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. 发明授权

US06989469B2 Preparation method 失效
标题翻译：制备方法
公开(公告)号：US06989469B2
公开(公告)日：2006-01-24
申请号：US10648072
申请日：2003-08-26
申请人： David Cleve Eubanks , Raymond Lawrence June , Timothy Michael Nisbet , Joseph Broun Powell , Marinus Van Zwienen
发明人： David Cleve Eubanks , Raymond Lawrence June , Timothy Michael Nisbet , Joseph Broun Powell , Marinus Van Zwienen
IPC分类号： C07C1/00
CPC分类号： C07C1/24 , C07C15/46
摘要： The invention pertains to a method of preparing styrene or substituted styrene involving (1) converting a mixture containing alkylbenzene hydroperoxide or substituted alkylbenzene hydroperoxide to a mixture containing phenyl alkanol or substituted phenyl alkanol and (2) dehydrating the phenyl alkanol or substituted phenyl alkanol, characterized by oxidizing an alkene to an alkylene oxide in step (1) in the presence of a heterogenous catalyst and dehydrating the phenyl alkanol or substituted phenyl alkanol in step (2) in the presence of a homogenous dehydration catalyst to obtain styrene or substituted styrene.
摘要翻译：本发明涉及制备苯乙烯或取代苯乙烯的方法，其涉及（1）将含有烷基苯氢过氧化物或取代的烷基苯氢过氧化物的混合物转化为含有苯基链烷醇或取代的苯基链烷醇的混合物和（2）使苯基链烷醇或取代的苯基链烷醇脱水，在异种催化剂的存在下，在步骤（1）中将烯烃氧化成烯化氧，并且在步骤（2）中使苯基链烷醇或取代的苯基链烷醇在均相脱水催化剂存在下脱水得到苯乙烯或取代的苯乙烯。

2. 发明申请

US20090143626A1 PROCESS FOR PREPARING AN ARYLALKYL COMPOUND 审中-公开
标题翻译：制备ARYLALKYL化合物的方法
公开(公告)号：US20090143626A1
公开(公告)日：2009-06-04
申请号：US12192675
申请日：2008-08-15
申请人： Raymond Lawrence June , Timothy Michael Nisbet
发明人： Raymond Lawrence June , Timothy Michael Nisbet
IPC分类号： C07C33/025 , C07C1/00
CPC分类号： C07D301/04 , C07C1/22 , C07C1/24 , C07C15/46 , C07C29/132 , C07C407/00 , C07C409/08 , C07C2521/04 , C07C2523/26 , C07C2523/42 , C07C2523/44 , C07C2523/72 , C07C2523/755 , C07C15/073 , C07C15/085 , C07C33/22
摘要： The invention relates to a process for preparing an arylalkyl compound, which comprises contacting a feed comprising a bis(arylalkyl)ether with hydrogen in the presence of a catalyst at elevated temperature.
摘要翻译：本发明涉及一种制备芳基烷基化合物的方法，其包括在升高的温度下，在催化剂存在下使包含双（芳基烷基）醚的进料与氢气接触。

3. 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。

4. 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。

5. 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。

6. 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。

7. 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。

8. 发明授权

US06849771B2 Process 失效
标题翻译：处理
公开(公告)号：US06849771B2
公开(公告)日：2005-02-01
申请号：US10636442
申请日：2003-08-06
申请人： Timothy Michael Nisbet , Eduardus Petrus Simon Schouten , Cornelis Willem Adriaan Schram
发明人： Timothy Michael Nisbet , Eduardus Petrus Simon Schouten , Cornelis Willem Adriaan Schram
IPC分类号： C07C1/24 , C07C29/132 , C07C27/00
CPC分类号： C07C29/132 , C07C1/24 , C07C15/46 , C07C33/22
摘要： The invention relates to a process for converting 1-phenylethanol into styrene, which process involves: (1) contacting a feed containing 1-phenylethanol, organic acid and 2-phenylethanol with a catalyst to obtain a product containing styrene, and (2) removing ester compounds based on 2-phenylethanol and organic acid from the product of step (1), in which process the feed of step (1) has a molar ratio of organic acid to 2-phenylethanol of at least 1:10.
摘要翻译：本发明涉及一种将1-苯基乙醇转化为苯乙烯的方法，该方法包括：（1）使含有1-苯基乙醇，有机酸和2-苯基乙醇的进料与催化剂接触，得到含苯乙烯的产物，和（2）除去基于2-苯基乙醇和来自步骤（1）的产物的有机酸的酯化合物，其中步骤（1）的进料具有至少1:10的有机酸与2-苯基乙醇的摩尔比。

9. 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。

10. 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。

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