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WO/2024/075666A1 |
The purpose of the present invention is to provide a fluoroolefin production method, which has a high reaction conversion ratio and selectivity of a target substance, is capable of obtaining the target substance with a high yield, has a ...
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WO/2024/071127A1 |
The present disclosure provides a method for obtaining HFO-1132 (E) and/or HFO-1132 (Z) more efficiently than conventional methods. The present disclosure specifically provides a method for producing a composition that contains HFO-113...
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WO/2024/062827A1 |
A production method that reacts 1,1,2-trichloro-1,2,2-trifluoroethane with hydrogen in the gas phase in the presence of a diluent and produces chlorotrifluoroethylene and trifluoroethylene, wherein the volume of the diluent supplied to t...
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WO/2024/057657A1 |
This fluoroolefin production method involves a step of producing a fluoroolefin given by formula (2) by bringing a fluorocarbon given by formula (1) into contact with a catalyst, wherein the catalyst contains α-alumina and the average p...
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WO/2024/046801A1 |
The present invention relates to a process for producing vinyl chloride by catalytic thermal cracking of 1,2-dichloroethane, in which the heat required for the thermal cracking is supplied via a liquid or condensing heat carrier medium (...
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WO/2024/034583A1 |
The present invention provides a method for producing a halogenated alkene compound which is represented by general formula (1): R1-CR2=CR3-R4, the method comprising a step for subjecting a halogenated alkane compound which is represente...
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WO/2024/024869A1 |
To provide a method for producing chlorofluorobutane (CFB) by dimerizing trichloroethylene (TCE) to generate chlorinated butadiene and fluorinating the hydrogen atoms of this chlorinated butadiene. Trichloroethylene (TCE) is dimerized ...
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WO/2024/016438A1 |
The present invention relates to a preparation method for hexafluorobutadiene. The method comprises: 1) performing temperature raising and pressure increase reactions on chlorotrifluoroethylene, and then performing a thermal polymerizati...
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WO/2024/015371A1 |
Two methods for reducing CFC impurities and, in particular, CFC-114, in the HFO-1234ze(E) production process from the reaction of CFC-113 and HF. The first method involves subjecting an intermediate or recycle stream to separation and di...
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WO/2023/244635A1 |
Cleaning solvent compositions comprising, consisting essentially of, or consisting solely of, trans-dichloroethylene, 1-chloro-2,3,3-trifluoropropene and 1,1,2,2,3,3,4-heptafluo- rocyclopentane, and, optionally, one or both of surfactant...
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WO/2023/237854A1 |
The specification describes a process for the production of vinyl chloride monomer (VCM) from acetylene and HCl. The process involves a primary reactor and a secondary reactor each comprising a hydrochlorination catalyst. The feed from t...
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WO/2023/229963A1 |
The present invention relates methods of producing, blending, charging, replacing, and packaging fluoroolefin-containing compositions free of oxygen and oxidizing components and/or free of oligomer inhibitors and/or moisture.
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WO/2023/213893A1 |
The present invention relates to a method for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, said method comprising a step a) of reacting, in the gas phase, a composition A comprising ...
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WO/2023/210826A1 |
The purpose of the present invention is to provide such a temperature difference that the temperature of a product gas discharged from a reaction container becomes lower than the temperature in a decomposition reaction system, i.e., the ...
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WO/2023/210724A1 |
A purpose of the present invention is to provide a method for producing 1,1,1,3,5,5,5-heptafluoro-2-pentene (HFO-1447) that is highly pure, particularly with a purity of higher than 99%. Another purpose of the present invention is to pro...
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WO/2023/210729A1 |
The purpose of the present invention is to provide a novel method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene Provided is a method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene, the method including a step for rea...
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WO/2023/196193A1 |
This disclosure relates to a one-step process for making BCI. The process involves contacting a starting material comprising MCDDK with hydrogen in the presence of a catalyst mixture in a reaction zone to produce a product mixture compri...
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WO/2023/176433A1 |
Provided is a fluoroalkene storage method in which even if a stabilizer for suppressing fluoroalkene reactions is not added, fluoroalkene reactions do not occur during the storage, and the purity of the fluoroalkene is unlikely to decrea...
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WO/2023/176434A1 |
The present invention provides a method for storing a fluoroalkene, wherein a reaction of the fluoroalkene is not likely to occur during the storage and the fluoroalkene is not susceptible to decrease in the purity even if a stabilizer t...
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WO/2023/171325A1 |
Provided is a method for producing an alkene, in which the conversion rate of a raw material which is halogenated alkane is high, a decrease in production speed over time is low, and a solvent that is easy to recover and recycle is used....
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WO/2023/171274A1 |
The purpose of the present invention is to provide a method of obtaining halogenated alkenes with a high degree of selectivity from immediately after reaction initiation using an inexpensive catalyst. A halogenated alkene production meth...
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WO/2023/171273A1 |
The purpose of the present invention is to provide a method of obtaining halogenated alkenes at a high conversion rate with a high degree of selectivity using a catalyst produced by a simple method. A halogenated alkene production method...
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WO/2023/171275A1 |
The purpose of the present invention is to provide a method of obtaining halogenated alkenes with a high degree of selectivity at a high conversion rate using an inexpensive naturally occurring catalyst. A halogenated alkene production m...
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WO/2023/171326A1 |
The present invention provides a method for producing an alkene, the method achieving high conversion rate and high selectivity even in a short period of time at low temperatures. A method for producing an alkene according to the prese...
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WO/2023/165606A1 |
Disclosed in the present invention are an anti-carbon deposition catalyst, and a preparation method therefor and an application thereof. The anti-carbon deposition catalyst is composed of a carbon carrier, a metal active component, a met...
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WO/2023/164093A2 |
In an embodiment, a method of producing a fluoroolefin comprises coupling 3,3-dichloro-1,1,1,2,2-pentafluoropropane (CF3-CF2-CHCl2) in a liquid phase in the presence of a catalyst to form a composition comprising 1,1,1,2,2,5,5,6,6,6-deca...
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WO/2023/164125A2 |
A method of producing a fluoroolefin includes hydrodechlorinating a compound of formula (1), CnF2n+1CX1=CClC4-nF9-2n, where n is 1 or 2 and where X1 is H or Cl, in the presence of a first catalyst in an amount sufficient to form a compos...
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WO/2023/162998A1 |
The purpose of the present invention is to provide an iodo compound–containing liquid composition that has better photostability than conventional iodo compound–containing liquid compositions. According to the present invention, a ...
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WO/2023/146723A1 |
The present disclosure provides a method for conversion of a mixture of high- boiling fluorinated components comprising 1,1,3,3-tetrachloro-1 -fluoropropane (HCFC-241fa), 1,3, 3-trichloro-1,1 -difluoropropane (HCFC-242fa), 1,1,3-trichlor...
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WO/2023/141792A1 |
The present disclosure provides a method for conversion of a mixture of high-boiling fluorinated components comprising 1, 1, 3, 3-tetrachloro-1-fluoropropane (HCFC-241fa), 1, 3, 3-trichloro-1, 1-difluoropropane (HCFC-242fa), 1, 1, 3-tric...
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WO/2023/126619A1 |
The invention relates to a composition comprising: - at least one (hydro)halogenated olefin having the chemical formula: CX1X2=CX3X4 (I), where X1 is selected from F and Cl, and where X2, X3 and X4 are independently selected from H, F an...
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WO/2023/118051A1 |
Described herein are methods for making intermediates useful in the production of fragrance ingredients starting from myrcene. In particular, methods for making geranyl chloride, (E)-6,10-dimethylundeca-1,5,9-triene and (E)-6,10-dimethyl...
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WO/2023/118697A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/118695A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/118694A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/118698A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/112433A1 |
A method for producing a hydrogen substitution product of 1,2-dichloro-1,2-difluoroethylene, the method comprising causing 1,2-dichloro-1,2-difluoroethylene to react with hydrogen in the presence of a metal catalyst mixture containing a ...
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WO/2023/102470A1 |
The present disclosure provides high purity E-1,3,3,3-tetrafluoropropene (HFO-1234ze). More specifically, the present disclosure provides E-1,3,3,3-tetrafluoropropene (HFO-234ze) in at least 99.99% purity, containing less than 3 ppm 1,1,...
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WO/2023/058331A1 |
Provided is a method for producing hexafluoro-1,3-butadiene, the method being capable of producing hexafluoro-1,3-butadiene at high yields. The method for producing hexafluoro-1,3-butadiene comprises a reaction step of performing a dechl...
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WO/2023/058370A1 |
Provided is a production method with which it is possible to obtain (E)-1,1,1,4,4,4-hexafluoro-2-butene with high yield, even when a catalyst which contains alumina having a high sodium content is used. This (E)-1,1,1,4,4,4-hexafluoro-2-...
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WO/2023/053744A1 |
Provided is a method by which (E)-1,1,1,4,4,4-hexafluoro-2-butene can be obtained at high yields. This method for producing (E)-1,1,1,4,4,4-hexafluoro-2-butene comprises: a vaporization step for vaporizing 1,2,3,4-tetrachlorobutane; and ...
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WO/2023/048385A1 |
Disclosed is a method for producing 1,4-dibromo-2,3-dichlorohexafluorobutane (Br-CF2-CFCl-CFCl-CF2-Br), in which, through the photoreaction of 1,2-dibromo-1-chlorotrifluoroethane (Br-CF2-CFCl-Br) with a CTFE (CF2=CFCl) gas mixed with a d...
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WO/2023/047056A1 |
The present invention relates to a method for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, said method comprising the steps of: a) reacting chlorotrifluoroethylene with hydrogen in t...
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WO/2023/035876A1 |
The present invention relates to the technical field of the fluorine chemical industry, and disclosed are a preparation method for a perfluoroolefin oligomer and an application thereof. The preparation method comprises: selecting a combi...
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WO/2023/030279A1 |
Provided are a 3, 3-difluoroallylic onium salt as represented by formula (C), and a preparation method of the substance. Cheap industrial raw materials are used to prepare the important fluorine-containing reagent, which can be used as a...
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WO/2023/008248A1 |
Provided is a reactive material that contains a compound represented by general formula (1) or (2). [Compound 1] (In formula (1), R1, R2, R3, and R4 each independently represent a hydrogen atom, a hydrocarbon group having 1-4 carbon at...
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WO/2023/286753A1 |
The present disclosure addresses the problem of producing an alkene having a double bond in position 2 and having four or more carbons by means of isomerization. This method for producing an alkene having a double bond at position 2 and ...
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WO/2023/286752A1 |
The present disclosure addresses the problem of producing a hydrogenated alkene by way of hydrogen substitution. This alkene manufacturing method includes a step in which a hydrogenation reaction is conducted in the presence of an activa...
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WO/2022/258916A1 |
The present invention relates to a method for producing trifluoroethylene in a reactor equipped with a fixed catalyst bed comprising a catalyst, said method comprising the steps of: a) reacting the chlorotrifluoroethylene with hydrogen i...
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WO/2022/258915A1 |
The present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane or a mixt...
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