Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
05/1997
05/14/1997EP0772576A1 Process and device for preparing 1,2-dichloroethane by direct chlorination with waste gas recirculation
05/14/1997EP0772575A1 Preparation of halogenated compounds
05/14/1997EP0738251A4 Palladium catalyzed alkylative cyclization useful in syntheses of vitamin d and analogues
05/13/1997US5629462 Hydrodehalogenation catalysts and their preparation and use
05/13/1997US5629461 Method of producing 1,1,2,2,3-pentafluoropropane
05/13/1997US5628930 Stabilization of fluorocarbon emulsions
05/13/1997CA2088460C Process for preparing 1,1,1,2-tetrafluoroethane
05/13/1997CA2069018C Synthesis of perfluoroalkyl bromides
05/12/1997CA2189945A1 Process for preparing fluorinated aromatics
05/11/1997CA2190022A1 Chromium oxide-containing mass catalysts; process for preparing the same and their use for the fluorination of halogenated hydrocarbons
05/09/1997WO1997016502A1 Methods for purifying refrigerants with aqueous solutions of bases
05/07/1997EP0771778A2 Process for producing all trans-form polyprenols
05/07/1997EP0771776A1 Process for removing titanium or vanadium alkoxide from liquid hydrocarbon mixtures
05/07/1997CN1149286A Single stage process for producing hydrofluorocarbons from perchloroethylene
05/06/1997US5626793 Liquid-crystalline compounds
05/06/1997US5626725 Process for separation of 1,1-difluoroethane from its mixture with hydrogen fluoride
05/06/1997US5626023 Cryogenic rectification system for fluorine compound recovery using additive liquid
05/02/1997EP0770588A1 Process for producing difluoromethane
05/02/1997EP0770083A1 PYRIDO[3,2,1-i,j][3,1]BENZOXAZINE DERIVATIVES
05/02/1997EP0770065A1 Tri-substituted phenyl derivates useful as pde iv inhibitors
05/02/1997EP0770048A1 Process for the manufacture of 1,1,1,3,3-pentafluoropropane
05/01/1997WO1997015540A1 Method for preparing 1,1,1,3,3-pentafluoropropane
05/01/1997CA2189193A1 Process for producing all trans-form polyprenols
04/1997
04/29/1997US5625019 Peroxide curable fluoroelastomers, particularly suitable for manufacturing O-rings
04/24/1997WO1997014666A1 Processes for the preparation of octafluoro-[2,2]paracyclophane
04/23/1997EP0628019B1 Polyfluoroalkylation of aromatic compounds
04/22/1997US5623150 Alkali metal or alkaline-earth metal inorganic or organic salts used as stabilizers for partially halogenated fluorinated aliphatic hydrocarbon blowing agents, used for manufacture of polyurethanes
04/22/1997US5623092 Zinc promoted chromia-type catalyst
04/22/1997US5623091 Process for the production of bis(fluoromethyl)ether
04/22/1997US5622682 Method for concentration and recovery of halocarbons from effluent gas streams
04/22/1997CA2135561C Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization
04/17/1997WO1997013821A1 Fluorine-substituted alkenyl liquid crystalline compounds
04/17/1997WO1997013737A1 Process for producing 1,1,1,3,3-pentafluoropropane
04/17/1997WO1997013719A1 Hydrogen fluoride recovery process
04/17/1997CA2234693A1 Hydrogen fluoride recovery process
04/16/1997EP0768291A2 Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid
04/16/1997EP0768289A1 Process for producing fluorinated alkene derivative and fluorinated alkane derivative
04/16/1997EP0767768A1 Haloalkylation process
04/16/1997EP0767704A1 Cyclonic reactor
04/16/1997EP0660827B1 Heterocyclic compounds with parasitical activity
04/16/1997EP0660815B1 Pesticidal fluoroolefins
04/15/1997US5621153 Process for the preparation of chloro-alkylbenzenes and novel cocatalysts therefor
04/15/1997US5621152 Process for removing olefinic impurities from 2H-heptafluoropropane (R 227)
04/15/1997US5621151 Halocarbon hydrogenolysis
04/15/1997US5621147 Liquid crystal intermediates
04/15/1997US5621131 Conjugated polymers having spiro centers and their use as electroluminescence materials
04/10/1997WO1997012852A1 Semi-fluorinated alkanes and their use
04/10/1997DE19534917A1 Verfahren zur Herstellung von Heptafluorpropan A process for the production of heptafluoropropane
04/09/1997EP0767158A1 Process for producing difluoromethane
04/09/1997EP0767157A1 Method for production of benzene halide
04/09/1997EP0766669A1 Tri-substituted phenyl derivatives useful as pde iv inhibitors
04/09/1997CN1147242A Pesticidal fluoroolefins
04/08/1997US5618986 Method for producing a hydrofluorocarbon
04/08/1997US5618943 Skin disorders, antiinflammatory agents
04/08/1997US5618931 Acetylenes disubstituted with a 5 substituted dihydronaphthyl group and with an aryl or heteroaryl group having retinoid-like biological activity
04/08/1997US5618839 Retinoid-like compounds
04/03/1997WO1997011928A1 Methanol process for natural gas conversion
04/03/1997DE19536504A1 Fluorierte Alkane und ihre Verwendung Fluorinated alkanes and their use
04/01/1997US5616821 Methods for purifying and recovering contaminated refrigerants with solutions of bases in organic solvents
04/01/1997US5616820 Process for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane and of pentafluoroethane
04/01/1997US5616819 Process for preparing fluorinated aliphatic compounds
04/01/1997US5616663 Transition metal compound, aluminoxane, compound which reacts with transition metal compound to form ion pair
04/01/1997CA1339037C Branched perfluoroalkyl halides and preparation thereof
04/01/1997CA1339036C Bromoethylation of aromatic hydrocarbons
04/01/1997CA1339035C Chloroethylation of aromatic hydrocarbons
03/1997
03/27/1997WO1997011043A1 Process for the production of difluoromethane
03/27/1997WO1997011042A1 Method for preparing heptafluoropropane
03/27/1997DE19533850A1 Photovoltaische Zelle A photovoltaic cell
03/26/1997CN1034327C Process for producing 1,1,1,2-tetrafluoroethane
03/20/1997WO1997010617A1 Photo-voltaic cell
03/20/1997WO1997010193A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/20/1997WO1997010192A1 1,1-difluoro-1,4-dichlorobutane and process for its preparation
03/20/1997WO1997010053A1 Catalyst for fluorinating halohydrocarbon
03/20/1997CA2231726A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/20/1997CA2230247A1 1,1-difluoro-1,4-dichlorobutane and process for its preparation
03/19/1997EP0763004A1 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with hf
03/19/1997EP0662937B1 Process for converting 1,2-dichloropropane to propylene
03/19/1997CN1145417A Composition based on stabilized methylene chiloride which can be used for degreasing metals
03/19/1997CN1145275A Catalyst for fluoreation of halogenated hydrocarbon
03/18/1997US5611896 Production of fluorocarbon compounds
03/18/1997US5611840 Process for separating out hydrogen chloride
03/18/1997CA2092901C Acetone removal process
03/18/1997CA2008341C Benzocycloalcenyl dihydroxy alcanoic acid derivatives, process for their preparation and drugs containing the same
03/13/1997WO1997009292A1 Process for the preparation of 4-bromo-1,1-difluorobut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
03/12/1997EP0761799A1 Liquid crystalline compound substituted with fluorine containing group, liquid crystal composition, and liquid crystal display device
03/12/1997EP0761627A1 Process for the preparation of p-bromofluorobenzene
03/12/1997EP0760825A1 Carbon based initiators for polymerization and telomerization of vinyl monomers
03/12/1997EP0760808A1 Single stage process for producing hydrofluorocarbons from perchloroethylene
03/12/1997EP0462237B1 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
03/06/1997WO1997008118A1 Novel fluorinated organic compounds, ophthalmological applications thereof and method for making same
03/06/1997WO1997008117A1 Process for preparing fluorinated aliphatic compounds
03/06/1997CA2230484A1 Process for preparing fluorinated aliphatic compounds
03/05/1997EP0760356A2 Process for the manufacture of pentafluoroethane
03/05/1997EP0759895A1 Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
03/05/1997CN1144321A Cryagenic rectification system for fluorine compound recovery
03/05/1997CN1144213A Process for manufacture of difluoromethane
03/05/1997CN1034167C Process for purifying 1,1,1,2-tetrafluoroethane
03/05/1997CN1034166C Process for synthesising 1,2-dichloroethane by oxychloration of ethylene with carbon tetrachloride
03/04/1997US5608197 Molecular processes and apparatus
03/04/1997US5608135 Process for decreasing chlorine content of chlorinated hydrocarbons