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Matches 1 - 50 out of 4,517

Document Document Title
WO/2018/012511A1
The present invention provides a method for producing a 1-chloro-1,2-difluoroethylene at low cost and with high efficiency. More specifically, the present invention provides a method for producing a 1-chloro-1,2-difluoroethylene, said me...  
WO/2018/000307A1
Provided is a method for synthesizing 1,1,2,3-tetrachloropropene with a low reaction energy consumption, a relatively high synthetic yield and a relatively low raw material cost. The method comprises the following steps: adding a catalys...  
WO/2017/223338A1
A process for the production of a chloroalkene that includes contacting a liquid phase chloroalkane with a solid catalyst, a catalyst deposited on a solid substrate, or combinations thereof, thereby causing the dehydrochlorination of the...  
WO/2017/216272A1
A method for providing polyvinyl chloride (PVC) comprises the following steps: a) providing electricity and an alkali metal chloride solution, preferably Li, K and/or Na, in a chlor-alkali electrolysis cell (17) and obtaining Cl2 and an ...  
WO/2017/198946A1
The present invention concerns a method for preparing tetrafluoropropene utilising three reactors each comprising a catalytic bed containing a catalyst or a preliminary catalyst, and comprising the implementation, separately in each of t...  
WO/2017/198947A1
The present invention concerns a method for preparing tetrafluoropropene utilising three reactors and comprising the steps of (a) implementing, in the first and second reactors, at least one step of reacting, in the gas phase, a compound...  
WO/2017/187859A1
The present invention is a compound represented by formula (1), a liquid crystal composition containing the compound, and a liquid crystal display element including the composition. In the formula: R is a C1-15 alkyl or the like; ring A1...  
WO/2017/183501A1
A method for producing 1,2-dichloro-3,3,3-trifluoropropene (1223xd) according to the present invention is characterized by comprising the step of reacting 1,1,2,3,3-pentachloropropene (1220xa) with a fluorinating agent, wherein hydrogen ...  
WO/2017/183702A1
The present invention addresses the problem of providing a method for producing HCFC and/or HFC by carrying out a fluorination reaction of a halogenated hydrocarbon with anhydrous hydrogen fluoride in the presence of a catalyst, said met...  
WO/2017/178857A1
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 compris...  
WO/2017/174889A1
The present invention relates to a method for preparing hexafluorobutadiene comprising the following steps: (a) hydrodechlorinating hexachlorobutadiene to form a first stream comprising 1,2,3,4-tetrachlorobutadiene and optionally unreact...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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...  
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...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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.  
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 ...  
WO/2017/053159A1
The present disclosure relates to catalyzed gas-phase dehydrochlorination of a pentachloropropane to form a tetrachloropropene with high selectivity and purity.  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2017/028826A3
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...  
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...  
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) ...  
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...  
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 ...  
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...  

Matches 1 - 50 out of 4,517