Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
02/1993
02/17/1993CN1069019A Improving, separating and purifying method for 1,1-difluoroethane
02/17/1993CN1069018A Production method for chloro-normal butane
02/17/1993CN1069017A Process for fluorinating hydrocarbon
02/16/1993US5186864 Synthesis of dielectric liquids by improved friedel-crafts condensation
02/16/1993CA1313682C Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives
02/10/1993EP0526976A1 Perfluoroalkyl halides and derivatives
02/10/1993EP0526908A2 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
02/10/1993CN1068829A Organometallic fluorenyl compounds, preparation, and use
02/10/1993CN1068810A Catalytic hydrogenolysis
02/09/1993US5185483 Process for preparing pentafluorodichloropropanes
02/09/1993US5185482 Manufacture of 1,1,1,2-tetrafluoroethane
02/09/1993US5185479 Reacting methyl chlroide, HCL, oxygen and perchloroethylene; separating methanol from hexachloroethane, regenerating ' starting materials by reacting hexachloroethane with methane
02/09/1993CA2075093A1 Tribromostyrene products and process for making them
02/04/1993WO1993003113A1 Liquid-crystal compounds
02/04/1993WO1993002029A1 Catalytic hydrogenolysis
02/04/1993CA2093212A1 Liquid-crystalline compounds
02/03/1993EP0526002A2 Purification of 1,1,1,2-tetrafluoroethane
02/03/1993EP0525843A1 Hydrochlorination catalyst system and preparation process of vinyl chlorided from acetylene and hydrogen chloride in presence of this catalyst system
02/03/1993EP0525177A1 Unimolecular micelles and method of making the same
02/03/1993EP0525140A1 Liquid-crystal compounds
02/03/1993EP0525019A1 Process for preparation of 1,2,4-trifluorobenzene and 1-chloro-3,4-difluorobenzene
02/03/1993EP0524957A1 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane.
02/03/1993EP0406266B1 Process for the co-production of aromatic carboxylates and alkyl iodides
02/03/1993EP0307458B1 Processes for isomerizing and oxidative iodinating aromatic compounds
02/03/1993CN1068521A Fluorination catalyst and process for fluorinating halogenated hydrocarbon
02/03/1993CN1068519A Catalyst prepared by particular preparation method and its use in process for preparing tertiary olefins from alkyl-tert-alkylethers
02/02/1993US5183924 Derivatives of benzocycloalkenyldihydroxyalkanoic acids, processes of preparation and medications containing them
02/02/1993US5183797 Alumina; zones of activity variations
02/02/1993US5183587 Liquid crystalline compound
01/1993
01/27/1993EP0524624A2 Organometallic fluorenyl compounds, preparation, and use
01/27/1993EP0524621A1 Process for preparing 1,1,1,2,2-Pentafluoro-3, 3-Dichloropropane and 1,1,2,2,3-Pentafluoro-1,3-Dichloropropane
01/27/1993EP0328530B1 Processes for preparing iodinated aromatic compounds
01/27/1993CN1068321A Synthesis process of 2-multifluoro- or perfluoro- alkyl iodohydrocarbon
01/27/1993CA2074285A1 Process for the reduction of halocarbons
01/26/1993US5181992 Separation of isomers, e. g., phenethyl bromide from 1-phenyl-1-bromoethane
01/20/1993EP0523553A1 Process for the hydrogenation of chloromethanes
01/20/1993CN1068102A Process for synthesising perfluoroalkyl bromide by photobromation of correspendent iodide
01/20/1993CN1068101A Process for dehydrochlorating 1.1-bis(r-phenyl)-2,2,2-trichloroethane
01/19/1993US5180872 Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
01/19/1993US5180862 Process for isomerizing trichlorobenzene
01/19/1993US5180861 Gas phase catalytic hydrofluorination and chlorination of hexachlorocyclopentadiene
01/19/1993US5180860 Freon" replacements, alkali metal acid fluorides and fluorides, melts
01/19/1993CA1312882C Process for removing organochlorine compounds from the offgas from the oxidation of ethylene
01/13/1993EP0522639A1 Process for the preparation of 1-chloro-1,1,3,3,3-pentafluoropropane and of 1,1,1,3,3,3-hexafluoropropane
01/13/1993EP0522638A1 Process for the preparation of 1,1-dichloro-1,3,3,3-tetrafluoropropane
01/13/1993EP0386120B1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/13/1993EP0335953B1 Process for producing polybrominated higher alkylbenzenes
01/13/1993CN1067879A Process for preparing fluorinated compound
01/12/1993US5179215 Process for the production of petrochemicals
01/11/1993CA2073523A1 Process for the preparation of 1,1-dichloro-1,3,3,3-tetrafluoropropane
01/11/1993CA2071596A1 Perfluoroalkyl halides and derivatives
01/07/1993WO1993000151A1 Method of recovering adsorbed solvents
01/07/1993EP0521382A2 Process for preparing dichloroethane and apparatus used for the same
01/07/1993EP0521239A1 Process for the recovery of solvents adsorbed in an adsorber
01/07/1993EP0521077A1 Halogen exchange fluorination
01/07/1993EP0390808B1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/05/1993USH1129 Fluorinating Chlorotrifluoroethane, Chlorine, Chromium Catalyst
01/05/1993US5177302 Process for separating isomers of disubstituted benzenes and agents to be used therefor
01/05/1993US5177275 Controlling exotherm, fluorination of vinylidene chloride
01/05/1993US5177274 From Dichlorofluoromethane and Tetrafluoroethylene
01/05/1993US5177273 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
01/05/1993US5177272 Reacting a perhalogenated alkane with a tris-dialkylamino phosphine
01/05/1993US5177271 Production of vinylidene fluoride
01/05/1993US5177270 Stabilized 141b
01/05/1993US5177233 Catalyst system and use for the preparation of 1,2-dichloroethane
01/05/1993US5176889 Method and apparatus for treatment of NF3 gas
01/05/1993US5176757 1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositions and processes for cleaning
01/05/1993CA1312340C Process for the preparation of 2,2- bisphenylhexafluoropropane
12/1992
12/30/1992EP0520510A1 Process for preventing consolidation of P-Dichlorobenzene
12/30/1992EP0338054B1 Cross coupling of titanium organyls
12/29/1992US5175382 Preparation of 1,2-Dichloroethane
12/29/1992US5175381 Steaming and transferring to a carrier, condensation and separation
12/29/1992US5175380 Process for removing impurities from perfluorinated alkyl bromides or alkylene dibromides
12/29/1992US5175379 Process for the preparation of partly flourinated ethanes
12/29/1992US5175302 Nucleophilic fluoroalkylation of aldehydes
12/23/1992WO1992022591A1 Polymeric resin for peptide synthesis
12/23/1992EP0519808A1 Process for the synthesis of a perfluoroalkyl bromide by photobromination of the corresponding iodide
12/23/1992EP0519807A1 Process for the dehydrochlorination of 1,1-bis(R-phényl)-2,2,2-trichloroethanes
12/23/1992EP0519548A1 Hydrochlorination catalyst system and preparation process of vinyl chloride from acetylène and hydrogen chloride in presence of this catalyst system
12/23/1992EP0519050A1 Method of manufacturing chemicals
12/23/1992CN1067239A Synthesis of perfluoroalkylbromide
12/23/1992CN1067238A Process for synthesising 1,2-dichloroethane by oxychloration of ethylene with carbon tetrachloride
12/22/1992CA2071684A1 Process for synthesizing a perfluoroalkyl bromide by photobromination of the associated iodide
12/16/1992EP0518562A2 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/16/1992EP0518506A2 Production of bis(fluoromethyl)ether and difluoromethane
12/16/1992EP0518353A2 Process for preparation fluorinated compound
12/15/1992US5171902 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
12/15/1992US5171901 Reacting hexachloropropene with hydrogen fluoride in gas phase using chromium salt catalyst
12/15/1992US5171900 Method of preparing fluorine-containing ethane derivatives
12/15/1992US5171899 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
12/15/1992US5171893 Catalyzed reaction of fluoroalkylsilanes with acyl fluorides or fluorinated aromatic compounds
12/13/1992CA2070560A1 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/09/1992EP0516690A1 Halogen exchange fluorination
12/08/1992US5169997 Blowing agents containing benzyl bromide, t-butyl bromide or chloride, epibromohydrin, triphenylmethyl bromide or chloride or 4-methoxybenzyl chloride as decomposition inhibitors, for polyurethane or polyisocyanurate foams
12/08/1992US5169996 Stabilized 141b
12/08/1992US5169995 Inhibited 141b
12/02/1992EP0516020A2 Stabilisation of mixtures containing dichlorotrifluoroethane
12/02/1992EP0516000A1 Process for fluorinating halogenated hydrocarbon
12/02/1992EP0515691A1 Process for producing dichloropentafluoropropane
12/02/1992CN1066647A Process for separating pentafluoroethane from mixture of halogenated hydrocarbons containing chloropentaflnoroethane