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WO/2010/035748A1 |
Disclosed is a process for producing 1,3,3,3-tetrafluoropropene, which comprises the following steps: a first step of reacting 1,1,1,3,3-pentachloropropane with hydrogen fluoride to produce 1-chloro-3,3,3-trifluoropropene; and a second s...
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WO/2010/034395A1 |
The invention relates to a method and a device for saving fuel used in furnaces for thermally cracking halogenated aliphatic hydrocarbons, especially 1,2-dichloroethane, using chemical cracking promoters or physical measures initiating t...
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WO/2010/034392A1 |
The invention relates to a method for using the reaction heat developing during the production of 1,2-dichloroethane from ethylene by reaction with oxygen and hydrogen chloride (oxichlorination) in a fluidized bed reactor. By dissipating...
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WO/2010/034396A1 |
The invention relates to a method and a device for thermally cracking halogenated aliphatic hydrocarbons, especially for thermally cracking 1,2-dichloroethane to give vinyl chloride, in a manner that is gentle to the product, using chemi...
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WO/2010/032575A1 |
A fluoroolefin iodide mixture represented by general formula (Ia): CnF2n+1CF2CH=CF(CF2CF2)mI and general formula (Ib): CnF2n+1CF=CHCF2(CF2CF2)mI (wherein n represents an integer of 0-5 and m represents an integer of 1-3). The fluoroolef...
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WO/2010/029419A1 |
The subject of the invention is a process for the preparation of 2,3-dichloro-1,1,1-trifluoropropane by chlorination of 3,3,3-trifluoropropene at a pressure greater than 2 bar. Application in the synthesis of 1234yf.
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WO/2010/029240A1 |
One subject of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorinati...
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WO/2010/029239A1 |
One subject of the invention is a process for the preparation of fluoroolefin compounds. It relates more particularly to a process for the manufacture of a compound of formula (I) CF3-CF=CHX in which X represents a hydrogen or fluorine a...
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WO/2010/029893A1 |
Disclosed is a process for producing 1-chloro-3,3,3-trifluoropropene or 1,3,3,3- tetrafluoropropene, which comprises reacting 1,1,1,3,3- pentafluoropropane with hydrogen chloride in a gas phase in the presence of a solid catalyst. By us...
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WO/2010/026383A2 |
A new chromium-containing fluorination catalyst is described. The catalyst comprises an amount of zinc that promotes activity and from 0.1 to 8.0 % by weight of the chromium in the catalyst based on the total weight of the chromium is pr...
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WO/2010/026382A2 |
A new chromium-containing fluorination catalyst is described. The catalyst comprises an amount of zinc that promotes activity. The zinc is contained in aggregates which have a size across their largest dimension of up to 1 micron. The ag...
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WO/2010/024366A2 |
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising distilling a mixture of water and 2,3,3,3-tetrafluoropropene to separate the mixture into a first stream and a second stream, the first stream ...
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WO/2010/025033A1 |
Disclosed is process for the recovery of HFC-43-10mee from a mixture comprising hydrogen fluoride and HFC-43-10mee, comprising feeding the composition comprising hydrogen fluoride and HFC-43-10mee to a distillation column, subjecting sai...
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WO/2010/021406A1 |
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene including the step of dehydrofluorinating 1,1,1,2,3-pentafluoropropane, wherein 1,3,3,3-tetrafluoropropene and 1,1,3,3,3-pentafluoropropane are supplied to...
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WO/2010/019710A1 |
Process (112) and apparatus (122) to form vinyl chloride monomer (130) from ethylene dichloride (120) in a cracking furnace (124), including a firebox (12) chamber (20) having a thermal protective layer (18) disposed on refractory walls ...
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WO/2010/016401A2 |
The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene represented by CF3CF=CH2 and 1,3,3,3-tetrafluoropropene represented by CF3CH=CHF, in which 3,3,3-trifluoropropyne represented by the chemical formula CF3CH...
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WO/2010/013795A1 |
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene including the following reaction steps: (i) reducing a halogenated fluoropropane represented by formula (1): ACF2CF2CH2FyAz, wherein A is Cl, Br, or I; x i...
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WO/2010/013796A1 |
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene represented by the formula CF3CF=CH2, comprising contacting a fluorine-containing propane represented by the formula CF2XCFYCH2Z, wherein X is Cl, Br, or I...
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WO/2010/013724A1 |
Disclosed is a compound containing a divalent group represented by formula (I). (In formula (I), Ar1 represents an arylene group, a divalent heterocyclic group or a divalent aromatic amine group; J1 represents a phenylene group; J2 repre...
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WO/2010/014548A2 |
A process for the preparation of perfluorinated cis-alkene comprising: reducing a perfluorinated alkyne with hydrogen over a palladium catalyst in the presence of a non-aromatic amine catalyst modifier to form a product which comprises a...
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WO/2010/013723A1 |
A polymer compound including: the repeating unit shown in the following formula (I) (wherein: Ar1 represents an arylene group, a divalent heterocyclic group, or a divalent aromatic amine; J1 and J2 each represent a direct bond, an alkyle...
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WO/2010/013685A1 |
Disclosed is a process for producing a 1H,1H,2H-perfluoroalkene or an α,ω-divinylperfluoroalkane by reacting a 1H,1H,2H,2H-perfluoroalkyl halide or an α,ω-bis(2-haloethyl)perfluoroalkane with an alkali metal hydroxide in the presence...
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WO/2010/013577A1 |
The present invention provides a process for preparing a fluorine-containing propene represented by the chemical formula CF3CF=CX1X2, wherein X1 is a hydrogen atom or chlorine atom, and X2 is a fluorine atom, chlorine atom, or hydrogen a...
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WO/2010/013576A1 |
The present invention provides a process for producing a fluorine-containing propene compound represented by Formula (2): CF2191XCF=CH2 wherein X is F, Cl, or H, the process including reducing a compound represented by Formula (1): CF2XC...
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WO/2010/011423A2 |
In a method of synthesizing a mostly CHA-type silicoaluminophosphate sieve, a reaction mixture comprises sources of water, silicon, aluminum, phosphorus, and a template. In one aspect, when the reaction mixture Si/Al2 ratio is less than ...
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WO/2010/007968A1 |
Disclosed is a method for producing a hydrogen-containing fluoroolefin compound represented by formula (2), wherein a fluorine-containing halogen compound represented by formula (1) is brought into contact with 0.1-3 molar equivalents of...
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WO/2010/004415A1 |
The invention relates to a compound of formula (I) XCFZR3-Z wherein: X is a substituted or unsubstituted unsaturated branched or straight chain hydrocarbon group with up to 5 C atoms, R is Cl, F, Br, I or H, Z =1, 2 or 3 with a content o...
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WO/2010/001774A1 |
Disclosed is a process for producing 1,2,3,4-tetrachlorohexafluorobutane on an industrial scale, at low cost, with high efficiency, and at high purity. The process for producing 1,2,3,4-tetrachlorohexafluorobutane is characterized by co...
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WO/2010/001768A1 |
The present invention provides a process for producing a fluorine-containing propene compound represented by the formula CF3CF=CYZ wherein Y and Z are the same and different and each represent a hydrogen atom or a halogen atom, the proce...
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WO/2010/001025A2 |
The subject of the invention is a process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf). More particularly, it relates to a purification process in which 2,3,3,3-tetrafluoro-1-propene, comprising impurities based on ...
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WO/2009/158321A1 |
A one reactor, gas phase catalyzed process for the fluorination of 1,1,2,3-tetrachloropropene (1230xa) to produce 1,1,1,2-tetrafluoropropene (1234yf) is disclosed. The process of the present invention is a catalytic, gas phase fluorinati...
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WO/2009/153493A1 |
The subject of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) dehydrofluorination of 1,1,1,2,2,3-hexafluoropropane to 1,2,3,3,3-pentafluoro-1-propene; (ii) hydrog...
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WO/2009/155029A2 |
A process for making a fluorinated olefin. The process has the step of dehydrochlorinating a hydrochlorofluorocarbon having at least one hydrogen atom and at least one chlorine atom on adjacent carbon atoms in the presence of a catalytic...
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WO/2009/153272A2 |
The invention relates to a method for iodinating aromatic and/or heteroaromatic compounds, characterized in that aromatic compounds are reacted with an iodine source in the presence of at least one base and at least one catalyst containi...
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WO/2009/153492A1 |
The invention relates to a method for dehydrofluorinating 1, 1, 1, 2, 2, 3-hexafluoropropane in 1, 2, 3, 3, 3-pentafluoropropene-1 in the presence of hydrogen.
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WO/2009/152405A1 |
Methods and systems for the hydrogenation of multi-brominated alkanes are provided herein. An embodiment of the present invention comprises a method, the method comprising: reacting at least hydrogen and multi-brominated alkanes in the p...
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WO/2009/150091A1 |
The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO-CRf'X-CRf''Rf'''X' (I-A) wherein Rf represents a C1-C6 perfluor...
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WO/2009/149797A1 |
The invention relates to a process for preparing a compound according to formula (I). The invention also relates to useful intermediates in the process.
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WO/2009/151110A1 |
A polyfluoro-1-alkane represented by the general formula CF3(CF2)nCH2(CF2)mCH=CH2 [I] (wherein n is an integer from 0 to 5 and m is an integer from 1 to 7) is manufactured by causing an inorganic basic compound to react with a polyfluoro...
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WO/2009/152408A1 |
A variety of methods and systems are disclosed herein, including, in one embodiment, a method comprising: providing a stream comprising halogenated alkanes; forming synthesis products comprising hydrocarbons and hydrogen bromide from syn...
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WO/2009/151109A1 |
A polyfluoroalkadiene mixture represented by the general formula CF3(CF2)nCF=CH(CF2)m+1CH=CH2 [Ia] and the general formula CF3(CF2)n+1CH=CF(CF2)mCH=CH2 [Ib] (wherein n is an integer from 0 to 5 and m is an integer from 0 to 6) is obtaine...
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WO/2009/148191A1 |
The present invention provides a process for producing a compound represented by general formula (I): wherein X, Y and Z are same or different, and each represent H, F, Cl or an alkyl group, provided that the alkyl group and F are each n...
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WO/2009/147101A1 |
Process for the manufacture of at least one ethylene derivative compound starting from a low value residual gas, preferably a ROG, according to which : a) the low value residual gas is subjected to a series of treatment steps in a low va...
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WO/2009/147100A1 |
Process for the manufacture of 1,2-dichlorethane and of at least one ethylene derivative compound which is different from 1,2-dichloroethane starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected t...
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WO/2009/147083A1 |
Process for the manufacture of at least one ethylene derivative compound starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected to a simplified cracking which produces a mixture of products contain...
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WO/2009/142642A1 |
Disclosed is a method for the synthesis of fluorinated alkenes comprising contacting a fluorinated alkyne of the formula R1 C≡C R2, wherein R1 and R2 are independently selected from CF3, C2F5, C3F7, and C4F9, in a pressure vessel, with...
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WO/2009/138764A1 |
The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1, 2,3,3, 3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (...
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WO/2009/140563A1 |
Disclosed is a process for producing tetrafluoropropene comprising: (a) catalytically fluorinating at least one tetrafluoropropene in a first reactor to produce HCFO-1233xf; (b) reacting said HCFO-1233xf with hydrogen fluoride in a secon...
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WO/2009/139352A1 |
Disclosed is a method for efficiently using expensive fluorine gas to industrially, inexpensively, and efficiently manufacture 1,2,3,4‑tetrachlorohexafluorobutane, and a method with which 1,2,3,4‑tetrachlorohexafluorobutane can be st...
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WO/2009/136646A1 |
Disclosed is a method for producing an unsaturated organic compound represented by the following formula (3): (Y1)m-1-R1-R2-(Y2)n-1 (3) (wherein Y1 represents R2 or X1; and Y2 represents R1 or B(X2)2), wherein a compound represented ...
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