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Matches 251 - 300 out of 6,279

Document Document Title
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/2008/060612A3
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/2008/060612A2
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/2008/058444A1
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/2008/057794A1
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/2008/057513A1
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/2008/054782A1
A process is disclosed for making CF3CF2CH3, CF3CF=CH2 and/or CF3CCI=CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CH2CH2X, halopropenes of the form...  
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...  
WO/2008/054778A3
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...  
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/2008/054781A1
A process is disclosed for making CF3CF2CH3, CF3CF=CH2 and/or CF3CCI=CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHCICH2X, halopropenes of the for...  
WO/2008/050027A1
The present invention relates to a process for the manufacture of pentafluoroethane. It more particularly relates to a process for the manufacture of pentafluoroethane by gas-phase fluorination of perchloroethylene (PER) in the presence ...  
WO/2008/045910A1
A process for the manufacture of haloalkanes, or more particularly to a process for the manufacture of 1,1,1,3,3-pentachloropropane (HCC-240fa) and/or and/or 1,1,1,3-tetrachloropropane (HCC-250fb). The process includes (a) mixing a catal...  
WO/2008/043720A3
A telomerisation process is described wherein a halocarbon is added to olefins like 2-chloroprop-1-ene in the presence of ionic liquids and/or compounds having at least two nitrogen atoms at least one of which is tricordinated and at lea...  
WO/2008/043720A2
A telomerisation process is described wherein a halocarbon is added to olefins like 2-chloroprop-1-ene in the presence of ionic liquids and/or compounds having at least two nitrogen atoms at least one of which is tricordinated and at lea...  
WO/2008/040804A1
A telomerisation process is described whereby fluorotrichloromethane is added to olefins like 2-chloroprop-l-ene, preferably in the presence of a catalyst. The reaction products, e.g. 1,1,3,3-tetrachloro-l-fluorobutane, can be further fl...  
WO/2008/040803A1
A telomerisation process is described whereby haloalkanes like tetrachloromethane are added to halogenated olefins like 2-chloroprop-1-ene in the presence of an iron catalyst and a phosphite. The reaction products, e.g. 1,1,1,3,3-pentach...  
WO/2008/037657A1
A telomerisation process is described whereby haloalkanes like tetrachloromethane are added to halogensubstituted olefins like 2-chloroprop-1- ene in the presence of a Ru catalyst. The reaction products, e.g. 1,1,1,3,3-pentachlorobutane,...  
WO/2008/030438A3
Halocarbons of the structure CF3CF2CH2X, wherein X is either F or Cl or mixtures thereof prepared by: contacting at least one 2- fluorochloropropane with hydrogen fluoride in a first fluorination step in the gas phase or liquid phase und...  
WO/2008/030444A2
A process for making CHF=CFCF3 is disclosed. The process involves (a) reacting CCI2FCF2CF3 with H2 in the presence of a catalytically effective amount of hydrogenation catalyst to form CH2FCF2CF3; and (b) dehydrofluorinating CH2FCF2CF3 f...  
WO/2008/030444A3
A process for making CHF=CFCF3 is disclosed. The process involves (a) reacting CCI2FCF2CF3 with H2 in the presence of a catalytically effective amount of hydrogenation catalyst to form CH2FCF2CF3; and (b) dehydrofluorinating CH2FCF2CF3 f...  
WO/2008/030438A2
Halocarbons of the structure CF3CF2CH2X, wherein X is either F or Cl or mixtures thereof prepared by: contacting at least one 2- fluorochloropropane with hydrogen fluoride in a first fluorination step in the gas phase or liquid phase und...  
WO/2008/027604A3
RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.  
WO/2008/027909A1
This invention provides wet and dry n-propyl bromide compositions comprising minimal amounts of acetone, bromoacetone, 1-propanol, and isopropyl bromide. These n- propyl bromide compositions are formed by free-radical catalyzed hydrobrom...  
WO/2008/027603A1
The present disclosure relates to non-ignitable gaseous compositions comprising difluoromethane and tetrafluoroethylene. When the pressure is at least 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous com...  
WO/2008/027602A2
A process for making HFC-236cb is disclosed. The process comprises reacting TFE with HFC-32 in the presence of at least one co-product and a suitable catalyst to produce a product mixture comprising HFC-236cb, wherein the total amount of...  
WO/2008/027604A2
RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.  
WO/2008/027602A3
A process for making HFC-236cb is disclosed. The process comprises reacting TFE with HFC-32 in the presence of at least one co-product and a suitable catalyst to produce a product mixture comprising HFC-236cb, wherein the total amount of...  
WO/2008/022187A1
Azeotropic or azeotropic-like compositions of 1,1,1-trifluoroethane (HFC-143a) and 1-chloro-2,2,2-trifluoroethane (R-133a). The discovery of the azeotropic or azeotropic-like compositions of HFC-143a and R-133a permits such azeotropic or...  
WO/2008/019111A2
Telomer compositions are provided that can include at least one taxogen unit and a telogon unit, the taxogen unit being one or more of TFP, PFP, VDF, TFMA, PMVE, VF1 TFE, CTFE, BrTFE, HFP, dichlorodif luoroethylene, chlorodifluoroethylen...  
WO/2008/019111A3
Telomer compositions are provided that can include at least one taxogen unit and a telogon unit, the taxogen unit being one or more of TFP, PFP, VDF, TFMA, PMVE, VF1 TFE, CTFE, BrTFE, HFP, dichlorodif luoroethylene, chlorodifluoroethylen...  
WO2006113307A8
A process for oxygen-initiated hydrobromination of propene to form a crude reaction mixture of 95 GC area % n-propyl bromide. The process includes feeding an oxygen-containing gas, propene and hydrogen bromide into a liquid phase mixture...  
WO/2008/013779A2
A process is disclosed for making hydrohalopropanes or hydrofluorobutanes. The process involves reacting a hydrofluoromethane with a fluoroolefin in the presence of a modified aluminum chloride catalyst or a modified aluminum bromide cat...  
WO/2008/013779A3
A process is disclosed for making hydrohalopropanes or hydrofluorobutanes. The process involves reacting a hydrofluoromethane with a fluoroolefin in the presence of a modified aluminum chloride catalyst or a modified aluminum bromide cat...  
WO/2008/007012A2
The present invention relates to a method of producing liquid 1,2-dichloroethane (DCE), obtained by direct cold chlorination of ethylene in the presence of a Lewis acid type catalyst, in order to obtain, after separation from the catalys...  
WO/2008/008252A1
A process is disclosed for making RR1R2CCR1R2F wherein R is selected from the group consisting of CH3, CH2F, C2H4F, and F(CF2)nCH2CH2 where n is an integer from 1 to 10, each R1 is independently selected from the group consisting of H, C...  
WO/2008/007012A3
The present invention relates to a method of producing liquid 1,2-dichloroethane (DCE), obtained by direct cold chlorination of ethylene in the presence of a Lewis acid type catalyst, in order to obtain, after separation from the catalys...  
WO/2008/005920A3
Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions typically comprise C2-C6 fluoroolefins. Preferably the compoun...  
WO/2008/005920A2
Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions typically comprise C2-C6 fluoroolefins. Preferably the compoun...  
WO/2008/002500A1
A process is disclosed for the manufacture Of CF3CF=CH2 and CF3CH=CHF. The process involves dehydrofluorinating CF3CHFCH2F in the presence of a dehydrofluorination catalyst to produce a product mixture comprising CF3CF=CH2 and CF3CH=CHF,...  
WO/2008/002501A3
A process is disclosed for making CF3CF=CHF. The process involves reacting CF3CCIFCCI2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF=CHF. The catalyst has a catalytically effectiv...  
WO/2008/002501A2
A process is disclosed for making CF3CF=CHF. The process involves reacting CF3CCIFCCI2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF=CHF. The catalyst has a catalytically effectiv...  
WO/2008/000702A1
Process for the manufacture of 1,2-dichloroethane starting from a stream of ethane according to which: a) the stream of ethane is subjected to a catalytic oxydehydrogenation producing a gas mixture containing ethylene, unconverted ethane...  
WO/2008/001718A1
A novel useful dehydroxylated fluorinating agent which comprises sulfuryl fluoride (SO2F2) and an organic base containing no free hydroxy group in the molecule. With the dehydroxylated fluorinating agent, optically active fluorinated der...  
WO/2008/000705A1
Process for the manufacture of 1,2-dichloroethane starting from a stream of ethane according to which: a) the stream of ethane is subjected to a catalytic oxydehydrogenation producing a gas mixture containing ethylene, unconverted ethane...  
WO/2007/147988A1
The present invention relates to a process for producing pentafluorethane. More particularly, the subject of the invention is a continuous process for producing pentafluorethane comprising (i) a step of fluorinating perchlorethylene (PER...  

Matches 251 - 300 out of 6,279