Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
04/1992
04/30/1992WO1992007111A1 Ternary azeotropic compositions of 43-10mee (cf3chfchfcf2cf3) and trans 1,2-dichloroethylene with methanol or ethanol
04/30/1992WO1992006941A1 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
04/30/1992DE4034123A1 Partially fluorinated alkane derivs. - useful as components of liq. crystal media for electro=optical displays
04/29/1992CN1060686A Ternary azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentance and trans 1,2-dichloroethylene with methanol or ethanol
04/29/1992CN1060649A Vapor phase hydrogenation of carbon tetrachloride
04/29/1992CN1016418B Hydrodehalogenation of cf3ch c1 f in presence of supported pd
04/28/1992CA1299810C Synthetic polymer propellant systems
04/22/1992CN1060505A Binary azeotropic compositions of (cf3chfchfcf2cf3) with methanol or ethanol or isopropanol
04/22/1992CN1060461A Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
04/22/1992CN1016335B Chlorine removal process
04/21/1992CA1299203C Process for producing ethylene dichloride
04/21/1992CA1299202C Synthesis of chloro-1-difluoro-1,1-ethane
04/21/1992CA1299201C Synthesis of perfluoroalkyl bromides
04/16/1992WO1992006060A1 FLUOROCARBONS AND PROCESS FOR PREPARING SAME BY AQUEOUS ACID COUPLING OF IODOFLUOROCARBONS USING Zn OR Cd
04/14/1992US5105034 Thermodecomposition of perfluorocarbides in the presence of diatomic chlorine, bromine or iodine
04/14/1992US5105033 Process for preparing 1,1-dichloro-1-fluoroethane
04/14/1992US5105032 Vapor phase hydrogenation of carbon tetrachloride
04/14/1992US5105000 Abstracting electro-negative elements from hetero-molecules
04/14/1992CA1298827C Catalyst and process for the fluid-bed oxychlorination of ethylene to edc
04/08/1992EP0479644A1 Catalysts containing copper-molybdenum ternary chalcogenides and use thereof in the oxychlorination of hydrocarbons
04/08/1992EP0479116A1 Vapor phase hydrogenation of carbon tetrachloride
04/05/1992CA2052707A1 Vapor phase hydrogenation of carbon tetrachloride
04/03/1992CA2052528A1 Oxichlorination catalysts with molybdenum ternary chalcogenides
03/1992
03/25/1992EP0313604B1 Electro-optical liquid crystal display element
03/24/1992US5099085 Chlorination of hydrocarbons
03/24/1992US5099084 Reaction of hydrogen chloride with perfluoroethylene and oxygen to form hexachloroethane and water, separation and reaction with methane
03/24/1992US5099082 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane separated by solvent extraction
03/24/1992US5099081 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane separated by liquid extraction with alcohol
03/19/1992WO1992004307A1 Method of preparing extensively fluorinated alkyl bromides
03/18/1992EP0475693A1 Process for the regeneration of a fluorination catalyst
03/18/1992EP0475353A1 Stabilisation of CF3-CHCl2 or CClF2-CHClF or their mixture against reactions with refrigerant oils
03/18/1992CN1059511A Process for preparation of 1,1,1,2-tetrafluoroethane
03/17/1992US5097083 Catalytic oxychlorination of perchloroethylene with HCL and oxygen, reacting formed hexachloroethane with ethane to make chlorinated ethanes, chlorinated ethylenes and HCL, recycling isolated perchloroethylene and acid
03/17/1992US5097081 Hydrodechlorination of higher chloromethanes
03/11/1992CN1059334A Catalytic equilibration to increase relative mole fraction of polyfluoroethane in composition
03/10/1992US5094773 Azeotropes of HF and process for the separation of HF via azeotropic distillation
03/08/1992CA2024912A1 Method of recovering hydrocarbon halide
03/05/1992WO1992003397A1 Process for producing trifluorinated hydrocarbon compound
03/05/1992DE4027766A1 Verfahren zur herstellung von weitgehend fluorierten alkylbromiden Process for the preparation of substantially fluorinated alkyl bromides
03/04/1992EP0473105A1 Preparation of pentafluorodichloropropanes
03/01/1992CA2049821A1 Preparation of pentafluorodichloropropanes
02/1992
02/26/1992EP0472391A1 Process for the purification of 1,1,1,2-tetrafluorethane
02/26/1992EP0471987A1 Process and apparatus for the preparation of very pure 1,2-dichlorethane with heat recovery
02/25/1992US5091602 Catalytic reacting pentachloroethane with hydrofluoric acid
02/25/1992US5091601 Reacting perchloroethylene with hydrogen fluoride in vapor phase using chromia catalyst on aluminum fluoride support
02/25/1992US5091600 Heating 1,1,2,2-tetrafluoroethane with chromia fluorination catalyst, forming 1,1,1,2-tetrafluoroethane
02/22/1992CA2049602A1 Separation process
02/20/1992WO1992002476A1 Catalytic equilibration of selected halocarbons
02/20/1992WO1992002475A1 Process for producing highly fluorinated alkyl bromides
02/20/1992CA2089073A1 Process for the preparation of substantially fluorinated alkyl bromides
02/13/1992DE4025227A1 Verfahren zur herstellung von weitgehend fluorierten alkylbromiden Process for the preparation of substantially fluorinated alkyl bromides
02/12/1992EP0470598A1 Photochemical preparation of halogenated compounds
02/11/1992US5087778 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane
02/11/1992US5087776 New perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
02/11/1992US5087765 Process for preparing chlorotrifluoroethylene telomers and new telomers obtained
02/11/1992US5087329 Adding a fluorocarbon extractive agent, distillation and recovering pentafluoroethane overhead
02/10/1992WO1992002666A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane; ethanol; and nitromethane
02/10/1992CA2087847A1 Azeotrope-like compositions of 1,1-dichloro-1-fluroethane; ethanol; and nitromethane
02/06/1992WO1992001659A1 Method of removing chloroprene contained in 1,2-dichloroethane
02/05/1992CN1058388A Chlorinating catalytic process in production of chlorinated wax-70
01/1992
01/27/1992WO1992001762A1 Near-azeotropic blends for use as refrigerants
01/22/1992EP0467531A1 Process for the separation of 1,1,1,2-tetrafluoroethane from mixtures thereof with hydrogen fluoride and/or 1-chloro-2,2-difluoroethylene
01/22/1992CN1058013A Process for preparing 1-chloro-2,2,2-trifluoro-ethane
01/14/1992US5080823 Azeotropic mixture with 1,1,1-trifluoroethane and propane a low boiling point and its applicatons as a refrigerant fluid, as an aerosol propellant, or as a blowing agent for plastic foams
01/08/1992EP0465037A1 Solvent composition
01/08/1992CN1057642A Process and catalyst for chloro-oxidation and use for producing 1,2-dichloroethane
01/02/1992EP0463923A1 Oxychloration process and catalyst; their application to the production of 1,2-dichloroethane
01/02/1992EP0462975A1 Process for purifying 1,1,1,2-tetrafluoroethane.
12/1991
12/30/1991WO1992000263A1 Partially fluorinated alkanes having a tertiary structure
12/30/1991CA2085222A1 Partially fluorinated alkanes having a tertiary structure
12/27/1991EP0462645A1 Process for the preparation of 1,1,1,2-tetrafluorethane
12/27/1991EP0462514A1 Process for preparing 1-chloro-2,2,2-trifluoroethane
12/25/1991CN1057253A Chemical process for 1,1,1,2-tetrafluoroethane
12/24/1991US5075397 Perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
12/19/1991CA2043742A1 Process for preparing 1,1,1,2-tetrafluoroethane
12/18/1991EP0461563A1 Process for the preparation of highly fluorinated alkyl bromides
12/18/1991EP0461431A1 Cylindrically shaped catalyst and use thereof for the oxychloration of ethylen
12/18/1991CN1057047A Fluorination process
12/17/1991US5073651 Brominating a perfluorocarbons iodine in aprotic solvent
12/17/1991US5073291 Chlorine-free solvent extraction; ozone resistance, nonflammable
12/12/1991WO1991018856A1 Methyl alcohol process
12/12/1991WO1991018852A1 Method for preparing 1,1-dichloro-1-fluoroethane
12/12/1991CA2084763A1 Process for the preparation of 1,1-dichloro-1-fluoroethane
12/11/1991EP0460138A1 Method for producing chloroform
12/11/1991CN1056864A Process for reduction of carbon-halogen bond in oxidation-reduction system
12/10/1991US5072062 Bromination method
12/05/1991WO1991018853A1 Fluorination process
12/05/1991CA2100976A1 Fluorination process
12/04/1991CN1014989B Dehydration process of refrigerant r-12
12/04/1991CN1014988B Improved process for mfr. of 1,1,1-trifluorodichloroethy lene and 1,1,1,2-tetrafluorochloroethylene
12/03/1991US5070062 Oxychlorination catalyst, the method for its preparation
11/1991
11/28/1991WO1991017824A1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
11/27/1991EP0312558B1 Perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
11/26/1991US5068475 Process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process
11/26/1991US5068472 Catalytic fluorination of hexachloropropylene with hydrogen fluoride followed by dehydrohalogenation
11/26/1991US5068470 Perfluoroalkenes and fluorination products thereof
11/21/1991EP0457613A1 Method of purifying fluorine-containing fluids and related devices
11/21/1991EP0427782A4 Terminal chlorination of normal alkane hydrocarbons
11/13/1991EP0456552A1 Method for the production of 1,1,1,2-tetrafluoro-chloroethane and pentafluoroethane
11/13/1991EP0455748A1 Manufacture of 1,1,1,2-tetrafluoroethane.
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