Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
12/1993
12/15/1993EP0573920A2 Process for the manufacture of tetrachloroethylene
12/15/1993CN1079460A Method for increasing tetrabromoethane content of bromine and acetylene synthetic liquid by use of laser irradiation
12/10/1993CA2097889A1 1,1,1,2-tetrafluoroethan preparation process
12/09/1993WO1993024433A1 Process producing a hydrofluorocarbon having at least one trifluoro group
12/09/1993WO1993024224A1 Treatment of hydrogenation catalysts
12/09/1993WO1993024206A1 Process for removing an organic compound from water
12/09/1993CA2135898A1 Process for removing an organic compound from water
12/08/1993EP0572918A1 Process for selectively ortho-fluorinating substituted aromatic compounds
12/08/1993EP0381728B1 Difluoromethyl compounds
12/08/1993CN1023003C Process for preparing chloroform
12/08/1993CN1023002C Fluorocarbon purification process
12/07/1993US5268518 Enhanced entrainment
12/07/1993US5268517 Dehydrating an aromatic chlorohydrin
12/07/1993US5268516 Telomerization of tetrafluoroethylene by (penta or hepta) fluoroisopropyl iodide
12/07/1993US5268343 Process for the reactivation of an activated charcoal catalyst employed in the preparation of 1,1,1,2,3,3,3-heptafluoropropane (R 227)
12/07/1993US5268122 Azeotropic mixture
12/07/1993CA1325019C Process for producing c_ - c_ monoalkylchlorides
12/01/1993EP0571920A1 Process for the preparation of fluoro hydro carbons
12/01/1993EP0571859A2 A decabromodiphenylethane predominated product having enhanced whiteness
12/01/1993CN1022911C Process for preparing halogenoalkanes
11/1993
11/27/1993CA2096898A1 Process for the preparation of hydrofluorocarbons
11/25/1993WO1993023355A1 Azeotropic mixture of pentafluoroethane with pentafluorochloroethane and separation of pentafluorochloroethane
11/25/1993WO1993023354A1 Process for preparing hexafluorobutane
11/24/1993EP0571036A1 Polyhalogenated phenylindans, process for their preparation and fire retardant polymeric compositions containing them
11/23/1993US5264639 Process for producing a 2,2-difluoropropane
11/23/1993US5264094 Process for the preparation of fluorobenzenes
11/23/1993CA1324616C Process for 1,1-dichloro-1-fluoroethane
11/18/1993EP0570050A1 Process for the dechlorination of higher chloromethanes
11/18/1993EP0569832A1 Process for preparing pentafluoroethane by dismutation of tetrafluorochloroethane
11/18/1993EP0569539A1 Inhibiting popcorn polymer formation with sulfur-containing compounds
11/18/1993EP0569502A1 Inhibiting popcorn polymer formation with alkyl halides.
11/18/1993EP0569501A1 Inhibiting popcorn polymer formation with esters of inorganic acids.
11/18/1993EP0569495A1 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
11/18/1993EP0569359A1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements.
11/18/1993DE4215876A1 Verfahren zur Herstellung von Hexafluorbutan A process for preparing hexafluorobutane
11/16/1993US5262575 Chlorination with palladium chloride, platinum chloride or mixture of palladium chloride with other metal chloride
11/16/1993US5262574 Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
11/16/1993US5262547 Vapor phase reaction of a hydrocarbon with oxygen
11/16/1993US5262014 Extractive distillation
11/16/1993CA1324395C Process for producing 1,1-dichloro-1,2,2,2- tetrafluorethane
11/16/1993CA1324394C Process for the destruction of organic waste material
11/15/1993CA2094777A1 Process for dechlorinating higher chloromethanes
11/11/1993WO1993022265A1 Production of bis(fluoromethyl)ether and difluoromethane
11/11/1993WO1993022263A1 Process for producing hexafluorochlorobutenes
11/11/1993DE4314656A1 Prepn. of 1-chloro-butane and tetra:hydro:furan derivs. - by hydrogenation of omega-chloro butanone derivs.
11/11/1993DE4214739A1 Verfahren zur Herstellung von Hexafluorchlorbutenen A process for preparing Hexafluorchlorbutenen
11/11/1993CA2134076A1 Production of bis(fluoromethyl) ether and difluoromethane
11/11/1993CA2133970A1 A process for preparing hexafluorochlorobutenes
11/10/1993CN1078172A Fluorination catalyst and process
11/09/1993US5260496 Cyclic compounds with and without an unbranched acyclic substituent, adsorption with molecular seive
11/09/1993US5260492 Fluorinated monomers and polymers
11/09/1993US5260247 Copper chloride, magnesium chloride, lithium chloride, and at least one additional alkali metal chloride, 1,2-dichloroethane
11/04/1993DE4211694A1 New alk(en)-yl-terminated liquid crystal cpds. and use as achiral component - for stabilising smectic C phase in chiral tilted smectic medium used in LCD, esp. ferroelectric LCD
11/03/1993EP0568040A1 Cyclohexane derivative and liquid crystal composition containing the same
11/03/1993EP0567872A1 Process for the preparation of hexafluorbutane and accessible intermediates therein
11/03/1993EP0567478A1 Catalytic hydrogenolysis.
11/03/1993CN1077945A Preparation of 1,1,1,2-tetrafluoroethane
11/03/1993CN1022623C Synthese of perfluoroalkylbromide
11/02/1993US5258561 Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2
10/1993
10/30/1993CA2094892A1 Process for the preparation of hexafluorobutane, and intermediates thereby obtainable
10/28/1993WO1993021141A1 Improved process for methyl alcohol
10/28/1993WO1993021140A1 Method of removing hydrogen fluoride
10/28/1993WO1993021117A1 Process for decreasing chlorine content of chlorinated hydrocarbons
10/28/1993CA2118247A1 Process for decreasing chlorine content of chlorinated hydrocarbons
10/28/1993CA2117768A1 Improved process for methyl alcohol
10/27/1993EP0567381A1 Process for the preparation of vinylchloride by ultrapyrolysis of 1,2-dichloroethane
10/20/1993EP0566268A1 Process for the preparation of 3- or 5-fluoroaromatic compounds
10/20/1993EP0566190A1 Process for the purification of 1,1-dichloro-1-fluoroethane
10/20/1993EP0565826A1 Process for the preparation of substituted or unsubstituted chloromethylcyclopropane or bromomethylcyclopropane
10/20/1993EP0565789A1 Production of vinyl chloride by catalytic dehydrohalogenation
10/20/1993EP0489773B1 Process for separating mixtures of partially fluorinated or perfluorinated hydrocarbon compounds
10/20/1993CN1077446A Methane heat chlorization process with systematic pressuring of non-cyclic compressor
10/20/1993CN1022490C Liquid crystal mixture
10/19/1993US5254777 Catalytic mixture of group 8 compound and fatty acid hydrochloride
10/19/1993US5254776 Synthesis of bromobiphenyls
10/19/1993US5254775 Replacing partially halogenated alkane with flurine using transition metal oxyfluoride
10/19/1993US5254774 Preparation of hexafluoropropene oligomers
10/19/1993US5254773 Process for preparing telomers from ethylene and alpha, omega-dibromoperfluoroalkylalkanes in the presence of organic free-radical generators
10/19/1993US5254772 Chemical process
10/19/1993US5254771 Chlorination of 1,1,1-trifluoro-2-chloroethane
10/19/1993US5254732 Stable electrophilic fluorinating agents
10/18/1993CA2094201A1 Process for purifying 1,1-dichloro-1-fluoroethane
10/14/1993WO1993019845A1 Catalyst for promoting halogen exchange
10/14/1993DE4307243A1 Prepn. of di:aryl cpds. useful for producing liquid crystal cpds. - involves coupling of aryl halide(s) with aromatic boron acid derivs. using palladium catalyst
10/13/1993EP0564979A2 Method for the production of dixylylpropane
10/13/1993EP0564944A1 Process for the preparation of chloro-fluoro-butenes
10/13/1993CN1077204A Stabilized 141b
10/13/1993CN1077138A Water separation process
10/12/1993CA1323041C Process for preparing alkyl halides
10/12/1993CA1323040C Catalyzed hydrofluorination process
10/06/1993EP0564036A1 Process for the purification of one hydrofluoralcane
10/06/1993EP0563292A1 Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane.
10/06/1993EP0563033A1 Process for preparing 3-trifluoromethyl benzyl chloride.
10/05/1993CA1322769C Process for the chlorination of ethane
10/05/1993CA1322768C Process for the chlorination of ethane
10/05/1993CA1322744C Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers
10/04/1993CA2093274A1 Scrubbing process for a hydrofluoroalkane
09/1993
09/30/1993WO1993019028A1 Removal of catalyst from chloroprene by treatment with oxy acid
09/30/1993WO1993019027A1 PROCESS FOR PRODUCING gem-DIFLUOROALKANES
09/30/1993WO1993019026A1 Preparation of 3-halo-halobenzenes and 1-halo-3,5-dihalobenzenes