公开(公告)号：US08766021B2

公开(公告)日：2014-07-01

申请号：US13167509

申请日：2011-06-23

申请人： Satoshi Kawaguchi ,  Hidekazu Okamoto ,  Yu Takeuchi ,  Hirokazu Takagi ,  Kunio Watanabe ,  Koichi Yanase

发明人： Satoshi Kawaguchi ,  Hidekazu Okamoto ,  Yu Takeuchi ,  Hirokazu Takagi ,  Kunio Watanabe ,  Koichi Yanase

IPC分类号： C07C19/08

CPC分类号： C07C17/23 ,  C07C21/18

摘要： In the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf), formation of HFC-254eb as an excessively reduced product is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises reacting a raw material compound gas composed of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen gas, in the presence of a catalyst, wherein the catalyst is a catalyst having palladium supported on active carbon, and the ratio of the number of moles of the hydrogen gas to the number of moles of chlorine atoms in the raw material compound gas (H2/Cl) is at most 0.7.

摘要翻译： 在制备2,3,3,3-四氟丙烯（HFO-1234yf）时，抑制了作为过量还原产物的HFC-254eb的形成。 一种制备2,3,3,3-四氟丙烯的方法，包括使由1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2中的至少一种构成的原料化合物气体反应， 3,3,3-四氟丙烯和氢气，在催化剂存在下，其中催化剂是负载在活性炭上的钯的催化剂，氢气的摩尔数与摩尔数的比例 原料化合物气体（H2 / Cl）中的氯原子为0.7以下。

公开(公告)号：US08642820B2

公开(公告)日：2014-02-04

申请号：US13167285

申请日：2011-06-23

申请人： Ryuji Seki ,  Hidekazu Okamoto ,  Hirokazu Takagi ,  Satoshi Kawaguchi

发明人： Ryuji Seki ,  Hidekazu Okamoto ,  Hirokazu Takagi ,  Satoshi Kawaguchi

IPC分类号： C07C17/10

CPC分类号： C07C17/25 ,  C07C17/23 ,  C07C17/358 ,  C07C21/18 ,  C07C19/10

摘要： To provide a process to produce 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFO-1214ya) simply and economically without requiring purification of 1,1-dichloro-2,2,3,3,3-pentafluoropropane (HCFC-225ca) from the raw material component obtained as a mixture of isomers, i.e. dichloropentafluoropropane (HCFC-225) including HCFC-225ca and at the same time to produce simply and economically 2,3,3,3-tetrafluoropropene (HFO-1234yf) from 1-chloro-2,3,3,3-tetrafluoropropane (HCFC-244eb).A raw material composition comprising HCFC-244eb and HCFC-225 including HCFC-225ca is contacted with an alkali aqueous solution in the presence of a phase-transfer catalyst to produce CFO-1214ya from HCFC-225ca and at the same time to produce HFO-1234yf from HCFC-244eb.

摘要翻译： 为了提供简单且经济地制备1,1-二氯-2,3,3,3-四氟丙烯（CFO-1214ya）的方法，而不需要纯化1,1-二氯-2,2,3,3,3-五氟丙烷 （HCFC-225ca），从作为异构体混合物的混合物（即包含HCFC-225ca的二氯五氟丙烷（HCFC-225））得到的原料组分，同时简单且经济地制备2,3,3,3-四氟丙烯（HFO- 1234yf）来自1-氯-2,3,3,3-四氟丙烷（HCFC-244eb）。 包含HCFC-244eb和HCFC-225（包括HCFC-225ca）的原料组合物在相转移催化剂存在下与碱水溶液接触，从HCFC-225ca生产CFO-1214ya，同时生产HFO- 1234yf来自HCFC-244eb。

公开(公告)号：US08444857B2

公开(公告)日：2013-05-21

申请号：US12963737

申请日：2010-12-09

申请人： Hirokazu Takagi ,  Ryuji Seki

发明人： Hirokazu Takagi ,  Ryuji Seki

IPC分类号： C08F2/16

CPC分类号： C08F6/16 ,  C07C51/44 ,  C07C67/54 ,  C08F2/26 ,  C08F6/22 ,  C08F14/18 ,  C07C59/135 ,  C07C69/708 ,  C08L27/18 ,  C08F2/22

摘要： A method for purifying a fluorinated carboxylic acid having an etheric oxygen atom and its derivative, with small decomposition and inclusion of impurities. A liquid containing at least one member selected from the group consisting of a fluorinated compound represented by application formulae (1) and (2) is held at a heating temperature of at most 150° C. and distilled. Further, the liquid is a liquid obtained from any of a waste liquid after an aqueous emulsion of a fluoropolymer is coagulated and the fluoropolymer is separated, an aqueous liquid obtained by cleaning an exhaust gas in a step of drying and/or a step of heat treatment of the separated fluoropolymer, and a liquid obtained by cleaning an anion exchange resin which has been brought into contact with the waste liquid or an aqueous dispersion obtained from the aqueous emulsion of the fluoropolymer, with an alkaline aqueous solution.

摘要翻译： 一种纯化具有醚性氧原子的氟化羧酸及其衍生物的方法，其分解和包含杂质小。 含有选自由应用式（1）和（2）表示的含氟化合物组成的组中的至少一种的液体在至多150℃的加热温度下保持并蒸馏。 此外，液体是在含氟聚合物的水性乳液凝固并且分离氟聚合物之后由废液中的任何一种获得的液体，在干燥步骤中清洁废气获得的水性液体和/或热 处理分离的含氟聚合物，以及通过用碱性水溶液清洗与废液接触的阴离子交换树脂或由含氟聚合物的水乳液获得的水分散体获得的液体。

公开(公告)号：US20110319681A1

公开(公告)日：2011-12-29

申请号：US13167235

申请日：2011-06-23

申请人： Satoshi KAWAGUCHI ,  Hidekazu Okamoto ,  Yu Takeuchi ,  Hirokazu Takagi ,  Kunio Watanabe ,  Koichi Yanase

发明人： Satoshi KAWAGUCHI ,  Hidekazu Okamoto ,  Yu Takeuchi ,  Hirokazu Takagi ,  Kunio Watanabe ,  Koichi Yanase

IPC分类号： C07C17/20

CPC分类号： C07C17/23 ,  C07C21/18

摘要： The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene as a by-product is suppressed.A process for producing 2,3,3,3-tetrafluoropropene, which comprises introducing and reacting a raw material compound composed of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and hydrogen, in a catalyst layer packed with a catalyst-supporting carrier, wherein the temperature of the catalyst layer is controlled to be higher than the dew point of the raw material mixed gas comprising the raw material compound and the hydrogen, and the maximum temperature of the catalyst layer is maintained to be at most 130° C. during the reaction.

摘要翻译： 本发明的目的是提供一种制备高纯度2,3,3,3-四氟丙烯的方法，由此抑制作为副产物的3,3,3-三氟丙烯的形成。 一种制备2,3,3,3-四氟丙烯的方法，其包括将由1,1-二氯-2,3,3,3-四氟丙烯和1-氯-2 ，3,3,3-四氟丙烯和氢，在催化剂载体的催化剂层中控制催化剂层的温度高于包含原料的原料混合气体的露点 化合物和氢气，催化剂层的最高温度在反应期间保持在至多130℃。

公开(公告)号：US20110319678A1

公开(公告)日：2011-12-29

申请号：US13167285

申请日：2011-06-23

申请人： Ryuji SEKI ,  Hidekazu Okamoto ,  Hirokazu Takagi ,  Satoshi Kawaguchi

发明人： Ryuji SEKI ,  Hidekazu Okamoto ,  Hirokazu Takagi ,  Satoshi Kawaguchi

IPC分类号： C07C17/25

CPC分类号： C07C17/25 ,  C07C17/23 ,  C07C17/358 ,  C07C21/18 ,  C07C19/10

摘要： To provide a process to produce 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFO-1214ya) simply and economically without requiring purification of 1,1-dichloro-2,2,3,3,3-pentafluoropropane (HCFC-225ca) from the raw material component obtained as a mixture of isomers, i.e. dichloropentafluoropropane (HCFC-225) including HCFC-225ca and at the same time to produce simply and economically 2,3,3,3-tetrafluoropropene (HFO-1234yf) from 1-chloro-2,3,3,3-tetrafluoropropane (HCFC-244eb).A raw material composition comprising HCFC-244eb and HCFC-225 including HCFC-225ca is contacted with an alkali aqueous solution in the presence of a phase-transfer catalyst to produce CFO-1214ya from HCFC-225ca and at the same time to produce HFO-1234yf from HCFC-244eb.

摘要翻译： 为了提供简单且经济地制备1,1-二氯-2,3,3,3-四氟丙烯（CFO-1214ya）的方法，而不需要纯化1,1-二氯-2,2,3,3,3-五氟丙烷 （HCFC-225ca），从作为异构体混合物的混合物（即包含HCFC-225ca的二氯五氟丙烷（HCFC-225））得到的原料组分，同时简单且经济地制备2,3,3,3-四氟丙烯（HFO- 1234yf）来自1-氯-2,3,3,3-四氟丙烷（HCFC-244eb）。 包含HCFC-244eb和HCFC-225（包括HCFC-225ca）的原料组合物在相转移催化剂存在下与碱水溶液接触，从HCFC-225ca生产CFO-1214ya，同时生产HFO- 1234yf来自HCFC-244eb。

公开(公告)号：US07408019B2

公开(公告)日：2008-08-05

申请号：US11410896

申请日：2006-04-26

申请人： Masao Iwaya ,  Kazuya Oharu ,  Hirokazu Takagi ,  Hidekazu Okamoto

发明人： Masao Iwaya ,  Kazuya Oharu ,  Hirokazu Takagi ,  Hidekazu Okamoto

IPC分类号： C08G73/24 ,  C07C43/11

CPC分类号： C09K5/00

摘要： A novel fluorinated ether compound useful as an inert medium is provided.The compound is represented by the following formula (1) such as the compound represented by the following formula (1a) or the compound represented by the following formula (1b): RF1OCFRF2CFRF2ORF1   (1) F(CF2)4OCF(CF3)CF(CF3)O(CF2)4F   (1a) F(CF2)6OCF(CF3)CF(CF3)O(CF2)6F   (1b) wherein the symbols have the following meanings: RF1 is a C4-7 linear perfluoroalkyl group; and RF2 is a fluorine atom or a trifluoromethyl group.

摘要翻译： 提供了可用作惰性介质的新型氟化醚化合物。 该化合物由下式（1a）表示的化合物或下式（1b）表示的化合物表示：＆lt;线内配方说明=“在线式” 结束=“引导”→>> F1> > > <？in-line-formula description =“In-line Formulas”end =“lead”？> F（CF < 4）OCF（CF 3）CF（CF 3 O）O（CF 2）4 F（1a）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead” CF（CF 3）O（CF 3）2 CFF（CF 3 3）O（CF 3） F（1b）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中符号具有以下含义： R F1是直链全氟烷基的C 4-7直链; R F2是氟原子或三氟甲基。

公开(公告)号：US20060199979A1

公开(公告)日：2006-09-07

申请号：US11410896

申请日：2006-04-26

申请人： Masao Iwaya ,  Kazuya Oharu ,  Hirokazu Takagi ,  Hidekazu Okamoto

发明人： Masao Iwaya ,  Kazuya Oharu ,  Hirokazu Takagi ,  Hidekazu Okamoto

IPC分类号： C07C43/11

CPC分类号： C09K5/00

摘要： A novel fluorinated ether compound useful as an inert medium is provided. The compound is represented by the following formula (1) such as the compound represented by the following formula (1a) or the compound represented by the following formula (1b): RF1OCFRF2CFRF2ORF1  (1) F(CF2)4OCF(CF3)CF(CF3)O(CF2)4F  (1a) F(CF2)6OCF(CF3)CF(CF3)O(CF2)6F  (1b) wherein the symbols have the following meanings: RF1 is a C4-7 linear perfluoroalkyl group; and RF2 is a fluorine atom or a trifluoromethyl group.

摘要翻译： 提供了可用作惰性介质的新型氟化醚化合物。 该化合物由下式（1a）表示的化合物或下式（1b）表示的化合物表示：＆lt;线内配方说明=“在线式” 结束=“引导”→>> F1> > > <？in-line-formula description =“In-line Formulas”end =“lead”？> F（CF < 4）OCF（CF 3）CF（CF 3 O）O（CF 2）4 F（1a）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead” CF（CF 3）O（CF 3）2 CFF（CF 3 3）O（CF 3） F（1b）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中符号具有以下含义： R F1是直链全氟烷基的C 4-7直链; R F2是氟原子或三氟甲基。

公开(公告)号：US07053326B2

公开(公告)日：2006-05-30

申请号：US10798293

申请日：2004-03-12

申请人： Sachio Muraki ,  Hiroshi Murase ,  Reiji Ohara ,  Akio Kobayashi ,  Hirokazu Takagi

发明人： Sachio Muraki ,  Hiroshi Murase ,  Reiji Ohara ,  Akio Kobayashi ,  Hirokazu Takagi

IPC分类号： H01H33/14

CPC分类号： H01H33/42 ,  H01H31/003 ,  H01H33/008 ,  H01H33/122 ,  H01H33/56 ,  H02B5/06 ,  H02B13/035

摘要： In an integrated type gas-insulated switching apparatus, a plurality of switching devices are provided. Each of switching devices includes a contact and an insulated container in which the contact is contained. The contact comprises electrodes adapted to be contacted with each other and separated therefrom. The insulated container is filled with an insulating gas. A conductive container is provided, to which the plurality of switching devices are connected, respectively. An insulated structure supports the conductive container.

公开(公告)号：US06969776B2

公开(公告)日：2005-11-29

申请号：US10869053

申请日：2004-06-17

申请人： Takashi Okazoe ,  Kunio Watanabe ,  Masahiro Ito ,  Daisuke Shirakawa ,  Shin Tatematsu ,  Hirokazu Takagi

发明人： Takashi Okazoe ,  Kunio Watanabe ,  Masahiro Ito ,  Daisuke Shirakawa ,  Shin Tatematsu ,  Hirokazu Takagi

IPC分类号： C07C45/54 ,  C07C51/09 ,  C07C67/287 ,  C07C69/708 ,  C07C45/65 ,  C07C43/30 ,  C07C51/58 ,  C07C53/38

CPC分类号： C07C69/708 ,  C07C45/54 ,  C07C51/09 ,  C07C67/287 ,  C07C2601/14 ,  C07C49/16 ,  C07C49/463 ,  C07C49/167 ,  C07C53/50

摘要： The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process.Namely, it is a process for producing a fluorinated ketone of the following formula (5), which comprises reacting a compound of the following formula (3) having a fluorine content of at least 30 mass %, with fluorine in a liquid phase to obtain a compound of the following formula (4), and then, subjecting the ester linkage of the compound of the formula (4) to a dissociation reaction: RCCOOCHRARB  (3) RCFCOOCFRAFRBF  (4) RAFRBFC═O  (5) wherein each of RA and RAF are each a monovalent organic group such as an alkyl group, or RA and RB may be bonded to each other to form a bivalent organic group such as an alkylene group, RAF and RBF are a monovalent organic group such as a perfluoroalkyl group formed by fluorination of RA and RB, or they are bonded to each other to form a bivalent organic group such as a perfluoroalkylene group, and RC and RCF are each a monovalent organic group such as a perfluoroalkyl group which may contain an etheric oxygen atom.

公开(公告)号：US06803488B2

公开(公告)日：2004-10-12

申请号：US10372765

申请日：2003-02-26

申请人： Takashi Okazoe ,  Kunio Watanabe ,  Masahiro Ito ,  Daisuke Shirakawa ,  Shin Tatematsu ,  Hirokazu Takagi

发明人： Takashi Okazoe ,  Kunio Watanabe ,  Masahiro Ito ,  Daisuke Shirakawa ,  Shin Tatematsu ,  Hirokazu Takagi

IPC分类号： C07C4330

CPC分类号： C07C69/708 ,  C07C45/54 ,  C07C51/09 ,  C07C67/287 ,  C07C2601/14 ,  C07C49/16 ,  C07C49/463 ,  C07C49/167 ,  C07C53/50

摘要： The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process. Namely, it is a process for producing a fluorinated ketone of the following formula (5), which comprises reacting a compound of the following formula (3) having a fluorine content of at least 30 mass %, with fluorine in a liquid phase to obtain a compound of the following formula (4), and then, subjecting the ester linkage of the compound of the formula (4) to a dissociation reaction: RCCOOCHRARB  (3) RCFCOOCFRAFRBF  (4) RAFRBFC═O  (5) wherein each of RA and RAF are each a monovalent organic group such as an alkyl group, or RA and RB may be bonded to each other to form a bivalent organic group such as an alkylene group, RAF and RBF are a monovalent organic group such as a perfluoroalkyl group formed by fluorination of RA and RB, or they are bonded to each other to form a bivalent organic group such as a perfluoroalkylene group, and RC and RCF are each a monovalent organic group such as a perfluoroalkyl group which may contain an etheric oxygen atom.

摘要翻译： 本发明提供了一种方法，其中各种结构的氟化酮可以通过短的工艺步骤制备，并且可用作工业生产方法。名义上，它是一种制备下式（5）的氟化酮的方法，其包括 使具有至少30质量％的氟含量的下式（3）的化合物与氟在液相中反应，得到下式（4）的化合物，然后将化合物 式（4）解离反应：其中R A和R A各自各自为一价有机基团，例如烷基，或者R和R可彼此键合 为了形成二价有机基团，例如亚烷基，R AF和R BF均为一价有机基团，例如通过R A和R B的氟化形成的全氟烷基，或者它们键合到 彼此形成二价有机基团，例如全氟亚烷基基团，和R a a d R CF各自为可以含有醚性氧原子的一价有机基团，例如全氟烷基。