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WO/2020/133554A1 |
Disclosed is a method for the continuous preparation of 2,3,3,3-tetrafluoropropene. The method comprises: subjecting ethylene and carbon tetrachloride, which act as raw materials, to a liquid-phase catalytic telomerization reaction in th...
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WO/2020/130042A1 |
Provided are a fluoroethane production method that has a high selectivity for the target product, i.e. fluoroethane, and a fluoroolefin production method. The production method according to the present disclosure includes a step in whi...
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WO/2020/130036A1 |
Provided are a production method for a fluoro-olefin and a production method for fluoro-ethane having a high selectivity for a target fluoro-ethane product. The production method of the present disclosure includes a step for obtaining a ...
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WO/2020/132534A1 |
The present disclosure provides a process for producing trifluoroiodomethane (CF3I). The process may include providing a vapor-phase reactant stream comprising trifluoroacetic acid and iodine and reacting the reactant stream in the prese...
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WO/2020/123853A1 |
The present invention provides processes to prepare carbon tetrachloride by the chlorination of natural gas in the presence of a diluent.
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WO/2020/117745A1 |
The present disclosure provides a method for purifying trifluoroiodomethane. The method includes providing a process stream comprising trifluoroiodomethane, organic impurities, and acid impurities; reacting the process stream with a basi...
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WO/2020/085396A1 |
A cross-coupling reaction method including: preparation of an aromatic compound (1) that has a leaving group; preparation of a compound (2) capable of a cross-coupling reaction, the compound (2) being selected from aromatic amino compoun...
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WO/2020/066754A1 |
To provide a method for quickly synthesizing and producing a high-purity saturated hydrochlorofluorocarbon and saturated chlorofluorocarbon at low cost. Provided is a method for producing a compound represented by formula (I): CF3-CXCI-C...
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WO/2020/065492A1 |
A compound is represented by the following general formula (I): (I) wherein each of Rf1 and Rf2 is, independently, F, CF3, C2F5, C3F7, or C4F9, with the proviso that if either of Rf1 and Rf2 is fluorine, then the other is not fluorine; R...
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WO/2020/060139A1 |
The present invention relates to a method of producing methyl chloride by multistage reactions. The method of the present invention comprises: a) a chlorination step for sufficiently increasing the conversion rate of methane, which is an...
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WO/2020/041667A1 |
The present invention provides methods of preparing chlorinated alkanes and chlorinated alkanes by treating a chlorinated alkane starting material at least one Lewis acid catalyst comprising gallium metal, a gallium salt, a gallium alloy...
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WO/2020/041669A1 |
The present invention provides processes for the production of chlorinated alkanes from at least one chlorinated alkenes using a chlorinating agent in a two reactor system.
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WO/2020/041653A1 |
The present disclosure provides a gas-phase process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and trifluoroacetyl halide selected from the group consisting of triflu...
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WO/2020/041654A1 |
The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of tri...
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WO/2020/024624A1 |
Providing a method for manufacture of HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) and/or HCFC-122 (1,1,2-trichloro-2,2-difluoroethane), in which at least one reaction step takes place in a microreactor, particularly in a microreactor c...
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WO/2020/021193A1 |
The present invention relates to a method for the purification of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) using a first composition comprising 2-chloro-1,1,1,2-tetrafluoropropane and 2-chloro-3,3,3-trifluoropropene, said method ...
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WO/2020/014211A1 |
The present invention provides an improved reactor design for increasing the mass transfer of a gas in a liquid by a liquid driven eductor nozzle. The reactor or gas/liquid absorber comprises at least one eductor nozzle, at least one ann...
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WO/2020/002789A1 |
The invention relates to the use of a C3-C6 alkene compound having a single double bond in order to stabilize trifluoroiodomethane. The invention also relates to a composition comprising trifluoroiodomethane, to a C3-C6 alkene compound h...
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WO/2019/240248A1 |
In the present invention, by reacting a compound represented by general formula (2) ((2): CF2X1-CFX2-(CF2)n-4-CFX3-CF2X4) [In the formula: n is as previously described; and X1, X2, X3, and X4 are the same or different, and represent a ha...
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WO/2019/237723A1 |
A catalyst for producing 1,1,1-trifluoro-2,2-dichloroethane by gas-phase chlorination, and preparation and application methods therefor. The catalyst takes activated carbon as a carrier, and a metal chloride containing one or two of zinc...
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WO/2019/240249A1 |
This method comprises a reaction step for reacting, in an organic solvent and in the presence of a nitrogen-containing compound and zinc or a zinc alloy, a compound represented by general formula (2): CF2X1-CFX2-(CF2)n-4-CF2-CF2X3 (2) [i...
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WO/2019/239065A1 |
The invention relates to biobased vinylidene difluoride. The invention also relates to processes for preparing biobased vinylidene difluoride from various renewable raw materials. The invention also relates to vinylidene difluoride homop...
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WO/2019/236720A1 |
A process for making 2,3,3,3-tetrafluoropropene (HFO-1234yf) includes providing a composition including 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) to a reactor including a heater surface at a surface temperature greater than about ...
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WO/2019/225194A1 |
Provided is a lubricant capable of improving the property of sliding on ice and snow. Also provided is a fluorocarbon for use in the lubricant for use on ice and snow, characterized in that the lubricant includes a paraffin wax and the f...
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WO/2019/216239A1 |
Provided is a method for preparing a 1,2-difluoroethylene and/or a 1,1,2-trifluoroethane, the method including a step for performing at least one time fluorination by bringing one or more halides selected from the group consisting of a h...
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WO/2019/216175A1 |
The present disclosure provides a production method by which a fluoroolefin represented by general formula (1) CX1X2=CX3X4 (wherein X1, X2, X3 and X4 may be the same as or different from each other, and each represents a hydrogen atom or...
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WO/2019/195254A1 |
The present invention provides improved processes for preparing halogenated alkanes. The processes comprise contacting at least one alkene, a halogenated alkene, or combinations thereof with a halogenated methane with at least one chlori...
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WO/2019/195258A1 |
The present invention provides processes for the production of chloroalkanes, chlorofluoroalkanes, or combinations thereof from one or more alkenes, chlorinated alkenes, fluorinated alkenes, or combinations thereof.
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WO/2019/195248A1 |
The present invention provides highly efficient processes for the preparation of chlorinated alkanes. The processes comprise contacting an alkene, halogenated alkene, or combinations thereof, a halogenated methane comprising at least one...
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WO/2019/195247A1 |
The present invention provides improved processes for preparing halogenated alkanes. The processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlorine atom, whil...
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WO/2019/181439A1 |
Provided are a method and an apparatus for producing 1,2,3,4-tetrachlorobutane in which the loss of 3,4-dichloro-1-butene as a raw material and the loss of 1,2,3,4-tetrachlorobutane as a product are less likely to occur and which are cap...
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WO/2019/168115A1 |
Provided is 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. The method for HCFC-234bb prod...
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WO/2019/164342A1 |
The present specification provides a catalyst for processing oxychlorination of hydrocarbon, a preparation method therefor, and a preparation method of an oxychlorinated compound of hydrocarbon using same.
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WO/2019/150052A1 |
The present invention relates to an azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane, characterised in that the composition has a boiling point above 40°C.
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WO/2019/142627A1 |
Provided is a method of producing tetrafluoromethane wherein the reaction device is not likely to be damaged and tetrafluoromethane can be produced safely and stably at low cost. The tetrafluoromethane is produced by introducing fluorine...
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WO/2019/142626A1 |
Provided is a method for producing tetrafluoromethane, by which tetrafluoromethane is able to be produced safely and stably at low cost, and which is not likely to damage a reaction apparatus. According to the present invention, tetraflu...
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WO/2019/135057A1 |
The present invention concerns a method for purifying 1,1,1,2,3-pentafluoropropane comprising the steps of: i) providing a composition A1 comprising 1,1,2,3-pentafluoropropane and 1,1,1,3-tetrafluoropropane; ii) purifying, preferably dis...
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WO/2019/131114A1 |
Provided is a method for manufacturing tetrafluoromethane, whereby a reaction device is not prone to be damaged, and tetrafluoromethane can be stably manufactured safely and inexpensively. In the present invention, fluorine gas is introd...
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WO/2019/124220A1 |
Provided is an efficient production method that enables production of 5-chloro-1,1,2,2,3,3,4,4-octafluoropentane with high selectivity without the need of a complicated post-treatment process. This production method for 5-chloro-1,1,2,2,...
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WO/2019/116789A1 |
Provided is a method for producing a fluorine-containing organic compound, the method being capable of detecting an occurrence of a side reaction in a direct fluorination reaction using a fluorine gas, and also capable of producing a hig...
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WO/2019/113052A1 |
The present application provides processes and intermediates for preparing (E)-1,1,1,4,4,4-hexafluoro-2-butene and compositions which may be useful in applications including refrigerants, high-temperature heat pumps, organic Rankine cycl...
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WO/2019/106972A1 |
Provided is a 1,2,3,4-tetrachlorobutane production method that enables stable and economic production of 1,2,3,4-tetrachlorobutane. According to the present invention, 1,2,3,4-tetrachlorobutane is produced by: placing a reaction solution...
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WO/2019/108574A1 |
A method for producing 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from a reaction composition including a mixture of HCFC-244bb and 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) by selectively hydrogenating the HCFO-1233xf componen...
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WO/2019/098337A1 |
Provided is a method for purifying (Z)-1-chloro-2,3,3,3-tetrafluoropropene (1224yd(Z)), the method being capable of efficiently separating 2-chloro-1,1,1,2-tetrafluoropropane (244bb) from a composition including 1224yd(Z) and 244bb, and ...
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WO/2019/066311A1 |
The present invention relates to a method for preparing 1,1,2-trichloroethane. According to the present invention, a method capable of preparing 1,1,2-trichloroethane using simplified equipment at a high reaction yield is provided.
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WO/2019/067394A1 |
A method for synthesizing halogenated organic compounds, such as halogenated alkenyl group-containing and halogenated alkyl group-containing compounds having a heteroatom (e.g., O,N.S) coupled to a carbon atom of a halogenated alkenyl or...
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WO/2019/047447A1 |
Provided is a method for co-producing various halogenated olefins and fluoroalkanes: introducing cis-1-chloro-3,3,3-trifluoropropene into a first reactor, and an isomerization reaction occurring under the action of a first catalyst, a re...
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WO/2019/051390A1 |
The present application discloses compositions comprising hydrogen fluoride and fluorinated compounds (e.g., hydrofluorocarbons), wherein the fluorinated compound is present in the composition in an amount effective to form an azeotrope ...
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WO/2019/045470A1 |
The present invention relates to a method for preparing a sulfated metal oxide catalyst for chlorination, and a method for preparing a reaction product comprising methyl chloride (CH3Cl) by using a sulfated metal oxide catalyst. A sulfat...
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WO/2019/030527A1 |
The invention provides a composition comprising 3,3,3-trifIuoro-2-chloro-prop-1-ene (CF3CCI=CH2, 1233xf) and 1233xf oligomers in an amount of less than about 0.5 wt.% and the use of such a composition in a fluorination process.
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