Patent application number | Description | Published |
20100240912 | METHOD FOR PRODUCING CARBONATE COMPOUND - The present invention is to provide a production process capable of selectively producing various kinds of fluorine-containing carbonate compounds without any inhibition in high yields without using phosgene and without producing hydrogen chloride as a by-product. The present invention relates to a process for producing a fluorine-containing compound having a carbonate bond by reacting a compound (1) with a fluorine-containing compound having an OH group. In the formula (1) shown below, X | 09-23-2010 |
20100249436 | METHOD FOR PRODUCING CARBONATE COMPOUND - The present invention is to provide a novel production process capable of selectively producing various kinds of carbonate compounds without any inhibition in high yields without using phosgene and without producing hydrogen chloride as a by-product. The present invention relates to a process for producing a compound having a carbonate bond by reacting a compound (1) with a compound having one OH group or a compound having two or more OH groups in the presence of a halogen salt. In the formula (1) shown below, X | 09-30-2010 |
20110067733 | METHOD FOR CLEANING WITH FLUORINE COMPOUND - To provide a cleaning method capable of favorably removing an object to be cleaned having a plasma polymer formed in a plasma etching step employing a fluorinated gas. | 03-24-2011 |
20110214694 | SUPERCRITICAL PROCESSING APPARATUS AND SUPERCRITICAL PROCESSING METHOD - Disclosed is a supercritical processing apparatus and a supercritical processing method for suppressing the pattern collapse or the injection of material constituting a processing liquid into a substrate. A processing chamber receives a substrate subjected to a processing with supercritical fluid, and a liquid supply unit supplies a processing liquid including a fluorine compound to the processing chamber. A liquid discharge unit discharges the supercritical fluid from the processing chamber, a pyrolysis ingredient removing unit removes an ingredient facilitating the pyrolysis of a liquid from the processing chamber or from the liquid supplied from the liquid supply unit, and a to heating unit heats the processing liquid including a fluorine compound of hydrofluoro ether or hydrofluoro carbon. | 09-08-2011 |
20110237846 | PROCESSES FOR PRODUCING 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE AND 2,3,3,3-TETRAFLUOROPROPENE - To provide processes for efficiently and economically producing 2-chloro-1,1,1,2-tetrafluoropropane (R244bb) and 2,3,3,3-tetrafluoropropene (R1234yf) in an industrially practical manner. | 09-29-2011 |
20110251442 | PROCESSES FOR PRODUCING 1,1-DICHLORO-2,3,3,3-TETRAFLUOROPROPENE AND 2,3,3,3-TETRAFLUOROPROPENE - To provide a simple and economical process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, which does not require purification of the raw material component obtained in the form of a mixture of isomers, and a process for producing 2,3,3,3-tetrafluoropropene from the product thereby obtained. | 10-13-2011 |
20110319676 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time. | 12-29-2011 |
20110319677 | Process for Producing 2, 3, 3, 3-Tetrafluoropropene - The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene is suppressed. | 12-29-2011 |
20110319678 | PROCESS FOR PRODUCING 1,1-DICHLORO-2,3,3,3-TETRAFLUOROPROPENE AND 2,3,3,3-TETRAFLUOROPROPENE - 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). | 12-29-2011 |
20110319679 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time. | 12-29-2011 |
20110319680 | PROCESS FOR PRODUCING 2, 3, 3, 3-TETRAFLUOROPROPENE - In the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf), formation of HFC-254eb as an excessively reduced product is suppressed. | 12-29-2011 |
20110319681 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - 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. | 12-29-2011 |
20120004474 | PROCESS FOR PRODUCING 1, 1-DICHLORO-2, 2, 3, 3, 3-PENTAFLUOROPROPANE - To provide a process for producing, at a high content ratio, 1,1-dichloro-2,2,3,3,3-pentafluoropropane (HCFC-225ca) which is useful as e.g. a starting material to obtain 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFO1214ya). | 01-05-2012 |
20120226011 | METHOD FOR PRODUCING POLYCARBONATE - The present invention relates to a method for producing a polycarbonate, containing melt-polycondensing a diol component containing a compound represented by the following formula (1) with a fluorine-containing carbonate: | 09-06-2012 |
20130023691 | METHOD FOR PRODUCING CARBAMATE COMPOUND, CARBAMATE COMPOUND, AND METHOD FOR PRODUCING ISOCYANATE COMPOUND USING SAME - The present invention relates to a method of producing a carbamate compound, comprising reacting a fluorine-containing carbonic diester compound represented by formula (1) and a non-aromatic diamine compound represented by formula (2) without using a catalyst, to thereby produce a carbamate compound represented by formula (3), and a method of producing an isocyanate compound represented by formula (20) from the carbamate compound without using a catalyst, wherein R represents a fluorine-containing monovalent aliphatic hydrocarbon group, and A represents a divalent aliphatic hydrocarbon group, a divalent alicyclic hydrocarbon group or a divalent aromatic-aliphatic hydrocarbon group. | 01-24-2013 |
20130345387 | METHOD FOR PRODUCING POLYESTER, AND FLUORINE-CONTAINING DICARBOXYLIC ACID ESTER COMPOUND - The present invention relates to a method for producing a polyester, containing conducting a transesterification reaction of at least one compound selected from compounds represented by the following formulae (1) to (3) with a diol compound in the presence of a catalyst: | 12-26-2013 |
20140305161 | PURIFYING METHOD, PURIFYING APPARATUS, AND MANUFACTURING METHOD OF 2,3,3,3-TETRAFLUOROPROPENE - There is provided a method and an apparatus for efficiently obtaining 2,3,3,3-tetrafluoropropene with low contents of both organic impurities and water. The method for continuously purifying crude 2,3,3,3-tetrafluoropropene containing water and one or more organic impurities, the method including using an apparatus having a distillation column with X stages (3≦X, the stage closest to a column top is the first stage) and a unit for cooling and condensing a distillate; supplying the crude 2,3,3,3-tetrafluoropropene to an m-th stage (n+1≦m≦X, 2≦n≦X−1) of the distillation column, recirculating at least part of the distillate cooled and condensed in the unit for cooling and condensing to an h-th stage (1≦h≦n−1) of the distillation column; and taking out a liquid phase part of an n-th stage of the distillation column to obtain a purified product of 2,3,3,3-tetrafluoropropene. | 10-16-2014 |
20150087854 | METHOD FOR PRODUCING CARBAMATE COMPOUND, CARBAMATE COMPOUND, AND METHOD FOR PRODUCING ISOCYANATE COMPOUND USING SAME - The present invention relates to a method of producing a carbamate compound, comprising reacting a fluorine-containing carbonic diester compound represented by formula (1) and a non-aromatic diamine compound represented by formula (2) without using a catalyst, to thereby produce a carbamate compound represented by formula (3), and a method of producing an isocyanate compound represented by formula (20) from the carbamate compound without using a catalyst, wherein R represents a fluorine-containing monovalent aliphatic hydrocarbon group, and A represents a divalent aliphatic hydrocarbon group, a divalent alicyclic hydrocarbon group or a divalent aromatic-aliphatic hydrocarbon group. | 03-26-2015 |