Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
10/1992
10/13/1992CA1308743C Gas-phase fluorination process
10/12/1992CA2065885A1 Method for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates
10/12/1992CA2065108A1 Chemical process
10/10/1992WO1992018446A1 Hydrogenolysis of halocarbon mixtures
10/10/1992CA2107802A1 Hydrogenolysis of halocarbon mixtures
10/09/1992CA2065107A1 Production of hydrofluorocarbons
10/07/1992EP0507458A2 Process for the purification of 1,1,1,2-tetrafluoroethane
10/07/1992CN1065025A Apparatus for mixing of low-boiling foaming agent
10/05/1992CA2063697A1 Purification process
10/01/1992WO1992016481A1 Process for the manufacture of 1,1,1,2-tetrafluoroethane
09/1992
09/30/1992EP0506525A1 Process for the preparation of pentafluoroethane by hydrogenolysis of chloropentafluoroethane
09/30/1992CN1064859A Separation process
09/23/1992EP0504315A1 Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
09/23/1992CN1064628A Fluorination catalyst and process
09/19/1992WO1992016197A1 Composition and method containing optically pure (s) metoprolol
09/19/1992CA2106494A1 Composition and method containing optically pure (s) metoprolol
09/16/1992EP0503796A1 Purification of 1,1,1,2-tetrafluoroethane
09/16/1992EP0503793A1 Fluorination of halogenated alkanes using transition metal oxide fluorides
09/16/1992EP0503792A1 Fluorination of halogenated alkanes with high-valent metal fluorides
09/16/1992EP0503771A1 Process for the separation of a product stream comprising fluorocarbons by distillation
09/16/1992EP0503441A1 Stabilization of dichlorotrifluoroethane
09/15/1992CA2062450A1 Purification of 1,1,1,2-tetrafluoroethane
09/15/1992CA2062013A1 Separation process
09/13/1992CA2062443A1 Chemical process
09/13/1992CA2062442A1 Chemical process
09/09/1992EP0502605A1 Fluorination catalyst and process
09/08/1992US5146015 Hydrochlorofluorocarbons having a tertiary structure and OH rate constants which do not contribute substantially to ozone depletion and global warming
09/08/1992US5146013 Process for the production of chloroform from carbon tetrachloride, catalytic compositions and process for obtaining them
09/03/1992WO1992014444A1 Formulations for delivery of drugs by metered dose inhalers with reduced or no chlorofluorocarbon content
09/02/1992EP0501933A2 Process for the purification of fluorine-containing gases
09/02/1992EP0501501A1 Method for the preparation of methyl chloride from carbon tetrachloride and methyl alcohol
08/1992
08/27/1992DE4105921A1 Higher chloromethane(s) prodn. - from methyl chloride obtd. from methanol esterification, by washing with water and alkali and chlorinating at 550-650 deg. C for max. 3 seconds
08/26/1992CN1063864A Method for drying crude gas of difluoro-chloro-bromo-methane
08/20/1992WO1992013817A1 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
08/19/1992EP0499516A1 Process for the synthesis of hydrogeno-perfluoroalkanes
08/19/1992EP0499512A1 Process for the preparation of 1,2-dichloroethane by oxychlorination of ethylene with carbontetrachloride
08/19/1992CN1063676A Process for dechlorine of high-level chloromethane
08/12/1992EP0497990A1 Process for producing trifluorinated hydrocarbon compound
08/11/1992US5138109 Alkylation in presence of liquid catalyst containing aluminum chloride and alkylbenzene
08/05/1992EP0497657A1 Process for recovering antimony containing catalysts, used for the fluorination of halogenated hydrocarbons
08/05/1992CN1063301A Constant boiling compositions of fluorinated hydrocarbons
08/05/1992CN1063300A Constant boiling compositions of fluorinated hydrocarbons
08/04/1992US5136113 Catalytic hydrogenolysis
07/1992
07/31/1992CA2060263A1 Process for recovering antimony used for fluorination of halogenated hydrocarbons
07/29/1992EP0495892A1 Halocarbon hydrogenolysis.
07/22/1992EP0495543A1 Compositions comprising 1,1,1,2-tetrafluoroethane and use of these compositions
07/22/1992EP0495153A1 Process for recovering halogenated hydrocarbons and the like from plastic foams and the like
07/22/1992EP0494994A1 Fluorocarbon purification process.
07/22/1992EP0494975A1 Azeotrope-like compositions of 1,3-dichloro-1,1,2,2,3-pentafluoropropane and 2-methyl-2-propanol.
07/22/1992EP0494894A1 Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene
07/21/1992US5132476 Process for producing C3 -C4 monoalkylchlorides
07/21/1992US5132473 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
07/21/1992CA1305496C Perfluoro-2,3,4-trimethylpentane and process for the preparation thereof
07/19/1992CA2059357A1 Compositions containing 1,1,1,2-tetrafluoroethane, and applications
07/15/1992EP0494474A1 Oxychlorination catalytic composition and ethylene oxychlorination process using this composition
07/14/1992US5129997 Distillation in a rectification column and dilution
07/09/1992WO1992011339A1 Constant boiling compositions of fluorinated hydrocarbons
07/09/1992WO1992011338A1 Constant boiling compositions of fluorinated hydrocarbons
07/08/1992EP0493760A1 Process for the removal of olefinic impurities from partially halogenated fluorochlorocarbons
07/08/1992EP0493594A1 Method of removing chloroprene contained in 1,2-dichloroethane
07/07/1992CA1304749C Process for the co-production of aromatic carboxylates and alkyl iodides
07/07/1992CA1304748C Process for the co-production of aromatic carboxylates and alkyl iodides
07/01/1992EP0492527A1 Process for preparing pentafluorodichloropropanes
07/01/1992EP0492386A1 Process for the preparation of fluorinated derivatives of ethane
06/1992
06/30/1992CA1304396C Process for the co-production of aromatic carboxylate and alkyl iodides
06/30/1992CA1304395C Process for the co-production of aromatic carboxylates and alkyl iodides
06/26/1992CA2058190A1 Process for preparing pentafluorodichloropropanes
06/25/1992WO1992010453A1 Stabilized 1,1-dichloro-1-fluoroethane
06/23/1992US5124503 Dichlorotrifluoroethane stabilized to minimize hydrolysis thereof
06/23/1992US5124495 Selective hydrogenolysis of perhalogenated ethane derivatives
06/23/1992US5124420 Perfluoroalkenes and fluorination products thereof
06/22/1992CA2058278A1 Process for the removal of olefinic impurities from hydrochlorofluorocarbons
06/17/1992EP0490147A2 Preparing isomer free 1,1-dichloro-2,2,3,3,3-pentafluoropropane
06/17/1992EP0490003A1 Process for the elimination of dichloroacetylene from 1,1-dichloro-1-fluoroethane and/or vinylidene chloride
06/16/1992US5122235 Heating at a temperature in the range of from the boiling point of 1,2-dichloroethane to the thermal cracking temperature
06/14/1992WO1992010452A1 Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane
06/14/1992CA2098287A1 Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane
06/13/1992CA2056783A1 Preparing isomer free 1,1-dichloro-2,2,3,3,3-pentafluoropropane
06/10/1992CN1061791A Azeotropic and/or azeotrope-like mixtures and refrigeration or air conditioning systems using them as working fluids
06/09/1992US5120883 Catalytic process for producing CCl3 CF3
06/09/1992US5120523 Method for dissolution of metal
06/09/1992US5120467 Anisotropic compounds and liquid crystal mixtures
06/03/1992CN1061587A Process for separating 1, 1, 1, 2-tetrafluo-roethane
06/02/1992US5118887 Using catalyst obtained by calcining alumina containing fibrils of polytetrafluoroethylene
06/02/1992US5118879 Used in the synthesis of medicinal and agricultural chemicals and water- and oil-repellent agents
06/02/1992US5118359 Method of cleaning using partially fluorinated alkanes having a tertiary structure as solvent
05/1992
05/28/1992WO1992009548A1 Process for producing dichloropentafluoropropane
05/28/1992CA2074515A1 Method for producing dichloropentafluoropropanes
05/27/1992EP0487222A1 Azeotropic compositions of dichloropentafluoropropane and chloroform
05/27/1992CN1016777B Gas-phase hydrofluorination process
05/26/1992US5116799 Oxychlorination of hydrocarbons
05/26/1992US5116525 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
05/26/1992US5116426 Method of cleaning a substrate using a dichloropentafluoropropane
05/20/1992EP0486333A1 Process for the preparation of 1,1,1,2-tetra fluoroethane
05/20/1992EP0486091A1 Process for the preparation of chloroform from carbon tetrachloride, catalytic compositions and process for their preparation
05/17/1992CA2055137A1 Process for the preparation of chloroform from carbon tetrachloride, catalytic compositions and process for their preparation thereof
05/12/1992US5113026 Process for preparation of substantially fluorinated alkyl bromides
05/06/1992EP0483573A1 Azeotropic and/or azeotropelike mixtures and refrigeration or air conditioning systems using them as working fluids
05/05/1992US5110973 Telomeric lubricants, hydraulic fluids, release agents
04/1992
04/30/1992WO1992007112A1 Binary azeotropic compositions of (cf3chfchfcf2cf3) with methanol or ethanol or isopropanol
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