
标题翻译：制备阿尔卡尼醇和碳酸二乙酯的方法
公开(公告)号：US20080200711A1
公开(公告)日：2008-08-21
申请号：US12017296
申请日：2008-01-21
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
IPC分类号： C07C68/06
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) reacting an alkylene carbonate and an alkanol feedstock in a reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, and unconverted alkylene carbonate; (b) separating dialkyl carbonate and unconverted alkanol from the product mixture to obtain a bottom product stream containing alkanediol and unconverted alkylene carbonate; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate, wherein the recycle stream comprising unconverted alkylene carbonate is split in at least two portions, and at least one portion is recycled to the reaction zone and another portion is subjected to hydrolysis to yield alkanediol and carbon dioxide.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使反应区中的碳酸亚烷基酯和链烷醇原料反应，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇和未转化的碳酸亚烃酯的产物混合物 ; （b）从产物混合物中分离出碳酸二烷基酯和未转化的链烷醇，得到含有链烷二醇和未转化的碳酸亚烃酯的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烃酯的再循环料流，其中包含未转化的碳酸亚烃酯的再循环料流至少分成两部分，并且至少一部分再循环至反应区，另一部分再循环至反应区部分水解，得到链烷二醇和二氧化碳。

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

US07718820B2 Process for the preparation of an alkanediol and a dialkyl carbonate 有权
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：US07718820B2
公开(公告)日：2010-05-18
申请号：US12017301
申请日：2008-01-21
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
IPC分类号： C07C69/96
CPC分类号： C07C68/065 , C07C69/96
摘要： An alkanediol and a dialkyl carbonate are prepared in a process comprising: (a) reacting an alkylene carbonate and an alkanol feedstock in a first reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (b) separating dialkyl carbonate and alkanol from the product mixture to obtain a bottom product stream containing alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate and dimers of the alkanediol, which process further comprises (e) passing at least part of the recycle stream to a second reaction zone in which the dimers of the alkanediol are converted to higher-boiling oligomers of alkanediol, yielding an oligomers-containing effluent; (f) separating the higher-boiling oligomers from the oligomers-containing effluent yielding an alkylene carbonate-containing remaining stream; and (g) recycling the alkylene carbonate-containing remaining stream to the first reaction zone.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使第一反应区中的碳酸亚烷基酯和链烷醇原料反应，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的碳酸亚烃酯和链烷二醇的二聚体; （b）从产物混合物中分离碳酸二烷基酯和链烷醇，得到含有链烷二醇，未转化的碳酸亚烷基酯和链烷二醇的二聚体的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烷基酯和链烷二醇的二聚体的再循环流，该方法还包括（e）将至少部分循环流送至第二反应区，其中二聚体的链烷二醇转化成链烷二醇的高沸点低聚物，产生含低聚物的流出物; （f）从含低聚物的流出物中分离高沸点低聚物，得到含有亚烷基碳酸酯的剩余物流; 和（g）将含有碳酸亚烃酯的剩余物流再循环到第一反应区。

4. 发明授权

US07732630B2 Process for the preparation of an alkanediol and a dialkyl carbonate 有权
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：US07732630B2
公开(公告)日：2010-06-08
申请号：US12017296
申请日：2008-01-21
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
IPC分类号： C07C69/96
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) reacting an alkylene carbonate and an alkanol feedstock in a reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, and unconverted alkylene carbonate; (b) separating dialkyl carbonate and unconverted alkanol from the product mixture to obtain a bottom product stream containing alkanediol and unconverted alkylene carbonate; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate, wherein the recycle stream comprising unconverted alkylene carbonate is split in at least two portions, and at least one portion is recycled to the reaction zone and another portion is subjected to hydrolysis to yield alkanediol and carbon dioxide.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使反应区中的碳酸亚烷基酯和链烷醇原料反应，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇和未转化的碳酸亚烃酯的产物混合物 ; （b）从产物混合物中分离出碳酸二烷基酯和未转化的链烷醇，得到含有链烷二醇和未转化的碳酸亚烃酯的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烃酯的再循环料流，其中包含未转化的碳酸亚烃酯的再循环料流至少分成两部分，并且至少一部分再循环至反应区，另一部分再循环至反应区部分水解，得到链烷二醇和二氧化碳。

5. 发明申请

US20080255336A1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 审中-公开
标题翻译：制备二氧化碳的方法
公开(公告)号：US20080255336A1
公开(公告)日：2008-10-16
申请号：US12017289
申请日：2008-01-21
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
IPC分类号： C08G64/04 , C07C69/96
CPC分类号： C07C68/065 , C07C68/06 , C07C69/96
摘要： Diaryl carbonate is prepared by reaction of an aromatic alcohol with a dialkyl carbonate, which dialkyl carbonate has been prepared by the reaction of an alkanol and an alkylene carbonate.
摘要翻译：通过芳族醇与碳酸二烷基酯反应制备碳酸二芳基酯，碳酸二烷基酯是通过烷醇和碳酸亚烷基酯的反应制得的。

6. 发明授权

US08975432B2 Process for preparing alkanediol and dialkyl carbonate 有权
标题翻译：链烷二醇和碳酸二烷基酯的制备方法
公开(公告)号：US08975432B2
公开(公告)日：2015-03-10
申请号：US13509648
申请日：2010-11-15
申请人： Cyrille Paul Allais , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Cyrille Paul Allais , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/06 , C07C29/48
CPC分类号： C07C68/065 , C07C69/96
摘要： The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comprising dialkyl carbonate, unconverted alkanol, alkanediol, unconverted alkylene carbonate and an alkoxy alkanol impurity; and subjecting the reaction mixture to distillation in a series of steps.
摘要翻译：本发明涉及一种制备链烷二醇和碳酸二烷基酯的方法，包括：在酯交换催化剂存在下使碳酸亚烷基酯和链烷醇反应，得到包含碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的碳酸亚烃酯和烷氧基烷醇杂质; 并对反应混合物进行一系列步骤的蒸馏。

7. 发明申请

US20120245319A1 PROCESS FOR PREPARING DIARYL CARBONATES 有权
标题翻译：制备二元碳酸盐的方法
公开(公告)号：US20120245319A1
公开(公告)日：2012-09-27
申请号：US13513214
申请日：2010-11-30
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/06 , C08G64/06
CPC分类号： C07C68/06 , B01D3/009 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol using a series of reactive distillation columns.
摘要翻译：本发明涉及使用一系列反应蒸馏塔从碳酸二烷基酯和芳基醇制备碳酸二芳基酯的方法。

8. 发明授权

US08530606B2 Process for preparing diaryl carbonates 有权
标题翻译：制备碳酸二芳基酯的方法
公开(公告)号：US08530606B2
公开(公告)日：2013-09-10
申请号：US13513214
申请日：2010-11-30
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C08G64/00 , C08G63/02
CPC分类号： C07C68/06 , B01D3/009 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol using a series of reactive distillation columns.
摘要翻译：本发明涉及使用一系列反应蒸馏塔从碳酸二烷基酯和芳基醇制备碳酸二芳基酯的方法。

9. 发明申请

US20130066099A1 PROCESS FOR PREPARING ALKANEDIOL AND DIALKYL CARBONATE 有权
标题翻译：制备阿尔卡尼和碳酸二乙酯的方法
公开(公告)号：US20130066099A1
公开(公告)日：2013-03-14
申请号：US13509648
申请日：2010-11-15
申请人： Cyrille Paul Allais , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
发明人： Cyrille Paul Allais , Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder
IPC分类号： C07C68/06 , C07C29/48
CPC分类号： C07C68/065 , C07C69/96
摘要： The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comprising dialkyl carbonate, unconverted alkanol, alkanediol, unconverted alkylene carbonate and an alkoxy alkanol impurity; (b) subjecting the reaction mixture to distillation in a first distillation column to obtain a top stream comprising dialkyl carbonate, alkanol and alkoxy alkanol impurity and a bottom stream comprising alkanediol and alkylene carbonate; (c) subjecting the bottom stream from the first distillation column to distillation in a second distillation column to obtain a top stream comprising alkanediol and a bottom stream comprising alkylene carbonate; (d) subjecting the lop stream from the first distillation column to distillation in a third distillation column in the presence of a catalyst to effect reaction of the alkoxy alkanol impurity with the dialkyl carbonate into a carbonate ether impurity, to obtain a top stream comprising alkanol and a bottom stream comprising dialkyl carbonate and carbonate ether impurity; and (e) subjecting the bottom stream from the third distillation column to distillation in a fourth distillation column to obtain a top stream comprising dialkyl carbonate and a bottom stream comprising dialkyl carbonate and carbonate ether impurity, and (f) recycling the bottom stream from the fourth distillation column to the first distillation column.
摘要翻译：本发明涉及一种制备链烷二醇和碳酸二烷基酯的方法，包括：（a）在酯交换催化剂存在下使碳酸亚烷基酯和链烷醇反应，得到包含碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的反应混合物碳酸亚烷基酯和烷氧基烷醇杂质; （b）使反应混合物在第一蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯，链烷醇和烷氧基链烷醇杂质的顶部料流和包含链烷二醇和碳酸亚烷基酯的底部料流; （c）使来自第一蒸馏塔的塔底物流在第二蒸馏塔中进行蒸馏以获得包含链烷二醇的顶流和包含碳酸亚烷基酯的塔底料流; （d）在催化剂存在下，使来自第一蒸馏塔的第一蒸馏塔的第一蒸馏塔在第三蒸馏塔中进行蒸馏，以使烷氧基链烷醇杂质与碳酸二烷基酯杂质反应，得到包含链烷醇和包含碳酸二烷基酯和碳酸酯醚杂质的底部料流; 和（e）使来自第三蒸馏塔的塔底物流在第四蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯和包含碳酸二烷基酯和碳酸酯醚杂质的底部料流的顶部料流，和（f）将来自第四蒸馏塔至第一蒸馏塔。

10. 发明申请

US20080183002A1 PROCESS FOR THE PREPARATION OF AN ALKANEDIOL AND A DIALKYL CARBONATE 有权
标题翻译：制备阿尔卡尼醇和碳酸二乙酯的方法
公开(公告)号：US20080183002A1
公开(公告)日：2008-07-31
申请号：US12017301
申请日：2008-01-21
申请人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
发明人： Timothy Michael Nisbet , Garo Garbis Vaporciyan , Cornelis Leonardus Maria Vrouwenvelder , Paul Wood
IPC分类号： C07C69/96
CPC分类号： C07C68/065 , C07C69/96
摘要： An alkanediol and a dialkyl carbonate are prepared in a process comprising: (a) reacting an alkylene carbonate and an alkanol feedstock in a first reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (b) separating dialkyl carbonate and alkanol from the product mixture to obtain a bottom product stream containing alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate and dimers of the alkanediol, which process further comprises (e) passing at least part of the recycle stream to a second reaction zone in which the dimers of the alkanediol are converted to higher-boiling oligomers of alkanediol, yielding an oligomers-containing effluent; (f) separating the higher-boiling oligomers from the oligomers-containing effluent yielding an alkylene carbonate-containing remaining stream; and (g) recycling the alkylene carbonate-containing remaining stream to the first reaction zone.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使第一反应区中的碳酸亚烷基酯和链烷醇原料反应，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的碳酸亚烃酯和链烷二醇的二聚体; （b）从产物混合物中分离碳酸二烷基酯和链烷醇，得到含有链烷二醇，未转化的碳酸亚烷基酯和链烷二醇的二聚体的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烷基酯和链烷二醇的二聚体的再循环流，该方法还包括（e）将至少部分循环流送至第二反应区，其中二聚体的链烷二醇转化成链烷二醇的高沸点低聚物，产生含低聚物的流出物; （f）从含低聚物的流出物中分离高沸点低聚物，得到含有亚烷基碳酸酯的剩余物流; 和（g）将含有碳酸亚烃酯的剩余物流再循环到第一反应区。

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