Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
11/1997
11/26/1997EP0808300A1 Method for purifying pentafluoroethane
11/26/1997CN1165803A Process for producing hexafluoroethane
11/20/1997WO1997043208A1 Process for hydrogen fluoride separation
11/20/1997DE19716337A1 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
11/20/1997CA2254055A1 Process for hydrogen fluoride separation
11/19/1997CN1165509A Purification process for hexalfuoroethane products
11/19/1997CN1165131A Process for converting low-boiling by-products formed during thermal cracking of 1,2-dichloroethane
11/18/1997US5689019 Reacting hexafluoropropene with anhydrous hydrogen fluoride in presence of an antimony catalyst
11/18/1997US5688432 Replacement refrigerant composition
11/13/1997CA2203433A1 Synthesis of 1-chloro-3,3,3-trifluoropropene and fluorination thereof to form 1,1,1,3,3-pentafluoropropane
11/12/1997EP0806242A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/11/1997US5685915 Fluoroiodocarbon blends as CFC and halon replacements
11/06/1997CA2204583A1 Process for the regeneration of a catalyst based on trivalent chromium compounds
11/05/1997EP0805136A1 Process for the preparation of difluoromethane
11/05/1997EP0805135A1 Process for the preparation of 2-H-heptafluoropropane
11/05/1997EP0804395A1 Phase-transfer catalysis
11/04/1997US5684219 Separation of 1,1,1,3,3-pentafluoropropane from hydrogen fluoride by addition of salt
11/04/1997US5683978 Saturated linear polyfluorohydrocarbons in cleaning compositions
11/04/1997US5683554 Separating 1,1-dichloro-1-fluoroethane from lower boiling components
10/1997
10/29/1997EP0802730A1 Pesticidal compounds
10/23/1997WO1997038959A1 Synthesis of fluorinated carbon compounds and process for the separation of tar from the reaction mixture
10/23/1997WO1997038958A1 Purification of 1,1,1,3,3-pentafluoropropane
10/23/1997CA2251712A1 Purification of 1,1,1,3,3-pentafluoropropane
10/22/1997EP0802252A2 Azeotropic or azeotrope-like compositions of ammonia and hydrofluorocarbons
10/22/1997EP0801980A1 Catalyst for the fluorination of halogenated hydrocarbons
10/22/1997EP0652859B1 Improved process for separating and recovering halocarbons from mixtures thereof
10/21/1997US5679876 Purification of pentafluoroethane
10/21/1997US5679875 Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane
10/21/1997US5679632 Movie film cleaning solvent comprising n-propylbromide
10/21/1997US5679613 Chlorofluoro(hydro)carbon conversion process
10/16/1997WO1997037956A1 Process for the manufacture of halogenated propanes containing end-carbon fluorine
10/16/1997WO1997037955A1 PURIFICATION OF 1,1,1,3,3-PENTAFLUOROPROPANE (R-245fa)
10/15/1997EP0723531B1 Process for producing pentafluoroethane and for purifying 1,1,1,2-tetrafluoroethane
10/15/1997EP0688309B1 Continuous process for purifying perfluorochemical compositions
10/15/1997EP0652857B1 Process for isomerizing 1,1,2-trichlorotrifluoroethane
10/15/1997EP0632000B1 PROCESS FOR PRODUCING gem-DIFLUOROALKANES
10/15/1997CN1161953A Method for production of tetrafluoro-methane
10/15/1997CN1161952A Method for production of perfluorocarbon
10/08/1997EP0799172A1 Catalytic hydrogenolysis
10/08/1997EP0799171A1 Process for the preparation of perfluorocarbons
10/08/1997EP0633237B1 Process for producing 1,1,1,2,2,4,4,5,5,5-decafluoropentane
10/08/1997CN1161319A Preparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3,3-pentafluorobutane
10/07/1997US5674451 Methods and compositions for sterilization of articles
10/02/1997WO1997035820A1 Process for the manufacture of fluorine-substituted hydrocarbons
10/01/1997EP0798043A1 Regeneration of gas phase fluorination catalysts
09/1997
09/30/1997US5672788 Reacting chloroethene with hydrogen chloride or bromide; fluorination
09/30/1997US5672787 Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase
09/30/1997US5672786 Catalytically fluorinating dichloromethane with hydrogen fluoride, separating difluoromethane, maintaining high molar ratio of hydrogen fluoride to by-product chlorofluoromethane in product stream
09/30/1997US5672785 Isomerization and disproportionation of 1,1,2-trichloro-1,2,2 trifluoroethane and fluorinating the resulting mixxture with hydrofluoric acid
09/30/1997US5672293 Hydrofluorocarbon compositions
09/30/1997CA2027522C Method for fluorode carboxylation
09/24/1997EP0796235A1 Production of 2-chloro-2-hydrohexafluoropropane and azeotropes thereof with hf
09/24/1997EP0796146A1 Hydrogenation catalyst and process
09/24/1997CN1160391A Process for producing pentafluoroethane
09/24/1997CN1160390A Process for manufacture of pentafluoroethane
09/23/1997US5670679 Nickel complexes for polymerization catalysts
09/17/1997EP0795531A1 Process for the transformation of the by-products having a low boiling point formed during the thermal cracking of 1,2-dichloroethane
09/17/1997EP0794934A1 Hydrogenation of halogenated compounds
09/17/1997CN1159439A Process for preparing pentafluoroethane
09/12/1997WO1997032835A1 Process for producing fluorine compounds
09/10/1997EP0793632A1 Conversion of oxygenated organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride
09/10/1997EP0681563B1 Process and device for preparing 1,2-dichlorethane by direct chlorination
09/10/1997CN1035812C Process for manufacture of pentafluoroethane
09/09/1997US5665266 Chloropentafluoroethane
09/04/1997WO1997032238A1 Movie film cleaning solvent
09/04/1997WO1997031989A1 Azeotropic compositions of cyclopentane
09/04/1997WO1997031881A1 A process for the synthesis of hexafluoropropanes
09/04/1997CA2247614A1 Movie film cleaning solvent
09/04/1997CA2247376A1 A process for the synthesis of hexafluoropropanes
09/03/1997EP0792253A1 Production of ?11 c-methyl iodide
09/03/1997EP0605683B1 Production of tetrafluoroethanes
09/03/1997CN1035761C Method for purification of 1,1,1,2-tetrafluoroethane
09/02/1997US5663464 Method for producing1,1,1,3,3-pentafluoropropane
08/1997
08/27/1997EP0650469B1 Purification of 1,1,1,2-tetrafluoroethane
08/27/1997EP0618888B1 Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane
08/27/1997EP0494994B1 Fluorocarbon purification process
08/27/1997CN1157755A Bulk catalysts based on chromium oxide, their process of preparation and their application in fluorination of halogenated hydrocarbons
08/20/1997CN1157319A Cleaning compositions based on 1,1,1,2,2,4,4-heptafluorobutane and alcohols
08/19/1997US5659108 Process for the complete saturation of halogenated hydrocarbon streams containing unsaturated compounds
08/19/1997US5659094 Multistage reaction of 1,1,1-trifluoro-2-chloroethane with hydrogen fluoride using fluorination catalyst
08/19/1997US5659093 Method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene
08/19/1997CA2010121C Process for the synthesis of chloromethanes
08/14/1997WO1997029162A1 Difluoromethane/hydrocarbon refrigerant mixture and refrigeration cycle plant using the same
08/13/1997EP0789013A1 Process for the preparation of alkyl chlorides
08/13/1997EP0789012A1 Process for the preparation of alkyl halides
08/13/1997EP0788469A1 Production of hydrofluoroalkanes
08/12/1997US5656137 F141B crude stabilization
08/06/1997EP0787707A1 Preparation of 1,1,1,3,3-pentachlorobutane and of 1,1,1,3,3-pentafluorobutane
08/06/1997EP0787117A1 Single stage fixed bed oxychlorination of ethylene
08/06/1997EP0708806B1 Azeotrope-like compositions of trifluoromethane and carbon dioxide or hexafluoroethane and carbon dioxide
08/06/1997EP0660750B1 Process for treating a spent chromium-based fluorination catalyst.
08/05/1997US5654494 Process for the manufacture of 1,1,1,2-tetrafluoroethane
08/05/1997US5654264 Octafluorobutane compositions
08/05/1997US5653908 Azeotropic compositions containing octafluorobutane and bis/fluoromethyl/ ether; refrigerants
07/1997
07/31/1997WO1997027163A1 Azeotrope comprising pentafluoropropane and hydrogen fluoride and method for separating and purifying pentafluoropropane
07/30/1997EP0786442A1 Process for the preparation of alkylchlorides
07/29/1997CA1339150C Halogenated hydrocarbon solvents and use thereof
07/23/1997CN1154873A Catalysts for oxichlorination of ethylene, method for preparing them, and oxichlorination method using the same
07/22/1997USRE35568 Method for fluorodecarboxylation
07/22/1997US5650545 Synthesis of perfluoroalkyl iodides
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