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Matches 201 - 250 out of 12,197

Document Document Title
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/2021/241608A1
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...  
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/2021/232232A1
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...  
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...  
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...  
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 ...  
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.  
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.% ...  
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/2021/202270A1
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/2021/181416A1
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...  
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...  
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/2021/177144A1
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...  
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...  
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/2021/158837A2
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 ...  
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.  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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/2021/114175A1
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 ...  
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...  
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;...  
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...  
WO/2021/106813A1
According to the present invention, an alkane compound represented by R1CHX1CHX2R2 (wherein X1 and X2 may be the same or different, and each represents a halogen atom; and R1 and R2 may be the same or different, and each represents an al...  
WO/2021/105412A1
The invention relates to an improved process for preparing bromochloromethane by reacting dichloromethane and dibromomethane in the presence of catalysts.  
WO/2021/104437A1
Provided are a nitrogen-phosphorus-modified granular carbon-supported bimetallic catalyst, a preparation method therefor and the use thereof. The catalyst comprises a nitrogen-phosphorus-modified carbon carrier and metal particles suppor...  
WO/2021/107046A1
The purpose of the present disclosure is to provide a method for dehydrating a composition containing a fluorine-based hydrocarbon compound such as HFC-134a. This dehydration method includes a step for bringing a composition containing...  
WO/2021/093029A1
A novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf) is provided. The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, a proce...  
WO/2021/090072A1
Heterogenous azeotrope or azeotrope-like compositions comprising 2-chloro-3,3,3- trifluoropropene (HFCO-1233xf) and water which may include from about 0.09 wt.% to about 92.69 wt.% 2-chloro-3,3,3-trifluoropropene (HFCO-1233xf) and from a...  
WO/2021/090071A1
Heterogenous azeotrope or azeotrope-like compositions comprising 2-chloro- 1,1,1,2-tetrafluoropropane (HCFC-244bb) and water which may include from about 0.05 wt.% to about 92.01 wt.% 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and ...  

Matches 201 - 250 out of 12,197