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Matches 1 - 50 out of 11,935

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/2022/157491A1
A process for the production of 1,1-difluoroethane by the catalytic fluorination, in the vapour phase, of a composition comprising vinyl chloride with hydrogen fluoride, wherein the vinyl chloride is contacted with hydrogen fluoride, at ...  
WO/2022/158903A1
The present specification relates to a method for preparing a deuterated anthracene compound comprising the step of reacting halogenated benzene having at least one deuterium with the compound of chemical formula 1 to synthesize a deuter...  
WO/2022/147172A1
The present disclosure provides methods and compositions of hypobromous acid for use in the treatment and prevention of inflammatory conditions, acute or chronic, of infectious or non-infectious origin, such as those attributable to hype...  
WO/2022/135562A1
The present invention provides a continuous preparation system and method for vinylidene chloride. In the present invention, by coupling two stages of supergravity reactors, the product vinylidene chloride and water vapor are distilled f...  
WO/2022/138675A1
Provided are a method for geometric isomerization of a specific geometric isomer (isomer 1) represented by formula (1) to produce a specific corresponding geometric isomer (isomer 2) represented by formula (1), the method including a ste...  
WO/2022/134489A1
The present invention belongs to the technical field of preparation of halogenated hydrocarbon carbocyclic organic compounds, and provides a full continuous flow synthesis process of a fluorine-containing aromatic hydrocarbon compound. A...  
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/2022/130403A1
The present invention relates to a new quaternary ammonium trifluoromethyl salts of formula (I), a process for the preparation thereof and its application in trifluoromethylation: (I) wherein, R1, R2, R3 and R4 are branched or linear C1-...  
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/2022/121398A1
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...  
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...  
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...  
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...  
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/2022/115634A1
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...  
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...  
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/2022/099439A1
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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/2022/080270A1
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...  
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...  
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 ...  
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...  
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-...  
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/2022/069434A1
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.  
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...  
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...  
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 ...  
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...  

Matches 1 - 50 out of 11,935