C07C 17 - Preparation of halogenated hydrocarbons

Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
12/1997
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
12/03/1997	CA2206620A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
12/03/1997	CA2206585A1 1,4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
12/02/1997	US5693191 Process for recovery of anhydrous hydrogen chloride from mixtures with non-condensable gases
11/1997
11/27/1997	WO1997044301A1 Process for separating difluoromethane
11/27/1997	WO1997044300A1 Process using cf2i2 and olefins for producing diiodo fluorocompounds, and products thereof
11/26/1997	EP0808827A1 Production process for aromatic compounds
11/26/1997	EP0808814A1 Process for producing difluoromethane and difluorochloromethane
11/26/1997	EP0808300A1 Method for purifying pentafluoroethane
11/26/1997	CN1165803A Process for producing hexafluoroethane
11/20/1997	WO1997043629A1 Electrokinetic pumping
11/20/1997	WO1997043247A1 Inhibition of matrix metalloproteases by substituted phenethyl compounds
11/20/1997	WO1997043233A1 Process for the preparation of fluorinated olefin
11/20/1997	WO1997043231A1 Method for synthesis of hydrocarbon compounds containing fluorine on at least one alkyl chain carbon
11/20/1997	WO1997043230A1 Method for organic reactions
11/20/1997	WO1997043214A1 Cerium oxide and zirconium oxide based composition, method of preparation and utilisation in catalysis
11/20/1997	WO1997043208A1 Process for hydrogen fluoride separation
11/20/1997	WO1997043041A1 Regioselective nuclear chlorination catalyst for aromatic hydrocarbons and process for nuclear chlorination
11/20/1997	DE19716337A1 Synthese von 1-Chlor-3,3,3-trifluorpropen und seine Fluorierung zu 1,1,1,3,3-Pentafluorpropan Trifluoropropene 1-chloro-3,3,3-synthesizing and its fluorination to 1,1,1,3,3-pentafluoropropane
11/20/1997	CA2254055A1 Process for hydrogen fluoride separation
11/20/1997	CA2253755A1 Electrokinetic pumping
11/19/1997	CN1165509A Purification process for hexalfuoroethane products
11/19/1997	CN1165144A Phosphosulfonate herbicides
11/19/1997	CN1165143A Phosphosulfonate herbicides
11/19/1997	CN1165131A Process for converting low-boiling by-products formed during thermal cracking of 1,2-dichloroethane
11/18/1997	US5689020 High temperature chlorination process for the preparation of polychloroolefins
11/18/1997	US5689019 Reacting hexafluoropropene with anhydrous hydrogen fluoride in presence of an antimony catalyst
11/18/1997	US5688379 Process for preparing perfluoroalkyl bromides
11/13/1997	WO1997042144A1 Process for the alkylation of a cyclopentadiene
11/13/1997	CA2203433A1 Synthesis of 1-chloro-3,3,3-trifluoropropene and fluorination thereof to form 1,1,1,3,3-pentafluoropropane
11/12/1997	EP0806242A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/06/1997	WO1997041083A1 Process for the preparation of fluoro compounds from the corresponding amines
11/06/1997	CA2204583A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/05/1997	EP0805137A1 Method of separating pentafluoroethane and process for producing pentafluoroethane by utilizing said method
11/05/1997	EP0805136A1 Process for the preparation of difluoromethane
11/05/1997	EP0805135A1 Process for the preparation of 2-H-heptafluoropropane
11/05/1997	EP0804395A1 Phase-transfer catalysis
11/05/1997	EP0695290B1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents
11/04/1997	US5684219 Separation of 1,1,1,3,3-pentafluoropropane from hydrogen fluoride by addition of salt
11/04/1997	US5684218 Preparation of tetrafluoroethylene
11/04/1997	US5684217 Process for preparing 3-fluoro-4,6-dichlorotoluene
11/04/1997	US5684011 Pyrimidine derivatives useful as nematicides
11/04/1997	US5683978 Saturated linear polyfluorohydrocarbons in cleaning compositions
11/04/1997	US5683554 Separating 1,1-dichloro-1-fluoroethane from lower boiling components
10/1997
10/29/1997	EP0695287B1 Fullerene derivatives, methods of preparing them and their use
10/29/1997	CN1163604A Substituted r-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitors
10/29/1997	CN1163275A Hydrogenizing method for conjugate diene polymer and its adaptive catalyst composition
10/28/1997	US5681953 Fluoroaluminate (AlF4) compounds
10/23/1997	WO1997038959A1 Synthesis of fluorinated carbon compounds and process for the separation of tar from the reaction mixture
10/23/1997	WO1997038958A1 Purification of 1,1,1,3,3-pentafluoropropane
10/23/1997	CA2251712A1 Purification of 1,1,1,3,3-pentafluoropropane
10/22/1997	EP0801980A1 Catalyst for the fluorination of halogenated hydrocarbons
10/22/1997	EP0662940B1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene
10/22/1997	EP0652859B1 Improved process for separating and recovering halocarbons from mixtures thereof
10/21/1997	US5679879 Process for the production of substituted aromatic hydrocarbons from corresponding anilines by dediazoniation
10/21/1997	US5679876 Purification of pentafluoroethane
10/21/1997	US5679875 Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane
10/21/1997	US5679874 Process for the preparation of dichloro-(2,2)-paracyclophane
10/21/1997	US5679854 Forming intermediate (e)-n-(2-(fluoromethylene)-4-(p-fluorophenyl)butyl)-n-formyl formamide; hydrolysis
10/21/1997	US5679736 Additive fire retardants, process for their preparation and polymeric compositions containing them
10/21/1997	US5679613 Chlorofluoro(hydro)carbon conversion process
10/21/1997	CA2137037C Fluorinated diazabicycloalkane derivatives
10/16/1997	WO1997037956A1 Process for the manufacture of halogenated propanes containing end-carbon fluorine
10/16/1997	WO1997037955A1 PURIFICATION OF 1,1,1,3,3-PENTAFLUOROPROPANE (R-245fa)
10/15/1997	EP0800517A1 Acetylenes disubstituted with a 5 or 8 substituted tetrahydronaphthyl or dihydronaphthyl group and with an aryl or heteroaryl groups having retinoid-like biological activity
10/15/1997	EP0723531B1 Process for producing pentafluoroethane and for purifying 1,1,1,2-tetrafluoroethane
10/15/1997	EP0688309B1 Continuous process for purifying perfluorochemical compositions
10/15/1997	EP0652857B1 Process for isomerizing 1,1,2-trichlorotrifluoroethane
10/15/1997	EP0632000B1 PROCESS FOR PRODUCING gem-DIFLUOROALKANES
10/15/1997	CN1161953A Method for production of tetrafluoro-methane
10/15/1997	CN1161952A Method for production of perfluorocarbon
10/15/1997	CN1036132C Reduction method for fluorohaloparasffin
10/14/1997	US5677320 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity
10/08/1997	EP0799172A1 Catalytic hydrogenolysis
10/08/1997	EP0799171A1 Process for the preparation of perfluorocarbons
10/08/1997	EP0799155A1 Manufacture of carbonyl fluoride
10/08/1997	EP0799079A1 Elimination of cyanides in the dehalogenation of halofluorocarbons
10/08/1997	EP0633237B1 Process for producing 1,1,1,2,2,4,4,5,5,5-decafluoropentane
10/08/1997	CN1161319A Preparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3,3-pentafluorobutane
10/07/1997	US5675046 Process for producing perfluorocarbon
10/07/1997	US5674959 With fluorinated olefins or unsaturated ethers as monomers and end groups containing iodine, for elasticity, low compression set value, recovery of initial dimensions
10/07/1997	US5674949 Liquid-phase fluorination
10/02/1997	WO1997035820A1 Process for the manufacture of fluorine-substituted hydrocarbons
10/01/1997	EP0798043A1 Regeneration of gas phase fluorination catalysts
09/1997
09/30/1997	US5672792 Dehydrochlorination of 3,4-dichloro-1-butene, lime, glycol
09/30/1997	US5672791 Process for the preparation of nuclear-halogenated benzotrichlorides from the corresponding benzotrifluorides
09/30/1997	US5672790 Process for the hydrogenolysis of chlorofluorocarbons and of chlorofluorohydrocarbons
09/30/1997	US5672789 Efficient gas phase catalysis using calcined product of hydrogen fluoride reacted with aqueous mixture of chromic hydroxide and magnesium chloride
09/30/1997	US5672788 Reacting chloroethene with hydrogen chloride or bromide; fluorination
09/30/1997	US5672787 Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase
09/30/1997	US5672786 Catalytically fluorinating dichloromethane with hydrogen fluoride, separating difluoromethane, maintaining high molar ratio of hydrogen fluoride to by-product chlorofluoromethane in product stream
09/30/1997	US5672785 Isomerization and disproportionation of 1,1,2-trichloro-1,2,2 trifluoroethane and fluorinating the resulting mixxture with hydrofluoric acid
09/30/1997	US5672784 Pyrolysis of chlorodifluoromethane forming tetrafluoroethylene as desired product, perfluorocyclobutane as undesired; co-feeding it with chlorodifluoromethane to reduce undesired product without its consumption
09/30/1997	US5672765 Reacting the corresponding chlorine or bromine compounds with alkali metal fluoride in presence of amide solvent
09/30/1997	CA2027522C Method for fluorode carboxylation
09/25/1997	WO1997034855A1 Bisalkenyl derivatives, liquid crystalline compounds and liquid crystal compositions
09/25/1997	WO1997034589A1 Triaryl methane compounds for sickle cell disease

1 ... 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 ... 200