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Matches 1 - 50 out of 5,168

Document Document Title
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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 ...  
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.  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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 (...  
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...  
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...  
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...  
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...  
WO/2021/198175A1
The present disclosure relates in its first aspect to a process of conversion of a stream comprising methane into chemicals, said process being remarkable in that it comprises the steps of providing a first stream (1, 5, 11, 15) comprisi...  
WO/2021/198166A1
The present disclosure relates in its first aspect to a process for converting a stream comprising methane into chemicals, said process is remarkable in that it comprises the steps of providing a first stream (1, 5, 11) comprising methan...  
WO/2021/198172A1
The present disclosure relates in its first aspect to a process of converting a stream comprising methane into chemicals, said process being remarkable in that it comprises the steps of providing a first stream (1, 5, 11) comprising meth...  
WO/2021/187369A1
A method for producing a (hydro)halocarbon according to one embodiment of the present invention comprises a step wherein an azeotropic or azeotrope-like composition which contains a (hydro)halocarbon and a compound that is different from...  
WO/2021/178507A1
A method of producing (Z)-1,1,1,4,4,4-hexafluoro-2-butene (Z-1336mzz) is described. The method utilizes readily available halogenated starting materials, including 1,1,1-trichloro-2,2,2-trifluoroethane (CFC-113a) and carbon tetrachloride.  
WO/2021/177260A1
Novel production methods are provided by which an iodofluoroalkane and a fluoroolefin can be efficiently produced in high yield. One of the methods is for producing an iodofluoroalkane represented by the general formula (2): R1CF2CH2I (w...  
WO/2021/167987A1
The present application is related to an improved process for synthesising 1 -(difluoromethyl)-3-iodobicyclo[1.1.1 ]pentane from difluoromethyl iodide and [1.1.1]propellane. Difluoromethyl iodide is made by reacting an iodide salt with c...  
WO/2021/165617A1
The present invention relates to a method for producing an iodofluoroalkane compound comprising the steps of: a) placing a fluoroolefin in contact with hydrogen iodide in order to form a stream A comprising said iodofluoroalkane compound...  
WO/2021/114481A1
Disclosed is a method for improving the stability of a catalyst in recycling HFC-23. The recycling is realized by means of a fluorine-chlorine exchange reaction with HFC-23 and a halogenated hydrocarbon. The catalyst for the fluorine-chl...  
WO/2021/114480A1
Disclosed is a method for reducing carbon deposits on a catalyst in the utilization of HFC-23 as a resource. Said utilization as a resource is achieved by using HFC-23 and halogenated hydrocarbons for a fluorine-chlorine exchange reactio...  
WO/2021/105412A1
The invention relates to an improved process for preparing bromochloromethane by reacting dichloromethane and dibromomethane in the presence of catalysts.  

Matches 1 - 50 out of 5,168