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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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WO/2008/027604A2 |
RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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WO/2007/138209A1 |
The invention relates to a method for producing pentafluoroethane, and especially to a method comprising (i) a step during which perchloroethylene and optionally 2,2-dichloro-1,1,1-trifluoroethane and/or 2-chloro-1,1,1,2-tetrafluoroethan...
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WO/2007/138210A1 |
The invention relates to a method for producing hydrofluorocarbons. Said method comprises a step of reacting at least one hydro(fluoro)chlorocarbon or chlorocarbon with hydrofluoric acid in a gaseous phase in the presence of a catalyst, ...
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WO/2007/125975A1 |
Disclosed is a method for commercially producing 1,2,3,4-tetrachlorohexafluorobutane safely with high yield at low cost. Specifically disclosed is a method for producing 1,2,3,4-tetrachlorohexafluorobutane, which is characterized by comp...
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WO/2007/110377A1 |
Process for the manufacture of 1,1,1,3,3-pentafluoropropane A process for the manufacture of 1,1,1,3,3-pentafluoropropane, which comprises reacting 1,1,1,3,3,3-hexafluoropropane with a source of hydrogen.
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WO/2007/110379A1 |
A process for the manufacture of 1,1,1,3,3-pentafluoropropane which comprises adding hydrogen fluoride to 1,1,1,3-tetrafluoropropene in the substantial absence of metal catalyst. Another embodiment provides for the manufacture of 1,1,1,3...
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WO/2007/102371A1 |
Disclosed is a terminally iodized polyfluoroalkane oligomer represented by the following general formula [I]: CnF2n+1(CH2CF2)s+p(CF2CF2)t+rI (wherein n is an integer of 1-6, s + p is an integer of 1-4 representing the number of vinyliden...
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WO/2007/091009A2 |
It comprises a process for the production of delmopinol or a pharmaceutically acceptable salt and/or a solvate thereof, by subjecting the compound of formula (II) where R1 and R2 are the same or different, independently selected from the...
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WO/2007/089386A2 |
Fluorination reactions in which an organic compound to be fluorinated is contacted with elemental fluorine and HF is produced as a byproduct are disclosed, wherein the elemental fluorine is contacted, with the organic compound in the pre...
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WO/2007/069043A2 |
A method and an apparatus for preparing [11C]methyl iodide from [11C]methane and iodine in a single pass through a non-thermal plasma reactor has been developed. The plasma was created by applying high voltage (400 V / 31 kHz) to electro...
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WO/2007/068965A2 |
A process for the production of dichlorotrifluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride (HF) at elevated temperature in the vapour phase in at least one reactor in the presence of a f...
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WO/2007/068962A2 |
A process for the production of pentafluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride in the vapour phase in a first reactor or a first plurality of reactors in the presence of a fluorina...
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WO/2007/068967A1 |
A process for the production of dichlorotrifluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride (HF) at elevated temperature in the vapour phase in at least one reactor in the presence of a f...
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WO/2007/068964A2 |
A process for the production of dichlorotrifluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride in the vapour phase at elevated temperature in at least one reactor in the presence of a fluori...
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WO/2007/066021A2 |
The invention relates to a method for continuously fluorinating a gaseous perchloroethylene in a single step with a hydrofluoric acid (HF) in thwe presence of a catalyst in such a way that a pentafluoroethane is obtainable in the form of...
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WO/2007/058836A2 |
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 ...
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WO/2007/056128A1 |
Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m (I) to at least one compound of formula (II) CF3C...
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WO/2007/055822A2 |
Fluorinated paracyclophane compounds are disclosed. These compounds can have a trifluorinated moiety and can be utilized as precursor dimer compounds to produce polymeric coatings comprising copolymers of trifluorinated paraxylylene.
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WO/2007/056194A1 |
Disclosed are methods for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CHXCH2X (I) to at least one compound of formula (II) CF3CZCH...
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