Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
10/1994
10/13/1994WO1994022796A1 Azeotropic mixture composed of 1,1-difluoroethane and hydrogen fluoride and process for producing 1,1-difluoroethane
10/13/1994WO1994022794A1 Continuous process for purifying perfluorochemical compositions
10/13/1994WO1994022793A1 Separation of chloropentafluoroethane from pentafluoroethane
10/12/1994EP0619357A1 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with dichlorotrifluoroethane
10/12/1994EP0619356A1 Compositions consisting of hydrogenated fluorocarbons
10/12/1994EP0619287A1 Preparation of perfluoralkanes
10/12/1994EP0618888A1 Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane.
10/11/1994US5354928 Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and of pentafluoroethane
10/06/1994CA2120584A1 Compositions consisting of hydrogenated fluorocarbons
10/05/1994EP0618288A1 Compositions comprising pentafluorobutane and use thereof
10/05/1994EP0618181A1 Azeotropic compositions comprising water and a hydrofluoroalkane, process for the elimination of water from a solution by a zeotropic distillation and process for the preparation of a hydrofluoroalkane
10/05/1994EP0563292B1 Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane
10/05/1994CN1026101C Process for preparing pentafluorodichloropropanes
10/04/1994US5352785 Mixing with alkanol stabilizer and aqueous solution of base to form fluoride salt by product and fluoroolefins and finally alkoxyvinyl ethers
09/1994
09/29/1994WO1994021745A1 Azeotrope-like compositions of 1,1,1,2,3,3,3-heptafluoropropane and 1,1-difluoroethane
09/29/1994WO1994021714A1 Fluororesin molding and process for producing the same
09/29/1994WO1994021580A1 Production of difluoromethane
09/29/1994WO1994021579A1 Production of difluoromethane
09/29/1994CA2158433A1 Fluorine-containing resin molded article and preparation of same
09/29/1994CA2157781A1 Azeotrope-like compositions of 1,1,1,2,3,3,3-heptafluoropropane and 1,1-difluoroethane
09/28/1994CN1092742A Fluorated carbon article, production and application of same
09/21/1994EP0615538A1 Refrigerant compositions and processes for using same
09/21/1994EP0451199B1 Processes using aluminum fluoride catalyst compositions for preparing haloethanes containing fluoride
09/20/1994US5348681 Composition based on 1,1,1,3,3-pentafluorobutane and methylene chloride, for the cleaning and/or drying of solid surfaces
09/20/1994US5348677 Electro-optical liquid crystal display element
09/15/1994WO1994020588A1 Fluoroiodocarbon blends as cfc and halon replacements
09/15/1994WO1994020587A1 Compositions including a hexafluoropropane
09/15/1994WO1994020441A1 Process for producing 1,1,1,2,2-pentafluoroethane, process for producing 2,2-dichloro-1,1,1-trifluoroethane, and method of purifying 1,1,1,2,2-pentafluoroethane
09/13/1994US5347060 Phase-transfer catalysis with onium-containing synthetic mesoporous crystalline material
09/13/1994US5347059 Reacting hexachloropropane with hydrogen fluoride
09/13/1994US5346595 Process for the purification of a pentafluoroethane azeotrope
09/13/1994US5346594 Process for the purification of 1,1-dichloro-1-fluoroethane
09/07/1994EP0530238B1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
09/06/1994US5345017 Removal of fluorine and reaction with hydrogen chloride
09/06/1994US5345015 Process for producing 1,1,2-tetrafluoroethane
09/06/1994US5345014 Process for preparing pentafluoroethane by dismutation of tetrafluorochloroethane
09/06/1994US5344998 From formaldehyde and hydrogen fluoride
09/01/1994WO1994019301A1 Purification of a component of a binary azeotrope
08/1994
08/31/1994EP0612709A1 Purification of pentafluoroethane
08/31/1994EP0612309A1 Production of bis(fluoromethyl)ether and/or difluoromethane from formaldehyde and hydrogen fluoride.
08/25/1994CA2115975A1 Pentafluoroethane purification
08/24/1994EP0611744A1 Process for the preparation of 1,1,1,3,3-pentafluoropropane
08/24/1994CN1091057A Catalyst production
08/23/1994US5340490 Azeotrope-like compositions of trifluoromethane and carbon dioxide or hexafluoroethane and carbon dioxide
08/18/1994WO1994018282A1 Compositions of a hydrofluorocarbon and a hydrocarbon
08/17/1994EP0610963A2 Process for preparing 1,1,1,2-tetrafluoroethane
08/17/1994EP0610424A1 Compositions of difluoromethane and tetrafluoroethane
08/17/1994EP0425540B1 Catalyzed hydrofluorination process
08/17/1994EP0425538B1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES
08/10/1994EP0609200A1 Direct fluorination process for making perfluorinated organic substances
08/09/1994US5336818 Reacting substantially fluorinated alkyl iodides with organic bromine compounds
08/09/1994US5336817 From fluorodichloroethylene using niobium, tantalum, or molybdenum fluorosulfonate catalyst
08/09/1994US5336816 Reacting vinylidene chloride with hydrogen fluoride in the liquid phase; catalyst and solvent
08/09/1994US5336377 Contact with chlorine in presence of ultraviolet light
08/04/1994WO1994017020A1 Process for producing 1,1,1,4,4,4-hexafluoro-2-butenes and 1,1,1,4,4,4-hexafluorobutane
08/04/1994WO1994017019A1 Process and device for preparing 1,2-dichlorethane by direct chlorination
08/03/1994EP0609124A1 Process for the preparation of 1,1,1,2-tetrafluoro-2-chloroethan and pentafluorethane
08/03/1994EP0609123A1 Process for the fluorination of perchloroethylene or pentachloroethane
08/03/1994EP0608346A1 Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones.
08/02/1994US5334789 Oxychlorination of olefin or aromatic hydrocarbon with oxygen and hydrogen chloride in presence of catalyst containing compounds of palladium, copper, vanadium on carrier
08/02/1994US5334788 Reaction of substrate compounds with fluorine in an eductor
08/02/1994US5334787 Process for the manufacture of pentafluoroethane
08/02/1994US5334786 Fluorinating trichloroethylene with hydrogen fluoride in presence of catalyst forming 1,1,1-trifluorochloroethane, catalyticaly reacting intermediate with hydrogen fluoride forming end product and 1,1-difluorochloroethylene by-product
08/02/1994US5334784 Water separation process
07/1994
07/28/1994DE3800521C1 Verfahren zur Abschirmung ruhender oder bewegter Zielobjekte Method for shielding a static or moving targets
07/21/1994WO1994016029A1 Refrigerant compositions which include a sulphur compound
07/21/1994WO1994009625A3 Stabilization of fluorocarbon emulsions
07/20/1994EP0606482A1 Method of removing hydrogen fluoride
07/20/1994EP0606360A1 Substantially constant boiling compositions of difluoromethane and trifluoroethane or perfluoroethane
07/20/1994EP0606342A1 Novel compositions comprising pentafluoroethane and monochlorodifluoromethane
07/20/1994EP0606334A1 Azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichloroethane.
07/20/1994EP0452363B1 Aluminum fluoride catalyst and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
07/19/1994CA1330808C Chemical process
07/13/1994EP0605683A1 Production of tetrafluoroethanes.
07/13/1994CN1089252A Purification of perfluorcarbon and application of purified perfluorcarbon
07/12/1994US5328571 Electrolytic decarboxylation of perfluro-alkanecarboxylic acids in aqueous electrolyte in the presence of bromine and aliphatic nitrile
07/07/1994WO1994014737A1 Process for producing 1,1,2,2,3-pentafluoropropane
07/07/1994WO1994014736A1 Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene
07/06/1994CN1088903A Separation of tetrafluoroethane isomers
07/06/1994CN1025325C Process for preparing 1,1,1,2-tetrafluoroethane
07/06/1994CN1025324C Process for producing 1,2-dichloroethane by oxychlorination
07/05/1994US5326918 Purification of 1,1-dichloro-1-fluoroethane
07/05/1994US5326914 Homogeneous catalytic hydrodechlorination of chlorocarbons
07/05/1994US5326913 Process for preparing fluorinated compound
06/1994
06/29/1994EP0604256A1 Synthesis of a perfluoroalkylbromide by photochemical bromination of the corresponding iodide
06/29/1994CN1025214C Halohydrocarbon mixture for use ad treezing-mixture
06/28/1994US5324873 Cooling, settling and separating liquid mixtures containing varying amounts of hydrogen fluoride
06/23/1994WO1994013857A1 Electrochemical fluorination
06/23/1994WO1994013609A1 Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
06/23/1994WO1994013608A1 Process for reducing the fluorine content of halocarbons
06/23/1994WO1994013607A1 Method for preparing 1,1-dichloro-1-fluoroethane
06/23/1994CA2129363A1 Method of preparing 1,1-dichloro-1-fluoroethane
06/22/1994EP0602133A1 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions
06/22/1994CN1088196A Process for producing 1,1,1,2-tetrafluoroethane
06/22/1994CN1088195A Process for removal of hydrogen fluoride
06/21/1994CA1330351C Perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
06/18/1994CA2111613A1 Perfluoroalkyl bromide synthesis by photochemical bromination of the corresponding iodide
06/15/1994EP0602022A2 Near-azeotropic blends for use as refrigerants
06/15/1994EP0601458A2 Separation process
06/15/1994EP0601373A1 Process for separating hydrogen fluoride from its mixtures with chlorofluorohydrocarbons 123 and/or 124
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