Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
03/1998
03/04/1998EP0826656A1 Process for the preparation of alkyl bromides from aqueous hydrobromic acid and olefins
03/04/1998EP0826655A1 Preparation of alkyl bromides from aqueous hydrobromic acid and olefins
03/04/1998EP0826020A1 Ternary azeotropic compositions
03/04/1998EP0621236B1 Carbon fluoride particles, process for producing the same, and use thereof
03/04/1998CN1175219A Device and use thereof for oxi-chlorination
03/04/1998CN1174970A Refrigeration method
03/04/1998CN1174811A Process for decomposing fluorocarbons, reagent and apparatus used therefor
03/04/1998CN1037600C Improved separating and purifying method for 1, 1 -difluoroethane
03/03/1998US5723704 Process for the preparation of alkyl chlorides
03/03/1998US5723701 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
03/03/1998US5723700 Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane
03/03/1998US5723699 Purification process for hexafluoroethane products
03/03/1998US5723684 Compositions for bis-(fluoromethyl)ether
03/03/1998US5723429 Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
02/1998
02/25/1998CN1174543A Method for coproducing difluoromethane and 1, 1, 1, 2 -tetrafluoroethane
02/25/1998CN1174185A Process for preparation of alpha-bromo, the imaginary root-chloroalkanes
02/19/1998WO1998006685A1 Removal of water from process streams
02/19/1998CA2261190A1 Removal of water from process streams
02/18/1998EP0824094A1 Process for the preparation of alpha-bromo,omega-chloroalkanes
02/18/1998EP0662112B1 Azeotropic or azeotrope-like compositions of ammonia and hydrofluorocarbons
02/18/1998CN1037431C Prodn. of hydrofluorocarbons
02/17/1998US5719093 Heating; removal of toxic product; reuse
02/17/1998US5718807 Purification process for hexafluoroethane products
02/12/1998WO1998005610A2 Process for preparing fluorine-containing compounds
02/10/1998US5716590 Catalytically active material comprises elemental silicon and at least one transition metal or transition metal silicide
02/10/1998US5716549 Fluoroiodocarbon blends as CFC and halon replacements
02/04/1998EP0822242A2 Non-ozone depleting co-solvent compositions
02/04/1998EP0822171A1 Method of inhibiting decomposition of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,3,3-pentafluoropropane and decomposition inhibitor
02/04/1998EP0822170A1 Selective removal of perfluoroisobutylene from streams of halogenated hydrocarbons
02/04/1998EP0692008B1 Refrigerant compositions including hexafluoropropane and a hydrofluorocarbon
02/04/1998CN1172097A Process for manufacture of difluoromethane
02/04/1998CN1037264C Method for increasing tetrabromoethane content of bromine and acetylene synthetic liquid by use of laser irradiation
02/03/1998US5714655 Process of manufacturing 1,1,1,3,3-pentafluoropropane, process of manufacturing 2,2,3-trichloro 1,1,1,3,3-pentafluoropropane and process of manufacturing 2,3,3-trichloro-1,1,1-trifluoropropene
02/03/1998US5714654 Method of Producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene
02/03/1998US5714653 Liquid phase reaction of dichloromethane and hydrogen fluoride using titanium or tin halide catalyst
02/03/1998US5714652 Hydrofluorination of vinyl chloride with hydrogen fluoride in presence of reaction medium containing perchloroethylene and pentafluorobutane using hydrofluorination catalysts
02/03/1998US5714651 Use of polymerization inhibitor to prolong the life of a Lewis acid catalyst
02/03/1998US5714648 Process for producing tetrafluoromethane
02/03/1998CA2133613C Process for purifying 1,1,1,2-tetrafluoroethane
01/1998
01/29/1998WO1998003498A1 Thienylcyclohexane derivatives for thienylcyclohexyl synthesis
01/29/1998CA2261843A1 Thienylcyclohexane derivatives for thienylcyclohexyl synthesis
01/28/1998EP0821046A1 Difluoromethane/hydrocarbon refrigerant mixture and refrigeration cycle plant using the same
01/28/1998CN1171387A Process for producing dichloroethane by direct chloration of ethylene in catalytic cracking dry gas
01/28/1998CN1037172C Preparation process for 1, 1, 1 -trifluoro -2 -chloroethane
01/21/1998EP0819669A1 Azeotropic and azeotrope-like compositions and a process for separating HC1 and halocarbons
01/21/1998EP0819668A1 Synthesis of 1,1,1-trifluoroethane by fluorination of 1-chloro-1,1-difluoroethane
01/21/1998EP0819449A1 Process for decomposing fluorocarbons, reagent and apparatus used therefor
01/21/1998CN1037097C Process for preparing 1,1-dichloro-1-fluoroethane by fluoridation of liquid-phase 1,1-dichloroethane
01/21/1998CN1037096C Improved process for 1,1-dichloride-1-fluoroethane
01/21/1998CN1037095C Fluorinating method for halohydrocarbon
01/20/1998US5710353 Process for fluorinating halogenated hydrocarbon
01/20/1998US5710352 Vapor phase process for making 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene
01/20/1998US5710351 Fluorination of hydrofluorocarbons in the presence of diluents
01/15/1998WO1998001407A1 Process for preparing 1,2-dichloroethane by direct chlorination
01/14/1998CN1170398A Preparation of perfluorocarbons
01/13/1998US5707497 Process for the separation of hydrogen fluoride and of difluoromethane
01/08/1998WO1998000381A1 Azeotrope-like composition of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride
01/08/1998WO1998000380A1 Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
01/08/1998DE19641562A1 Verfahren zur Herstellung von 1,2-Dichlorethan durch Direktchlorierung A process for preparing 1,2-dichloroethane by direct chlorination
01/07/1998EP0816314A1 Process for the separation of mixtures of dimethyl ether and chloromethane
01/07/1998EP0816313A1 Process for the preparation and separation of a mixture of dimethyl ether and chloromethane using methanol as the extractant
01/07/1998EP0816312A1 Process for the preparation and separation of a mixture of dimethyl ether and chloromethan using water as the extractant
01/07/1998EP0815165A1 Azeotropic compositions of perfluorohexane, or 1,1,1,4,4,4-hexafluorobutane, or 1,3-dioxolane and hydrocarbons having 5 or 6 carbon atoms
01/07/1998EP0610424B1 Compositions of difluoromethane and tetrafluoroethane
01/07/1998CN1169710A Single slage fixed bed oxychlorination of ethylene
01/07/1998CN1169415A Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with methanol as extractant
01/07/1998CN1169414A Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with water as extractant
01/06/1998US5705719 Selective removal of perfluoroisobutylene from streams of halogenated hydrocarbons
01/06/1998US5705718 Process for the purification of 1,1,1,2-tetrafluoroethane
01/06/1998US5705716 Hydrochlorofluorocarbons having OH rate constants which do not contribute substantially to ozone depletion and global warming
12/1997
12/31/1997WO1997049656A1 Method for purifying 1,1,1,3,3-pentafluoropropane
12/31/1997CN1168875A Process for purification of saturated hydrofluorocarbons
12/29/1997EP0779882A4 Process for the chlorination of hydrocarbons
12/29/1997EP0700368B1 Homogeneous catalytic hydrodechlorination of chlorocarbons
12/24/1997CN1168660A Process for producing difluoromethane
12/24/1997CN1168299A Regeneration of catalysts for gas phase fluorination
12/24/1997CN1036778C Improved method of separating and purifying 1, 1- difluoroethane
12/24/1997CN1036777C Gas-phase catalysting process for producing fluohydric halohydrocarbon and fluohydric hydrocarbon
12/23/1997US5700388 Azeotropic or azeotrope-like compositions of ammonia and tetrafluoroethane
12/18/1997WO1997047574A1 Azeotrope-like compositions of difluoromethane and chlorine
12/17/1997EP0812881A1 Rubber compound usable in presence of flon and/or freezer oil and vulcanized product thereof
12/17/1997EP0812814A1 Process for preparing 1,1,1,3,3-pentafluoropropane
12/10/1997EP0811670A1 Ternary mixture refrigerant and heat pump apparatus utilizing the same
12/10/1997EP0811592A1 Process for producing pentafluoroethane and tetrafluorochloroethane
12/10/1997EP0811591A1 Process for the purification of saturated hydrofluorocarbons
12/10/1997EP0810993A1 Reagent, compound and method for nucleophile perfluoroalkylation, and resulting derivatives
12/10/1997EP0810985A1 Oxychlorination of ethylene in two stage fixed-bed reactor
12/10/1997EP0810902A1 Device and use thereof for oxi-chlorination
12/10/1997CN1167133A Ternary mixture refrigerant and heat pump apparatus utilizing the same
12/09/1997US5696310 Dehydrohalogention and halogenation or oxidation
12/09/1997US5696308 Heating an alpha-fluoroether in the vapor phase with hydrogen fluoride in the presence of a catalyst
12/09/1997US5696307 Hydrofluoroalkanes as cleaning and degreasing solvents
12/09/1997US5695688 Fluoroiodocarbon blends as CFC and halon replacements
12/04/1997WO1997045388A1 Process for preparing 1,1,1,3,3-pentafluoropropane
12/03/1997EP0810192A1 Process for preparing 1,1,1,3,3-pentafluoropropane
12/03/1997EP0809620A1 Method for coproducing difluoromethane and 1,1,1,2-tetrafluoroethane
12/03/1997CN1166821A Hydrogenation of halogenated compounds
12/03/1997CN1166819A Conversion of oxygenaed organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride
12/03/1997CN1166479A Synthesis of 1-chloro-3,3,3-trifluoropropene and its fluorination to 1,1,1,3,3-pentafluoropropane
12/03/1997CN1166380A Process for regeneration of catalyst based on trivalent chromium compounds
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