Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
10/2000
10/25/2000CN1057750C Production of difluoromethanen
10/18/2000EP1044950A1 Method and device for the preparation of 1,2-dichloroethane
10/18/2000EP0760825B1 Polymerization and telomerization of vinyl monomers with fluorinated carbon as initiator
10/18/2000CN1270156A Process for purifying trifluorobichloroethane
10/18/2000CN1057516C Process for manufacture of pentafluoroethane
10/17/2000CA2026576C Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture
10/12/2000WO2000059850A1 Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropane
10/12/2000CA2369943A1 Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropane
10/11/2000EP1042256A1 Process for the preparation of difluoromethane
10/11/2000CN1057331C Cleaning compositions
10/10/2000CA2039196C Chemical process
10/05/2000WO2000058241A1 Preparation of selectively fluorinated organic compounds
10/04/2000CN1268501A Method for simultaneously producing pentafluoroethane and tetrafluorochloroethane
10/03/2000US6127587 Fluorination process
10/03/2000US6127586 Contacting a perhaloethylene or pentahaloethane with hydrogen fluoride in the liquid or vapour phase in the presence of a fluorination catalyst
09/2000
09/28/2000WO2000056834A1 Compositions of difluoromethane, pentafluoroethane, 1,1,1,2-tetrafluoroethane and hydrocarbons
09/28/2000WO2000056833A1 Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane
09/28/2000WO2000056687A1 Method for separating hydrogen fluoride from its mixtures with 1,1,1,3,3-pentafluorobutane and method for making 1,1,1,3,3-pentafluorobutane
09/27/2000EP1038858A1 Process for the preparation of pentafluoroethane, fluorination catalysts and process for the preparation thereof
09/27/2000EP1038857A1 Process for the separation of mixtures containing hydrogen fluoride and 1,1,1,3,3-pentafluorobutane and process for the preparation of 1,1,1,3,3-pentafluorobutane
09/21/2000WO2000055107A1 Method of producing ethylene (di)chloride (edc)
09/21/2000DE19910964A1 Verfahren zur Herstellung von Ethylendichlorid (EDC) A process for the production of ethylene dichloride (EDC)
09/20/2000EP0850210B1 Process for the preparation of halogenated alkanes
09/19/2000US6121212 Lubricant for improved gliding properties of skis and its application in skiing
09/19/2000CA2036570C Mixtures of dimethylether and of 1,1,1,2-tetrafluoroethane, and their applications
09/14/2000WO2000053549A1 Method of producing fluorinated compounds
09/13/2000EP1034157A1 Preparation of fluorine-containing organic compounds
09/13/2000EP1034156A2 Method of producing hydrofluorocarbons
09/13/2000CN1266046A Process for drying difluoromethane
09/12/2000US6118033 Method for preparing heptafluoropropane
09/06/2000EP1032551A1 Process for separating hydrogen fluoride from fluorocarbons
09/06/2000EP1032357A1 Use of fluorinated solvents for the formulation of hair lotions
09/06/2000CN1265389A Method for preparation of 1,2-dichloroethane by oxidative chlorination
08/2000
08/31/2000DE19904836C1 Verfahren zur Herstellung von 1,2-Dichlorethan A process for the preparation of 1,2-dichloroethane
08/30/2000EP1030818A1 Process for purifying perfluorinated products
08/30/2000EP0874794B1 Manufacture of 1,1-difluoroethane
08/30/2000EP0763004B1 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with hf
08/29/2000US6111153 Process for manufacturing methyl chloride
08/29/2000US6111151 Separating lighter tops stream comprising hydrogen fluoride and lighter boiling organic components from heavy bottoms stream comprising hydrogen fluoride, water and heavier organic components, feeding heavy stream to phase separator as liquid
08/29/2000US6111150 Adding hydrogen fluoride to 1,3,3,3-tetrafluoropropene in liquid phase in presence of hydrohalogenation catalyst
08/22/2000US6107529 Purification of 1,1,1,2-tetrafluoroethane
08/22/2000US6107495 Thienylcyclohexane derivatives for thienylcyclohexyl synthesis
08/17/2000DE19903335A1 Verfahren für die Herstellung von 1,2-Dichlorethan aus der Oxichlorierung A process for the production of 1,2-dichloroethane from the oxychlorination
08/16/2000EP1028152A2 Compositions of a hydrofluorocarbon and a hydrocarbon
08/16/2000EP1027313A1 Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride
08/16/2000EP0822171B1 Method of inhibiting decomposition of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,3,3-pentafluoropropane and decomposition inhibitor
08/16/2000EP0808300B1 Method for purifying pentafluoroethane
08/16/2000CN1263080A Preparation method of halohydrocarbon
08/15/2000US6103945 Process for converting the low-boiling by-products formed during the thermal cracking of 1,2-dichloroethane
08/15/2000US6103944 Water present in hot gaseous product stream from a reactor system containing hydrogen fluoride is separated from the stream by contacting with liquid hydrogen fluoride in distillation column
08/15/2000US6103684 Azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications
08/09/2000EP1026138A1 Process for the preparation of 1,2-dichloroethane
08/08/2000US6099694 Azeotrope-like compositions of difluoromethane and chlorine
08/02/2000EP1024125A1 Process for producing 1,1,1,2,2-pentafluoroethane
08/02/2000EP1024124A1 Process for the preparation of 1,1,1,2,2-pentafluoroethane
08/02/2000EP1023939A1 Process for producing 1,2-Dichloroethane by oxychlorination
08/02/2000EP1023252A1 Thermal process for the preparation of a telomeric alkyl iodide
08/02/2000CN1261871A Continuous method for producing pentafluoroethyl iodide
07/2000
07/26/2000EP1021390A1 Production of chloro-2,2,2-trifluoroethane
07/26/2000CN1261339A Method for preparing 1,1,1,3,3-pentachlorobutane
07/26/2000CN1261338A Method for preparing halogenated hydrocarbons
07/26/2000CN1261337A Process for preparing hydrofluorocarbons
07/26/2000CN1054833C Preparation of fluorinated methanes
07/25/2000US6093860 Method for producing perfluoro(n-pentane)
07/25/2000US6093859 By dehydrofluorinating 1,1,1,3,3,3-hexafluoropropane at high temperature in vapor phase over a catalyst selected for a given aluminum:(magnesium + zinc) atomic ratio to produce 1,1,3,3,3-pentafluoropropene and catalytically hydrogenating
07/25/2000US6093340 Use of mixtures based on difluoromethane and on pentafluorethane as cryogenic fluids in very low temperature refrigeration
07/19/2000EP1020222A2 Catalytic composition for controlling exothermic reactions on a fixed bed
07/19/2000CN1260348A Hydrolysis subsequent procedure in synthesis of glyphosphonic acid
07/19/2000CN1260237A Catalyst conducting exothermic reaction using fixed bed
07/08/2000CA2293983A1 Catalyst for exothermic reactions on a fixed bed
07/06/2000DE19916753C1 Production of 1,2-dichloroethane, used in the manufacture of vinyl chloride, by reaction of chlorine and ethylene in plant including a downdraft evaporator
07/05/2000EP0882138B1 Stereoselective preparation of 2-substituted succinic derivatives
07/05/2000CN1258565A Catalyst for making ethylene oxo-chlorination to 1,2-dichloroethane
06/2000
06/29/2000WO2000037401A1 Method for separating a mixture comprising at least an hydrofluoroalkane and hydrogen fluoride, methods for preparing a hydrofluoroalkane and azeotropic compositions
06/27/2000US6080900 Process for fluorinating halogenated hydrocarbon
06/27/2000US6080799 Foamed plastic blowing agent; nonflammable, low temperature insulation
06/22/2000WO2000036046A1 Compositions comprising 1,1,1,3,3-pentafluorobutane and use of said compositions
06/22/2000WO2000035839A1 Process for addition of haloalkanes to alkenes catalyzed by an organophosphite compound
06/20/2000US6077982 Photochlorination of 1-chloro-3,3,3-trifluoropropene or other olefinic impurities by convertion to trichlorotrifluoropropane or other propane which contains greater amounts of chlorine
06/15/2000WO2000034216A1 Process for preparing trichloroalkane derivatives
06/14/2000EP1008576A1 Method for drying difluoromethane
06/14/2000EP1008234A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures
06/14/2000EP0734367B1 Process for fluorinated propanes and pentanes
06/14/2000EP0687287B1 Fluoroiodocarbon blends as cfc and halon replacements
06/14/2000CN1053495C Method and apparatus for recovering, reclaiming and filling freon for air conditioner
06/13/2000US6074985 Fluorination catalysts
06/07/2000EP0851848B1 Method for preparing heptafluoropropane
06/07/2000CN1255656A Anchoring roller for electronic photographic device and prodn. method
06/06/2000US6072088 Conveniently-functionalized aliphatic compounds bearing two terminal trifluoromethyl groups
05/2000
05/31/2000EP1003699A1 Purification of difluoromethane by extractive distillation
05/31/2000CN2380567Y 反应器 Reactor
05/25/2000WO2000029361A1 Azeotropic composition comprising 1,1,1,3,3-pentafluoropropane and 1,1,1-trifluoro-3-chloro-2-propene, method of separation and purification of the same, and process for producing 1,1,1,3,3-pentafluoropropane and 1,1,1-trifluoro-3-chloro-2-propene
05/25/2000DE19849709A1 Wirbelschicht-Reaktor zur Oxichlorierung von Ethylen, Sauerstoff und HCI Fluidized-bed reactor for the oxychlorination of ethylene, oxygen and HCI
05/24/2000EP1002781A1 Fluorinated propanes and pentanes
05/24/2000EP1002576A1 Copper-based catalyst for the oxychlorination of the ethylene to 1,2-dichloroethane
05/24/2000EP1001923A1 Method for preparing halogenated hydrocarbons
05/24/2000EP0773207B1 Method of purifying pentafluoroethane
05/24/2000CN1254329A CO2 removal from fluorocarbons by semipermeable membrane
05/23/2000US6066769 Pre-fluorinating a chlorinated propane compound of given formula in a first step and completing the fluorination in a second, vapor phase step
05/23/2000US6066768 Composition of at least one of a specific group of perchlorofluorobutanes, perchlorofluorohexanes, and chlorofluorinated butane and hexane compounds
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