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JP2021505590A |
The present application may be useful in applications including refrigerants, high temperature heat pumps, organic Rankine cycles as fire extinguishing / flame suppressants, propellants, foaming agents, solvents, and / or cleaning soluti...
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JP2021014410A |
To provide a method for obtaining a vinyl compound having a hydrogen atom bonded to an SP2 carbon atom of an alkenyl group with high conversion and high selectivity even when a vinyl halide compound is not diluted.A method for producing ...
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JP6827810B2 |
To provide a method for producing a hydrofluoroolefin, wherein formation of an over-reduced product having hydrogen added to a material chlorofluoroolefin and an over-reduced product having not only chlorine atoms but also fluorine atoms...
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JP6827246B2 |
A method for producing a halogenated butene compound represented by CX1X2X3CX4=CHCX7X8X9 [In the formula, X1, X2, X3, X4, X7, X8 and X9 are identical or different and represent halogen atoms.], the method being equipped with a step for r...
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JP2021011474A |
To provide a method capable of obtaining a fluorinated vinyl compound at high yield and high selectivity.Under the presence of alkali metal fluoride, a fluorinated vinyl compound is obtained which expressed by CHR1=CFR2 [In the formula, ...
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JP6826280B2 |
The present invention provides a method for efficiently producing 1-chloro-3,3,3-trifluoropropene from a low-reactivity intermediate product. More specifically, provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene, ch...
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JP6826594B2 |
The present invention relates to a composition comprising trifluoroethylene and 1,2,3,3,3-pentafluoropropene characterized that the weight ratio trifluoroethylene / 1,2,3,3,3-pentafluoropropene is from 5/95 to 95/5.
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JP2021008624A |
To solve the problem in which the manufacture of HFO-1234yf involves a multitude of by-products having a boiling point close to HFO-1234yf, resulting in complex and expensive purification steps.A composition includes HFO-1234yf, HFO-1243...
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JP2021008482A |
To provide a method for converting partially fluorinated intermediates efficiently into HCFO-1233zd.A method for making HCFO-1233zd includes the steps of: (i) providing a propane feedstock such as tetrachlorofluoropropanes, trichlorodifl...
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JP6822763B2 |
To increase the etching selectivity of a silicon-based material to a mask in dry etching by hexafluoropropene.Used is a dry etching gas for etching at least one silicon-based material selected from the group consisting of a silicon oxide...
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JP6821151B2 |
To provide a new form of gold-cerium oxide complex that has an excellent function as a catalyst and contains a gold particle and a cerium oxide covering the surface of the gold particle, and a new production method therefor.A gold-cerium...
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JP2021006551A |
To provide: a composition that comprises a high-purity HFO-1234yf; and methods for purifying HFO-1234yf.A composition comprises 2,3,3,3-tetrafluoropropene and halogenated ethylene impurities including HCFO-1131(CH2=CFCl and/or trans-/cis...
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JP2021501146A |
A mixture containing HCFO-1233zd (Z) and HCFC-244fa is reacted in the gas phase in the presence of a catalyst to isomerize HCFO-1233zd (Z) to form HCFO-1233zd (E), and HCFC. By simultaneously dehydrohalogenating -244fa to form HCFO-1233z...
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JP6813003B2 |
This method comprises a reaction step for reacting, in an organic solvent and in the presence of a nitrogen-containing compound and zinc or a zinc alloy, a compound represented by general formula (2): CF2X1-CFX2-(CF2)n-4-CF2-CF2X3 (2) [i...
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JP6811807B2 |
Disclosed is a process for the preparation of cis-1,1,1,4,4,4-hexafluoro-2-butene comprising contacting 1,1,1-trifluorotrichloroethane with hydrogen in the presence of a catalyst comprising ruthenium to produce a product mixture comprisi...
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JP6812988B2 |
There is provided an economically advantageous manufacturing method capable of efficiently obtaining 1-chloro-2,3,3,3-tetrafluoropropene by using 1,2-dichloro-2,3,3,3-tetrafluoropropane as a raw material. A manufacturing method of 1-chlo...
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JP2021001326A |
To suppress a polymerization reaction or a self-decomposition reaction of 1,2-difluoroethylene.According to the method, (1) 1,2-difluoroethylene (HFO-1132) and oxygen in a gas phase are made to coexist, wherein the concentration of oxyge...
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JP2021001722A |
To improve stability of difluoroethylene (HFO-1132) in a refrigerant containing (HFO-1132) when it is operated while being loaded in a refrigeration machine.A refrigeration machine including refrigerant containing difluoroethylene (HFO-1...
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JP6807837B2 |
The invention also relates to the use of this composition for manufacturing 2,3,3,3-tetrafluoropropene.
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JP6810361B2 |
The present invention has an object of providing a storage container and a storage method that maintain the quality of Z-1-chloro-3,3,3-trifluoropropene as a solvent or a detergent, and are usable to store and transport Z-1-chloro-3,3,3-...
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JP6810369B2 |
A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1...
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JP6809589B1 |
To provide a method for efficiently obtaining HFO-1132 (E) and / or HFO-1132 (Z). A composition containing HFO-1132 (E) and / or HFO-1132 (Z) is supplied to a reactor, and isomerization between HFO-1132 (E) and HFO-1132 (Z) is performed....
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JP2020203942A |
To provide a method capable of obtaining a perfluoroalkandiene compound in a high yield while reducing the generation amount of impurities which are difficult to separate.The production method is a method for producing a perfluoroalkandi...
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JP2020203898A |
To provide a composition for producing 2,3,3,3-tetrafluoropropene.There is provided a composition comprising at least 99 wt.% of 1,1,1,2,3-pentachloropropane and at least one compound selected from a list of additional compounds consisti...
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JP6801234B2 |
To provide a method where, in the fluorination treatment of a catalyst, a catalyst used in the fluorination treatment is easily and safely extracted from a reactor.Provided is a method for extracting a catalyst where hydrogen fluoride an...
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JP6798468B2 |
By subjecting a starting material composition containing hexafluorobutadiene and at least one additional compound selected from the group consisting of octafluoro-1-butene, octafluoro-2-butene, heptafluoro-1-butene, and heptafluoro-2-but...
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JP2020193173A |
To provide a novel method of producing a halide.A method of producing a halide comprises reacting a halogen with a compound of general formula (1) in the figure, where X and Y each independently represent H, F or CF3. The halide is an un...
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JP6795578B2 |
According to the present invention, there is a provided process for preparing 1,1,1,2,2-pentafluoropropane (245cb), the process comprising: gas phase catalytic dehydrochlorination of a composition comprising 1,1,1-trifluoro-2,3- dichloro...
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JP6792186B2 |
A method for manufacturing 1-chloro-3,3,3-trifluoropropene (1230zd) is provided. The method includes contacting a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) with a metal catalyst...
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JP6791803B2 |
Disclosed is a process for the dehydrochlorination of 1,1,1,3-tetrachloropropane comprising contacting 1,1,1,3-tetrachloropropane in the vapor phase in a reaction zone with a catalyst comprising iron, to produce a product mixture compris...
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JP6791860B2 |
Disclosed is a process for preparing a chlorinated alkene, comprising contacting a chlorinated alkane with a catalyst in a dehydrochlorination zone to produce a liquid reaction mixture comprising the chlorinated alkane and the chlorinate...
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JP6788176B2 |
What is disclosed is a dry etching gas containing 1,3,3,3-tetrafluoropropene, wherein 1,3,3,3-tetrafluoropropene has purity of 99.5 mass % or more, and a total of concentration of each mixed metal component of Fe, Ni, Cr, Al, and Mo is 5...
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JPWO2019098337A1 |
(Z) 244bb from a composition comprising -1-chloro-2,3,3,3-tetrafluoropropene (1224yd (Z)) and 2-chloro-1,1,1,2-tetrafluoropropane (244bb) Provided is a method for purifying 1224 yd (Z), which can efficiently separate 1224 yd (Z) to obtai...
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JP6780696B2 |
There is provided an efficient method for producing 1-chloro-2,3,3,3-tetorafluoropropene, with fewer by-products such as 2,3,3,3-tetrafluoropropene and 1,1,1,2-tetrafluoropropane which are over-reduced products, in a method of obtaining ...
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JP6778767B2 |
Disclosed is a method for co-producing 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene, preheating a mixture of 1,1,1,2,2-pentachloropropane and 1,1,1,3,3-pentachloropropane together with anhydrous hydrogen fluoride and s...
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JP6778812B2 |
Disclosed is a method for co-producing various alkenyl halides and hydrofluoroalkanes: cis-1-chloro-3,3,3-trifluoropropene is introduced into a first reactor (1) to carry out an isomerization reaction in the presence of a first catalyst,...
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JP6780656B2 |
There is provided a method of producing HFO with which diluent gas is easily separated even at a low boiling point and which has excellent productivity. A method of producing HFO includes: a reaction step of converting, in the presence o...
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JP6777072B2 |
A method for manufacturing hydrofluoroolefin, includes: converting hydrofluorocarbon represented by a formula (1) into hydrofluoroolefin (HFO) represented by formula (2) in the presence of carbon dioxide to obtain a first gas composition...
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JP6773106B2 |
To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state ...
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JP2020164510A |
To provide a method for producing unsaturated chlorofluorocarbon efficiently and at low cost.A method for producing 1,2-dichloro-3,3,3-trifluoropropene. The method includes treating at least one of 1,3,3,3-tetrafluoropropene, 1,1,1,3,3-p...
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JP6761791B2 |
One object of the invention is to provide a high-yield process for preparing (4Z,7Z)-4,7-decadien-1-yl acetate, with reduced number of steps, without using a protecting group. A process for preparing (4Z,7Z)-4,7-decadien-1-yl acetate is ...
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JP6763431B2 |
The present invention provides a method for efficiently producing 1-chloro-1,2-difluoroethylene at low cost. Specifically, the present invention provides a method for producing 1-chloro-1,2-difluoroethylene, including the step of dehydro...
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JP6760567B2 |
There is provided a composition containing one or more basic compounds selected from the group consisting of tertiary amines, nitrogen-containing heterocyclic aromatic compounds, alkali metal carbonate salts, alkaline earth metal carbona...
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JP6756909B2 |
A catalyst comprising one or more metal oxides, wherein the catalyst has a total pore volume equal to or greater than 0.3 cm3/g and a mean pore diameter greater than or equal to 90 Å, where in the pore volume is measured using N2 adsor...
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JP6753434B2 |
The present invention aims to provide an efficient method for obtaining a desired isomer of HFO-1132 from a composition comprising trans-1,2-difluoroethylene (HFO-1132(E)) and cis-1,2-difluoroethylene (HFO-1132(Z)).The present invention ...
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JP6753443B2 |
A perfluorocycloalkene compound represented by formula (1) [in the formula, R1-R4 are the same or different and represent a fluorine atom or a perfluoroalkyl group] is obtained at a high yield and high selectivity as well as a high react...
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JP6751239B2 |
A method for producing 1,2-dichloro-3,3,3-trifluoropropene (1223xd) according to the present invention includes the step of reacting 1,1,2,3,3-pentachloropropene (1220xa) with a fluorinating agent and is characterized in that hydrogen fl...
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JP6748574B2 |
An azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and optionally one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic ...
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JP6743193B2 |
The invention discloses a method for co-operating low-carbon foaming agents, preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor (1) to have a reaction in the presence of a catalyst to obtain...
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JP6740192B2 |
Means for achieving the object: A method for producing a fluorinated organic compound comprising step A of fluorinating an organic compound by bringing the organic compound into contact with (1) IF5-pyridine-HF and (2) at least one addit...
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