Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
10/1998
10/14/1998CN1196040A 1,1-difluoro-1,4-dichlorobutane and process for its preparation
10/14/1998CN1196039A Method for preparing alpha, omega-bromochloroalkanes
10/14/1998CN1196038A Method for preparing alpha, omega-bromochloroalcanes
10/14/1998CN1196037A Distillation processes for removing CFC-115 and hydrofluoric acid from HFC-125
10/13/1998US5821394 Reacting chlorinated alkane with hydrogen in presence of supported catalyst comprising palladium and additional metal
10/13/1998US5821393 Reacting alkyl-substituted aromatic hydrocarbon with brominating agent in the presence of water
10/13/1998US5821392 Manufacturing method for 1,1,1,3,3-pentafluoropropane
10/13/1998US5821387 Polyarenes from aryl ketones with application to synthesis of crisnatol mesylate
10/13/1998US5820785 Fluoroalkylethnyl- and difluoroalkylethynylbenzenes, and their use in liquid-crystal mixtures
10/08/1998WO1998043983A1 Polyhalogenated monoheteroborane anion compositions
10/08/1998WO1998043933A1 Process for producing aliphatic unsaturated fluorinated hydrocarbon compounds
10/07/1998EP0739330B1 Aqueous submersion pyrolyzation of fluoroform
10/07/1998EP0688754B1 Dicyclohexylethylene derivative
10/07/1998CN1040099C Preparation process for 1,1,1,2-tetrafluoroethane
10/07/1998CA2233799A1 Method of making m-chlorobenzotrifluoride
10/06/1998US5817896 Catalytic method of replacing halogen in halocarbons
10/06/1998US5817894 Process for the preparation of difluoromethane
10/06/1998US5817893 Chlorination of 2,2,3,3-tetrafluorobutane; hydrofluorination;hydrogenolysis
10/06/1998US5817882 Reacting 2-(1-haloalkyl)-1,3,2-dioxaborolane with grignard reagents
10/06/1998US5817835 Cocatalysts in chlorination of toluene
10/01/1998WO1998042676A1 Synthesis of intermediates useful in preparing tricyclic compounds
10/01/1998WO1998042645A1 Addition of hydrofluorocarbons to fluoroolefins
09/1998
09/30/1998EP0867423A1 Process for the preparation of 1,1-Diphenylethanes
09/30/1998EP0772575B1 Preparation of halogenated compounds
09/29/1998US5814651 Catechol diethers as selective PDEIV inhibitors
09/24/1998WO1998041491A1 Oligomeric flame retardant additive
09/24/1998WO1998041490A1 Af4 synthesis
09/24/1998CA2283735A1 Oligomeric flame retardant additive
09/23/1998EP0866046A1 Catalytic process for selective aromatic bromination
09/23/1998CN1193620A Perfluorocompound separation and purification method and system
09/23/1998CN1193619A Improved process and system for separation and recovery of perfluorocompound gases
09/22/1998US5811605 Preparation of 1,2,3,3-tetrachloropropene
09/22/1998US5811604 Continuous production of 1,1,1,3,3,3-hexafluoropropane and 1-chloro-1,1,3,3,3-pentafluoropropane
09/22/1998US5811603 Reacting 1,1,3,3-tetrachloropropene(1230za) with hydrogen fluoride using an aluminum fluoride or chromium compound to produce 1-chloro-3,3,3-trifluoropropene, 1,3,3,3-tetrafluoro-propene and 1,1,1,3,3-pentafluoropropane
09/17/1998WO1998040335A1 Process for producing 1,1,1,3,3-pentafluoropropane
09/17/1998WO1998040334A1 Fluorination process
09/17/1998WO1998040333A1 Improved process for preparing cyclopropylacetylene
09/17/1998CA2283118A1 Improved process for preparing cyclopropylacetylene
09/16/1998EP0864554A1 Method for purifying crude 1,1,1,3,3-pentafluoropropane
09/16/1998EP0863931A2 Poly(9,9'-spiro-bisfluorenes), the production and use of same
09/16/1998EP0863863A1 Novel fluorinated organic compounds, ophthalmological applications thereof and method for making same
09/16/1998EP0863862A1 Process for the manufacture of halocarbons
09/15/1998US5808083 Acetylenes disubstituted with a 5 alkyl, aryl or heteroaryl substituted dihydronaphthyl group and with an aryl or heteroaryl group having retinoid-like biological activity
09/15/1998US5807500 Fluorinated biphenylcyclohexanes, and liquid-crystalline medium
09/11/1998WO1998039287A1 Benzanthrone compounds and antiviral uses thereof
09/10/1998DE19709401A1 Halogenation of cyclopropyl methyl ketone
09/09/1998EP0863118A1 Preparation of Brominated Indanes
09/09/1998EP0693100B1 Brominated diphenylalkane products and processes
09/02/1998EP0861828A1 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions and liquid crystal display elements
09/02/1998EP0525177B1 Unimolecular micelles and method of making the same
09/02/1998CN1192223A 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
09/02/1998CN1191884A Continuous chlorinated-paraffin producing process
09/02/1998CN1191856A Process for preparation of cyclopropylacetylene derivatives
09/01/1998US5801294 Process for the purification of saturated hydrofluorocarbons
09/01/1998US5800734 Liquid crystals, electrooptical displays
09/01/1998US5800682 Process for the production of difluoromethane
08/1998
08/27/1998WO1998037046A1 PROCESS FOR THE MANUFACTURE OF TETRABROMOBISPHENOL-A WITH CO-PRODUCTION OF n-PROPYL BROMIDE
08/27/1998WO1998037044A1 Method for cleaning methyl chloride contaminated with c1-c3 hydrocarbons and/or isobutane
08/27/1998WO1998037043A2 Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
08/26/1998EP0860417A2 Liquid crystalline compounds and process for producing the same
08/26/1998EP0860413A1 Process for producing 1,1,1,3,3-pentafluoropropane
08/26/1998EP0859751A1 Semi-fluorinated alkanes and their use
08/26/1998CN1191157A Bulk catalysts based on chromium and on nickel for gas-phase fluorination of halogenated hydrocarbons
08/25/1998CA2096928C Process for selectively ortho-fluorinating substituted aromatic compounds
08/20/1998WO1998035971A1 Preparation of tetrakis(dihydrocarbylamino)phosphonium halide
08/20/1998WO1998035924A1 Liquid-crystalline compounds having bicyclo[1.1.1]pentane structure, liquid-crystal composition, and liquid-crystal display element
08/20/1998CA2278724A1 Preparation of tetrakis(dihydrocarbylamino)phosphonium halide
08/19/1998EP0858988A1 Method for producing bromomethylcyclopropane
08/19/1998EP0858440A1 Method for preparing 1,1,1,3,3-pentafluoropropane
08/13/1998WO1998034930A1 Process for the manufacture of epoxy compounds
08/13/1998CA2279972A1 Process for the manufacture of epoxy compounds
08/12/1998EP0857708A1 Liquid crystal compounds having substituted alkyl groups, liquid crystal composition, and liquid crystal display element
08/12/1998EP0693469B1 Azeotropic mixture consisting of 1,1-difluoroethane and hydrogen fluoride and processes for recovering said compounds from mixtures thereof
08/12/1998CN1190356A Cloth or cloth-like packing which is subject to low pressure losses and has ordered structure for use in material-exchange columns and rectification method using such packing
08/12/1998CN1190354A Process for extracting pure substances from mixtures of high-boiling air and/or temperature-sensitive substances requiring high separative power by rectification in fine vacuum and columns ......
08/11/1998US5792893 Method for the manufacture of 1,1,1,3,3,3-hexachloropropane
08/11/1998US5792892 Bromination in the presence of aluminum chloride and bromine and chlorine
08/11/1998CA2064139C Process for preparing pentafluoroethane by hydrogenolysis of chloropentafluoroethane
08/11/1998CA2055281C Process for the preparation of tetrafluoro-1,1,1,2-ethane
08/06/1998WO1998033756A1 Process for the manufacture of 1,1,1,3,3-pentafluoropropane
08/06/1998WO1998033755A1 The catalytic manufacture of pentafluoropropenes
08/06/1998WO1998033754A1 Continuous production of 1,1,1,3,3,3-hexafluoropropane and 1-chloro-1,1,3,3,3-pentafluoropropane
08/06/1998WO1998033753A1 Process for recycling 1,2-dichloroethane from oxychlorination
08/06/1998WO1998033752A1 2-substituted 7-haloindenes and methods for synthesizing
08/06/1998DE19703906A1 Conversion of di:benzyl ether into benzyl chloride
08/06/1998DE19703857A1 Verfahren zur Aufarbeitung von 1,2-Dichlorethan aus Oxichlorierung A process for the work-up of 1,2-dichloroethane from the oxychlorination
08/05/1998EP0856503A1 Dichloro-tetrafluoro-2,2-paracyclophane, a process for manufacturing thereof and poly-alpha, alpha-difluoro-chloro-para-xylylene film prepared therefrom
08/05/1998EP0856343A1 Purifier and purifying method for polymerizable organic compounds
08/05/1998EP0783533B1 Partially fluorinated polymers and process therefor
08/05/1998CN1189485A Purifier and purifying method for polymerizable organic compounds
08/05/1998CN1039415C 2-(4,4-difluoride dibutyl 3-olefine sulfide) -benzothiazole and-benzoxazole used as sundry nematode insectifuge
08/04/1998US5789634 Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst intermediates
08/04/1998US5789633 Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
08/04/1998US5789632 Distillation of mixture with hydrogen fluoride
08/04/1998US5789631 Production of perhalobenzenes
08/04/1998US5789630 Adding bromine trifluoride to malononitrile in a sealed vessel
08/04/1998US5789580 Selectively fluorinated organic compounds
08/04/1998US5789434 Derivatives of substituted 4-biarylbutyric acid as matrix metalloprotease inhibitors
08/04/1998CA2101526C Inhibiting popcorn polymer formation with compounds incorporating group iv elements
07/1998
07/30/1998WO1998032719A1 Method for preparation of styrenes