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JP6930577B2 |
Provided are a method for producing a fluoroethane, which is a desired product, with high selectivity; and a method for producing a fluoroolefin.The production method according to the present disclosure comprises obtaining a product cont...
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JP6930524B2 |
There is provided a method of efficiently manufacturing purified 1224yd containing 1224yd at a high concentration from a mixture containing 1224yd and a compound that forms an azeotropic composition or an azeotropic-like composition with...
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JP6930962B2 |
A process is disclosed for (i) producingE-1,1,1,4,4,4-hexafluoro-2-butene (E-HFO-1336mzz) fromZ-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzz), comprising the steps of (a) providing a starting material comprisingZ-1,1,1,4,4,4-hexafluoro...
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JP6929217B2 |
The present invention relates to a process for producing fluorinated alkenes, the process comprising the steps of a) providing a microwave plasma in a reactor chamber with a reactor wall, and the reactor chamber having a longitudinal axi...
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JP6926173B2 |
A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
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JP2021520369A |
INDUSTRIAL APPLICABILITY The present invention provides a method for producing a halogenated alkene from a halogenated alkane using a homogeneous catalyst.
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JP2021520370A |
The present invention provides a process for preparing at least one chlorinated alkene from at least one chlorinated alkane using an aqueous base in a jet loop reactor.
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JP2021120351A |
To provide a method for producing, in a liquid phase, a fluoroolefin from hydrofluorocarbon (HFC) or hydrochlorofluorocarbon (HCFC) with high efficiency.A method for producing a fluoroolefin, the method comprising bringing HFC or HCFC, e...
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JP2021120352A |
To provide a method for producing, in a liquid phase, a fluoroolefin from hydrofluorocarbon (HFC) or hydrochlorofluorocarbon (HCFC) with high efficiency.A method for producing a fluoroolefin comprises bringing HFC or HCFC, each of which ...
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JP6921864B2 |
Disclosed is a process for treating a gas stream containing hydrochloric acid, hydrofluoric acid, a fluorinated compound and halogenated organic compounds, wherein the gas stream is subjected to: (a) a step of washing with an acid soluti...
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JP2021119134A |
To provide a process of manufacturing of 2,3,3,3-tetrafluoropropene.A process for manufacturing at least one compound selected from 1,1,1,2,2- pentafluoropropane (HFC-245cb), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and 2,3,3,3- tet...
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JP6916335B2 |
A process is provided comprising contacting and reacting the compound CF3CF2CHXC, wherein X is H or Cl, or the compound CF3CF=CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—...
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JP6918227B2 |
A method for removing unsaturated halogen impurities from 2,3,3,3-tetrafluoropropene (HFO-1234yf) of the type that may otherwise be difficult to separate from HFO-1234yf due to the impurities having boiling points which are close to that...
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JP6914619B2 |
The present invention provides a haloolefin-based composition comprising a highly-stable haloolefin in which decomposition and oxidization are inhibited, and the haloolefin-based composition being used for at least one application select...
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JP2021109828A |
To provide a novel production method for a composition containing 1223 yd, which allows easy purification of 1223 yd.The present disclosure provides a method for producing an azeotropic or azeotrope-like composition of 1,3-dichloro-2,3,3...
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JP2021107328A |
To provide a production method with which 1233 yd or 1223 yd is obtained in high yield.In a production method of a chlorine-containing propene, a compound represented by formula (1) and hydrogen are made to react with each other in the p...
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JP2021107346A |
To provide a novel production process for obtaining 1223yd with high selectivity.Provided is a production process for 1,3-dichloro-2,3,3-trifluoropropene by subjecting 1,3,3-trichloro-1,1,2,2-tetrafluoropropane to defluorination dechlori...
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JP6904374B2 |
An object of the present invention is to provide a novel azeoropic or azeotrope-like composition that is effective for the separation of HF from 1,1,2-trichloroethane (HCC-140), trans-1,2-dichloroethylene (HCO-1130(E)), or cis-1,2-dichlo...
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JP6894445B2 |
A process for preparing aminothiol ester compounds and salts thereof. The present invention relates to a process for preparing compounds of formula (I), (I) comprising the following steps: a) reacting a compound of formula (II) with an i...
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JP2021095412A |
To provide a purified product containing trans-1,2-difluoroethylene (HFO-1132(E)) and/or cis-1,2-difluoroethylene (HFO-1132(Z)) and water, with the content of the water being reduced.The present disclosure provides a purified product con...
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JP6892862B2 |
The present invention concerns a method for producing for producing and purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene and chloromethane (40), said method comprising the...
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JP6893915B2 |
This invention pertains to a method for removing acidic impurity from halogenated olefins, especially methods for removing acidic impurity from halogenated propenes, and even more particularly to methods for removing acidic impurity from...
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JP6889291B2 |
The invention relates to a process for separating monochloro-trifluoropropenes such as HCFC-1233 from azeotrope or azeotrope like combinations with HF. The process employs a cold, liquid phase separations and multiple azeotropic distilla...
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JP6888879B2 |
Disclosed is a process for the preparation of cis-1,1,1,4,4,4-hexafluoro-2-butene comprising contacting 1,1,1-trifluorotrichloroethane with hydrogen in the presence of a catalyst comprising ruthenium to produce a product mixture comprisi...
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JP6885447B2 |
To provide a method for purifying trifluoroethylene, by which from a fluid containing trifluoroethylene, a C1-5 alkane or alkene (excluding trifluoroethylene) in which at least one hydrogen atom may be substituted with a chlorine atom or...
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JP6888876B2 |
A method of producing a fluoropropene of formula CF3CH=CHF, comprising contacting a mixture of 1,1,1,3,3-pentafluoropropane and Z-1,3,3,3-tetrafluoropropene in the gas phase with a catalyst comprising at least one catalyst selected from ...
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JP2021088577A |
To provide a new composition containing trans-1,2-difluoroethylene.The composition contains trans-1,2-difluoroethylene (HFO-1132(E)) and at least one additional compound. The composition is an azeotropic or azeotrope-like composition. Al...
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JP2021088578A |
To provide a new composition containing cis-1,2-difluoroethylene.The composition contains cis-1,2-difluoroethylene (HFO-1132(Z)) and at least one additional compound. The composition is an azeotropic or azeotrope-like composition. Also p...
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JP6881457B2 |
Provided is an efficient method for producing 1-chloro-2, 3, 3, 3-tetrafluoropropene by reducing 1,1-dichloro-2, 3, 3, 3-tetrafluoropropene, the method generating fewer by-products such as 1, 1, 1-trifluoropropane and 3, 3, 3-trifluoropr...
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JP6876124B2 |
A catalyst comprising chromia and at least one additional metal or compound thereof and wherein the catalyst has a total pore volume of greater than 0.3 cm3/g and the mean pore diameter is greater than or equal to 90 Å, wherein the tot...
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JP2021075555A |
To provide a novel azeotropic composition and a separation method using the same.One embodiment of an azeotropic composition contains 1,2-difluoroethylene (HFO-1132) and hydrogen fluoride. Another embodiment of an azeotropic composition ...
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JP6874890B2 |
The present disclosure provides a method for producing a reaction gas containing R-1132(E) with selectivity higher than that of known methods. Specifically, the present disclosure provides a method for producing a reaction gas containing...
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JP6874786B2 |
Provided are a novel azeotropic or azeotrope-like composition, and a separation method using the composition. An object is to provide a novel azeotropic or azeotrope-like composition, and a separation method using the composition. A solu...
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JP2021512084A |
The present invention relates to a method of preparing haloethylene, preferably perhaloethylene, by vapor phase dechlorination of haloethane in the presence of a catalyst and optionally in the presence of an alkene or alkane. In certain ...
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JP6870006B2 |
The present process relates to a method for minimizing the formation of 1,1,1,2,2-pentafluoropropane in a liquid phase reaction of 2-chloro-3,3,3-trifluoropropene and HF in the presence of a hydrofluorination catalyst comprising: (a) rea...
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JP6870704B2 |
A method for efficiently obtaining trans-1-halo-2-fluoroethylene (E-isomer) and/or cis-1-halo-2-fluoroethylene (Z-isomer) is provided. The method for producing trans-1-halo-2-fluoroethylene (E-isomer) and/or cis-1-halo-2-fluoroethylene (...
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JP2021070633A |
To provide a production method in which HCFC-244bb is inhibited from being formed as a by-product in a reaction step where HFO-1234yf is converted into HCFC-234bb, thereby efficiently obtaining HCFC-234bb.A method for production of 1,2-d...
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JP6862127B2 |
The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization.The haloolefin-based composition comprises (a) a haloolefin;(c) 3-200 ppm by weight, based on the total amount of the ...
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JP6863422B2 |
Provided is a method for purifying a phosphorus-containing olefin compound salt as a raw material or an intermediate that is useful to increase the purity of a target product in a method for producing an olefin compound and that can be a...
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JP6863489B2 |
This invention provides a novel azeotrope-like composition and a separation method using the composition. The invention provides an azeotrope-like composition comprising 1,2-difluoroethylene (HFO-1132) and hydrogen fluoride; an azeotrope...
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JP6863421B2 |
Provided is a method for producing an olefin compound using reaction with a base, whereby a target product with a higher purity than the prior art can be obtained. Specifically, provided is a method for producing an olefin compound by re...
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JP2021059498A |
To provide a method for efficiently isomerizing unsaturated chlorofluorocarbon.A method for producing cis bodies has an isomerization step in which a raw material composition comprising trans bodies of ClCH=CXCF3 [X is a fluorine atom or...
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JP6860057B2 |
There is provided a method of efficiently manufacturing 1-chloro-2,3,3-trifluoropropene by an industrially feasible method by using a raw material which is easy to obtain, which includes subjecting 3-chloro-1,1,2,2-tetrafluoropropane to ...
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JP6860032B2 |
According to the present invention, a perfluorocarbon compound having a double bond or a triple bond is able to be obtained with high yield by: (1) reacting a halogenated hydrocarbon compound represented by formula (2) (wherein the bond ...
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JP6860033B2 |
This invention provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present invention provides a method for purifying 1,2-difluoroethylene, which is HFO-113...
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JPWO2019189024A1 |
We provide a manufacturing method of 1233 yd, which has a high conversion rate of raw materials and a small amount of impurities produced. 1-Chloro-2,3,3, characterized in that 1-chloro-2,3,3-trifluoropropene is obtained by dehydrochlori...
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JP6851430B2 |
Disclosed is a process for the preparation of cis-1,1,1,4,4,4-hexafluoro-2-butene comprising contacting 1,1,1-trifluorotrichloroethane with hydrogen in the presence of a catalyst comprising ruthenium to produce a product mixture comprisi...
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JP6847182B2 |
A process for manufacturing tetrafluoropropene, including, alternately: at least one step of reacting a chlorinated compound with hydrofluoric acid in the gas phase, in the presence of a fluorination catalyst, the proportion of oxygen op...
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JP6842310B2 |
To provide a method for producing 1-chloro-2,2-difluoroethylene from 1,2-dichloro-1,1-difluoroethane as raw material.A method for producing 1-chloro-2,2-difluoroethylene includes the reaction of 1,2-dichloro-1,1-difluoroethane in a gas p...
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JP6836791B2 |
Provided is a method for producing a perfluoroalkylated compound at low cost, safely and with high efficiency. A method for producing a perfluoroalkylated compound, comprising reacting a bis(perfluoroalkanoyl) peroxide with a compound ha...
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