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WO/2024/075800A1 |
A compound represented by general formula: R1-R2-X, wherein R1 is -CH3, -CH2F, -CHF2, -CH2I, -CHFI or an anionic group; R2 is an alkylene group formed only with a unit represented by -CFH- or an alkylene group formed only with a unit rep...
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WO/2024/075007A1 |
The invention relates to a new process for the manufacture of nonafluoro-tert-butyl alcohol compound, and to the use of a hydroxyl group protected nonafluoro-tert-butyl alcohol ester as an intermediate compound or precursor compound in t...
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WO/2024/063425A1 |
The present invention relates to a methyl chloride producing method with improved energy efficiency using a multi-step reaction, wherein in the production of methyl chloride through methane chlorination, chlorinated methane such as methy...
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WO/2024/040906A1 |
Disclosed is a method for recycling a lithium-ion battery electrolyte. By means of freezing a used lithium-ion battery and then dissembling same, environmental pollution caused by volatilization and decomposition of the electrolyte can b...
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WO/2024/029525A1 |
Provided is a novel method for producing a fluorinated organic compound. The production method is a method for producing a fluorine adduct of a compound represented by formula (1) (in the formula, R1, R2, and n have the same meanings as ...
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WO/2024/024869A1 |
To provide a method for producing chlorofluorobutane (CFB) by dimerizing trichloroethylene (TCE) to generate chlorinated butadiene and fluorinating the hydrogen atoms of this chlorinated butadiene. Trichloroethylene (TCE) is dimerized ...
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WO/2024/024871A1 |
The objective of the present invention is to convert by-products into a target product through relatively simple operations, and to increase production efficiency throughout the process, in a series of processes for producing 1,2,3,4-tet...
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WO/2024/023020A1 |
The disclosure provides a process for producing methanol and hydrogen from methane. The process of the disclosure comprises the steps of: • a) providing a gaseous feed stream comprising methane; • b) reacting said gaseous feed stream...
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WO/2024/023024A2 |
A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg ≥ 110°C in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems...
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WO/2024/023018A1 |
The present invention relates to a process for producing dimethyl ether (DME) and hydrogen (H2) from methane, comprising the steps of: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at le...
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WO/2024/023027A2 |
A method of electrolysing hydrogen bromide comprising the steps i) brominating a hydrocarbon such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the...
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WO/2024/023016A1 |
The present invention relates to a process for producing methanol (MeOH) and hydrogen (H2) from methane, comprising the steps: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one ...
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WO/2024/016438A1 |
The present invention relates to a preparation method for hexafluorobutadiene. The method comprises: 1) performing temperature raising and pressure increase reactions on chlorotrifluoroethylene, and then performing a thermal polymerizati...
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WO/2024/005534A1 |
The present invention relates to an electrolyte solution for a lithium metal battery, and when applied to a battery comprising lithium metal as a negative electrode active material, the electrolyte solution of the present invention has f...
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WO/2024/006582A1 |
Compositions for identifying a pathogenic bacterial infection include a mannitol compound with one or more substituents including radioisotopes. These radiopharmaceuticals, such as a positron- emitting mannitol analogue, [18F]fluoromanni...
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WO/2023/245633A1 |
The present invention provides a process for producing chloroethane, comprising the following steps: (1) separating sucralose tail gas to prepare concentrated hydrochloric acid; (2) desorption and concentration of the concentrated hydroc...
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WO/2023/236741A1 |
Disclosed is a continuous preparation method for 1,1,1,2,3-pentachloropropane. 1,1,1,3-tetrachloropropane and chlorine are continuously introduced into a reactor respectively and are subjected to a reaction under the action of a solid ox...
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WO/2023/235189A1 |
This invention discloses a poly (hexafluoropropylene oxide) (HFPO) mixture that contains a bifunctional and a monofunctional poly (HFPO) component. A process utilizing liquid or supercritical fluid chromatography may be used to separate ...
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WO/2023/206914A1 |
The present application relates to the field of intelligent manufacturing of an electronic-grade gas, and specifically discloses a rectification control system and a rectification control method for preparing electronic-grade methyl fluo...
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WO/2023/210724A1 |
A purpose of the present invention is to provide a method for producing 1,1,1,3,5,5,5-heptafluoro-2-pentene (HFO-1447) that is highly pure, particularly with a purity of higher than 99%. Another purpose of the present invention is to pro...
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WO/2023/206915A1 |
Disclosed in the present invention is a tail gas absorption device for producing electronic grade trifluoromethane. The tail gas absorption device comprises a base and a treatment tower fixedly mounted on the base, wherein the interior o...
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WO/2023/178541A1 |
Disclosed in the present application is a method for preparing 1,2-dichloroethane. The method comprises reacting raw materials containing ethylene glycol diacetate and hydrogen chloride in the presence of a catalyst to obtain 1,2-dichlor...
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WO/2023/182754A1 |
The present invention relates to an organic compound that can enhance the light efficiency of light extracted to the outside of an organic light-emitting element due to having a low refractive index, and thus can be effectively utilized ...
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WO/2023/182304A1 |
A production method is provided by which a fluorohydrocarbon can be easily and efficiently produced in a vapor-phase flow mode without using a catalyst. This method for producing a fluorohydrocarbon comprises: continuously supplying a fi...
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WO/2023/174709A1 |
The present invention is directed to 13C-labelled chlorinated paraffins, preferably having neither geminal nor terminal chlorine atoms in their structure, processes for their preparation as well as their uses.
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WO/2023/165656A1 |
The invention relates to a method for preparing 1,2-dichloroethane from ethylene and chlorine and for water desalination, wherein the respective processes are carried out in thermally intercoupled plant parts so that heat from the reacti...
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WO/2023/164093A2 |
In an embodiment, a method of producing a fluoroolefin comprises coupling 3,3-dichloro-1,1,1,2,2-pentafluoropropane (CF3-CF2-CHCl2) in a liquid phase in the presence of a catalyst to form a composition comprising 1,1,1,2,2,5,5,6,6,6-deca...
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WO/2023/162998A1 |
The purpose of the present invention is to provide an iodo compound–containing liquid composition that has better photostability than conventional iodo compound–containing liquid compositions. According to the present invention, a ...
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WO/2023/157982A1 |
The purpose of the present disclosure is to provide a method for isolating a fluorocarbon having one carbon atom. A fluorocarbon isolation method according to the present disclosure comprises isolating a fluorocarbon having n carbon at...
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WO/2023/146715A1 |
High boiling fluorinated by-products obtained from a manufacturing process of 1 -chloro-3,3,3-trifluoropropene (HFO-1233zd) not only include components that can be used as a starting material or feedstock in the production of 1,1,1,3,3- ...
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WO/2023/141794A1 |
High boiling fluorinated by-products obtained from a manufacturing process of 1-chloro-3, 3, 3-trifluoropropene (HFO-1233zd) not only include components that can be used as a starting material or feedstock in the production of 1, 1, 1, 3...
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WO/2023/141191A2 |
Disclosed are catalyst compositions for the oxychlorination of ethylene to dichloroethane (DCE) capable of providing high ethylene conversion, high dichloroethane selectivity and high crude purity. Also disclosed are methods of preparing...
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WO/2023/141486A1 |
A method for the production of 1,2-dichloroethane, the method comprising (i) providing a fluidizable catalyst; (ii) charging the fluidizable catalyst to a fluidized bed reactor; (iii) fluidizing the catalyst within the reactor; (iv) heat...
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WO/2023/128541A1 |
The present invention relates to a catalyst for a methane chlorination reaction and, more specifically, to a catalyst for a methane chlorination reaction which, compared to catalysts for a methane chlorination reaction using conventional...
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WO/2023/118697A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/118694A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/118698A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/108788A1 |
A catalyst for the continuous production of 1,1,1,3-tetrachloropropane in a gas-solid phase reaction, a preparation method therefor and the use thereof. The catalyst comprises a zero-valent iron and phosphorus co-modified carbon material...
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WO/2023/102821A1 |
Disclosed is a method for preparing 1,2-dichloroethane. The method comprises the following steps: reacting raw materials containing ethylene glycol monomethyl ether, hydrogen chloride and a catalyst, obtaining the 1,2-dichloroethane. Acc...
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WO/2023/056655A1 |
Provided is a production method for recovering and purifying electronic-grade hexafluoroethane from industrial waste gas resulting from the production of carbon tetrafluoride. The production method comprises: conveying hexafluoroethane-c...
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WO/2023/048385A1 |
Disclosed is a method for producing 1,4-dibromo-2,3-dichlorohexafluorobutane (Br-CF2-CFCl-CFCl-CF2-Br), in which, through the photoreaction of 1,2-dibromo-1-chlorotrifluoroethane (Br-CF2-CFCl-Br) with a CTFE (CF2=CFCl) gas mixed with a d...
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WO/2023/288201A1 |
The present disclosure provides an integrated process for producing trifluoroiodomethane (CF3I), in three steps: a) reacting a first reactant stream comprising hydrogen (H2) and iodine (I2) in the presence of a first catalyst to produce ...
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WO/2023/288198A1 |
The present disclosure provides a method of removing iodine (I2) and iodine- containing species from processes for producing trifluoroiodomethane (CF3I). The present disclosure further provides another method of removing iodine and iodin...
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WO/2023/286752A1 |
The present disclosure addresses the problem of producing a hydrogenated alkene by way of hydrogen substitution. This alkene manufacturing method includes a step in which a hydrogenation reaction is conducted in the presence of an activa...
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WO/2023/282241A1 |
This method is for producing a composition containing octafluorocyclobutane and octafluorobutane, and comprises (1A) a step for causing a reaction between a raw material composition and a gas containing hydrogen in the presence of a hydr...
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WO/2022/270173A1 |
The present invention addresses the problem of providing a method by which a monofluoroalkane can be obtained inexpensively on an industrial scale at a high yield and with high selectivity. Provided is a method for producing a monofluo...
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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/2022/249853A1 |
Provided is a method for producing 1,2,3,4-tetrachloro-1,1,4,4-trifluorobutane as a raw material from which 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutane can be produced through a stable reaction. The method for producing 1,2,3,4-tetr...
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WO/2022/249852A1 |
Provided is a method for producing 1,2,3,4-tetrachloro-1-fluorobutane, which serves as a starting material that enables the production by a stable reaction of 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutane. The method for producing 1,2...
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WO/2022/244481A1 |
Provided is a method for producing bromofluoromethane, the method making it possible to selectively synthesize tribromofluoromethane and/or dibromodifluoromethane. This method for producing bromofluoromethane has a fluorination step for ...
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