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Matches 251 - 300 out of 6,616

Document Document Title
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...  
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...  
WO/2010/026383A3
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...  
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...  
WO/2010/016401A3
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...  
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...  
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/2010/001774A1
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...  
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...  
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...  
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/2009/147100A1
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...  
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/2009/140231A3
The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (HCFO), 1-chloro-3, 3,3-trifluoropropene (HCFO-1233zd), particularly the trans- isomer. The HCFO of the...  
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...  
WO/2009/125200A3
The invention provides a process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises ac...  
WO/2009/125200A2
The invention provides a process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises ac...  
WO/2009/126769A2
This invention relates to a process for converting a carbonaceous material to a desired product comprising one or more hydrocarbons or one or more alcohols, the process comprising: (A) gasifying the carbonaceous material at a temperature...  
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/2009/125201A3
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/2009/123082A1
A novel process for producing a fluoroalkyl iodide telomer is provided. By using the process, a fluoroalkyl iodide telomer having a desired chain length can be efficiently obtained. A fluoroalkyl iodide represented by the general formula...  
WO/2009/114398A1
This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes,...  
WO/2009/114397A3
The present invention relates to formulated systems of 1-chloro-3,3,3-trifluoropropene (R-1233zd) and/or 2-chloro-3,3,3-trifluoropropene (R-1233xf) that are sufficiently thermally and chemically stable such that they can be effectively u...  
WO/2009/106479A1
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/2009/093047A3
A method of providing a blend of tetra-and/or pentafluoroalkanes comprising hydrogenating a pentafluoropropene.  
WO/2009/093047A2
A method of providing a blend of tetra-and/or pentafluoroalkanes comprising hydrogenating a pentafluoropropene.  
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...  

Matches 251 - 300 out of 6,616