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Matches 251 - 300 out of 6,423

Document Document Title
WO/2009/087067A1
Process for preparing perfluoro-1,3-butadiene, comprising the following steps : A) preparation of fluoro-halo-butanes of formula : CF2 YI-CFYIICFYIICF2 YI (V) in which YI and YII which may be identical or different, may be H, C1 or Br, w...  
WO/2009/084703A1
Using hexafluoropropene (HFP) as a raw material, 1,1,1,2-tetrafluoropropene (HFC-1234yf) is obtained by hydrogenation, dehydrofluorination and distillation. In a series of reactions comprised of hydrogenating HFP to obtain 1,1,1,2,3,3-he...  
WO/2009/078234A1
Disclosed is a method for producing pentafluoroethane, wherein pentafluoroethane (HFC-125) is obtained by reacting tetrachloroethylene (PCE) with HF in a gas phase in the presence of a catalyst, while achieving high PCE conversion rate a...  
WO/2009/076260A2
The present invention provides azeotrope-like compositions of 1,1,1,2,2-pentafluoropropane (HFC-245cb) with either the Z isomer of 1, 1, 1, 2, 3-pentafluoropropene (HFO-1225yeZ) alone or with mixtures of the E and Z isomers of 1,1,1,2,3-...  
WO/2009/076260A3
The present invention provides azeotrope-like compositions of 1,1,1,2,2-pentafluoropropane (HFC-245cb) with either the Z isomer of 1, 1, 1, 2, 3-pentafluoropropene (HFO-1225yeZ) alone or with mixtures of the E and Z isomers of 1,1,1,2,3-...  
WO/2009/071531A1
The invention relates to a method for oxychlorinating ethylene to 1,2-dichlorethane in a gas circulation method using reduced hydrogen levels, having the following steps: (A) introducing ethylene, oxygen, and hydrogen chloride as reactan...  
WO/2009/064939A3
A process for producing hydrofluorocarbon compounds represented by the following formula: CF3CHFCHm+1Fn wherein m is 0, 1, or 2; n is 0, 1, or 2; and m + n = 2. The process has the step of contacting, i.e., reacting, hydrogen with a prec...  
WO/2009/064939A2
A process for producing hydrofluorocarbon compounds represented by the following formula: CF3CHFCHm+1Fn wherein m is 0, 1, or 2; n is 0, 1, or 2; and m + n = 2. The process has the step of contacting, i.e., reacting, hydrogen with a prec...  
WO/2009/052064A3
Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred proces...  
WO/2009/052064A2
Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred proces...  
WO/2009/049144A3
Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electr...  
WO/2009/049144A2
Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electr...  
WO/2009/048732A1
Provided is a method for selectively preparing 2-chloropentafluoropropene comprising catalytic dechlorination of 1,2,2-trichloro-1,1,3,3,3-pentafluoropropane in the presence of hydrogen and a noble metal catalyst. Also provided is method...  
WO/2009/042344A1
Methods are provided for removing impurities from compositions comprising alkyl bromide. Such methods comprise combining such composition with at least one nonvolatile epoxide during distillation to purify the alkyl bromide. Ultra pure a...  
WO/2009/040367A1
Process for the preparation of a fluorine containing organic molecule, which process comprises the steps of a) preparation of a compound of the formula (I) wherein R1, R2 and R3 are independently hydrogen, fluor or an optionally fluorina...  
WO/2009/035110A1
This invention provides a process for producing a fluoroalkyl iodide which can realize high selectivity for a fluoroalkyl iodide (telomer) having a desired degree of polymerization and, at the same time, can realize high productivity. In...  
WO/2009/034859A1
Disclosed is a terminally iodized polyfluoroalkane represented by the following general formula (I). CnF2n+1(CHXCFY)s+p(CF2CF2)t+rI (I) (In the formula, X and Y each represents a hydrogen atom or a fluorine atom, provided that when Y is ...  
WO/2009/031719A1
The present invention relates to a method for preparing chlorinated compounds from saturated hydrocarbon. More particularly, the present invention relates to the method for preparing chlorinated compounds by conducting alternately an oxi...  
WO/2009/026526A1
A method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): to at least one compound of formula (II): where X1 is Cl, Br or I, each X2 i...  
WO/2009/018561A3
Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF=CH2 (1234yf). In certain preferred embodiments the processes comprise first exposing a compound of Formula (IA) C(X)2=CC1...  
WO/2009/018561A2
Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF=CH2 (1234yf). In certain preferred embodiments the processes comprise first exposing a compound of Formula (IA) C(X)2=CC1...  
WO/2009/013198A1
The invention consequently relates, in one aspect, to a process for obtaining a hydrofluoroalkane comprising at least two carbon atoms, which is purified of unsaturated organic impurities, according to which the hydrofluoroalkane contain...  
WO/2009/007302A2
The invention concerns a process for purifying α,ω-diiodoρerfluorinatcd compounds of formula 1-(CF2CF2Y)m-I comprising contacting an impure α,ω-diiodopcrfluorinated compound with a suitable sequestering agent, with formation of a re...  
WO/2009/009413A3
Disclosed are heat transfer compositions, and methods of using and selecting heat transfer compositions, in which the composition comprises a first component comprising difluoromethane (R-32), and at least one second component selected f...  
WO/2009/009413A9
Disclosed are heat transfer compositions, and methods of using and selecting heat transfer compositions, in which the composition comprises a first component comprising difluoromethane (R-32), and at least one second component selected f...  
WO/2009/009413A2
Disclosed are heat transfer compositions, and methods of using and selecting heat transfer compositions, in which the composition comprises a first component comprising difluoromethane (R-32), and at least one second component selected f...  
WO/2009/007302A3
The invention concerns a process for purifying α,ω-diiodoρerfluorinatcd compounds of formula 1-(CF2CF2Y)m-I comprising contacting an impure α,ω-diiodopcrfluorinated compound with a suitable sequestering agent, with formation of a re...  
WO/2008/155394A2
The invention relates to a method for producing 1,2-dichloroethane, wherein a) ethene, hydrogen chloride, and oxygen are fed into an oxychloridation reactor and converted to a product gas flow containing 1,2-dicloroethane, non-converted ...  
WO/2008/155394A3
The invention relates to a method for producing 1,2-dichloroethane, wherein a) ethene, hydrogen chloride, and oxygen are fed into an oxychloridation reactor and converted to a product gas flow containing 1,2-dicloroethane, non-converted ...  
WO/2008/153390A1
Metathesis process for a mixture of chlorinated hydrocarbons, which process comprises reacting a mixture of two or more different chlorinated hydrocarbons in the presence of at least one halogenide of a lanthanide, present on carbon as s...  
WO/2008/153738A3
This invention relates to a process for separating 1,1,2,2-tetrafluoroethane or 1,1,1,2-tetrafluoroethane from a mixture comprising both 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane wherein at least one ionic liquid is used to...  
WO/2008/153738A2
This invention relates to a process for separating 1,1,2,2-tetrafluoroethane or 1,1,1,2-tetrafluoroethane from a mixture comprising both 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane wherein at least one ionic liquid is used to...  
WO/2008/133086A1
Disclosed is a method for producing a fluorine-containing compound such as 1,2,3,4-tetrachlorohexafluorobutane, which is characterized in that a halogenated hydrocarbon compound such as 1,2,3,4-tetrachlorobutane is brought into contact w...  
WO/2008/130864A1
Methods and systems for producing halocarbon with an inorganic fluoride (e.g., germanium tetrafluoride (GeF4)) are disclosed herein.  
WO/2008/130860A1
Methods and systems for producing chlorofluorocarbon with an inorganic fluoride (e.g., germanium tetrafluoride (GeF4)) are disclosed herein.  
WO/2008/122611A1
A process for the manufacture of a fluorinated organic compound of formula R-F wherein R is an organic residue, which comprises reacting a starting material of general formula R-X wherein X is a leaving group with SO2F2. Addition of an a...  
WO/2008/120652A1
Disclosed is a method for producing a chlorinated and fluorinated compound, which is characterized by conducing the reaction for adding a chlorine atom to a unsaturated carbon-carbon bond in a hydrogenated compound having the unsaturated...  
WO/2008/120642A1
Disclosed is a method for producing 1,2,3,4-tetrachlorohexafluorobutane, which is characterized in that 1,2,3,4-tetrachlorobutane is reacted with fluorine in the presence of a solvent containing hydrogen fluoride. The 1,2,3,4-tetrachloro...  
WO/2008/107578A1
The invention relates to a method for producing 1,1-difluoroethane. The invention more precisely relates to a method for producing 1,1-difluoroethane by the gaseous-phase fluorination of 1,2-dichloroethane (or D12 of the formula CH2CICH2...  
WO/2008/104690A1
The present invention relates to a method for producing methylene chloride. The invention more precisely relates to a single-step method for selectively obtaining methylene chloride from formol, optionally mixed with methanol.  
WO2007058836A8
A continuous, vapor phase method for purifying a crude mixture of 1,1,1,3,3,3-hexafluoropropane and one or more unsaturated fluorocarbon compounds, the process comprising: a) providing a photochlorinator vessel comprising : 1) a UV lamp ...  
WO/2008/079265A1
A process for the synthesis of fluorinated olefins of the formula CF3CF=CHX, wherein X is F or H comprising contacting hexafluoropropene with hydrogen chloride in the vapor phase, in the presence of a catalyst, at a temperature in the ra...  
WO/2008/065011A1
The essentially pure isomers of 1,2,3,3,3-pentafluoropropene and specific mixtures thereof together with certain other compounds are suitable for application in refrigerants and other methods of use, e.g. as solvents, blowing agents, fir...  
WO/2008/058444A1
A process for preparation of 1,1,1,3,3-pentachlorobutane comprises reacting carbon tetrachloride and 2-chloropropene, in which the catalyst includes main catalyst and co-catalyst. The said main catalyst is one or more catalysts selected ...  
WO/2008/060612A2
A process is disclosed for making CF3CF=CHF or mixtures thereof with CF2=CFCHF2. The process involves (i) contacting CHCl2CF2CF3, and optionally CHClFCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of deh...  
WO/2008/060612A3
A process is disclosed for making CF3CF=CHF or mixtures thereof with CF2=CFCHF2. The process involves (i) contacting CHCl2CF2CF3, and optionally CHClFCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of deh...  
WO/2008/057513A1
Disclosed is a process for the preparation of internal dihydrofluoroolefins of the formula RCH=CHC2F5, comprising reacting a fluorinated olefin of the formula RCH=CHF, wherein R is selected from perfluoroalkyl groups having from one to t...  
WO/2008/057794A1
A process for the production of fluorinated olefins, preferably fluorinated propenes, by contacting a feed stream containing a fluorinated olefin and hydrogen with a first amount of catalyst to produce the hydrofluorocarbon, wherein a fi...  
WO/2008/054779A1
A process is disclosed for making CF3CF=CH2 or mixtures thereof with CHF2CF=CHF. This process involves (a) reacting CHCI2CF2CF3, and optionally CHCIFCF2CCIF2, with H2 in the presence of a catalytically effective amount of a hydrogenation...  
WO/2008/054778A2
A process is disclosed for making CH2=CFCF3. The process involves contacting CH2CICF2CF3 with H2 in a reaction zone in the presence of a catalyst including a catalytically effective amount of palladium supported on a support selected fro...  

Matches 251 - 300 out of 6,423