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WO/2006/067191A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step carried out in a cracking oven, thus produ...
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WO/2006/067192A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; ...
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WO/2006/067193A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step performed in a cracking oven, thus producin...
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WO/2006/063069A2 |
Methane is used as the selective dehydrating agent for the production of 2,3,3,3-tetrafluoro-l-propene (R1234yf) from 2,2,3,3,3-pentafluoro-l-propanol. Supported transition metal catalysts are prepared and used for this reaction with hig...
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WO/2006/050215A2 |
1,1,3,3,3-Pentafluoropropene (CF3CH=CF2, HFC-1225zc) can be produced by pyrolyzing 1,1,1,3,3,3-hexafluoropropane (CF3CH2CF3, HFC-236fa) in the absence of dehydrofluorination catalyst at temperatures of from about 700°C to about 1000°C ...
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WO/2006/043946A1 |
The present invention provides a novel method for preparing 4,4,4-trifluorobutane-2-one by providing a fluorobutene selected from the group consisting of 2,4,4,4-tetrafluoro-1-butene, (E)- 1,1,1,3-tetrafluoro-2-butene, (Z)-1,1,1,3-tetraf...
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WO/2006/022763A1 |
A process is disclosed for the manufacture of CHClF2 which involves contacting CHCl3, HF and pentavalent antimony catalyst in the liquid phase; passing reactor vapor effluent to a reflux column to produce a reflux column vapor effluent o...
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WO/2006/009835A1 |
A method of separating at least a first non-fluorous compound from a mixture of compounds including at least the first non-fluorous compound and a second fluorous compound includes: charging the of compounds to a non-fluorous solid (stat...
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WO/2005/123868A1 |
Provided are azeotrope-like compositions comprising pentafluoropropane, methanol, and dichloroethylene, and uses thereof, including use in aerosols, refrigerant compositions, refrigeration systems, and blowing agent compositions.
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WO/2005/110573A1 |
The invention relates to a method for separating product mixtures, particularly while using a membrane distillation column (3), whereby the method can preferably be used for purifying 1,2-dichloroethane. As a result, impurities and/or by...
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WO/2005/108334A1 |
Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X1X2 with a compound of formula (II) CF3CH=CH2 to produce a reaction product comprising a comp...
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WO/2005/108333A1 |
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF3X1 with a compound of CX2H=CHX3, wherein X1, X2, and X3 are each independently selected from the group c...
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WO/2005/108332A1 |
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises reacting a compound of the formula (I) CHFX2 with a compound of formula (II) CH2=CF2 to produce a reaction product comprising a compound of formula (II...
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WO/2005/094993A1 |
The invention relates to a hydrogenation promoter obtained by reacting a palladium compound represented by the general formula: Pd(II)XjLk (wherein L is a mono- or poly-dentate ligand except phosphorus -containing ligands, with the provi...
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WO/2005/092820A2 |
Various 13C and 14C carbon labeled compounds Rf-bCF(U)y(T)z Formula 1A or Rf-bCF2bCF(U)y(T)z Formula 1B wherein Rf is a linear or branched perfluoroalkyl radical Z(CmF2m)-, m is 1, 3 to 20, or a mixture thereof; Z is F when m is 1, and Z...
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WO/2005/080303A1 |
Product stream processing methods, systems, and mixtures are provided. A reaction product stream can have a first amount of a halogen exchange by product and an azeotropic composition of a halogen exchange reaction product and a halogen ...
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WO/2005/074639A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074593A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074637A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074528A2 |
Compositions are provided that can include RF(RT)nQ, formula I (I), formula II (II), and/or RCI(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant -CF3 group, n can be at least 1, the ...
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WO/2005/074594A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol’s, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups wit...
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WO/2005/063670A1 |
The invention relates to the use of compound (Z)-7-cyclohexadecene-1-one as a musk perfume. The invention also relates to mixtures of perfumes or aromatic agents comprising (Z)-7-cyclohexadecene-1-one and to one or more additional perfum...
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WO2005030685B1 |
The invention provides an economic process for the manufacture of the hydrofluorocarbon 1,1,3,3,3-pentafluoropropene (HFC-1225zc). HFC-1225zc can be made from the dehydrochlorination of 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa)....
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WO/2005/047220A1 |
The invention relates to stabilisation of trans-1,2-dichloroethylene (TDCE) for using said agent for treating solid surfaces. A stabilised solution comprises at least one type of acid scavenger, at least one radical trap, at least one Le...
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WO/2005/047219A1 |
The invention relates to a method of producing 1,1-difluoroethane by liquid-phase fluorination of 1,2-dichloroethane using hydrofluoric acid, in the presence of a Lewis acid catalyst and a FeCl3 co-catalyst. The invention also relates to...
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WO/2005/042452A1 |
The present invention relates to a process for the production of vinyl chloride by thermal cracking of 1,2-dichloroethane (EDC) to form a reaction mixture containing vinyl chloride (VCM), hydrogen chloride (HCI), unconverted 1,2-dichloro...
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WO/2005/042451A2 |
Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY=CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fluorine...
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WO/2005/035640A1 |
Azeotrope-like compositions comprising hexafluoropropylene dimer and a hydrocarbon or a hydrofluorocarbon, and uses thereof, are described.
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WO/2005/014168A1 |
Process for regenerating a spent hydrogenation catalyst comprising at least one catalytic metal selected from the group consisting of Ru, Rh, Pd, Os, Ir and Pt on an inert support, the said process essentially consisting of a thermal tre...
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WO/2005/012212A2 |
The invention provides an economic process for the manufacture of 1,3,3,3tetrafluoropropene (HFC-1234ze) by a two stage process. A hydr6fluorination of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd) into 1-chloro.-1,3,3,3 tetrafluoropropa...
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WO/2004/103938A1 |
Provided is a chemical recycling technique by which low -molecular tetrafluoroethylene monomer and dimer can be recovered from PTFE-containing materials without troubles due to the use of steam. A chemical recycling process for recoverin...
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WO/2004/099109A1 |
Provided are azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene that are useful as an intermediate in the production of HFC-245fa. HFC-245fa is useful as a nontoxic, zero...
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WO/2004/096737A2 |
The present invention provides novel compounds, 2, 4,4,4-tetrafluoro-1-butene and (E)- and (Z)-1,1,1,3-tetrafluoro-2 butenes. Furthermore, the present invention provides the following novel first and second processes for producing 2,4,4,...
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WO/2004/080937A1 |
A process is disclosed for the conversion of fluorocarbons into fluorinated unsaturated compounds useful as monomers or other chemical precursors, such as C2H2F2. The process comprises reacting a hydrocarbon feed (20) and a fluorocarbon ...
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WO/2004/061160A1 |
A process for manufacturing fluoroolefins comprising perfluorinating a starting material comprising at least one carbon-bonded hydrogen by electrochemical fluorination, dissociating this separated effluent in a pyrolysis, quenching and s...
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WO/2004/060842A1 |
Methods and materials are disclosed for the conversion hydrofluorocarbons. More specifically methods and materials are provided for converting hydrofluorocarbons such as HFC-227, HFC-236, HFC-245, HFC-125, HFC-134, HFC-143, HFC-152, HFC-...
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WO/2004/037752A2 |
Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene ('HFO-1243zf'), 1,1-difluoroethane ('HFC-152a'), trans-1,3,3,3-tetrafluoropropene ...
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WO/2004/037913A2 |
The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, ...
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WO/2004/018397A1 |
A process for the preparation of 2-chloro-1,1,1,3,3,3-heptafluoropropane is disclosed which involves (a) contacting a mixture comprising hydrogen fluoride, chlorine, and at least one starting material selected from the group consisting o...
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WO/2004/018093A2 |
A crystalline alpha-chromium oxide where from about 0.05 atom % to about 6 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by trivalent cobalt (Co+3) atoms is disclosed. Also disclosed is a chromium-containi...
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WO/2004/013094A2 |
One aspect of the present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-sulfur bond b...
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WO/2004/008515A1 |
A method of dry etching, comprising exposing a resist film to radiation of 195 nm or less wavelength so as to form a resist pattern of 200 nm or less minimum line width and subjecting the resist pattern to dry etching using a fluorinated...
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WO/2004/007424A1 |
The invention relates to a method of preparing a high-purity nitrophenol and, more specifically, p-nitrophenol from a nitrohalobenzene. The inventive method comprises the following steps: (a) hydrolysis of a nitrohalobenzene compound by ...
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WO/2004/002929A1 |
The present invention relates to the process of pyrolyzing tetrafluoroethylene to hexafluoropropylene by carrying out the pyrolysis in a tubular reactor that is lined with either nickel or nickel alloy which contains no greater than 8 wt...
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WO/2003/097588A2 |
Hexafluoroisobutylene and its higher homologs are easily reacted with SO3 to give fluorosulfates of the formula CH2=C(R)CF2OSO2F, wherein R is a linear, branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon atoms and may conta...
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WO/2003/095401A1 |
The invention relates to a method for the production of substituted trifluoroethylenes, wherein a compound of formula (II), wherein R represents optionally carboxy, halogen, C1-C6-alkoxy, C1-C6-alkoxycarbonyl or C1-C4-alkylcarbonyloxy su...
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WO/2003/095395A1 |
The invention relates to a method for the production of substituted trifluoroethylenes, wherein a compound of formula (II) wherein R represents optionally carboxy, halogen, C1-C6-alkoxy, C1-C6-alkoxycarbonyl or C1-C4-alkylcarbonyloxy sub...
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WO/2003/087024A1 |
Ropargyl bromide is effectively stabilized against shock or thermal decomposition by use therewith of an environmentally acceptable inert liquid solvent that forms an azeotrope with propargyl bromide.
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WO/2003/068718A2 |
The present invention embodies halogenated compounds that can be used as monomer units in a variety of polymeric compositions. Processes for making the monomers and polymers are provided.
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WO/2003/066580A1 |
The present invention relates to a process wherein a cyclic carbonate compound is reacted with a compound containing a nucleophilic group, especially an amine group, in the presence of a catalyst comprising a lithium compound. Such react...
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