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Matches 151 - 200 out of 3,454

Document Document Title
WO/2010/043162
The present invention discloses a method for preparing alkyl bromide by brominating-oxidizing methane, and a method for further preparing acetyl bromide, acetic acid and acetate from alkyl bromide. Firstly, methane reacts with HBr/H2O an...  
WO/2010/034392
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...  
WO/2010/029240
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/2010/026383
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/2010/026382
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/2010/026382
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/2010/026383
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/2010/025033
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/2010/016401
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/2010/016401
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/2010/013795
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/2010/001774
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/2009/150091
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/2009/147101
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/2009/147083
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/2009/147100
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/2009/148191
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/2009/139352
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/2009/140231
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/2009/125200
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/2009/125201
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/2009/125200
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/2009/126769
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/2009/125201
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/2009/123082
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/2009/114397
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/2009/114398
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/2009/106479
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/2009/093047
A method of providing a blend of tetra-and/or pentafluoroalkanes comprising hydrogenating a pentafluoropropene.  
WO/2009/093047
A method of providing a blend of tetra-and/or pentafluoroalkanes comprising hydrogenating a pentafluoropropene.  
WO/2009/087067
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/2009/084703
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/2009/078234
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/2009/076260
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/2009/076260
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/2009/071531
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/2009/064939
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/2009/064939
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/2009/052064
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/2009/052064
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/2009/049144
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/2009/049144
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/2009/048732
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/2009/042344
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/2009/040367
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/2009/034859
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/2009/035110
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/2009/031719
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/2009/026526
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/2009/018561
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...  

Matches 151 - 200 out of 3,454