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

WO2010013796A1 PROCESS FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：制备2,3,3,3-四氯丙烯的方法
公开(公告)号：WO2010013796A1
公开(公告)日：2010-02-04
申请号：PCT/JP2009/063629
申请日：2009-07-24
申请人： DAIKIN INDUSTRIES, LTD. , NOSE, Masatoshi , KARUBE, Daisuke , SUGIYAMA, Akinari , SHIBANUMA, Takashi , CHAKI, Takehiro
发明人： NOSE, Masatoshi , KARUBE, Daisuke , SUGIYAMA, Akinari , SHIBANUMA, Takashi , CHAKI, Takehiro
IPC分类号： C07C17/20 , C07C17/25 , C07C21/18
CPC分类号： C07C17/206 , C07C17/25 , Y02P20/582 , C07C21/18
摘要： The present invention provides a process for producing 2,3,3,3-tetrafluoropropene represented by the formula CF 3 CF=CH 2 , comprising contacting a fluorine-containing propane represented by the formula CF 2 XCFYCH 2 Z, wherein X is Cl, Br, or I; one of Y and Z is H, and the other is F, Cl, Br, or I, with at least one catalyst selected from the group consisting of chromium oxides, fluorinated chromium oxides, and iron fluorides in a gas phase. According to the process of the invention, 2,3,3,3-tetrafluoropropene can be easily produced under economically advantageous conditions.
摘要翻译：本发明提供一种制备由式CF 3 CF = CH 2表示的2,3,3,3-四氟丙烯的方法，包括使由式CF 2 XCFYCH 2 Z表示的含氟丙烷与其中X为Cl，Br或I的化合物接触; Y和Z中的一个是H，另一个是F，Cl，Br或I，在气相中使用至少一种选自铬氧化物，氟化铬氧化物和氟化铁的催化剂。根据本发明的方法，可以在经济上有利的条件下容易地制备2,3,3,3-四氟丙烯。

2. 发明申请

WO2013039260A3 METHOD FOR PURIFYING CHLORINATED HYDROCARBON 审中-公开
公开(公告)号：WO2013039260A3
公开(公告)日：2013-03-21
申请号：PCT/JP2012/074131
申请日：2012-09-13
申请人： DAIKIN INDUSTRIES, LTD. , CHAKI, Takehiro , TAKAHASHI, Kazuhiro , YOSHIMI, Hitoshi , TANAKA, Yoshinori , IWANAGA, Yuusuke
发明人： CHAKI, Takehiro , TAKAHASHI, Kazuhiro , YOSHIMI, Hitoshi , TANAKA, Yoshinori , IWANAGA, Yuusuke
IPC分类号： C07C17/38 , C07C17/383 , C07C19/10 , C07C21/18 , C07C19/01
摘要： The present invention provides a method for purifying chlorinated hydrocarbon(s), comprising cooling a mixture containing hydrogen fluoride and at least one chlorinated hydrocarbon selected from the group consisting of 2-chloro-3,3,3-trifluoropropene, 2,3-dichloro-3,3-difluoropropene, 1,2,3-trichloro-1,1-difluoropropane, and 1,1,1,2,3-pentachloropropane to cause liquid-liquid separation of the mixture into an upper liquid phase having a high hydrogen fluoride concentration and a lower liquid phase having a high chlorinated hydrocarbon concentration, and a method for purifying a chlorinated hydrocarbon, comprising subjecting the lower liquid phase obtained by the liquid-liquid separation to a distillation operation. According to the present invention, a chlorinated hydrocarbon can be purified by separating and removing hydrogen fluoride from a chlorinated hydrocarbon-hydrogen fluoride mixture under simple and economically advantageous conditions.

3. 发明申请

WO2010013795A1 PROCESS FOR PRODUCTION OF 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：生产2,3,3,3-四氯丙烯的方法
公开(公告)号：WO2010013795A1
公开(公告)日：2010-02-04
申请号：PCT/JP2009/063628
申请日：2009-07-24
申请人： DAIKIN INDUSTRIES, LTD. , KARUBE, Daisuke , CHAKI, Takehiro , SHIOTANI, Yuko , SUGIYAMA, Akinari , NOSE, Masatoshi , SHIBANUMA, Takashi
发明人： KARUBE, Daisuke , CHAKI, Takehiro , SHIOTANI, Yuko , SUGIYAMA, Akinari , NOSE, Masatoshi , SHIBANUMA, Takashi
IPC分类号： C07C17/20 , C07C17/23 , C07C17/25 , C07C21/18 , C07C19/10
CPC分类号： C07C17/23 , C07C17/206 , C07C17/25 , C07C21/18 , Y02P20/582 , C07C19/10
摘要： The present invention provides a process for producing 2,3,3,3-tetrafluoropropene including the following reaction steps: (i) reducing a halogenated fluoropropane represented by formula (1): ACF 2 CF 2 CH 2 F y A z , wherein A is Cl, Br, or I; x is an integer from 0 to 2; y and z are each an integer from 0 to 3; and the total number of x, y, and z is 3, to produce a 1-halogenated-1,1,2,2-tetrafluoropropane represented by formula (2): ACF 2 CF 2 CH 3 ; and (ii) contacting the 1-halogenated-1,1,2,2-tetrafluoropropane obtained in step (i) with a catalyst in a gas phase to produce 2,3,3,3-tetrafluoropropene. According to the invention, 2,3,3,3-tetrafluoropropene (HFO-1234yf) can be produced in a high yield, using inexpensive starting materials.
摘要翻译：本发明提供一种生产2,3,3,3-四氟丙烯的方法，包括以下反应步骤：（i）还原由式（1）表示的卤代氟代丙烷：ACF2CF2CH2FyAz，其中A为Cl，Br或I; x是0到2的整数; y和z各自为0〜3的整数; 并且x，y和z的总数为3，以产生由式（2）表示的1-卤代-1,1,2,2-四氟丙烷：ACF2CF2CH3; 和（ii）使步骤（i）中获得的1-卤代-1,1,2,2-四氟丙烷与气相中的催化剂接触，得到2,3,3,3-四氟丙烯。根据本发明，可以使用廉价的原料以高产率制备2,3,3,3-四氟丙烯（HFO-1234yf）。

4. 发明申请

WO2013111911A1 PROCESS FOR PRODUCING FLUORINE-CONTAINING OLEFIN 审中-公开
标题翻译：生产含氟的烯烃的方法
公开(公告)号：WO2013111911A1
公开(公告)日：2013-08-01
申请号：PCT/JP2013/052120
申请日：2013-01-24
申请人： DAIKIN INDUSTRIES, LTD.
发明人： KARUBE, Daisuke , CHAKI, Takehiro , NISHIUMI, Masami , SHIBANUMA, Takashi , ARAI, Masashi
IPC分类号： C07C17/20 , C07C17/25 , C07C21/18 , B01J23/26 , B01J27/132
CPC分类号： C07C17/20 , B01J23/02 , B01J23/26 , B01J27/132 , B01J35/002 , B01J37/009 , B01J37/0201 , B01J37/031 , B01J37/06 , B01J37/26 , B01J2523/00 , C07C17/206 , C07C17/25 , Y02P20/582 , C07C21/18 , B01J2523/55 , B01J2523/56 , B01J2523/67
摘要： This invention provides a process for producing a fluoroolefin comprising reacting, in a vapor phase, a fluorinating agent and a chlorine-containing alkene or a chlorine-containing alkane in the presence of at least one catalyst selected from the group consisting of chromium oxide containing a Group 5 element and fluorinated chromium oxide containing a Group 5 element. According to the process of the present invention, the target fluoroolefin can be obtained with high starting material conversion and good selectivity.
摘要翻译：本发明提供了一种制备氟代烯烃的方法，包括在气相中使氟化剂和含氯烯烃或含氯烷烃在至少一种选自以下的催化剂存在下反应：将含有含有5族元素的5族元素和氟化铬氧化物。根据本发明的方法，可以以高起始原料转化率和良好的选择性获得目标氟烯烃。

5. 发明申请

WO2011059078A1 METHOD FOR PURIFYING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：纯化2,3,3,3-四氯丙烯的方法
公开(公告)号：WO2011059078A1
公开(公告)日：2011-05-19
申请号：PCT/JP2010/070258
申请日：2010-11-09
申请人： DAIKIN INDUSTRIES, LTD. , CHAKI, Takehiro , TAKAHASHI, Kazuhiro , TANAKA, Yoshinori , YOSHIMI, Hitoshi
发明人： CHAKI, Takehiro , TAKAHASHI, Kazuhiro , TANAKA, Yoshinori , YOSHIMI, Hitoshi
IPC分类号： C07C17/383 , C07C21/18
CPC分类号： C07C17/383 , C07C21/18
摘要： The present invention provides a method for purifying HFO-1234yf, comprising the steps of (1) cooling a liquid mixture containing HFO-1234yf and HF to separate the mixture into a upper liquid phase having a high concentration of HF and a lower liquid phase having a high concentration of 2,3,3,3-tetrafluoropropene; and (2) subjecting the lower liquid phase obtained in step (1) to a distillation operation to withdraw a mixture containing HFO-1234yf and HF from a top of a distillation column, thereby obtaining substantially HF-free HFO-1234yf from a bottom of the distillation column. According to the present invention, HF and HFO-1234yf contained in a mixture containing HF and HFO-1234yf can be separated under simple and economically advantageous conditions.
摘要翻译：本发明提供了一种净化HFO-1234yf的方法，包括以下步骤：（1）冷却含有HFO-1234yf和HF的液体混合物，以将混合物分离成具有高浓度HF和较低液相的上液相，高浓度的2,3,3,3-四氟丙烯; 和（2）将在步骤（1）中获得的下部液相进行蒸馏操作从蒸馏塔的顶部排出含有HFO-1234yf和HF的混合物，从而从底部获得基本上无HF的HFO-1234yf 蒸馏塔。根据本发明，包含在含有HF和HFO-1234yf的混合物中的HF和HFO-1234yf可以在简单且经济上有利的条件下分离。

6. 发明申请

WO2010021406A1 PROCESS FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：制备2,3,3,3-四氯丙烯的方法
公开(公告)号：WO2010021406A1
公开(公告)日：2010-02-25
申请号：PCT/JP2009/064893
申请日：2009-08-20
申请人： DAIKIN INDUSTRIES, LTD. , TAKAHASHI, Kazuhiro , CHAKI, Takehiro , SHIOTANI, Yuko
发明人： TAKAHASHI, Kazuhiro , CHAKI, Takehiro , SHIOTANI, Yuko
IPC分类号： C07C17/25 , C07C17/358 , C07C21/18
CPC分类号： C07C17/25 , C07C17/358 , C07C17/383 , C07C21/18 , C07C19/08
摘要： The present invention provides a process for producing 2,3,3,3-tetrafluoropropene including the step of dehydrofluorinating 1,1,1,2,3-pentafluoropropane, wherein 1,3,3,3-tetrafluoropropene and 1,1,3,3,3-pentafluoropropane are supplied together with 1,1,1,2,3-pentafluoropropane to a reactor containing a catalyst to simultaneously perform dehydrofluorination reaction and isomerization reaction. According to the process of the present invention, 2,3,3,3-tetrafluoropropene (HFO-1234yf) can be efficiently produced by effectively using the by-products of the dehydrofluorination reaction.
摘要翻译：本发明提供一种制备2,3,3,3-四氟丙烯的方法，包括将1,1,1,2,3-五氟丙烷脱氟化氢的步骤，其中1,3,3,3-四氟丙烯和1,1,3 ，3,3-五氟丙烷与1,1,1,2,3-五氟丙烷一起供给到含有催化剂的反应器中以同时进行脱氟化氢反应和异构化反应。根据本发明的方法，可以通过有效地使用脱氟化氢反应的副产物来有效地制备2,3,3,3-四氟丙烯（HFO-1234yf）。

7. 发明申请

WO2014025065A1 PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译：生产2,3,3,3-四氯丙烯的方法
公开(公告)号：WO2014025065A1
公开(公告)日：2014-02-13
申请号：PCT/JP2013/071897
申请日：2013-08-07
申请人： DAIKIN INDUSTRIES, LTD.
发明人： TAKAHASHI, Kazuhiro , MOTOYAMA, Hitoshi , CHAKI, Takehiro , KARUBE, Daisuke , KISHIMOTO, Masayuki
IPC分类号： C07C17/20 , C07C17/25
CPC分类号： C07C17/20 , C07C17/206 , C07C17/25 , Y02P20/582 , C07C21/18
摘要： The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising the steps of producing 2-chloro-3,3,3-trifluoropropene by reacting anhydrous hydrogen fluoride with a specific chlorine-containing compound in a gas phase in the presence of a fluorination catalyst while heating; and producing 2,3,3,3-tetrafluoropropene by reacting 2-chloro-3,3,3-trifluoropropene with anhydrous hydrogen fluoride in a gas phase in the presence of a fluorination catalyst while heating, the step of producing 2-chloro-3,3,3-trifluoropropene being performed after the step of producing 2,3,3,3-tetrafluoropropene. According to the process, 2,3,3,3-tetrafluoropropene can be produced with reduced energy and equipment costs in an economically advantageous manner.
摘要翻译：本发明提供一种生产2,3,3,3-四氟丙烯的方法，包括以下步骤：通过无水氟化氢与气相中的特定含氯化合物反应制备2-氯-3,3,3-三氟丙烯在加热的同时存在氟化催化剂; 在加热的同时，在氟化催化剂的存在下，在气相中使2-氯-3,3,3-三氟丙烯与无水氟化氢反应生成2,3,3,3-四氟丙烯，制备2-氯-3,3,3-三氟丙烯的步骤，在制备2,3,3,3-四氟丙烯的步骤之后进行3,3,3-三氟丙烯。根据该方法，可以以经济上有利的方式以降低的能量和设备成本制备2,3,3,3-四氟丙烯。

8. 发明申请

WO2014010750A1 PROCESS FOR PRODUCING FLUORINE-CONTAINING OLEFIN 审中-公开
标题翻译：生产含氟的烯烃的方法
公开(公告)号：WO2014010750A1
公开(公告)日：2014-01-16
申请号：PCT/JP2013/069453
申请日：2013-07-10
申请人： DAIKIN INDUSTRIES, LTD.
发明人： CHAKI, Takehiro , KARUBE, Daisuke , NISHIUMI, Masami
IPC分类号： C07C17/20 , C07C21/18 , C07C19/08
CPC分类号： C07C17/21 , B01J23/26 , B01J35/002 , B01J35/026 , B01J35/1014 , B01J37/031 , C07C17/206 , C07C17/25 , Y02P20/582 , C07C21/18 , C07C19/08
摘要： The present invention provides a process for producing a fluoroolefin by reacting, in a gas phase, a fluorinating agent and a chlorine-containing alkene or a chlorine-containing alkane in the presence of at least one catalyst selected from the group consisting of chromium oxide, at least part of which is crystallized, and fluorinated chromium oxide obtained by fluorinating the chromium oxide. According to the present process, a target fluoroolefin can be obtained at a high conversion rate of the starting material and with high selectivity.
摘要翻译：本发明提供了一种制备氟代烯烃的方法，该方法是在气相中使氟化剂和含氯烯烃或含氯烷烃在至少一种选自氧化铬，其中至少一部分是结晶化的，氟化氧化铬通过氟化氧化铬得到。根据本方法，可以以起始原料的高转化率和高选择性获得目标氟烯烃。

9. 发明申请

WO2012011609A1 PURIFICATION METHOD OF 2,3,3,3-TETRAFLUOROPROPENE 审中-公开
标题翻译： 2,3,3,3-四氯丙烯的纯化方法
公开(公告)号：WO2012011609A1
公开(公告)日：2012-01-26
申请号：PCT/JP2011/067179
申请日：2011-07-21
申请人： DAIKIN INDUSTRIES, LTD. , CHAKI, Takehiro , TAKAHASHI, Kazuhiro
发明人： CHAKI, Takehiro , TAKAHASHI, Kazuhiro
IPC分类号： C07C17/38 , C07C17/383 , C07C21/18 , C01B7/19
CPC分类号： C07C17/386 , C01B7/196 , C07C17/38 , C07C17/383 , Y02P20/582 , C07C21/18
摘要： This invention provides a method for purifying HFO-1234yf by removing HF from a mixture of HFO-1234yf and HF under simple and economically advantageous conditions. According to the present invention, this is a purification method for 2,3,3,3-tetrafluoropropene, (1) the purification method comprising the step of subjecting a mixture comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride to extractive distillation in a distillation column A using an extractant, thereby obtaining a fraction I that contains 2,3,3,3-tetrafluoropropene and has a lower ratio of hydrogen fluoride to 2,3,3,3-tetrafluoropropene than that of the mixture, while obtaining a fraction II that contains hydrogen fluoride and has a lower ratio of 2,3,3,3-tetrafluoropropene to hydrogen fluoride than that of the mixture; (2) the extractant comprising at least one member selected from the group consisting of: (i) alcohols represented by ROH, wherein R is a C 1-5 alkyl group, (ii) ethers represented by ROR', wherein R and R' are the same or different, and each is a C 1-4 alkyl group, (iii) fluorinated alcohols represented by RfOH, wherein Rf is a C 1-3 fluoroalkyl group, (iv) ketones represented by RCOR', wherein R and R' are the same or different, and each is a C 1-4 alkyl group, (v) esters represented by RCOOR', wherein R and R' are the same or different, and each is a C 1-4 alkyl group, (vi) polyols represented by R(OH)n, wherein R is a C 1-4 alkyl group, and n is an integer of 2 to 3, and (vii) ethylene glycols represented by R 1 O(CH 2 CH 2 O) n R 2 , wherein R 1 and R 2 are the same or different, and each is hydrogen or a C 1-4 alkyl group, and n is an integer of 1 to 3.
摘要翻译：本发明提供了一种通过在简单且经济有利的条件下从HFO-1234yf和HF的混合物中除去HF来净化HFO-1234yf的方法。根据本发明，这是2,3,3,3-四氟丙烯的纯化方法，（1）纯化方法，包括使包含2,3,3,3-四氟丙烯和氟化氢的混合物进行萃取在使用萃取剂的蒸馏塔A中进行蒸馏，从而获得含有2,3,3,3-四氟丙烯的馏分I，并且氟化氢与2,3,3,3-四氟丙烯的比例低于混合物，同时获得含有氟化氢并且比2,3混合物具有较低的2,3,3,3-四氟丙烯与氟化氢的比例II; （2）萃取剂，其包含选自以下的至少一种：（i）由ROH表示的醇，其中R为C 1-5烷基，（ii）由ROR'表示的醚，其中R和R'为相同或不同，各自为C1-4烷基，（iii）由RfOH表示的氟化醇，其中Rf为C1-3氟代烷基，（iv）由RCOR'表示的酮，其中R和R'为相同或不同，并且各自为C 1-4烷基，（v）由RCOOR'表示的酯，其中R和R'相同或不同，并且各自为C 1-4烷基，（vi）由 R（OH）n，其中R为C 1-4烷基，n为2〜3的整数，（vii）由R 1 O（CH 2 CH 2 O）n R 2表示的乙二醇，其中R 1和R 2相同或不同，各自为氢或C 1-4烷基，n为1〜3的整数。

10. 发明公开

EP3901124A1 FLUOROETHANE PRODUCTION METHOD AND FLUOROOLEFIN PRODUCTION METHOD 审中-实审转让
公开(公告)号：EP3901124A1
公开(公告)日：2021-10-27
申请号：EP19899310.7
申请日：2019-12-18
申请人： DAIKIN INDUSTRIES, LTD.
发明人： IWAMOTO, Tomoyuki , USUI, Takashi , CHAKI, Takehiro , TAKAHASHI, Kazuhiro , NAKAUE, Tsubasa
IPC分类号： C07C19/08 , C07C21/18 , C07C17/35 , C07C17/354 , C07B61/00
摘要： Provided are a method for producing a fluoroethane, which is the desired product, with high selectivity; and a method for producing a fluoroolefin.
The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane from a fluoroethylene by a reaction in the presence of at least one catalyst. The reaction is performed in two or more reaction zones. Each reaction zone comprises a catalyst, and the fluoroethylene is supplied to each reaction zone to perform the reaction.

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