Patents
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Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
06/1991
06/13/1991DE4000535A1 1,4-Di:substd. 2,6-di:fluoro-benzene cpds. - useful as components of liq. crystal media
06/12/1991EP0431373A2 Processes for producing 5-fluorbenzoic acids and their intermediates
06/12/1991EP0179788B1 Pesticides
06/12/1991CN1052108A Synthese of perfluoroalkylbromide
06/11/1991US5023387 Liquid feed injection in a chloromethanes process
06/11/1991US5023377 Process for preparing fluorinated compounds
06/11/1991US5023057 Carbon particles travelling on a carrier surface reacted with fluorine diluted with an inert gas; continuous processing; nonflammable
06/07/1991WO1991008184A2 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
06/07/1991CA2046590A1 1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid crystalline medium
06/05/1991EP0430434A2 Process for the preparation of fluoroaromatic and fluoroheteroaromatic compounds
06/05/1991EP0429967A1 Process for the liquid phase chlorination of 1,3-butadiene
06/05/1991EP0429921A1 Process for preparing 3-methyl-benzylchloride
06/05/1991CN1051904A Process for chlorofluoropropanes
05/1991
05/29/1991EP0429331A1 Process for the preparation of perfluoroalkyl bromides
05/29/1991EP0429059A2 Process for producing hexabromocyclododecane
05/29/1991EP0428791A1 Process for using an improved catalyst for dehydrohalogenation
05/29/1991EP0428708A1 Process for preparing a polymer having perfluorocyclobutane rings and polymers containing perfluorocyclobutane rings.
05/29/1991EP0428666A1 Fluoro-chloro-benzene derivatives.
05/29/1991CN1051724A Process for preparing halogenoalkanes
05/28/1991US5019669 Alkylation of organic aromatic compounds
05/28/1991US5019652 Catalysts and method
05/28/1991CA1284495C Chlorination of carbohydrates and other alcohols
05/25/1991CA2029376A1 Syntheses of perfluoroalkyl bromides
05/22/1991EP0428166A1 Process for preparing methylhalides
05/22/1991EP0428039A1 Process for the preparation of highly fluorinated alkylbromides
05/22/1991EP0427782A1 Terminal chlorination of normal alkane hydrocarbons
05/21/1991US5017734 Ethynyl adamantane derivatives and methods of polymerization thereof
05/21/1991US5017732 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom
05/21/1991US5017718 Process for preparing polyfluoroalkyl-substituted compounds
05/16/1991WO1991006521A2 Chlorofluorohydrocarbon purification process
05/16/1991DE4033047A1 Sepg. benzene from di:chloroethane recovered from vinyl] chloride mfr. - by flash-evapn. of part of the column bottom prod., chlorinating in presence of iron and distilling with the unpurified part
05/15/1991EP0427603A1 Process for the preparation of fluorinated aromatic compounds and catalysts based on Lewis-acids
05/15/1991EP0427096A1 Process for the stabilisation chlorinated paraffins
05/15/1991EP0426815A1 Fluorinated biphenyl derivatives.
05/15/1991CN1051351A Process for mfr. of 1,1-dichlorotetrafluoroethane
05/15/1991CN1051350A Prepn. of fluoroxy trifluoro methane by catalytic method
05/15/1991CN1051349A Fluorocarbon purification process
05/15/1991CN1051348A Chlorofluorohydrocarbon purification process
05/14/1991US5015792 Preparation of 4,4'-dibromobiphenyl
05/14/1991US5015791 Catalyzed hydrofluorination of alkenes
05/14/1991US5015685 Fireproofing agents for polymers formed by bromination of tetralin in the presence of a catalyst and mixing with polymers
05/08/1991EP0426343A1 Process for manufacture of 1,1-dichlorotetrafluoroethane
05/08/1991EP0425888A1 Process for the preparation of polychloro-fluor-cyclopentenes
05/08/1991EP0425887A2 Process for halogen-fluor exchange in organic compounds and catalysts therefor
05/08/1991EP0425540A1 Catalyzed hydrofluorination process.
05/08/1991EP0425538A1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES.
05/08/1991DE4033048A1 1,2-Di:chloroethane prodn. by oxychlorination of ethylene - by adding ethylene to recycle gas and oxygen to hydrogen chloride before reaction zone and working gas
05/08/1991DE3936823A1 New 1,2-di:aryl-3-chloro-propene cpds.
05/08/1991CN1051167A Halocarbon hydrogenolysis
05/07/1991US5013472 Hydraulic fluids and oils, endcapped perhaloalkyl oxyfluoride
05/07/1991CA2029328A1 Process for preparing fluorinated aromatic derivatives with a lewis acid catalyst
05/02/1991WO1991005753A1 Process for chlorofluoropropanes
05/02/1991WO1991003442A3 Process for separating mixtures of partially fluorinated or perfluorinated hydrocarbon compounds
05/02/1991EP0424847A1 The method for parallel-producing 2,5-dichlorotoluene and 2,6-dichlorotoluene
05/02/1991EP0424531A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/02/1991DE3935861A1 Verfahren zur herstellung von fluorbenzolen und fluortoluolen Process for the preparation of fluorobenzenes and fluortoluolen
05/02/1991DE3935493A1 Di:chloro-per:fluoro-mono-cyclo-olefin cpds. - prepd. by reacting per:chloro-mono-cyclo:olefin atmos with hydrogen fluoride
05/01/1991CA2028486A1 Process for manufacture of 1,1-dichloretetrafluoroethane
04/1991
04/30/1991US5012018 Polyprenyl composition of compounds and process for the production thereof
04/30/1991US5011955 Oxidation of tetraalkyl-substituted 1,1,1-triaryl-2,2,2-trifluoroethane to tetracarboxy compound; nucleophilic displacement for other derivatives
04/30/1991US5011808 Mixture of metallic chlorides on a support
04/28/1991WO1991006523A1 Method of preparation of fluorobenzenes and fluorotoluenes
04/28/1991WO1991006518A1 Method of preparation of fluorobenzenes
04/28/1991CA2070412A1 Process for the preparation of fluorobenzenes
04/28/1991CA2070386A1 Process for the preparation of fluorobenzenes and fluorotoluenes
04/25/1991DE4032450A1 Producing alkyl halide(s) from cellulose etherification by prods. - by reaction of alcohol and/or di:alkyl ether by products with hydrogen chloride gas, etc.
04/24/1991EP0423580A1 Process for the recovery of vinylchloride
04/24/1991EP0423479A1 Method for the production of 4,4'-dihalogenated oligophenyls
04/24/1991CN1050894A Process for the synthesis of dielectric fluids
04/23/1991US5010208 Novel alkylcycloalkyl triazolylmethyl ketones as fungicide intermediates
04/21/1991WO1991005750A2 Process for producing fluorinated organic compounds
04/21/1991CA2067387A1 Process for producing fluorinated organic compounds
04/18/1991WO1991005035A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/18/1991WO1991004955A1 Fluorocarbon purification process
04/18/1991CA2067218A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/17/1991EP0422986A1 Process for the preparation of dielectric fluids
04/17/1991EP0422958A1 Dicyclohexylethylene derivatives
04/17/1991EP0422789A1 Haloethylation of aromatic hydrocarbons
04/17/1991EP0422788A1 Haloethylation of aromatic hydrocarbons
04/17/1991EP0422203A1 Liquid feed injection in a chloromethanes process.
04/17/1991EP0422098A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
04/16/1991US5008477 Decabromodiphenyl alkane process
04/16/1991US5008476 Using hydrogen fluoride to inhibit disproportionation and enhance yield
04/16/1991US5008475 Catalysis of reaction of tetrahaloethylene and hydrofluoric acid to produce 1,1,1-trifluorodichloroethane and/or tetrafluorochloroethane
04/16/1991US5008474 Process for the manufacture of 1-chloro-1,1-difluoroethane
04/16/1991US5008225 Catalytic dehydrohalogenation catalyst
04/16/1991CA1283131C Preparation of deuterated methylene chloride
04/16/1991CA1283130C Cotelomers of vinilydene fluoride with fluorinated olefins and processfor their preparation
04/11/1991WO1991005752A1 Halocarbon hydrogenolysis
04/11/1991CA2067370A1 Halocarbon hydrogenolysis
04/11/1991CA2025733A1 Haloethylation of aromatic hydrocarbons
04/10/1991EP0421830A1 Process for the preparation of 1,1,1-chlorodifluoroethane
04/10/1991EP0421322A1 Process for preparing penta-fluorodichloropropanes
04/10/1991EP0421122A1 Method for the production of p-chlorotoluene
04/10/1991EP0420932A1 Catalyzed hydrofluorination of alkenes.
04/10/1991EP0420916A1 Catalyzed hydrofluorination process.
04/09/1991CA1282798C Processes for preparing iodinated aromatic compounds
04/09/1991CA1282789C Process for the co-production of aromatic carboxylates and alkyl iodides
04/05/1991CA2026825A1 Fluorocarbon purification process
04/03/1991EP0420709A1 Purification of 1,1-dichloro-1-fluoroethane
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