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WO/2022/249852A1 |
Provided is a method for producing 1,2,3,4-tetrachloro-1-fluorobutane, which serves as a starting material that enables the production by a stable reaction of 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutane. The method for producing 1,2...
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WO/2022/244481A1 |
Provided is a method for producing bromofluoromethane, the method making it possible to selectively synthesize tribromofluoromethane and/or dibromodifluoromethane. This method for producing bromofluoromethane has a fluorination step for ...
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WO/2022/230929A1 |
The present invention relates to a method for decomposing polyfluorocarboxylic acids, the method being characterized in that a mixture including polyfluorocarboxylic acids, water, and a basic compound is heated.
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WO/2022/229377A1 |
The present invention relates to new amphiphilic perfluorinated compounds and their use as a detergent for extracting membrane-proteins or synthesizing membrane-proteins in acellular system. It also relates to a method for extracting a m...
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WO/2022/225830A1 |
A composition is disclosed that comprises 3,3,3-trifluoropropene (1243zf), 1,1,1-trifluoropropane (263fb), vinyl chloride monomer (CH2=CHCl), and at least one of 1,1,1-trifluoroethane (143a), dichlorodifluoromethane (12), 1-chloro-1-fluo...
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WO/2022/218204A1 |
Disclosed in the present invention is a method for preparing 2,3,3,3-tetrafluoropropene. The method comprises a method for preparing 2,3,3,3-tetrafluoropropene by means of a two-step method, a method for co-producing 2,3,3,3-tetrafluorop...
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WO/2022/218721A1 |
The invention relates to a process for the preparation of a dimethyl-C17-32-alkyl sulfonium salt, preferably a dimethyl-C17-32-alkyl sulfonium halide, more preferably a dimethyl-C17-32-alkyl sulfonium chloride, still more preferably dime...
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WO/2022/215570A1 |
This hydrochlorofluoroolefin-based novel composition contains Z-1-chloro-3,3,3-trifluoropropene, 1-chloro-1,3,3,3-tetrafluoropropane, and water. In this composition, the proportion of Z-1-chloro-3,3,3-trifluoropropene is 55.00-99.98 mass...
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WO/2022/191185A1 |
The present invention addresses the problem of providing an efficient method for preparing HFC-143 or HFO-1132. As a solution, provided is a method comprising a step for performing a reduction reaction 1,1,2-trifluoroethylene with a redu...
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WO/2022/187489A1 |
Methods for purification of a fluorocarbon or hydrofluorocarbon containing at least one undesired halocarbon impurities comprise flowing the fluorocarbon or hydrofluorocarbon through at least one adsorbent beds to selectively adsorb the ...
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WO/2022/186264A1 |
The purpose of the present invention is to provide: a method for producing a fluorine-containing compound, the method using a readily available compound to produce a fluorine-containing compound under relatively mild reaction conditions;...
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WO/2022/165623A1 |
Disclosed is a method for preparing 1,1,1,3-tetrachloropropane, comprising: reacting the raw materials containing carbon tetrachloride and ethylene in the presence of a first catalyst and a second catalyst to obtain the 1,1,1,3-tetrachlo...
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WO/2022/160762A1 |
Provided are a new industrial process for manufacturing of perfluoropentane (PFP) and the manufacture of a novel intermediate compound thereof, as well as a novel intermediate compound itself and the use thereof in the process for manufa...
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WO/2022/163746A1 |
A method for producing a hydrofluorocarbon (HFC) is provided, the method being excellent in terms of the conversion of a chlorofluorocarbon and reduced in the formation of by-products. This method for producing an HFC comprises reactin...
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WO/2022/163745A1 |
Provided is an efficient method for producing 244ca at high purity. This method for producing 3-chloro-1,1,2,2-tetrafluoropropane involves reacting 1,1,2,2-tetrafluoropropane with chlorine to obtain 3-chloro-1,1,2,2-tetrafluoropropane.
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WO/2022/146697A1 |
Disclosed are methods for forming a high aspect ratio (HAR) structure during a HAR etch process in a substrate in a reaction chamber, the method comprising: sequentially or simultaneously exposing the substrate to a vapor of an etchant i...
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WO/2022/138176A1 |
A hydrohaloolefin composition comprising: a hydrohaloolefin as a main component; and 1,1,2,3-tetrafluorobutane, wherein the contained amount of the 1,1,2,3-tetrafluorobutane is 0.001-0.1 mass% with respect to the total mass of organic co...
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WO/2022/138162A1 |
The purpose of the present invention is to provide a device and method that are for enrichment of stable isotopes, that enable reduction in the emission amount of toxic and flammable substances, or substances having an environmental impa...
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WO/2022/131349A1 |
The present disclosure provides a method for producing a reaction gas containing 1,1,2-trifluoroethane (R-143) and/or (E, Z)-1,2-difluoroethylene (R-1132 (E, Z)) by using a starting material that is more easily available than the startin...
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WO/2022/131378A1 |
A novel method for producing a fluorinated organic compound is provided. The method for producing a fluorinated organic compound comprises a step in which a compound represented by formula (1) (wherein R1 and R2 are each independently a ...
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WO/2022/126111A1 |
The present disclosure relates to a method for producing trifluoroiodomethane (CF3I) from iodine (l2) and trifluoroacetic anhydride (TFAA) under photochemical conditions using ultraviolet (UV) light.
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WO/2022/118757A1 |
Provided is a method that can efficiently produce a fluoroalkane compound (A) in which both of the carbon atoms at a position 2 and a position 3 are each bonded to one hydrogen atom and one fluorine atom. The production method is provide...
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WO/2022/115151A1 |
A process for treating a heavy byproduct stream from an initial chlorinated propane forming reaction in order to increase the final output of chlorinated propene and remove metal catalyst. In particular, the process disclosed herein prov...
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WO/2022/111685A1 |
Provided by the present invention are a system, method, and reaction apparatus used for a continuous reaction process for the preparation of trifluoroethane; The reaction apparatus comprises: using a combination of a submersible pump and...
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WO/2022/105230A1 |
Disclosed is a method for co-producing 1,1-difluoroethane and vinyl chloride, comprising: (a) vaporizing dichloroethane and hydrogen fluoride, and then entering a reactor to perform a catalytic reaction under the action of a catalyst to ...
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WO/2022/097134A1 |
A multi cascade heating system that comprises a plurality of heat-pump circuits successionally connected. The heat pump circuits are connected to one another by a common heat exchanger. Each of the heat pump circuits comprises a condense...
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WO/2022/082181A1 |
The present disclosure provides a composition including trifluoroacetyl iodide, at least one organic impurity and at least one inorganic impurity. The at least one organic impurity includes at least one of: difluoroiodomethane, pentafluo...
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WO/2022/082182A1 |
A method of producing trifluoroiodomethane (CF3l) includes providing a feedstock comprising trifluoroacetyl iodide (TFAI), passing the feedstock through at least one column charged with carbonaceous materials to remove hydrogen iodide (H...
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WO/2022/075391A1 |
The purpose of the present disclosure is to provide: a composition in which the polymerization of refrigerant is suppressed; a preservation method; and a polymerization-suppressing method. This composition containing (1) a refrigerant ...
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WO/2022/054609A1 |
Provided is a method for producing hydrochlorofluorocarbon with high yield and high purity while reducing the production amount of by-products. The method for producing hydrochlorofluorocarbon comprises reacting a fluorinated alcohol w...
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WO/2022/056129A1 |
A processes for preparing 1,1,2,3-tetrachloropropene, 2,3,3,3-tetrachloropropene, or a mixture thereof from 1,3-dichloropropene. The process may include a two successive chlorination and dehydrochlorination reactions. In a first chlorina...
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WO/2022/056543A1 |
Heterogeneous azeotrope or azeotrope-like compositions comprising trifluoroiodomethane (CF3l) and water which may include from about 47.7 wt.% to about 99.0 wt.% trifluoroiodomethane (CF3l) and from about 1.0 wt.% to about 52.3 wt.% wate...
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WO/2022/056544A1 |
Impurities such as sulfur dioxide (SO2) are removed from trifluoroacetyl chloride (TFAC) through distillation, adsorption, or a combination thereof, and/or including the formation of an azeotrope or azeotrope-like composition including e...
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WO/2022/044613A1 |
The present invention provides a halon purification method capable of obtaining high-purity halon by easily, safely and efficiently removing mixed bromine molecules. The halon purification method is a method for removing bromine molecule...
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WO/2022/042128A1 |
A method for coproducing hydrofluorocarbons, the method involving preheating a mixture of a chlorinated alkene and hydrogen fluoride and then introducing the mixture into the top of a reactor, while also introducing 1,1,1,2,3,3-hexafluor...
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WO/2022/044814A1 |
The purpose of the present invention is to provide a carbon stable isotope enrichment method with which it is possible to enrich 13C to a high concentration without performing isotope scrambling and without requiring safety measures agai...
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WO/2022/028236A1 |
Disclosed is a method for synthesizing difluoromethane by means of gas-phase catalysis. The method comprises: (a) introducing difluoromethane and hydrogen fluoride into a first reactor under the action of a catalyst for a catalytic react...
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WO/2022/030515A1 |
Provided are: an alumina support which is used in a catalyst for gas phase reactions, makes catalytic reactions highly active, and reduces the yield of by-products; and a gas phase reaction catalyst having a metal compound supported on t...
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WO/2022/009985A1 |
Provided is a method for preventing the decomposition of HCC-140, HCO-1130, and the like, which are source materials, and manufacturing HCFC-142, which is a target product, efficiently and with a high yield. This method for manufacturi...
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WO/2022/002412A1 |
The invention relates to a process of removing by-products from a vinyl chloride comprising process stream from a 1,2-dichloroethane thermal cracking process. The invention also relates to the use of a specific heterogeneous iron- alumin...
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WO/2021/254372A1 |
Disclosed is a method for preparing hexafluoro-1,3-butadiene and an intermediate thereof. The method for preparing hexafluoro-1,3-butadiene comprises: A1, reacting 1,2-dibromo-1-chloro-1,2,2-trifluoroethane with a trifluorohaloethylene i...
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WO/2021/247855A1 |
A process for producing acetic acid is provided that is capable of lowering acetaldehyde mass composition in acetic acid. The process for producing acetic acid according to the present invention comprises at least one distillation step t...
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WO/2021/247853A1 |
This process relates to controlling acetal formation when removing acetaldehyde from a methanol carbonylation process using an extractive distillation column. Acetals may be formed by a secondary reaction of acetaldehyde and an alcohol (...
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WO/2021/241372A1 |
A production method is provided by which monofluoromethane can be produced in a gas-phase flow-through system without using any catalyst. This method for producing monofluoromethane comprises: performing electrical discharge while causin...
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WO/2021/241371A1 |
Provided is a production method capable of producing monofluoromethane by gas-phase flow without using a catalyst. The present invention is a method for producing monofluoromethane, the method comprising carrying out an electrical discha...
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WO/2021/207194A1 |
The present disclosure provides a process for making trifluoroacetyl iodide (TFAI) in a liquid phase reaction. Specifically, the present disclosure provides a liquid phase reaction of trifluoroacetyl chloride (TFAC) and hydrogen iodide (...
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WO/2021/119397A9 |
The present invention relates to metal salts of 2-[3-[(3R)-3-[[2-chloro-3-(trifluoromethyl)phenyl]methyl-(2,
2-diphenylethyl)amino]butoxy]phenyl]acetic acid which exhibit improved physical properties and stability. The invention also rel...
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WO/2021/202270A1 |
Continuous acetic acid production with a process to remove and/or reduce permanganate reducing compounds (PRCs), including acetaldehyde. The process involves obtaining a stream comprising the PRCs and removing water from the stream throu...
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WO/2021/198479A1 |
The disclosure concerns a process for the conversion of methane into olefins, comprising the steps of (a) providing a first stream (3) containing CH4, HCl and O2; (b) providing a first and second catalyst composition; (c) putting in cont...
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WO/2021/198168A1 |
The disclosure relates in its first aspect to a process of conversion of a gaseous stream comprising methane into hydrogen (51) and carbon (25), the process is remarkable in that it comprises a step (a) of providing a first gaseous strea...
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