Patents
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Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
05/1990
05/15/1990CA1269104A1 Alkene, alkyne or cycloalkylene derivatives
05/14/1990CA2000958A1 Haloalkylation of aromatic compounds
05/10/1990DE3837668A1 Process for the preparation of 1,2-dichloroethane
05/10/1990DE3837575A1 Process for the ring chlorination of aromatic hydrocarbons
05/10/1990DE3837574A1 Process for the ring chlorination of aromatic hydrocarbons
05/09/1990EP0366797A1 Process for producing organofluorine compound
05/09/1990EP0247159B1 Process for the co-production of aromatic carboxylates and alkyl iodides
05/08/1990US4923580 A, a-dibromoalkylarenes, hydrogen bromide, hydrogen peroide
05/02/1990EP0366404A1 Improved process for the preparation of 1,1,1,2-tetrafluoroethane
05/02/1990EP0366123A2 A liquid fluorocarbon and a method for producing the same
05/02/1990EP0365971A2 Method for the production of (substituted) benzyl-benzenes
05/01/1990US4922044 Purification of chloroform
05/01/1990US4922043 Manufacture of methyl chloride by hydrochlorinating methanol, using a split methanol feed
05/01/1990US4922042 Production of 1,2-dichloroethane
05/01/1990US4922041 Method for producing CF3 I
05/01/1990US4922040 Process for extracting 2,5-dichlorotoluene from isomer mixtures with sodium-L zeolite adsorbents
05/01/1990US4922039 Process for separating dichlorocumene isomer
05/01/1990US4922038 Preparation of 1,1,1,2-tetrafluorodichloroethane
05/01/1990US4922037 Forming tetrafluoroethane from chlorotrifluoro-ethane, hydrogen fluoride, metal catalyst
05/01/1990US4921967 Novel alkylcycloalkyl triazolylmethyl ketones as fungicide intermediates
05/01/1990CA1268485A1 Method for the synthesis of iodobenzene
05/01/1990CA1268484A1 Method for the synthesis of iodobenzene
05/01/1990CA1268473A1 Analogs of mevalonolactone and derivatives thereof, processes for their production, pharmaceutical compositions containing them and their use as pharmaceuticals
05/01/1990CA1268467A1 Pesticidal compounds
04/1990
04/25/1990EP0365296A1 Manufacture of 1,1,1,2-tetrafluoroethane
04/25/1990EP0364548A1 Octafluorobiphenyls.
04/25/1990EP0364538A1 Difluorobenzol derivatives.
04/25/1990CA2001421A1 Process for the preparation of 1,1,1,2-tetrafluoroethane
04/24/1990US4919692 Process for removing solvents and other contaminants from an inlet solvent laden air path
04/20/1990CA2000835A1 Chemical process
04/18/1990EP0364103A1 Production of fluorocarbons
04/18/1990EP0363925A1 Process for preparing 1,2-difluoro-1,1,2,2-tetrachloroethane substantially free of 1,1-difluoro-1,2,2,2-tetrachloroethane
04/18/1990EP0363458A1 2,3-difluorobenzenes.
04/17/1990US4918253 Process for the preparation of 1,2,5,6,9,10-hexabromocyclododecane
04/17/1990US4918252 Chemical intermediate for sex pheromone
04/17/1990US4918251 Preparation of 2-halofluorobenzene
04/17/1990US4918215 4-halogenostilbene derivatives and processes for their preparation
04/17/1990US4918158 Heat resistance; dielectrics, matrices, aerospace
04/17/1990US4917819 Good stability, low viscosity, large dielectric ansiotropy
04/11/1990EP0362318A1 2,3-difluorobiphenyls.
04/05/1990WO1990003356A1 Method for the decolorization of chloro-xylene compositions
04/05/1990WO1990003353A1 Liquid phase fluorination
04/05/1990DE3909802A1 Difluormethylverbindungen Difluormethylverbindungen
04/04/1990EP0361578A1 Process for the preparation of fluorinated hydrocarbons
04/04/1990EP0361282A1 Branched perfluoroalkyl halides and process for the preparation thereof
04/04/1990EP0360829A1 Dehydrobromination of substituted alpha-halocumene.
04/04/1990CN1041002A Fliod fluid decontamination system
04/03/1990US4914247 Process for preparing para-substituted halogenobenzene derivatives
04/03/1990US4913729 Postemergence or preemergence
03/1990
03/28/1990EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990CN1040783A Purification of 2,2-dichloro-1,1,1-trifluoroethane
03/27/1990US4912271 Process for the manufacture of vinyl chloride by reaction of acetylene with hydrogen chloride
03/27/1990US4912270 Reacting a halogenated hydrocarbon with hydrogen fluoride
03/27/1990US4912269 Cataltyic reaction of gaseous hydrogen bromide with perfluoroalkane sulphonyl chloride
03/27/1990US4912268 Diazotizing an aromatic amine in presence of hydrogen fluoride; thermally decomposition of aryldiazonium fluoride
03/27/1990US4912238 Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesis
03/27/1990US4911792 Process for the separation of HF via phase separation and distillation
03/27/1990CA1267153A1 Benzonorbornene derivatives; process for preparing the same and cosmetic compositions containing these derivatives
03/27/1990CA1267141A1 Eicosatrynoic acid esters and amides and their use in pharmaceutics and cosmetics
03/21/1990EP0359359A1 Fluid decontamination system
03/21/1990EP0359011A1 Process for removing halogenated hydrocarbons from concentrated hydrochloric acid
03/21/1990CN1007245B Start-up technique for alkylation unit of fluorhydric acid
03/20/1990US4910354 Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination
03/20/1990US4910352 Reduction of 1,1,1-trifluoro-2,2,2-trichloroethane in aqueous solution of sodium sulfide
03/20/1990US4910351 Process for preparing (polyfluoroalkyl)polyfluoroarenes
03/20/1990US4910176 Catalytic process for ethylene dichloride
03/20/1990US4910008 Gas-gas phase contactor
03/14/1990EP0357739A1 Chiral derivatives of 1,2-difluorobenzene
03/14/1990EP0357671A1 Improved process for preparing aromatic fluorides.
03/14/1990EP0357610A1 Insecticidal cyclopropyl-substituted di(aryl) compounds.
03/14/1990CN1040359A Process for separation of hf via azeotropic distillation
03/14/1990CN1040358A Process for separation of hf via phase separation and distillation
03/13/1990US4908415 Method of converting fluorine-containing polymer into lower molecular weight polymer
03/13/1990US4908152 Cyclohexane derivative
03/13/1990CA1266672A1 Dyarylacetylenes, their preparation and their use
03/07/1990EP0357328A1 Purification of 2,2-dichloro -1,1,1-trifluoroethane
03/07/1990EP0356892A1 Process for the preparation of partially fluorinated ethanes
03/06/1990US4906796 Process for purifying 1,1,1,2-tetrafluoroethane
02/1990
02/28/1990EP0356236A2 Chloroethylation of aromatic hydrocarbons
02/28/1990EP0356235A2 Bromoethylation of aromatic hydrocarbons
02/28/1990EP0355907A1 A 1,1,2-trichloro-1,2,2-trifluoroethane hydrogenation process
02/28/1990EP0355767A1 Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluroroethane
02/28/1990EP0355719A1 Process for producing chlorofluorobenzenes
02/28/1990CN1040021A Process for 1,1-dichloro-1-fluoroethane
02/27/1990US4904712 5-Higher alkyl substituted-2H-benzotriazoles in stabilized compositions
02/22/1990WO1990001474A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
02/21/1990CN1039797A Difluoromethyl compounds
02/21/1990CN1039795A Catalyzed hydrofluorination process
02/20/1990US4902842 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds
02/20/1990US4902840 Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes
02/20/1990US4902839 Process for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems
02/20/1990US4902838 Using aluminum fluoride catalyst
02/20/1990US4902835 Fluorinated butene derivatives and methods for their preparation
02/20/1990US4902818 Process for the manufacture of optically active compounds
02/20/1990US4902393 Process for the production of 1,1,2-trichloro-2-methylpropane
02/20/1990US4902312 Carbon molecular sieves for purification of chlorofluorocarbons
02/20/1990US4902310 Extraction into water to remove impurities, distillation
02/20/1990EP0335953A4 Process for producing polybrominated higher alkylbenzenes.
02/14/1990EP0354697A1 Process for the separation of HF via azeotropic distillation
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