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