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WO/2022/014356A1 |
The present invention provides a method for producing an anion exchange resin, which is able to produce an electrolyte membrane that has excellent mechanical characteristics (strength). When an anion exchange resin, wherein a hydrophob...
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WO/2022/014488A1 |
The present invention provides a method for producing 1233yd in a vapor phase, said method having a high conversion rate of a starting material and enabling the achievement of 1233yd with high selectivity, while suppressing the productio...
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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/2021/261189A1 |
The present disclosure provides a method for producing a purified trans-1, 2-difluoroethylene (HFO-1132(E)) and/or 1, 1, 2-trifluoroethylene (HFO-1123), said method comprising: a distillation step wherein a composition 1 that contains di...
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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/2021/241608A1 |
The present invention addresses the problem of providing a method for obtaining fluoroethylene efficiently. A method for producing HFO-1132(Z/E), wherein the production method includes a step for reacting an ethylene halide represented...
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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/2021/232232A1 |
A method for preparing amantadine, comprising the following steps: (1) under the catalysis of a Lewis acid, performing a chlorination reaction on adamantane and chlorine in a solvent, and removing the solvent and a catalyst-containing re...
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WO/2021/235536A1 |
The present invention addresses the problem of providing a method for efficiently obtaining fluoroethylene. A method for producing at least one fluoroethylene compound selected from the group consisting of HFO-1132(Z/E), HFO-1132a, and H...
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WO/2021/232854A1 |
The present invention relates to a tetrachloroethylene solid composite stabilizer and a preparation method therefor. The stabilizer comprises the following components in parts by weight: 10-30 parts of an ion exchange resin containing su...
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WO/2021/220800A1 |
As a catalyst for realizing high palladium dispersity and a stable, electron-rich palladium site, there is provided a catalyst in which particles of an intermetallic compound of palladium and zirconium are supported on zirconium carbide ...
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WO/2021/216753A1 |
Described herein are fluorinated derivatives of gabapentin and methods of synthesis and methods of use thereof, e.g., in imaging and therapy.
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WO/2021/217136A1 |
A fluoropropene composition comprising E‑1,3,3,3‑tetrafluoropropene, 1,1,3,3,3‑pentafluoropropene, and 2,3,3,3-tetrafluoropropene, wherein the total amount of 1,1,3,3,3-pentafluoropropene and 2,3,3,3-tetrafluoropropene is 1.0 wt.% ...
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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/2021/202270A1 |
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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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...
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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...
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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...
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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...
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WO/2021/181416A1 |
The present invention relates to a process for the preparation of l-bromo-2,4,5-trifluorobenzene from 2,4,5-trifhioroaniline or sulfate salt thereof. The present invention also relates to a process for the preparation of 1,2,4-trifluorob...
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WO/2021/177290A1 |
A method for producing a mono-cross-coupled aromatic compound (3-1), said method comprising: preparation of an aromatic compound (1) that has at least two leaving groups; preparation of a compound (2) that is capable of undergoing a cros...
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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.
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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...
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WO/2021/177144A1 |
Provided is a method which makes it possible to more safely produce a naphthyl silole to be used as a GNR raw material, by: producing a lanthanoid complex of a compound represented by formula (1) by reacting the compound represented by f...
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WO/2021/172305A1 |
The present disclosure provides a manufacturing method for hydrofluoroolefin (HFO) or fluoroolefin (FO), in which no high temperature or no catalyst is required in the process for synthesizing a desired compound, and in which the selecti...
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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...
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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...
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WO/2021/158837A2 |
Disclosed are compositions comprising HCFC-244bb and/or HFO-1234yf and at least one additional compound. Compositions comprising HCFC-244bb are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among ...
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WO/2021/150801A1 |
The present application relates to processes of preparing (E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene.
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WO/2021/143194A1 |
The present invention relates to a catalyst for a phosgenation reaction and a phosgenation reaction method. The catalyst for a phosgenation reaction of the present invention is a phosphinyl ionic liquid as represented by general formula ...
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WO/2021/139429A1 |
Disclosed is a method for regenerating a nitrogen-containing carbon catalyst. The nitrogen-containing carbon catalys is baked in a nitrogen-containing atmosphere to form the regenerated nitrogen-containing carbon catalyst. The method is ...
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WO/2021/130626A1 |
The process produces a fluorinated olefin from a fluorinated copolymer having at least one of sulfonic acid groups, carboxylic acid groups, or salts thereof. The process includes heating the fluorinated copolymer at a first temperature n...
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WO/2021/131143A1 |
The present invention addresses the problem of providing an alkene manufacturing method wherein loss of production speed over time is minimal, and a solvent that is easily recovered and recycled is used. An alkene manufacturing method ...
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WO/2021/132011A1 |
According to the present invention, a fluorine-containing (cyclo)alkenyl zinc halide compound is able to be obtained with a high yield by reacting a halogenated olefin compound represented by general formula (2) (wherein R1, R2 and R3 ar...
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WO/2021/132390A1 |
Provided is a method that is for producing 1-chloro-2,3,3-trifluoropropene, that can reduce the amount of propyne generated, and that provides an excellent conversion rate of 3-chloro-1,1,2,2-tetrafluoropropane as a raw material. The m...
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WO/2021/129377A1 |
A method for treating byproduct hydrogen chloride in a fluorine-containing olefin production process, comprising the following steps: (1) reacting hydrogen chloride with glycerol in fluorine-containing olefin cracking gas under the actio...
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WO/2021/126080A1 |
Disclosed herein is a salt of formula I: where R1, X, n, R, R1, Y, m, p, q, Z and o are as defined herein. Also disclosed herein are methods of using said salts in chemical synthesis, such as to prepare compounds isotopically enriched in...
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WO/2021/120522A1 |
Disclosed in the present invention is a preparation method for vitamin K1 having different cis-trans isomer proportions and an intermediate halogenated phytol thereof. The method comprises: carrying out a halogenation reaction on a raw m...
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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...
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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...
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WO/2021/114175A1 |
The present application discloses a catalyst for preparing vinyl chloride by cracking 1,2-dichloroethane, and a preparation method, use, and a regeneration method. The catalyst for preparing vinyl chloride by cracking 1,2-dichloroethane ...
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WO/2021/119078A1 |
A method of producing a fluoroolefin includes contacting a compound of formula (1), RfCX1=CHCF3, with a fluorinated ethylene compound of formula (2), CX2X3=CX4X5 in the presence of a catalyst. In the compound of formula (1), Rf is a line...
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WO/2021/110008A1 |
Provided is a composition for improving the refrigeration energy efficiency of HFO1234yf, comprising a refrigerant HFO1234yf, a refrigerated lubricating oil PVE, a solubilizer absolute ethanol, and a high-polarity metal protective agent;...
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WO/2021/103614A1 |
The present invention relates to the field of preparation methods for and uses of compounds, and relates in particular to a preparation method for and use of N-bis(dimethylamino)-1,3-dimethylimidazoline, having the chemical formula: C9H2...
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