Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
07/1993
07/21/1993EP0551272A1 Catalytic equilibration to improve the relative yield of selected halocarbons
07/21/1993CN1074434A Improved method of separating and purifying 1,1-difluoroethane
07/14/1993EP0550671A1 Process for preparing a product stream rich in naphthalene and 2-monoiodonaphthalene
07/14/1993CN1074208A Production of hydrofluorocarbons
07/14/1993CN1074207A Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1 tetrafluoroethane
07/13/1993US5227560 Vinylene or exomethylene groups from active methine compounds
07/13/1993US5227550 Method for preparation of methyl chloride
07/13/1993US5227549 Synthesis of 1,2-dichloroethane by ccl4 oxychlorination of ethylene
07/13/1993US5227548 Oxychlorination of ethylene to 1,2-dichloroethane
07/13/1993US5227547 Method for producing dichloropentafluoropropanes
07/13/1993US5227546 Process for preparing fluorine-containing ethane derivatives
07/13/1993US5227545 Process for the preparation of 2,4-dichlorofluorobenzene
07/13/1993US5227350 Fluorination catalyst regeneration
07/08/1993WO1993013041A1 Method of removing chloroform from pentafluorodichloropropane
07/07/1993EP0549980A1 Processes for the preparation of octafluoro-[2,2] paracyclophane
07/07/1993EP0549601A1 Method of preparing extensively fluorinated alkyl bromides.
07/07/1993EP0379512B1 Oxyiodination incorporating an iodine generator for the conversion of methyl iodide to iodine
07/07/1993CN1021513C Process for synthesizing 1-n-butyl azetidene-2-one
06/1993
06/30/1993EP0549387A1 Synthesis of n-perfluorooctylbromide
06/30/1993EP0548744A1 Process for purifying fluoroethanes and chlorofluoroethanes
06/30/1993EP0548742A1 Process for purifying 1,1,1,2-tetrafluoroethane
06/29/1993US5223263 Viricide complex; aids therapy
06/24/1993WO1993012059A1 METHOD OF OBTAINING α-SUBSTITUTED φ-HYDROPERFLUOROALKANES
06/24/1993WO1993012058A1 Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane
06/24/1993WO1993012057A1 PRODUCTION OF HYDROFLUOROCARBONS FROM α-FLUOROETHERS AND α-FLUOROETHERS
06/24/1993WO1993011853A1 Water separation process
06/24/1993CA2125775A1 Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane
06/24/1993CA2124934A1 Production of hydrofluorocarbons
06/24/1993CA2124933A1 Water separation process
06/23/1993EP0547930A1 Improved liquid-phase fluorination process and organic fluorinated products resulting therefrom
06/23/1993CN1073424A Synthesis of N-perfluorooctyl bromide
06/23/1993CN1073423A Process for preparing 1,1-dichloro-1-fluoroethane by fluoridation of liquid-phase 1,1-dichloroethene
06/22/1993US5221697 Storage stability; mixing 1,1-dichloro-1-fluoroethane stabilized by alumina with polyol and polyisocyanate to form a foam
06/16/1993EP0546883A1 Chromium and nickel oxydes-based solid catalysts and the use thereof for the fluorination of halogenated hydrocarbons
06/16/1993EP0546697A1 Process for the bromination of deactivated toluenes in the benzylic position
06/16/1993EP0516690A4 Halogen exchange fluorination
06/15/1993US5220084 Reacting dichlorofluoromethane and excess tetrafluoroethylene in presence of Lewis acid catalyst
06/15/1993US5220083 Synthesis of perfluoropropane
06/15/1993US5220082 Process for production of polyfluoroolefins
06/15/1993US5220081 Process for preventing consolidation of p-dichlorobenzene
06/15/1993US5220048 Substituted benzocyclobutenes, a process for their preparation and their use
06/10/1993WO1993011093A1 Production of 1,1,1-trifluoro-2-chloroethane and/or 1,1,1,2-tetrafluoroethane
06/10/1993WO1993010898A1 Catalyst treatment process
06/10/1993CA2123907A1 Catalyst treatment process
06/09/1993EP0545304A1 Process for the preparation of substituted indenes and their use as ligands for metallocene catalysts
06/09/1993EP0545174A1 Oligomers of fluorinated olefins
06/09/1993EP0364548B1 Octafluorobiphenyls
06/08/1993US5217644 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
06/03/1993DE4139632A1 Purificn. of 1,2-di:chloroethane recovered from vinyl chloride prodn. - by sepg. crude material into streams free of and contg. high boiling substance, and treating former stream with chlorine@ in presence of iron@
06/02/1993EP0543909A1 Preparation of anhydrous niobium and tantalum pentafluorides.
05/1993
05/27/1993WO1993010080A1 Method for inhibiting foulant formation
05/27/1993WO1993010070A1 Production of bis(fluoromethyl)ether and/or difluoromethane from formaldehyde and hydrogen fluoride
05/27/1993WO1993010067A1 Process for producing 1,1,1,4,4,4-hexafluorobutane
05/27/1993DE4138141A1 Chloroform prepn. - by hydrogenating tetra:chloromethane dissolved in inert solvent, in presence of noble metal catalyst
05/26/1993EP0543248A1 Improved process for the nucleus chlorination of aromatic hydrocarbons
05/26/1993EP0542780A1 Process for producing highly fluorinated alkyl bromides.
05/26/1993EP0360829B1 Dehydrobromination of substituted alpha-halocumene
05/25/1993US5214223 Method of preparing fluorine-containing ethane derivatives
05/25/1993CA1318333C Manufacture of chloroform
05/25/1993CA1318332C Process for the preparation of benzotrifluorides which are substituted by fluorine and optionally in addition by chlorine, and new benzotrifluorides
05/25/1993CA1318325C 1-substituted tetralin derivatives, their preparation and their use
05/25/1993CA1318086C Process and composition for stabilization of ar-brominated styrenic monomers against premature polymerization
05/19/1993EP0542290A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/19/1993EP0541871A1 Hydroconversion of a waste feedstock comprising highly reactive organic compounds
05/19/1993EP0541559A1 Catalytic equilibration of selected halocarbons
05/19/1993DE4137782A1 Stabilising R123(a) chloro-fluoro-hydrocarbon(s) against reaction with cold machine oil - using di:oxta:decyl-di:sulphide and or specified tetra-phenol and tris-2-tert-butyl 4 thio-2-methyl-4-hydroxy-5-tert.-butyl-phenyl-5-methyl-phenyl phosphate
05/19/1993CN1020717C Process for 1,1-dichloro-1-fluoroethane
05/18/1993US5212301 Fluorination
05/18/1993US5212248 Reaction with butadiene for chloroalkylation
05/18/1993US5211817 Distillation hydrogen chloride, hydrogen fluoride and fluorocarbon azeotropes
05/18/1993US5211020 Process for separating hfa 134a
05/18/1993CA1317973C Tetralin derivatives, their preparation and their use
05/18/1993CA1317966C Preparation of substituted benzotrichlorides
05/16/1993CA2082844A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/13/1993WO1993009081A1 Process for producing 1,1,1,2,2,4,4,4-octafluorobutane
05/13/1993WO1993009080A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/13/1993WO1993009078A1 Chlorination and elimination process and some products thereof
05/13/1993WO1993009074A2 Chlorination process, alkylation of products of said process and some products thereof
05/13/1993WO1993005002A3 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions
05/13/1993CA2122465A1 Chlorination process, alkylation of products of said process and some products thereof
05/13/1993CA2122265A1 Chlorination and elimination process and some products thereof
05/12/1993EP0541352A1 Method for chlorination of methylated aromatic compounds
05/12/1993EP0540840A1 Stabilized 1,1-dichloro, 1-fluoro ethane
05/12/1993CN1020589C Isomerization of saturated fluorohydrocarbons
05/12/1993CN1020588C Process for detoxifying bottoms draw-off from high temp. chlorination reactor
05/11/1993US5210358 Catalyst composition and process for the preparation of ethylene from ethane
05/11/1993US5210345 Process for the preparation of vinyl chloride
05/11/1993US5210344 Dehydrohalogenation of 1,1,2-trichloroethane using cyclic amines
05/11/1993US5210343 Chlorination of benzene or chlorobenzene in the presence of Friedel-Crafts catalysts and cocatalysts
05/11/1993US5210342 Purification process
05/11/1993US5210341 Processes for the preparation of octafluoro-[2,2]paracyclophane
05/11/1993US5210340 Preparation of polyfluorobutenes
05/05/1993EP0539989A1 Process for the preparation of 1,1,1,2,3,3,3-heptafluoropropane (R 227)
05/05/1993EP0539765A1 Process for the preparation of 2,4-dichlorofluorobenzene
05/05/1993EP0539720A1 Inhibited 141b
05/05/1993EP0539719A1 Stabilized 141b
05/05/1993CN1020449C Insecticidal triffluormethyl alkane derivatives
05/04/1993USH1188 Fluorination of vinylidene chloride with anhydrous hydrogen fluoride in lead dioxide presence
05/04/1993US5208400 Process for producing allyl bromides
05/04/1993US5208399 Oxychlorination of Propylene