Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
09/1993
09/29/1993EP0562509A1 Reactivation of an activated carbon catalyst used for preparing 1,1,1,2,3,3,3-heptafluoropropane
09/29/1993EP0562435A1 Process for the preparation of 3,5-difluoroaniline
09/29/1993EP0562034A1 Production of alkenes.
09/29/1993EP0420916B1 Catalyzed hydrofluorination process
09/29/1993EP0388427B1 Continuous decomposition of diazonium fluorides
09/29/1993EP0308438B1 Liquid crystal phase containing tolanes
09/29/1993CN1076686A Improved gas-phase fluorating process for preparation of difluoromethane
09/22/1993EP0561554A1 Hydrogen chloride recovery process
09/22/1993EP0560883A1 Process for regenerating a zeolite catalyst.
09/22/1993EP0552252A4 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
09/22/1993EP0414686B1 Derivatives of trifluoromethyl-1-tetralines, preparation and application thereof for the synthesis of compounds having therapeutic properties
09/22/1993CN1076459A Method of producing rigid polyurethane foams
09/21/1993US5246903 Process and catalyst for the dehydrohalogenation of halogenated hydrocarbons or alkylene halohydrins
09/21/1993US5246626 Stabilizing 1,1-dichloro-1-fluoroethane by contacting with alumina
09/21/1993US5246625 Stabilized 141B
09/21/1993US5246601 Filter cloth porosity
09/16/1993WO1993017988A1 Purification of hexafluoroethane products
09/15/1993EP0560546A1 Production for preparaing alkanols and alkyl halides
09/15/1993EP0560382A1 Difluoroethylene compounds and liquid crystal compositions containing them
09/14/1993US5244545 Preparation of acetic anhydride by contacting carbon monoxide with methyl iodide and methyl acetate and/or dimethyl ether in presence of catalyst and acetic acid; distillation
09/14/1993CA1322203C Process for preparing fluorinated c_ to c_ hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems
09/11/1993CA2088939A1 Low temperature conversion of alkanes
09/08/1993EP0559264A1 Process for the stabilization of a hydrofluoroalkane and compositions containing at least a hydrofluoroalkane
09/08/1993EP0558997A1 Process for reducing the halogen-content of polyhalogenated aromatics
09/08/1993CN1075949A Synthesis of 2,4-dichloro-fluobenzene
09/07/1993US5243111 Introducing solution or suspension of catalytic copper compound into fluidized charge during reaction
09/07/1993US5243110 Dehydrochlorination of 1,1-bis(r-phenyl)-2,2,2-trichloroethanes
09/07/1993US5243109 Tribromostyrene products and process for making them
09/07/1993US5243108 Aluminum fluoride catalyst compositions and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
09/07/1993US5243107 Chemical process
09/07/1993US5243106 Hydrodechlorination and catalysts
09/07/1993US5243105 For preparing 1,1,1,2-tetrafluoroethylene by heating the reaction product of trichloroethylene and hydrogen fluoride with fluorination catalyst
09/07/1993US5243104 Process for preparing chlorotrifluoroethylene
09/07/1993US5243103 Trichloroethylene from chlorotrifluoroethylene
09/07/1993US5243098 Conversion of methane to methanol
09/07/1993US5243063 Method for inhibiting foulant formation in a non-aqueous process stream
09/03/1993CA2090085A1 Stabilization of a hydrofluoroalcane and compositions containing at least one hydrofluoroalcane
09/02/1993WO1993016974A1 Method of purifying perfluorocarbons, and use of the perfluorocarbons thus purified
09/02/1993WO1993016973A1 Process for producing 1,1,1,2,2,4,4,5,5,5-decafluoropentane
09/02/1993WO1993016969A1 Polyfluoroalkylation of aromatic compounds
09/02/1993WO1993016798A1 Fluorination catalyst and process
09/02/1993CA2130441A1 Method of purifying perfluorocarbons, and use of the perfluorocarbons thus purified
09/02/1993CA2128434A1 Fluorination of catalyst and process
09/01/1993EP0558415A1 Method of improving a smooth oxidation reaction
09/01/1993EP0558096A1 Process for the preparation of dichloro-(2,2)-paracyclophane
09/01/1993EP0393088B1 Process for the co-production of aromatic carboxylates and alkyl iodides
09/01/1993CN1075709A Preparation process for 1, 1, 1-trifluoro-2-chloroethane
09/01/1993CN1075708A Preparation process for 1, 1, 1, 2-tetrafluoroethane
09/01/1993CN1021966C Purification of saturated halocarbons
08/1993
08/31/1993US5241111 Processes for producing 5-fluorobenzoic acids and their intermediates
08/31/1993US5241086 Containing an alcohol with thionyl chloride phosgene or phosphorous oxychloride and brominating resulting reaction product
08/31/1993US5240574 Process for the photochemical production of halogen compounds
08/31/1993US5240566 Distillation, adding sulfuric acid and water
08/31/1993US5240469 Antifoulant composition comprising an acrylate ester containing C4 -C22 alcohol esters and amino alcohol esters and phenylene diamine
08/31/1993CA1321798C Preparation of polyfluorobutenes
08/31/1993CA1321797C Process for preparing telomers from chlorotrifluoroethylene and 1,1-dibromo-1- chlorotrifluoroethane
08/28/1993CA2090375A1 Method for enhancing an oxidation reaction
08/26/1993DE4205341A1 Verfahren zur reinigung von perfluorcarbonen und verwendung der gereinigten perfluorcarbone Method for cleaning of perfluorocarbons and use of the purified perfluorocarbons
08/25/1993EP0556893A1 Process for the preparation of 1,1-difluoro-2-chloroethylene from 1,1-difluoro-1,2,2-trichloroethane
08/25/1993EP0556337A1 Oxyiodination process for manufacture of 2,6-diiodonaphthalene
08/19/1993WO1993016122A1 Process for producing rigid polyurethane foam
08/19/1993WO1993016022A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
08/19/1993CA2129136A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
08/18/1993EP0555914A1 Process for the stabilization of compositions containing hydrofluoroalkanes and stabilized compositions containing hydrofluoroalkanes
08/18/1993EP0555260A1 Process for the production of diaryls.
08/17/1993US5237114 Quarternary ammonium agent reacts with oxy acid; separation
08/17/1993CA1321402C Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluoroethane
08/14/1993WO1993016024A1 Novel antitumor compound, compositions and method of use
08/14/1993CA2129956A1 Novel antitumor compound, compositions and method of use
08/11/1993EP0554739A2 Preparation of hexafluoromethane by pyrolic decomposition of trifluorobromomethane
08/11/1993CN1075134A Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
08/10/1993CA1321213C Bromination process
08/10/1993CA1321212C Process for halogenating cyclobutenoarenes
08/05/1993WO1993015086A1 Highly reactive forms of zinc and reagents thereof
08/04/1993EP0554165A1 Process for the preparation of 1,1,1,2-tetra-fluoroethane
08/04/1993EP0362318B1 2,3-difluorobiphenyls
08/03/1993US5233108 Catalytic hydrochlorination system and process for the manufacture of vinyl chloride from acetylene and hydrogen chloride in the presence of this catalytic system
08/03/1993US5233107 Removal of olefinic impurities in gas phase by passing over zeolite
08/03/1993US5233106 Catalytic reaction of chloromethanes with hydrogen using copper, rhodium or palladium in elemental or compound form on activated charcoal support
08/03/1993US5233105 Process for halogen-fluorine exchange in organic compounds and catalysts for this process
08/03/1993US5233104 Process for trifluoromethylation of aromatic compounds
08/03/1993US5233075 Process for the preparation of aromatic carboxylic acid esters
08/03/1993US5233074 Process for selectively ortho-fluorinating substituted aromatic compounds
08/03/1993US5232624 Chiral 1,2-difluorobenzene derivatives
08/02/1993CA2088451A1 Preparation of hexafluoroethane by pyrolytic decomposition of cf br
07/1993
07/28/1993EP0552303A1 Process for production of polyfluoroolefins.
07/28/1993EP0552253A1 Acetone removal process.
07/28/1993EP0552252A1 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions.
07/28/1993EP0525177A4 Unimolecular micelles and method of making the same
07/28/1993CN1074674A Method for removing olefinic impurities from hydrochlorofluorocarbons
07/27/1993US5231232 Method of preparing C-18 ketones used in the manufacture of Vitamins E and K
07/27/1993US5231205 Formation of silanes from magnesium salts and dienes
07/27/1993US5230826 Electrooptics
07/22/1993WO1993014052A1 Method for removing olefinic impurities from hydrochlorofluorocarbons
07/22/1993WO1993014051A1 Process for producing halogenated butene and butane
07/22/1993WO1993009074A3 Chlorination process, alkylation of products of said process and some products thereof
07/21/1993EP0552076A1 Synthesis of perfluoroalkyliodides
07/21/1993EP0551838A2 Treatment of the hydrogen fluoride-phase from reaction mixtures
07/21/1993EP0551680A1 Process for the purification 1,1-dichloro-1-fluorethane
07/21/1993EP0551632A2 Process for the preparation of halogenoanthranilic acid