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Matches 751 - 800 out of 3,947

Document Document Title
WO/2010/068715A2
Disclosed are processes for an isomerization reaction between (E)1-chloro-3,3,3-trifluoropropene and (Z)1-chloro-3,3,3-trifluoropropene. Some of the disclosed processes include the step of contacting a feed stream with a heated surface, ...  
WO/2010/060868A1
Hydrochlorofluoroalkenes can be produced by dehydrofluorination of hydrochlorofluoroalkanes over X-ray amorphous high surface metal fluoride or X-ray amorphous or weakly crystalline metal oxide fluoride wherein the metal is selected from...  
WO/2010/061152A1
The invention relates to a method for manufacturing vinyl chloride monomer, including the preparation of acetylene from one or more renewable first materials, followed by the reaction of the acetylene with hydrogen chloride so as to form...  
WO/2010/062527A1
Described is a method for producing fluoropropenes of formula CF3CX=CX2 wherein each X is F or H, at least one X is H, and at least one X is F, comprising pyrolyzing a hydrofluorochloropropane of formula CF3CXYCX2Y, wherein each X is F o...  
WO/2010/062572A2
An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1 - C3 alcohol, a C5 - C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, wa...  
WO/2010/059496A1
The present invention provides a process for the manufacture of trans 1-chloro-3,3,3-trifluoropropene (E-1233zd). The first step of the process comprises the fluorination of 1,1,3,3- tetrachlororopropene (1230za, CCh=CH-CHCh) and/or 1,1,...  
WO/2010/055341A2
A catalyst comprising gold nanoparticles carried on a carbon support is substantially non-toxic and is active for the reaction of ethyne with hydrogen chloride to form vinyl chloride monomer.  
WO/2010/056695A2
Provided are azeotropic or azeotrope-like mixtures of 2,3,3,3-tetrafluoropropene (1234yf) and 3,3,3-trifluoropropene (1243zf), as well as methods for producing and using the same.  
WO/2010/055146A2
A hydrofluoroolefin and hydrofluoroolefin isomers and a process for manufacture them comprising eliminating HF from a fluorinated precursor compound are described. The fluorinated precursor compound may be provided by fluorinating a chlo...  
WO/2010/050373A2
The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene comprising the steps of: (a) reacting 3,3,3-trifluoropropyne with hydrogen fluoride while heating to obtain a product containing 2,3,3,3-tetrafluoropropene...  
WO/2010/043792A1
The present invention relates to the method for obtaining vinylidene fluoride and the subject matter thereof is more particularly the production of vinylidene fluoride by pyrolysis of 1,2-dichloro-2,2-difluoroethane in the presence of hy...  
WO/2010/045104A2
The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of resid...  
WO/2010/042781A2
Compositions comprising CF3CCIFCH2OH, CF3CCIFCH2OZnCI, and CF3CCIFCH2OC(=O)CH3 are useful in processes to make HFO- 1234yf. Compositions comprising HFO-1234yf may comprise at least one additional compound selected from the group consisti...  
WO/2010/039820A2
Process for producing fluorinated olefins from fluorinated materials, the process comprising thermally decomposing the fluoropolymers into fluoroolefins in a reactor having a feeding zone where the fluorinated materials are fed into the ...  
WO/2010/035724A1
Disclosed is a process for producing dichlorobutene that can produce, with an apparatus formed of a general-purpose metal material, a reaction solution having a high dichlorobutene concentration which can realize the production of dichlo...  
WO/2010/034397A1
The invention relates to a method and a device for producing ethylenically unsaturated halogenated hydrocarbons, especially of vinyl chloride, by thermally cracking 1,2-dichloroethane, using physical or chemical measures initiating the c...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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); (...  
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...  
WO/2009/130986A1
Disclosed is a method for purifying tetrafluoroethylene, wherein a polymerization inhibitor is removed from tetrafluoroethylene containing the polymerization inhibitor by adsorption. Specifically, tetrafluoroethylene containing a polymer...  
WO/2009/125199A2
The present invention provides a process for its preparation comprising (a) converting 1,1,1-trifluoro-2,3-dichloropropane (243db) to 3,3,3-trifluoro-2-chloro-prop-1-ene (CF3CCI=CH2) in the presence of a first catalyst in a first reactor...  
WO/2009/125201A2
The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to p...  
WO/2009/118630A1
The invention relates to a method for selective dehydrofluorination on a mixed catalyst based on chromium and nickel on a carrier based on aluminium. The invention is used for the synthesis of 2, 3, 3, 3-tetrafluoro-1-propene and 1,2,3,3...  
WO/2009/118632A1
The invention relates to a gas phase continuous method for preparing 2,3,3,3-tetrafluoro-1-propene, said method comprising the following steps: (i) hydrogenation of hexafluoropropylene to form 1,1,1,2,3,3 -hexafluoropropane; (ii) dehydro...  
WO/2009/118628A1
The invention relates to a method for the dehydrofluorination of 1,1,1,2,3,3 -hexafluoropropane into 1,2,3,3,3 -pentafluoropropene-1, in the presence of hydrogen.  
WO/2009/117458A2
A process is disclosed for making 1,1,1,4,4,4-hexafluoro-2-butene. The process involves reacting 2,2-dichloro-1,1,1-trifluoroethane with copper in the presence of an amide solvent and 2,2'-bipyridine. A process is also disclosed for maki...  
WO/2009/110406A1
Disclosed are: an advantageous production process for a carotenoid intermediate; and others. Specifically disclosed are: a process for producing a dialcohol represented by formula (1), which is characterized by reacting a Gregnard reagen...  

Matches 751 - 800 out of 3,947