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WO/2017/174890A1 |
The present invention relates to a method for preparing a polyinsaturated perfluorinated compound B from a polyinsaturated perhalogenated compound D having the formula CnX2(n-m+1), in which X is independently selected from one of the hal...
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WO/2017/162962A1 |
The invention relates to a container housing a composition comprising tetrafluoropropene. The container is made from metal and includes an inner surface, said inner surface being in contact with the composition and being at least partial...
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WO/2017/149255A1 |
The invention relates to an azeotropic or quasi-azeotropic composition comprising hydrochloric acid and trifluoropropyne. The invention also relates to a method for separating 2,3,3,3-tetrafluoropropene and trifluoropropyne from a compos...
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WO/2017/146190A1 |
Provided is a method for efficiently producing purified 1224yd including 1224yd at high concentration from a mixture containing 1224yd and a compound that forms an azeotropic composition or an azeotropic-like composition together with 12...
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WO/2017/146189A1 |
In a method for obtaining 1-chloro-2,3,3,3-tetrafluoropropene(1224yd) by reducing 1,1-dichloro-2,3,3,3-tetrafluoropropene(1214ya), provided is a method for efficiently manufacturing 1224yd, wherein generation of by-products such as 2,3,3...
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WO/2017/135443A1 |
The invention provides a method for producing tetrafluoropropene represented by general formula (1) by reacting monochlorotrifluoropropene represented by general formula (2) and anhydrous hydrogen fluoride in the presence of a catalyst, ...
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WO/2017/129878A1 |
The invention relates to a method for producing 2-chloro-3,3,3-trifluoropropène (HCFO-1233xf) from at least one compound A selected from the group consisting of halopropane of formulae CX3CHCICH2X or CX3CFCICH3, or halopropenes of formu...
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WO/2017/122703A1 |
The present invention provides a method for efficiently producing 1-chloro-3, 3, 3-trifluoropropene from an intermediate product having a low reactivity. Specifically provided is a method for producing trans-1-chloro-3, 3, 3-trifluoropro...
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WO/2017/119273A1 |
Provided is a production method by which 2, 3, 3, 3-tetrafluoropropene is stably produced for a long time, while suppressing deactivation of a catalyst. A method for producing 2, 3, 3, 3-tetrafluoropropene, which comprises (d) a step d f...
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WO/2017/119371A1 |
[Problem] To provide: a novel fluorinated compound that does not contain a long-chain perfluoroalkyl unit having 8 or more carbon atoms, which is a unit having an environmental problem, and has excellent water repellency and oil repellen...
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WO/2017/108522A1 |
The present invention concerns a method 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 steps of: (a)...
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WO/2017/108519A1 |
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 (12...
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WO/2017/108520A1 |
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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WO/2017/108518A1 |
The invention concerns a method for purifying 2-chloro-3,3,3-trifluoropropene (1233xf) from a first composition comprising 2-chloro-3,3,3-trifluoropropene and at least one of the compounds chosen from the group consisting of E-1-chloro-3...
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WO/2017/108524A1 |
The invention relates to a method for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 1,1,1,2,2-pentafluoropropane (245cb) and trans-1,3,3,3-tetrafluoro-1-propene (1234...
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WO/2017/108517A1 |
The invention relates to a method for purifying 1,1,1,2,2-pentafluoropropane (245cb) using a first composition comprising 1,1,1,2,2-pentafluoropropane and at least one of the compounds selected from the group consisting of 1,1-difluoroet...
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WO/2017/108523A1 |
The invention refers to a method for producing 2,3,3,3-tetrafluoropropene implemented from a starting composition, comprising the steps of bringing the starting composition into contact with HF, in the presence of a catalyst, in order to...
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WO/2017/110851A1 |
Provided is an economically favorable production method in which 1-chloro-2,3,3,3-tetrafluoropropene can be efficiently obtained by using 1,2-dichloro-2,3,3,3-tetrafluoropropane as a raw material. This method for producing 1-chloro-2,3,3...
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WO/2017/104829A1 |
Provided is a method for producing a HFO with which a diluent gas is easily separated even at a low boiling point and which has excellent productivity. This method for producing a HFO has a reaction step, in which in the presence of a ga...
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WO/2017/104589A1 |
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 tha...
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WO/2017/104828A1 |
Provided is a method for producing a hydrofluoroolefin (HFO) with which a diluent gas is easily separated even at a low boiling point and which has excellent productivity. This method for producing a HFO has a reaction step, in which in ...
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WO/2017/102706A1 |
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular alkyl iodide and vinyl iodide impurities, are provided. Processes for produ...
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WO/2017/102701A1 |
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular a vinyl iodide impurity, are provided. Processes for producing ethylene oxi...
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WO/2017/105959A1 |
The present invention aims to solve the above mentioned problems by providing a new azeotrope-like composition that can be used for a wide range of industrial purposes. The provision of an azeotrope-like composition including 93.0 - 99.0...
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WO/2017/055331A1 |
The present invention relates to a composition comprising trifluoroethylene and 1,2,3,3,3-pentafluoropropene characterized that the weight ratio trifluoroethylene / 1,2,3,3,3-pentafluoropropene is from 5/95 to 95/5.
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WO/2017/050686A1 |
The invention concerns a method for purifying and drying a hydrofluoroolefin stream comprising a hydrofluoroolefin, water and impurities composed of halogenated carbon compounds, characterised in that said stream is brought into contact ...
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WO/2017/053159A1 |
The present disclosure relates to catalyzed gas-phase dehydrochlorination of a pentachloropropane to form a tetrachloropropene with high selectivity and purity.
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WO/2017/047591A1 |
A composition containing one or more types of basic compounds, selected from the group consisting of tertiary amines, nitrogen-containing heterocyclic aromatic compounds, alkali metal carbonates, alkaline earth metal carbonates, and alka...
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WO/2017/049026A1 |
The present disclosure relates to a process for preparing 2-chloro-3,3,3-trifluorpropene comprising: (a) hydrogenating 1,2-dichloro-3,3,3-trifluoropropene in the presence of a hydrogenation catalyst to form 1,1,1-trifluoro-2,3-dichloropr...
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WO/2017/044724A1 |
The present specification relates to a dehydrohalogenation process comprising contacting a halofluoroalkane of formula RCXYCZQT with a caustic agent optionally in the presence of an amine in an aqueous solvent in the absence of a catalys...
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WO/2017/044719A1 |
The disclosure relates to a method for fluorinating an alkane substrate comprising contacting said alkane substrate with a fluoroalkane in the presence of a fluorination catalyst selected from chrome oxide, fluorinated chrome oxide, alum...
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WO/2017/033813A1 |
A method for producing an alkenyl halide represented by general formula (3) (wherein R represents a hydrogen atom or a methyl group; W represents a bivalent saturated hydrocarbon group having 2 to 10 carbon atoms; and X represents a chlo...
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WO/2017/029868A1 |
A method according to the present disclosure is a method for separating an unsaturated hydrocarbon that has 2 to 3 carbon atoms from a halogenated unsaturated carbon compound that is produced by substituting at least one of hydrogen atom...
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WO/2017/031046A1 |
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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WO/2017/028442A1 |
Disclosed is a method for preparing 2,3,3,3-tetrafluoropropene using methyl magnesium chloride, comprising the following steps: 1) preparing 1,1,2-trifluoropropene (CH3CF＝CF2); 2) preparing 1,1,1,2,2-pentafluoropropane (CF3CF2CH3); 3) ...
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WO/2017/028826A2 |
A process for producing a reaction mixture comprising a plurality of C3 chlorinated alkane isomers comprising chlorinating a C3 chlorinated alkane starting material in a chlorination zone to produce the plurality of C3 chlorinated alkane...
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WO/2017/025272A1 |
In a novel process for methanol production from low quality synthesis gas, in which relatively smaller adiabatic reactors can be operated more efficiently, some of the inherent disadvantages of adiabatic reactors for methanol production ...
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WO/2017/027323A1 |
A process is disclosed for (i) producing E-1,1,1,4,4,4-hexafluoro-2-butene (E-HFO-1336mzz) from Z-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzz), comprising the steps of (a) providing a starting material comprising Z-1,1,1,4,4,4-hexaflu...
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WO/2017/018412A1 |
Provided is a method for producing 1-chloro-2,3,3-trifluoropropene efficiently using an easily available raw material by an industrially practical process. A method for producing 1-chloro-2,3,3-trifluoropropene, characterized by carrying...
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WO/2017/015779A1 |
Disclosed is a production method for 2,3,3,3-tetrafluoropropene, comprising: introducing hexafluoropropene and hydrogen gas into a reactor I to react same under the action of a catalyst so as to obtain a mixture containing 1,1,1,2,3-pent...
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WO/2017/013403A1 |
The present invention provides a process for preparing 1,1,1,2,2-pentafluoropropane (245cb), the process comprising gas phase catalytic dehydrochlorination of a composition comprising 1,1,1-trifluoro-2,3-dichloropropane (243db) to produc...
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WO/2017/013404A1 |
The present invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising: (a)fluorinating CCI3CH2CH2CI (250fb) to produce a reaction product comprising CF3CH2CH2CI (253fb) in the liquid phase in a fi...
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WO/2017/013405A1 |
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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WO/2017/013406A1 |
The present invention provides an integrated process for preparing 2,3,3, 3-tetrafluoropropene (1234yf), the process comprising: (a) vapour phase catalytic fluonnation of a first composition comprising 3,3,3-trifluoro-2-chloro- prop-1-en...
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WO/2017/002925A1 |
[Problem] To provide an efficient and industrially advantageous method for producing, through isomerization of an E-isomer of HCFO-1224yd or HCFO-1223xd, a Z-isomer thereof. [Solution] A HCFO production method for producing a HCFO (Z-iso...
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WO/2016/202894A1 |
The present invention relates to a method of converting an alcohol into a corresponding halide. This method comprises reacting the alcohol with an optionally substituted aromatic carboxylic acid halide in presence of an N-substituted for...
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WO/2016/197280A1 |
Disclosed is a method for the co-production of 2,3,3,3-tetrafluoropropylene and 1,3,3,3-tetrafluoropropylene. Raw materials of hexafluoropropylene and hydrogen are preheated and then enter a first reactor which is divided into three sect...
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WO/2016/201222A1 |
Membranes having a permselective active layer of a copolymerized perfluorinated monomer and an non-fluorinated alkylvinylester monomer demonstrate superior selective permeability performance for separating gas mixtures compared to membra...
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WO/2016/194617A1 |
Provided is an efficient method for producing fluorine-containing compounds that does not require extractive distillation or a rectification column having a high plate number. A method for producing fluorine-containing compounds includin...
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WO/2016/194616A1 |
Provided is a method for producing a fluorine-containing olefin that makes it possible to obtain a desired product at a high conversion rate and with a high rate of selectivity in a process for producing a fluorine-containing olefin by d...
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