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JP2022022665A |
To provide a method for producing high-purity HCFO-1223xd(Z) from a composition containing (Z)-1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd(Z)) and 1,1-dichloro-3,3,3-trifluoropropene (HCFO-(Z) 1223za) at low cost and with ease.The p...
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JP2022512806A |
Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene, optionally 1,1 , 1,3,3-Pentafluoropropane, and 2,3,3,3-tetrafluoropropene in an amount of 0.001 to 1.0%, fluoropropene composition. Also disclosed ar...
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JP2022513298A |
The following general formula (II): Rf(CFH)nCF = CHX (II) [During the ceremony, RfIs a straight chain, branched chain, or cyclic perfluoroalkyl group having 1 to 6 carbon atoms, optionally containing at least one linked heteroatom select...
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JP7003934B2 |
Provided is a method for producing 1-chloro-2, 3, 3-trifluoropropene, which efficiently produces 1-chloro-2, 3, 3-trifluoropropene by efficiently removing one or more compounds selected from among water, 1-chloro-3, 3-difluoro-1-propyne,...
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JP6989806B2 |
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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JP7014709B2 |
The present invention relates to a process for preparation of olefins containing fluorine.
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JP7011197B2 |
To provide a method for obtaining hexafluorobutadiene having higher purity.A production method includes a step for extracting and distilling, in the presence of an extraction solvent, a raw material composition containing hexafluorobutad...
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JP7011268B2 |
This disclosure provides a method for producing a hydrofluoroolefin (HFO) or fluoroolefin (FO), which is a target compound, with high selectivity, without requiring a high temperature and a catalyst in a synthesis process of the target c...
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JP7004934B2 |
The present invention has an object of providing a storage container and a storage method that maintain the quality of Z-1-chloro-3,3,3-trifluoropropene as a solvent or a detergent, and are usable to store and transport Z-1-chloro-3,3,3-...
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JP6997700B2 |
The present invention provides a method for purifying a fluid comprising a first drying stage which comprises contacting a first fluid stream comprising one or more hydro(chloro)fluoroolefins and water with a source of sulphuric acid to ...
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JP6997986B2 |
The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the uns...
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JP6995872B2 |
The present invention provides an improved process for preparation of 2,3,3,3-tetrafluoropropene, wherein recyclization of the reaction by-products result in equilibrium between feed and outlet composition.
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JP6997399B2 |
Provided is a composition that contains a fluoroethylene having one or more fluorine atoms, the composition having excellent stability of the fluoroethylene. The fluoroethylene composition of the present disclosure contains a fluoroethyl...
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JP2022008829A |
To provide a method for dehydrating a composition containing a fluorine-based hydrocarbon compound such as HFC-134a.A dehydration method includes a step of bringing a composition containing a fluorine-based hydrocarbon compound into cont...
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JP2022502397A |
The present invention is for limiting or preventing the isomerization of trans-1-chloro-3,3,3-trifluoropropene to cis-1-chloro-3,3,3-trifluoropropene, and /. Or a combination of a C3 to C6 alkene compound containing only one double bond ...
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JP2022000476A |
To provide a production method of a hydrofluoro olefin (HFO) or a fluoro olefin (FO) that does not require high temperature and a catalyst in a synthesis process of a target compound and has high selectivity of the target compound.A prod...
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JP6980764B2 |
Azeotropic or azeotrope-like mixtures of 1,3-dichloro-3,3-difluoroprop-1-ene (HCFO-1232zd) and hydrogen fluoride (HF). Such compositions are useful as a feed stock or intermediate in the production of 1,1,1,3,3-pentafluoropropane (HFC-24...
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JP2021185161A |
To provide a method which gives high reaction conversion, can give a perfluoroalkyne compound with high selectivity, and hardly produces a fluoroalkene compound as a byproduct, and also to provide a method for producing a perfluoroalkyne...
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JP6978700B2 |
In the presence of a catalyst and a cycloalkane compound represented by formula (3):wherein R3, R4, R5, R6, R7, R8, R9, and R10 are the same or different and each is a halogen atom, an alkyl group, or a fluoroalkyl group; an alkene compo...
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JP6979066B2 |
The invention relates to a process for reducing the concentration of a fluorinated alkyne impurity, such as 3,3,3-trifluoropropyne (TFPY), in 2,3,3,3-tetrafluoropropene (HFO-1234yf) which comprises contacting such a mixture with a causti...
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JP6973552B2 |
To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state ...
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JP6974221B2 |
The present invention is to provide a method of producing an alkene that can further enhance the yield of an alkene, a reaction product, the method including bringing a gaseous halogenated alkane into contact with an alkaline aqueous sol...
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JP6970091B2 |
The invention relates to a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (123...
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JP6970092B2 |
The present invention concerns a method for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene and at least one of the compounds chosen from the group consisting of 1,1-difl...
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JP6971226B2 |
The invention provides a reactor comprising a reaction chamber having a catalytic surface in contact with reactants in said chamber, and a source for passing electrical current through said catalytic surface. The reactor can be used for ...
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JP6971253B2 |
An apparatus for heat transfer includes a device and a mechanism for transferring heat to or from the device. The mechanism for transferring heat includes a working fluid that includes a hexafluoropropylene trimer having Structural Formu...
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JP6968765B2 |
A composition containing 1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd) and a fluorine-based oil.
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JP2021530531A |
A method for producing at least one haloolefin by dehalogenating a hydrohaloalkane. The dehalogenation process is carried out in the liquid or gas phase at a temperature sufficient to convert hydrohaloalkanes to haloolefins (haloalkenes)...
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JP6964589B2 |
The invention relates to a process for producing 2,3,3,3-tetrafluoropropene performed using a starting composition, comprising the steps of placing the starting composition in contact with HF, in the presence of a catalyst, to produce a ...
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JP6965397B2 |
The present invention relates, at least in part, to a process for making chlorotrifluoroethylene (CFO-1113) from 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a). In certain aspects, the process includes dehydrochlorinating 1,2-dichloro-1,...
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JP6959716B2 |
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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JP6963263B2 |
According to the present invention, a fluorine-containing (cyclo)alkenyl zinc halide compound can be obtained in a high yield by reacting a halogenated olefin compound represented by formula (2):wherein R1, R2, and R3 are as defined abov...
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JP2021175708A |
To provide an industrially advantageous method for producing a purified fluorine-containing unsaturated hydrocarbon in which corrosion of the inner walls of a distillation column is suppressed in the purification of fluorine-containing u...
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JP6958608B2 |
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 co...
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JP6959144B2 |
Compositions based on F-1230za (1,1,3,3-tetrachloropropene), or on a mixture consisting of F-1230za and F-1230zd (1,3,3,3-tetrachloropropene), the manufacture thereof, and also the use thereof in particular for the production of F-1233zd...
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JP2021169509A |
To provide a novel method for preparing fluorinated organic compounds.A method for producing fluorinated organic compounds comprises the step of converting at least one compound of Formula (I): C(X)mCCl(Y)nC(X)m(I) to at least one compou...
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JP2021527055A |
The process for making 2,3,3,3-tetrafluoropropene (HFO-1234yf) is in a reactor containing a heater surface with a surface temperature above about 850 ° F (454 ° C), 2-chloro. A composition containing -1,1,1,2-tetrafluoropropane (HCFC-2...
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JP2021527068A |
The present disclosure provides a method for preparing polyunsaturated hydrocarbons such as E, E-farnesol, farnesyl acetate and squalene by base-catalyzed addition of dialkylamines to 3-methylene-1-alkenes such as farnesene. do. The disc...
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JP2021152177A |
To provide compositions containing fluoroalkenes useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.A heat transfer composit...
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JP6943258B2 |
Provided is a composition, comprising (Z)-1-chloro-2,3,3-trifluoro-1-propene; (E)-1-chloro-2,3,3-trifluoro-1-propene; and water, wherein a proportion of (Z)-1-chloro-2,3,3-trifluoro-1-propene with respect to a sum total of contents of th...
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JP2021143200A |
To provide a method for efficiently obtaining HFO-1132 (E) and/or HFO-1132 (Z).A method for producing HFO-1132 (E) and/or HFO-1132 (Z), said method comprising a step in which a composition containing HFO-1132 (E) and/or HFO-1132 (Z) is f...
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JP2021143212A |
To provide an azeotrope-like composition of fluorine-based solvent, having reduced effect on ozone depletion and global warming, and suitable for a cleaner, a heat medium, a coating or the like.An azeotrope-like composition comprises 70....
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JP6939830B2 |
The present disclosure provides a method for producing HFC-143 that is not expensive, and that is more efficient than conventional methods. Specifically, the present disclosure provides a method for producing 1,1,2-trifluoroethane (HFC-1...
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JP2021138705A |
To produce a halogenated alkene compound and a halogenated alkyne compound at a high conversion rate and selectivity.Any of the following methods (1) through (4) is employed: (1) a halogenated butane compound represented by CX1X2X3CHX4CF...
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JP2021524854A |
The present invention primarily produces a method for producing a specific substituted 2-allylaniline of formula (I) as defined below, and a substituted 4-aminoindane derivative of formula (V) as defined below. Regarding their use in met...
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JP2021138632A |
To provide novel production methods by which an iodofluoroalkane and a fluoroolefin can be efficiently produced in high yield.A method for producing an iodofluoroalkane represented by the general formula (2): R1CF2CH2I (where R1 represen...
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JP6935423B2 |
The present invention provides a process of manufacture of 2,3,3,3-tetrafluoropropene by fluorination of very high purity 1,1,1,2,3-pentachloropropane (HCC-240db) into product 2,3,3,3-tetrafluoropropene (HFO-1234yf), the process comprisi...
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JP2021523884A |
The present invention is a method of purifying an olefin feed containing R-5 1234yf, R-40, R-134a, R-134, R-1225zc, and OFCB, both of the three and two components containing 1234yf. The present invention relates to a method including a s...
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JP6933239B2 |
A halogenated alkene compound and a halogenated alkyne compound are obtained at a high conversion rate and high selectivity by employing any of the following methods (1) to (4):(1) a halogenated butane compound represented by CX1X2X3CHX4...
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JPWO2020066754A1 |
Provided is a method for synthesizing and producing highly pure saturated hydrochlorofluorocarbons and saturated chlorofluorocarbons at low cost in a short time. A method for producing a compound represented by the formula (I) is provide...
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