Patents
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Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
11/1991
11/13/1991CN1056115A Halocarbon blends
11/12/1991US5064560 Ternary azeotropic compositions of 43-10mee (CF3 CHFCHFCH2 CF.sub.
11/12/1991US5064559 Solvent cleaning printed circuits, refrigerants, heating media, blowing agents, aerosol propellants
11/06/1991EP0455547A1 Process for the dechlorination of higher chloromethanes
11/06/1991EP0453502A4 Process for the chlorination of ethane
10/1991
10/30/1991EP0454557A1 Methane oxyhydro-chlorination process
10/30/1991EP0453944A1 Catalytic system and 1,2-dichloroethane preparation process by chlorination of ethylen with addition of this catalytic system
10/30/1991EP0453502A1 Process for the chlorination of ethane.
10/30/1991EP0452348A4 Process for the chlorination of methane
10/29/1991US5061394 Refrigerants, aerosol propellants, blowing agents; environmentally safe substitutes for freons"
10/28/1991CA2041034A1 Catalysts for oxyhydrochlorination of methane
10/26/1991WO1991016390A1 Halocarbon blends
10/26/1991CA2079776A1 Halocarbon blends
10/23/1991EP0452909A2 Method of purifying non-converted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process
10/23/1991EP0452363A1 Aluminum fluoride catalyst and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane.
10/23/1991EP0452348A1 Process for the chlorination of methane.
10/23/1991CN1055534A Process for preparing 1,1,1-trifluorochloro-ethane and 1,1,1,2-tetrafluoroethane
10/23/1991CN1014404B Gas-phase fluorination process
10/22/1991US5059729 Process for preparing 1,2-difluoroethane and 1,1,2-trifluoroethane
10/22/1991US5059728 Solvents; industrial cleaning applications
10/17/1991WO1991015445A1 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane
10/17/1991CA2078224A1 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane
10/16/1991EP0451793A2 Method for the production of mixtures of chlorotetrafluoroethane and octafluorocyclobutane
10/16/1991EP0451746A2 Method for the production of fluorine containing ethane derivatives
10/16/1991EP0451199A1 Processes using aluminum fluoride catalyst compositions for preparing haloethanes containing fluoride.
10/16/1991EP0451149A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, and methanol or ethanol
10/16/1991CN1055354A Process for isomerization of hydrochloro-fluorocarbons
10/15/1991US5057634 Multistep synthesis of hexafluoropropylene
10/15/1991US5057633 Reacting perfluorosulfonyl chloride with
10/15/1991US5057470 Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
10/09/1991EP0451016A1 Low boiling azeotropic mixture and its uses as refrigerant fluid-aerosol propellant or expansion agent for plastic foams
10/09/1991EP0450584A1 Bromination method
10/09/1991EP0450467A2 Process for isomerization of hydrochlorofluorocarbons
10/09/1991EP0449977A1 Improved hydrogenolysis/dehydrohalogenation process.
10/08/1991CA1290351C Process for preparing 1,1,1-trifluoro-2,2- dichloroethane by hydrofluorination in the presence of catalysts
10/07/1991CA2038081A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038062A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038061A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038052A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038050A1 Azeotropes and the use thereof in the production of rigid foams
10/03/1991CA2039329A1 Azeotropic mixture having a low boiling point, and uses of same as aerosol propellant, or plastic foam expanding agent
10/02/1991EP0449617A2 Process for the preparation of 1,1,1,2-tetrafluorethane
10/02/1991EP0449614A2 Process for the preparation of 1,1,1,2-tetra-fluoroethane
10/02/1991CN1054970A Halogen exchange fluorination
10/01/1991US5053567 Vapor phase, using copper catalyst
10/01/1991US5053564 Selective hydrogenolysis of perhalogenated ethane derivatives
10/01/1991CA2039430A1 Process for isomerization of hydrochlorofluorocarbons
10/01/1991CA1289730C Phase transfer catalysis
09/1991
09/25/1991EP0422203A4 Liquid feed injection in a chloromethanes process
09/25/1991CN1054793A Ternavy azeotropic compositions of dichloropenta fluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
09/25/1991CN1054792A Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/25/1991CN1054790A Azeotropic compositions of perfluoro-1, 2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/25/1991CN1054764A Improved catalyst and process for fluid-bed oxychlorination of ethylene to edc.
09/25/1991CN1014055B Process for removal of organochlorine compounds from the offgas from the oxidation of ethylene
09/24/1991US5051535 Process for the preparation of extensively fluorinated aliphatic hydrocarbons having 1 or 2 bromine or chlorine atoms in the molecule
09/21/1991WO1991014666A1 Halogen exchange fluorination
09/21/1991CA2077911A1 Halogen exchange fluorination
09/19/1991WO1991013968A1 Azeotropic composition of 1,1,1,2-tetrafluoroethane and dimethyl ether
09/19/1991WO1991013967A1 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/19/1991WO1991013934A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
09/19/1991WO1991013932A1 Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether
09/18/1991EP0446869A1 Process for preparing 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane
09/18/1991CN1054582A Halogen exchange fluorination
09/13/1991WO1991013946A1 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/13/1991CA2077913A1 Azeotropic compositions of perefluoro-1,2- dimethylcyclobutane with 1,1-dichloro-1- fluoroethane or dichlorotrifluoroethane
09/13/1991CA2077912A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2- dichloroethylene with methanol or ethanol or isopropanol
09/11/1991EP0445560A2 Process for preparing ethane derivatives
09/11/1991EP0445438A1 Azeotrope-like solvents mixture and process for cleaning electronic components using them
09/04/1991EP0444752A1 Agents affording sliding characteristics
09/03/1991WO1991013048A1 Halogen exchange fluorination
09/03/1991CA2077455A1 Halogen exchange fluorination
08/1991
08/29/1991DE4005944A1 1,1,1-Tri:fluoro-2,2-di:chloro-ethane prepn. - by liq.-phase hydrofluorination, esp. of per-chloro-ethylene, in presence of antimony penta:halide-hydrogen fluoride addn. prod.
08/28/1991EP0443912A1 Mixtures of dimethylether and 1,1,1,2-tetrafluoroethane and their applications
08/28/1991EP0443071A1 Process and catalyst for hydrochlorination of hydrocarbons
08/28/1991CN1054059A Halogen exchange fluorination
08/28/1991CN1013670B Synthesis for perfluoroalkyl bromide
08/28/1991CN1013669B Synthesis of 1-chloro-1, 1-difluoroethane
08/28/1991CN1013668B Improved catalyst and process for the fluid-bed oxychlorination of ethylene to edc
08/27/1991US5043491 Chlorofluorination, hydrodehalogenation with metal containing catalyst
08/22/1991WO1991012225A1 Halogen exchange fluorination
08/21/1991EP0442400A1 Process for preparing substantially fluorinated aliphatic hydrocarbons containing 1 or 2 bromo- or chloroatoms in the molecule
08/21/1991EP0442087A1 Process for preparing saturated fluorinated hydrocarbons without chlorine
08/21/1991EP0442075A1 Process for preparing 1,1,1,3,3,3,-hexafluoropropane and 2-chloro-1,1,1,3,3,3,-hexafluoropropane
08/08/1991WO1991011495A1 Novel vehicle gas mixtures and their use in medical preparations
08/08/1991DE4003272A1 Neue treibgasmischungen und ihre verwendung in arzneimittelzubereitungen New propellant mixtures and their use in drug preparations
08/08/1991DE4003270A1 Neue treibgase und ihre verwendung in arzneimittelzubereitungen New propellant gases and their use in drug preparations
08/04/1991WO1991011496A1 Novel vehicle gases and their use in medical preparations
07/1991
07/31/1991EP0439338A1 A catalyst for halogen exchange in halohydrocarbons and for acid/base reactions
07/30/1991US5036036 Chromium oxide catalyst composition
07/26/1991CA2034848A1 Catalyst for halogen exchange in halohydrocarbons and for acid/base reactions
07/24/1991EP0437689A1 A method for fluorodecarboxylation
07/24/1991CN1053227A Process for preparing pentafluorodichloropropanes
07/17/1991EP0436903A1 Process for preparing pentafluorodichloropropanes
07/11/1991WO1991009827A1 Method for producing chloroform
07/10/1991EP0436031A1 Process for producing a dichloropentafluoropropane
07/09/1991CA2033782A1 Process for preparing pentafluorodichloropropanes
07/03/1991EP0435705A1 Process for the selective hydrogenolysis of perhalogeno-ethanes
07/03/1991EP0435210A2 Method for the preparation of methyl chloride
07/03/1991EP0416016A4 Gas-phase fluorination process
07/02/1991CA1285580C Process for the co-production of aromatic carboxylates and alkyl iodides
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