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Matches 1 - 50 out of 15,503

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/2018/009459A1
A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon...  
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/2017/216653A1
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...  
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,...  
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...  
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/2017/199120A1
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....  
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...  
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...  
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/2017/181566A1
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...  
WO/2017/181012A1
Provided herein are cinchonium betaine catalysts and methods of promoting asymmetric imine isomerization reactions using the same.  
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/2017/177763A1
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...  
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 ...  
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/2017/173975A1
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...  
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...  
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...  
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...  
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...  
WO/2017/163262A4
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...  
WO/2017/156306A1
Processes for stabilizing chloropropenes by removing oxygen and/or water and adding substituted phenols as stabilizers.  
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...  
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 (...  
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/2017/122222A1
The present invention relates to a process for preparation of olefins containing fluorine.  
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/2017/120264A1
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...  
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/2017/108522A1
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/2017/106340A1
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...  
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...  

Matches 1 - 50 out of 15,503