Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
10/1996
10/02/1996EP0734369A1 Process for preparing intermediates for the synthesis of antifungal agents
10/02/1996EP0734368A1 Process for perhalofluorinated butanes
10/02/1996EP0734367A1 Process for fluorinated propanes and pentanes
10/02/1996EP0734366A1 Production of pentafluoroethane
10/02/1996CN1132502A Preparation of 1,1,2,3,3-pentafluoropropane
10/01/1996US5561172 Reacting polyol with polyisocyanate in the presence of catalyst and 1,1-dichloro-1-fluoroethane as blowing agent, and stabilizer which prevents decomposition of residual blowing agent
10/01/1996US5561096 Catalytic system comprising a hydrogenation catalyst on a support and process for the hydrodechlorination of chlorofluorinated hydrocarbons
10/01/1996US5560899 Process for separating HF from its mixtures with hydrochlorofluorocarbons 123 and/or 124
10/01/1996US5560869 Stabilized compositions comprising 1,1-dichloro-1-fluoroethane and use of these compositions as blowing agents in premixes intended for the preparation of polyurethane foams
10/01/1996US5560863 Liquid crystals of low viscosity and high positive dielectric anisotropy for electroptical displays, particularly matrix
10/01/1996CA2080146C 1,1-dichloro-1-fluoroethane stabilization
10/01/1996CA2075148C Transmission media covered with lead-free stabilized polyvinyl chloride composition of matter
09/1996
09/26/1996WO1996029296A1 Method for producing fluoroalkanes
09/25/1996EP0733613A1 Process for producing difluoromethane and 1,1,1,2-tetrafluoroethane
09/25/1996EP0733612A1 Process for removing olefinic impurities from 2H-heptafluoropropane (R 227)
09/25/1996EP0733611A1 Process for the preparation of pentafluorethane (R 125)
09/25/1996EP0733042A1 Process for preparing spirocyclic lactams
09/25/1996EP0733031A1 Process and device for cleaning vinyl chloride
09/25/1996EP0723525A4 Process for decreasing chlorine content in chlorinated hydrocarbons
09/25/1996CN1131938A Preparation of fluorinated methanes
09/24/1996US5559278 Dehalogenating fluorocarbon refrigerants with amine base and a metal
09/24/1996US5559277 Process for preparing biphenyls using palladacycles as catalysts
09/24/1996US5559276 Two reaction zones, trichloroethylene, hf
09/24/1996US5559069 Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use
09/24/1996US5558746 Apparatus for quenching a gas stream in the production of vinyl chloride monomer
09/24/1996CA2086632C Synthesis of perfluoroalkyl iodides
09/19/1996WO1996028406A1 Process for producing trans-2-bromoindan-1-ol
09/19/1996WO1996028404A1 Novel intermediates for the synthesis of trifluoromethylated organic compounds
09/19/1996WO1996028401A1 Process for producing unsaturated organic compounds
09/18/1996EP0732316A1 Process for the catalytic dehydrohalogenation of halogenated hydrocarbons
09/18/1996EP0732315A1 Process for the hydrogenolysis of chlorofluorocarbons and hydrochlorofluorocarbons
09/18/1996EP0732314A1 Process for the preparation of difluoromethane
09/18/1996EP0732146A1 Catalysts and catalyst carriers obtained by tabletting
09/18/1996EP0581961B1 Process for producing halogenated butene and butane
09/18/1996CN1131137A Process for purification of difluoromethane
09/18/1996CN1032810C Synthesis process of 2-multifluoro-or perfluoro-alkyl iodohydrocarbon
09/17/1996US5557020 High-purity perfluoro-4-methyl-2-pentene and its preparation and use
09/17/1996US5557019 Halogenation, reduction
09/17/1996US5557018 Partially flourinated polymers and process therefor
09/17/1996US5557017 Method for producing a hydrofluorocarbon
09/17/1996US5557008 Perfluoroalkanoic anhydride, inorganic peroxide
09/17/1996CA2171077A1 Process for preparing difluoromethane
09/17/1996CA2023836C Purification of 1,1-dichloro-1-fluorethane
09/11/1996EP0730902A1 Chlorine gas supply
09/11/1996EP0730566A1 Selectively fluorinated organic compounds
09/11/1996CN1130615A Process for production of fluorinated hydrocarbons
09/11/1996CN1130614A Synthesis of 1,1,1,3,3-pentafluoropropane
09/10/1996US5554316 Hexenediyne derivative and a liquid crystal composition
09/04/1996EP0729932A1 Method of producing halopropane
09/04/1996EP0635468B1 Method of obtaining alpha-substituted omega-hydroperfluoroalkanes
09/04/1996EP0543986B1 Polymeric resin for peptide synthesis
09/04/1996CN1130168A Technology for synthesizing and separating condensed bromoacenaphthylene
09/03/1996US5552549 Process for the dechlorination of chlorinated aromatic compounds
08/1996
08/29/1996WO1996026185A1 Reagent, compound and method for nucleophile perfluoroalkylation, and resulting derivatives
08/29/1996WO1996026172A1 Process for producing pentafluoroethane and tetrafluorochloroethane
08/29/1996WO1996026171A1 Oxychlorination of ethylene in two stage fixed-bed reactor
08/29/1996WO1996026003A1 Device and use thereof for oxi-chlorination
08/29/1996DE19505664A1 Vorrichtung und ihre Verwendung zur Oxichlorierung Apparatus and their use for the oxychlorination
08/28/1996EP0728720A1 Process for producing 1,1,1,3,3-pentafluoropropane
08/28/1996EP0728126A1 Preparation of 1,1,2,3,3-pentafluoropropane
08/28/1996CN1129714A Conjugated polymers having spiro centers and their use as electroluminescence materials
08/28/1996CN1129687A Method for separating hydrogen chloride
08/28/1996CN1032645C Process for preparation of 1,1,1,2-tetrafluoroethane
08/22/1996WO1996025379A1 Process for preparing 1,1,1,3,3-pentafluoropropane
08/22/1996WO1996025378A1 Synthesis of tetrafluoroethylene
08/22/1996WO1996025377A1 Method for coproducing difluoromethane and 1,1,1,2-tetrafluoroethane
08/22/1996WO1996025376A1 Process for preparing olefins
08/22/1996CA2211719A1 Process for preparing olefins
08/21/1996EP0727629A2 Cryogenic rectification system for fluorine compound recovery
08/21/1996EP0726888A1 Process for manufacture of high purity 1,1-dichlorotetrafluoroethane
08/21/1996EP0726887A1 Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with hf
08/21/1996EP0630362B1 Purification of hexafluoroethane products
08/15/1996WO1996024570A1 Process for producing difluoromethane and difluorochloromethane
08/15/1996WO1996024569A1 Method for purifying pentafluoroethane
08/14/1996EP0726245A1 Process for the preparation of derivatives of fluorocyclopropan
08/14/1996EP0726243A1 Method for manufacturing 1,1,1,2,3-pentafluoropropene and method for manufacturing 1,1,1,2,3-pentafluoropropane
08/14/1996EP0576613B1 Process for the manufacture of 2-chloro-1,1,1-trifluoroethane
08/14/1996CN1128985A Synthesis of substituted triphenylenes, useful as discotic liquid crystals
08/14/1996CN1128748A Synthesis of hexabromocyclo dihexyl
08/13/1996US5545781 Process for dehydrochlorinating 3,4-dichloro-1-butene to yield chloroprene
08/13/1996US5545780 Process for the preparation of vinyl chloride
08/13/1996US5545779 Low temperature catalytic hydrogenation of chlorobenzenes using chlorides of palladium and/or platinum on alumina or titania support for partial or complete dechlorination
08/13/1996US5545778 Fluorinating perchloroethylene with hydrogen fluoride in presence of fluorination catalyst, distillating reaction product, separation using scrubber to remove excess of hydrogen fluoride and hydrochloride formed, recycling
08/13/1996US5545777 Process for producing a hydrogen-containing 2,2-difluoropropane
08/13/1996US5545776 Synthesis of n-perfluorooctyl bromide
08/13/1996US5545775 Liquid phase process for the preparation of 1,1-difluoroethane
08/13/1996US5545774 Contacting 1,1,1,3,3,3-hexachloropropane with hydrogen fluoride in vapor phase in presence of trivalent chromium catalyst supported on low ash carbon
08/13/1996US5545773 Liquid phase fluorination process and fluorinated organic products resulting therefrom
08/13/1996US5545772 Process for the preparation of 1,1,1-trifluoroethane
08/13/1996US5545771 Process for preparation of gem-difluoroalkanes
08/13/1996US5545770 Contacting mixture of perhalogenated hydrocarbons with hydrogen fluoride over fluorination catalyst at elevated temperature, recovering product, isomerizing and recycling trichlorotrifluoroethane produced
08/13/1996US5545769 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
08/13/1996US5545651 Hypotensive agents
08/13/1996US5545388 Catalytic transfer hydrogention
08/11/1996CA2169043A1 Process for the preparation of fluorocyclopropane derivatives
08/08/1996WO1996023752A1 SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION
08/08/1996WO1996016009A3 Hydrofluorocarbon production using heat carriers in high temperature hydrogenolysis
08/07/1996EP0725050A1 Process for the preparation of nuclear halides of benzotrichlorides from the corresponding benzotrifluorides
08/07/1996EP0725049A1 Process for preparing aromatic olefins by palladacycle catalysis
08/07/1996EP0724579A1 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity