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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/2022/121398A1 |
Disclosed in the present invention are two hydrodechlorination catalysts and an application thereof in preparation of chlorotrifluoroethylene. The hydrodechlorination catalyst comprises a carrier, an active component, and an auxiliary ag...
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WO/2022/124273A1 |
According to the present invention, a fullerene derivative having a partial structure represented by general formula (1) is used. (In general formula (1), C*'s are carbon atoms which form a fullerene skeleton and are adjacent to each oth...
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WO/2022/116005A1 |
A titanium dioxide sterilization and disinfection film, which is used for a screen. Since the screen is provided with a light source and is self-luminous, light emitted by the screen can be used by titanium dioxide for a photocatalytic r...
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WO/2022/116618A1 |
Disclosed are three types of hydrodechlorination catalysts having core-shell structures, preparation methods therefor and applications thereof in continuous preparation of trifluorochloroethylene. The hydrodechlorination catalysts compri...
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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/2022/115634A1 |
A method of manufacturing fluoropolymer micropowders with low perfluoroalkyl species (PFAS) content, such as perfluorooctanoic acid (PFOA). The method includes thermally treating, at a temperature from 125oC to 300oC in a substantially o...
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WO/2022/112711A1 |
The present invention relates to a method for treating a solid catalyst in a reactor containing a catalyst bed, said method comprising the steps: a) carrying out, in said reactor, a catalytic gas-phase reaction at a temperature of the ca...
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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/2022/099439A1 |
A preparation method for 2,4,5-trifluorophenylacetic acid, comprising: step one, reacting raw materials, a quaternary ammonium salt catalyst, sulfolane and potassium fluoride to obtain a first intermediate; step two, subjecting the first...
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WO/2022/098584A1 |
A method of purifying radiochemical species (e.g., radiopharmaceuticals) using thin layer chromatography (TLC) plates includes loading one or more TLC plates with a sample containing the radiochemical species to be purified. The one or m...
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WO/2022/096803A1 |
The present invention relates to a process for producing trifluoroethylene in a reactor provided with a catalytic bed comprising a catalyst, said process comprising: (i) a step of activating said catalyst, comprising bringing the catalys...
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WO/2022/096804A1 |
The present invention relates to a process for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, said method comprising a step (a) wherein chlorotrifluoroethylene is reacted with hydrogen...
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WO/2022/092110A1 |
The purpose of the present invention is to obtain high-purity α,α'-dichloroxylene by inhibiting the formation of impurities, such as nucleus-chlorinated compounds and chlorinated compounds formed by further chlorinating the side chains...
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WO/2022/092260A1 |
The present invention addresses the problem of providing a cross-coupling reaction method that can use a wide variety of compounds as starting materials, that can substantially not use organic solvent, and that can rapidly provide reacti...
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WO/2022/088401A1 |
A method for preparing 1,1-difluoroethylene, comprising the following steps: i) preparing an inorganic alkali alcohol saturated solution; and ii) placing the inorganic alkali alcohol saturated solution and a fluorinated rare earth cataly...
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WO/2022/083017A1 |
A method for preparing 1-chloro-2,3,3-trifluoropropene, relating to the technical field of 1-chloro-2,3,3-trifluoropropene preparation. As a new environmentally-friendly compound for forming a medium for heat transfer, 1-chloro-2,3,3-tri...
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WO/2022/083018A1 |
A method for inhibiting the flash point of trans-1,2-dichloroethylene and the use thereof. The trans-1,2-dichloroethylene has a good cleaning effect and an excellent environmental friendliness, but cannot full play to its role due to the...
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WO/2022/084562A1 |
The present invention relates to a method for accelerating a chemical transformation of a substrate, particularly C-H arylation and C-H alkylation. Furthermore, the invention relates to the compounds that are used in the method, namely a...
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WO/2022/080273A1 |
Provided is a gas-filled container which is filled with (E)-1,1,1,4,4,4-hexafluoro-2-butene and in which the purity thereof is unlikely to decrease for a long period of time. The gas-filled container is obtained by filling a container wi...
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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/2022/080270A1 |
A fluorobutene storage method is provided in which fluorobutene is less likely to decompose during storage. Fluorobutene, which is represented in general formula C4HxFy, with x in the general formula being 0-7, y being 0-8 and x + y bein...
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WO/2022/080269A1 |
Provided is a method for storing a fluorobutene in which polymerization during storage is unlikely to progress. According to the present invention, a fluorobutene is represented by general formula C4HxFy in which x represents 0-7, y repr...
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WO/2022/080275A1 |
The present invention provides a method for storing a fluoro-2-butene, said method being not susceptible to progress of an isomerization reaction during storage. A fluoro-2-butene represented by general formula C4HxFy, wherein x is from ...
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WO/2022/080274A1 |
Provided is a method for storing fluoro-2-butene in which an isomerization reaction does not easily proceed during storage. This fluoro-2-butene, which is represented by the general formula C4HxFy where x is 0-7, y is 1-8, and x+y is 8 i...
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WO/2022/080276A1 |
Provided is a storage method for fluoro-2-butene in which isomerization is unlikely to progress during storage. Fluoro-2-butene represented by the general formula C4HxFy and in which x within the general formula is 0-7 inclusive, y is 1-...
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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/2022/069434A1 |
The present invention relates to a process for the purification of fluorinated olefins in gas phase, using at least two adsorbents with different average pore sizes.
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WO/2022/069435A1 |
The present invention relates to a process for the purification of fluorinated olefins, in particular hexafluoro-1,3-butadiene, comprising a step wherein a liquid mixture comprising hexafluoro-1,3-butadiene in liquid phase is contacted w...
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WO/2022/061918A1 |
The present application relates to the technical field of chemical pharmacy, and in particular, to a preparation method for 3,5-dihalobenzotrifluoride, comprising: using 3,5-dihalo-4-aminotrifluorotoluene as a raw material, and subjectin...
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WO/2022/059301A1 |
Provided is an octafluorocyclobutane purification method by which mixed-in fluorocarbons can be removed to obtain high purity octafluorocyclobutane. This octafluorocyclobutane purification method comprises: a decomposition step in which ...
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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/2022/045960A1 |
The present invention relates to a method for separating p-dichlorobenzene from a mixture composed of at least chlorobenzene and dichlorobenzene isomers by a combination of distillation and crystallization, wherein the distillation is pe...
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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/2022/045304A1 |
According to the present invention, 2-(halogenated methyl)naphthalene and 2-naphthyl acetonitrile are safely produced with high selectivity and high yield at low cost. According to the present invention, 2-(halogenated methyl)naphthale...
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WO/2022/035384A1 |
The present invention provides an N-doped activated-carbon catalyst composition for essentially metal-free catalytic conversion of ethylenedichloride (EDC) into vinyl chloride monomer (VCM), wherein the N-doped activated-carbon catalyst ...
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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/2022/016631A1 |
A rectification separation process for a D-D mixture, comprising the following steps: mass transfer separation is carried out on easily carbonized heavy components and light components thereof in a process mother liquor D-D mixture in a ...
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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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