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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...
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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 ...
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WO/2017/216653A1 |
Catalysts and uses thereof in the oxyhalogenation of methane reaction are described. The cerium-lanthanum oxide catalyst has a formula of CeaLabOx where 0 < a ≤ 100, 0.5 < b ≤ 50, and x is determined by valence requirements of the ce...
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WO/2017/207109A2 |
The invention relates to a method (100) for producing ethanol, wherein the synthesis gas is subjected to an ethanol direct synthesis in which some of the components of the synthesis gas are reacted to ethanol. According to the invention,...
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WO/2017/202277A1 |
Provided is a method for preparing 2-hydroxyl-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1), preparing 2-substitution-3-aryl toluene deriv...
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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...
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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...
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WO/2017/199120A1 |
Methods for removal of organic impurities from an aqueous acid stream obtained from an oxychlorination of methane reaction are described. A method includes heating an aqueous acid stream obtained from a quenching unit at a pressure of 1....
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WO/2017/192564A1 |
Disclosed is a fluorination method comprising providing an aryl fluorosuifonate and a fluorinating reagent to a reaction mixture; and reacting the aryl fluorosuifonate and the fluorinating reagent to provide a fluorinated aryl species. A...
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WO/2017/181517A1 |
The present invention relates to a manufacturing method of 1,2-dichlorohexafluorocyclopentene. The manufacturing method of 1,2-dichlorohexafluorocyclopentene comprises the following reaction steps: (1) using cyclopentadiene as a starting...
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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 ...
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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...
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WO/2017/181566A1 |
Disclosed is a manufacturing method of 1,2-dichlorohexafluorocyclopentene. The first reaction uses dicyclopendatiene as a starting material and nitrogen gas or another inert gas as a diluting agent in a gas-phase thermal cracking reactio...
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WO/2017/181012A1 |
Provided herein are cinchonium betaine catalysts and methods of promoting asymmetric imine isomerization reactions using the same.
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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...
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WO/2017/177763A1 |
A system and method for separating N-Methyl-2-pyrrolidone (NMP)/chloroform. By combining a falling film evaporator, a forced circulation evaporator, and a fractionating column with a corresponding technological operation method, the syst...
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WO/2017/177988A1 |
A process for producing a chlorinated alkane in which an alkene or an alkane feedstock is contacted with chlorine in a chlorination zone to produce a reaction mixture containing the chlorinated alkane, wherein the chlorine supplied into ...
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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...
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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/2017/173975A1 |
Disclosed in the present application is a process for the preparation of a compound III containing a non-terminal carbon-carbon double bond, characterized in that, a compound I containing a carbon-carbon double bond, in the presence of a...
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WO/2017/169809A1 |
The present invention relates to a filter which is capable of suppressing decomposition of a fluorinated saturated hydrocarbon when a composition that contains the fluorinated saturated hydrocarbon at a high concentration is filtered eve...
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WO/2017/167756A1 |
The invention pertains to a method of making an aromatic compound comprising a fluorine-containing group, the method comprising the following steps: Step (1): providing an aromatic compound comprising at least one aromatic ring comprisin...
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WO/2017/171544A1 |
The invention is directed to a method for the preparation of an acyl or alkyl halide, comprising, respectively, reacting a carboxylic acid or an alcohol with a halogenation agent in the presence of a base, wherein the reaction is at leas...
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WO/2017/163262A1 |
The present invention disclosed an improved one pot, one step process for halogenation of compound of formula (II) to afford corresponding halogenated compound of formula (I) having improved yield and increased selectivity under very mil...
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WO/2017/156306A1 |
Processes for stabilizing chloropropenes by removing oxygen and/or water and adding substituted phenols as stabilizers.
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WO/2017/155356A1 |
The present application relates to a method for preparing an alkyl halide using a hydrazine derivative under solvent-free conditions. The present invention can simplify a preparation process, has an economic benefit because an additional...
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WO/2017/154948A1 |
The present invention addresses the problem of providing a novel method for producing a compound having a fluoromethylene group with high efficiency. The problem can be solved by a method for producing a compound represented by formula (...
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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/2017/122222A1 |
The present invention relates to a process for preparation of olefins containing fluorine.
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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/2017/120264A1 |
The present invention provides improved processes for preparing halogenated alkanes. In particular, the processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlo...
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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/2017/108522A1 |
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/2017/106340A1 |
Methods of C-H bond fluorination using non-heme manganese catalyst are described herein. For example, a method comprises providing a reaction mixture including a non-heme manganese catalyst, a substrate comprising an sp3 C-H bond and a f...
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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/2017/103378A1 |
The present invention relates to a method for fluorinating a chlorinated compound including the steps of (a) placing said chlorinated compound in contact with gaseous hydrogen fluoride within a reactor and in the presence of a fluorinati...
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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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