Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
07/1997
07/22/1997US5650089 Refrigerant compositions with fluorinated dimethyl ether and either difluoroethane or cyclopropane, and use thereof
07/17/1997WO1997025304A1 Process for preparation of fluorinated hydrocarbons
07/17/1997WO1997025301A1 Process for producing 1,1-difluoroethane
07/17/1997WO1997025300A1 Manufacture of 1,1-difluoroethane
07/17/1997WO1997025142A1 Hydrogenation catalyst and process
07/17/1997CA2242361A1 Hydrogenation catalyst and process
07/16/1997EP0783554A1 Oftafluorobutane compositions
07/16/1997EP0783553A1 Octafluorobutane compositions
07/16/1997EP0783552A1 1,1,2,2,3,3,4,4-octafluorobutane compositions
07/16/1997EP0783472A1 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
07/15/1997US5648016 Azeotrope (like) composition with fluoromethyl trifluoromethyl ether and 1,1-difluoroethane
07/10/1997WO1997024307A1 Process for producing 1,1,1,3,3-pentafluoropropane
07/10/1997WO1997024306A1 Production of ethylene dichloride by direct chlorination and production of vinyl chloride monomer using chlorine recycle
07/09/1997EP0783017A2 Azeotrope-like compositions of 1,1,1,3,3-pentafluoropane and 2-methyl butane
07/09/1997EP0782557A1 Purification process for hexafluoroethane products
07/09/1997CN1154099A Method of purifying pentafluoroethane
07/08/1997US5645754 Azeotropes
07/03/1997WO1997023641A1 Stereoselective preparation of 2-substituted succinic derivatives
07/02/1997EP0781746A1 Method for reducing formation of polychlorinated aromatic compounds during air oxychlorination of c1-c3 hydrocarbons
07/02/1997EP0781745A2 Catalytic mixture based on partially fluorinated titane and zinc halogenides and their application in the preparation of fluorinated organic compounds
07/02/1997CN1153160A Process for producing 1,1,1,2-tetrafluoroethane
07/02/1997CN1035323C Process for manufacture of 1,1,1,2-tetrafluoro-2-chloroethane and of pentafluoro-ethane
06/1997
06/25/1997EP0779882A1 Process for the chlorination of hydrocarbons
06/25/1997CN1152905A Process for preparation of 1,1,1,2,3,3,3,-heptafluoropropane
06/25/1997CN1152904A Process for preparing 1,1,1,3,3,-pentafluoropropane
06/25/1997CN1152903A Process and device for preparing 1,2-dichloroethane by direct chlorination with waste gas recirculation
06/25/1997CN1035250C Process for preparing fluorinated compound
06/19/1997WO1997021655A1 Synthesis of tetrafluoroethylene and pentafluoroethane
06/18/1997CN1035174C Process for fluorination of perchloroethylene or of pentachloroethane
06/18/1997CN1035159C Fluorination catalyst and application for fluorinating halogenated hydrocarbon
06/17/1997US5639924 Process for the production of 1,1,1-trifluoroethane
06/17/1997US5639923 Metal-catalyzed preparation of perfluoroalkyl iodide telomers
06/11/1997EP0778254A1 Process for producing pentafluoroethane
06/11/1997EP0777638A1 Process for the manufacture of pentafluoroethane
06/11/1997EP0720639B1 Replacement refrigerant composition
06/11/1997CN1035116C Hologenated hydrocarbon solvents and thereof
06/10/1997US5637781 Process for the alcoholysis of carbon tetrachloride
06/05/1997WO1997019903A1 Production of chloro-2,2,2-trifluoroethane
06/05/1997CA2238508A1 Production of chloro-2,2,2-trifluoroethane
06/04/1997EP0776878A2 Process for preparing pentafluoroethane
06/04/1997CN1150943A Synthesis of difluoromethane
06/03/1997US5635099 Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane
05/1997
05/28/1997EP0775522A1 Catalysts for the oxychlorination of ethylene, method for preparing them, and oxichlorination method using the same
05/28/1997CN1034998C Improved preparation method for 1,1,1-trifluoro-2-chloroethane
05/27/1997CA2006564C Oxychlorination process and catalyst; their use for preparing 1,2-dichloroethane
05/21/1997EP0774450A1 Method for reducing formation of polychlorinated aromatic compounds during oxychlorination of C1-C3 hydrocarbons
05/21/1997EP0773916A1 Process for the manufacture of 1,1,1,3,3,3-hexafluoropropane
05/21/1997CN1150138A Process for preparing methane chlorides or ethane chlorides from methane or ethane or its low-chloralkanes
05/18/1997CA2190330A1 Method for reducing formation of polychlorinated aromatic compounds during oxychlorination of c1-c3 hydrocarbons
05/14/1997EP0773207A1 Method of purifying pentafluoroethane
05/14/1997EP0773206A1 Process for producing 1,1,1,2,3,3,3-heptafluoropropane
05/14/1997EP0773061A1 Chromium oxyde containing solid catalysts, their preparation process and their use for the fluorination of halogenated hydrocarbons
05/14/1997EP0772660A1 Mixed gas refrigerant
05/14/1997EP0772659A1 Refrigerant compositions
05/14/1997EP0772576A1 Process and device for preparing 1,2-dichloroethane by direct chlorination with waste gas recirculation
05/14/1997EP0772575A1 Preparation of halogenated compounds
05/14/1997EP0649453B1 Azeotropic compositions of perfluoroethane and trifluoromethane
05/13/1997US5629462 Hydrodehalogenation catalysts and their preparation and use
05/13/1997US5629461 Method of producing 1,1,2,2,3-pentafluoropropane
05/13/1997US5628930 Stabilization of fluorocarbon emulsions
05/13/1997CA2088460C Process for preparing 1,1,1,2-tetrafluoroethane
05/11/1997CA2190022A1 Chromium oxide-containing mass catalysts; process for preparing the same and their use for the fluorination of halogenated hydrocarbons
05/09/1997WO1997016501A1 Refrigerant compositions
05/09/1997CA2236273A1 Refrigerant compositions
05/07/1997EP0771865A1 Cleaning composition based on 1,1,1,2,2,4,4-heptafluorobutane and alcohols
05/07/1997CN1149286A Single stage process for producing hydrofluorocarbons from perchloroethylene
05/06/1997US5626790 Refrigerant compositions including 1,1,2-trifluoroethane and hexafluoropropane
05/06/1997US5626725 Process for separation of 1,1-difluoroethane from its mixture with hydrogen fluoride
05/02/1997EP0770048A1 Process for the manufacture of 1,1,1,3,3-pentafluoropropane
05/02/1997EP0739402A4 Mixed gas refrigerant
05/01/1997CA2189061A1 1,1,1,2,2,4,4-heptafluorobutane and alcohol cleaning compositions
04/1997
04/23/1997EP0638131B1 Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropane
04/22/1997US5623150 Alkali metal or alkaline-earth metal inorganic or organic salts used as stabilizers for partially halogenated fluorinated aliphatic hydrocarbon blowing agents, used for manufacture of polyurethanes
04/22/1997US5623092 Zinc promoted chromia-type catalyst
04/22/1997US5623091 Process for the production of bis(fluoromethyl)ether
04/22/1997US5622644 Mixed gas R-12 refrigeration apparatus
04/17/1997WO1997013737A1 Process for producing 1,1,1,3,3-pentafluoropropane
04/17/1997WO1997013719A1 Hydrogen fluoride recovery process
04/17/1997CA2234693A1 Hydrogen fluoride recovery process
04/16/1997EP0768289A1 Process for producing fluorinated alkene derivative and fluorinated alkane derivative
04/15/1997US5621152 Process for removing olefinic impurities from 2H-heptafluoropropane (R 227)
04/10/1997WO1997012852A1 Semi-fluorinated alkanes and their use
04/10/1997DE19534917A1 Verfahren zur Herstellung von Heptafluorpropan A process for the production of heptafluoropropane
04/09/1997EP0767158A1 Process for producing difluoromethane
04/09/1997CN1034521C Ternary azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene with methanol or ethanol
04/09/1997CN1034520C Binary azeotropic compositions of (CF3CHFCHFCF2CF3) with methanol or ethanol or isopropanol
04/09/1997CN1034519C Ternary azeotropic compositions of dichloro-pentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
04/03/1997DE19536504A1 Fluorierte Alkane und ihre Verwendung Fluorinated alkanes and their use
04/02/1997EP0765924A2 Azeotropic compositions of perfluoroethane and trifluoromethane, or oxide or nitrous oxide, or carbon dioxide, or fluoromethane
04/01/1997US5616821 Methods for purifying and recovering contaminated refrigerants with solutions of bases in organic solvents
04/01/1997US5616820 Process for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane and of pentafluoroethane
04/01/1997US5616819 Process for preparing fluorinated aliphatic compounds
04/01/1997US5616276 Azeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C2 -C4 hydrocarbon
04/01/1997US5616275 Refrigeration; heat exchanging
04/01/1997CA1339037C Branched perfluoroalkyl halides and preparation thereof
03/1997
03/27/1997WO1997011043A1 Process for the production of difluoromethane
03/27/1997WO1997011042A1 Method for preparing heptafluoropropane
03/26/1997CN1034327C Process for producing 1,1,1,2-tetrafluoroethane
03/20/1997WO1997010192A1 1,1-difluoro-1,4-dichlorobutane and process for its preparation
03/20/1997CA2230247A1 1,1-difluoro-1,4-dichlorobutane and process for its preparation
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