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WO/2022/258916A1 |
The present invention relates to a method for producing trifluoroethylene in a reactor equipped with a fixed catalyst bed comprising a catalyst, said method comprising the steps of: a) reacting the chlorotrifluoroethylene with hydrogen i...
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WO/2022/258915A1 |
The present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane or a mixt...
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WO/2022/255397A1 |
The present invention addresses the problem of providing a novel method for producing 1233yd. Provided is a method for producing 1-chloro-2,3,3-trifluoropropene by causing contact between 1,3-dichloro-2,3,3-trifluoropropene, a metal sa...
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WO/2022/255120A1 |
Provided is a production method capable of easily and efficiently producing a fluorohydrocarbon by gas-phase flow without using a catalyst. This method for producing a fluorohydrocarbon includes, after continuously supplying a gaseous ...
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WO/2022/230589A1 |
A method for producing a fluoroalkyne compound represented by the general formula R1C≡CR2 (1) [wherein R1 and R2 are the same or different and represent a fluorine atom or a fluoroalkyl group], the method comprising a step in which a f...
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WO/2022/225830A1 |
A composition is disclosed that comprises 3,3,3-trifluoropropene (1243zf), 1,1,1-trifluoropropane (263fb), vinyl chloride monomer (CH2=CHCl), and at least one of 1,1,1-trifluoroethane (143a), dichlorodifluoromethane (12), 1-chloro-1-fluo...
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WO/2022/218204A1 |
Disclosed in the present invention is a method for preparing 2,3,3,3-tetrafluoropropene. The method comprises a method for preparing 2,3,3,3-tetrafluoropropene by means of a two-step method, a method for co-producing 2,3,3,3-tetrafluorop...
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WO/2022/215570A1 |
This hydrochlorofluoroolefin-based novel composition contains Z-1-chloro-3,3,3-trifluoropropene, 1-chloro-1,3,3,3-tetrafluoropropane, and water. In this composition, the proportion of Z-1-chloro-3,3,3-trifluoropropene is 55.00-99.98 mass...
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WO/2022/197376A1 |
A nanoparticle composition of buckminsterfullerene with at least one poly galloyl functional group such as a catechin molecule, such as epigallocatechin gallate, or a tannic acid, is provided that is both anti-bacterial and efficacious t...
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WO/2022/191185A1 |
The present invention addresses the problem of providing an efficient method for preparing HFC-143 or HFO-1132. As a solution, provided is a method comprising a step for performing a reduction reaction 1,1,2-trifluoroethylene with a redu...
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WO/2022/186265A1 |
To provide a novel compound and a method for producing the same and a method for producing a surface treatment agent having the novel compound as a raw material. A compound represented by formula (A1) or formula (A2). G1-(CH2)m1-CHX1...
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WO/2022/184938A1 |
A compound of formula (I): (I) wherein n is an integer between 0 and 10; Y is hydrogen, halide, mesylate, tosylate, ester, -SPh, -SO2Ph, hydroxyl or protected hydroxyl; with the proviso that if n = 0 or 1, Y is not hydrogen.
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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.
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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 ...
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WO/2022/149462A1 |
A light-absorbing material according to one embodiment of the present disclosure includes a compound represented by formula (1) as a main component. In formula (1): R1 to R30 are independent of each other and include at least one element...
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WO/2022/145387A1 |
Provided is a composition that has excellent solubility in various organic substances, does not have an adverse environmental impact, and has excellent stability. This composition includes monochlorotrifluoropropene and at least one ty...
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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...
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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...
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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...
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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...
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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/2022/116618A1 |
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/2022/105230A1 |
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/2022/096803A1 |
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/2022/088401A1 |
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/2022/080273A1 |
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/2022/080270A1 |
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/2022/075391A1 |
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 ...
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WO/2022/074068A1 |
The present invention describes disorazoles and their analogues as described in formula III wherein the variables are defined in the description, or pharmaceutically acceptable salts thereof. Described is also a novel synthetic pathway f...
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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/2022/054609A1 |
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/2022/035384A1 |
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/2022/016631A1 |
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/2022/014488A1 |
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/2022/002412A1 |
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/2021/241608A1 |
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/2021/235536A1 |
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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