Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
02/1993
02/09/1993US5185094 Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane
02/04/1993WO1993002029A1 Catalytic hydrogenolysis
02/03/1993EP0526002A2 Purification of 1,1,1,2-tetrafluoroethane
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
02/03/1993CN1068521A Fluorination catalyst and process for fluorinating halogenated hydrocarbon
01/1993
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
01/27/1993EP0429451B1 Azeotropähnliche bestandteile von dichlortrifluoräthan, methanol und nitromethan
01/27/1993CN1068321A Synthesis process of 2-multifluoro- or perfluoro- alkyl iodohydrocarbon
01/27/1993CA2074285A1 Process for the reduction of halocarbons
01/26/1993US5182097 Formulations for delivery of drugs by metered dose inhalers with reduced or no chlorofluorocarbon content
01/26/1993US5182040 Refrigerant, blowing agent, propellant
01/21/1993WO1993001152A2 Azeotropic or azeotrope-like compositions of pentafluoroethane and propane or isobutane
01/20/1993CN1068102A Process for synthesising perfluoroalkyl bromide by photobromation of correspendent iodide
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
01/13/1993CN1067879A Process for preparing fluorinated compound
01/11/1993CA2073523A1 Process for the preparation of 1,1-dichloro-1,3,3,3-tetrafluoropropane
01/11/1993CA2071596A1 Perfluoroalkyl halides and derivatives
01/07/1993WO1992019706A3 1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in compositions and processes for cleaning
01/07/1993EP0521077A1 Halogen exchange fluorination
01/07/1993EP0390808B1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/05/1993US5177275 Controlling exotherm, fluorination of vinylidene chloride
01/05/1993US5177273 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
01/05/1993US5177270 Stabilized 141b
01/05/1993US5177233 Catalyst system and use for the preparation of 1,2-dichloroethane
12/1992
12/30/1992EP0519948A1 Azeotropic composition of 1,1,1,2-tetrafluoroethane and dimethyl ether
12/30/1992EP0519936A1 Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether.
12/30/1992EP0519935A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol.
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
12/23/1992EP0519808A1 Process for the synthesis of a perfluoroalkyl bromide by photobromination of the corresponding iodide
12/23/1992EP0519430A2 Process for curing thermosetting prepolymers
12/23/1992CN1067238A Process for synthesising 1,2-dichloroethane by oxychloration of ethylene with carbon tetrachloride
12/23/1992CN1067187A Catalytic composition for production of 1,2-dichloroethane
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
12/15/1992US5171900 Method of preparing fluorine-containing ethane derivatives
12/15/1992EP0526477A4 Halocarbon blends.
12/13/1992CA2070560A1 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/09/1992EP0516690A1 Halogen exchange fluorination
12/08/1992US5169998 Endcapped chlorotrifluoroethylene homo- or copolymers; tetraalkylsilane hydraulic fluids, lubricants
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
11/1992
11/29/1992CA2069651A1 Stabilization of dichlorotrifluoroethane-containing mixtures
11/25/1992EP0514932A2 Fluorination catalyst and process for fluorinating halogenated hydrocarbon
11/25/1992EP0514683A1 Process for the preparation of alkyl-, alkenyl and alkinylchlorides
11/25/1992EP0514415A1 Novel vehicle gas mixtures and their use in medical preparations
11/25/1992CN1066441A Process for manufacture of pentafluoroethane
11/24/1992US5166120 Cylindrically formed catalyst for the oxychlorination of ethylene
11/24/1992EP0527740A4 Azeotropic composition of perfluoro-1,2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane.
11/19/1992EP0513823A2 Method for the production of pentafluoroethane (R125)
11/19/1992EP0513783A2 Method for the removal of contaminants from perfluorinated alkyl bromides or alkylene dibromides
11/19/1992EP0513099A1 Novel vehicle gases and their use in medical preparations
11/18/1992CN1019108B Process for catalyzed hydrofluorination of halogenated alkanes
11/18/1992CN1019107B Gas-phase fluorination process
11/18/1992CN1019106B Gas-phase fluorination process
11/17/1992WO1992020640A1 Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
11/17/1992CA2103279A1 Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
11/17/1992CA1310336C Gas-phase fluorination process
11/17/1992CA1310335C Gas-phase fluorination process
11/12/1992WO1992019706A2 1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in compositions and processes for cleaning
11/12/1992WO1992019576A1 Process for the manufacture of pentafluoroethane
11/11/1992EP0512502A2 Process for removal of olefinic impurities from 1,1,1,2,3,3,3-heptafluoropropane
11/11/1992CN1019009B Process for separation of hf via azeotropic distillation
11/11/1992CN1019008B Process for separation of hf via phase separation and distillation
11/10/1992CA1310022C Process for the manufacture of 1,1,1- trifluorodichloroethane and 1,1,1,2- tetrafluorochloroethane
11/10/1992CA1310018C Process for cleaving aliphatic ether compounds
11/04/1992EP0511612A2 Method for the purification of chlorofluorohydrocarbons
11/03/1992US5160499 Removal of 2-chloro-1,1-difluoroethylene by contact with strontium exchanged zeolite
11/03/1992CA1309730C Process for chlorine elimination
10/1992
10/28/1992EP0510281A1 Telechelic telomers of chlorotrifluoroethylene and method for preparing same
10/28/1992CN1065653A Hydrogenolysis of halocabon mixtures
10/28/1992CN1018823B Prepn. of fluoroxy trifluoro methane by catalytic method
10/28/1992CA2067078A1 Process for the purification of chlorofluorohydrocarbons
10/27/1992US5158617 Method of cleaning using hydrochlorofluorocarbons having 3 to 5 carbon atoms
10/21/1992EP0509885A2 Process for separating hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane
10/21/1992EP0509449A2 Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane and process for purification of 1,1,1-trifluoro-2-chloroethane
10/21/1992CA2057327A1 Telechelic telomers of chlorotrifluoroethylene and method for preparing same
10/20/1992US5157174 Ternary molybdenum chalcogenide oxychlorination catalysts
10/20/1992US5157172 Process for the preparation of 1,1,1-trifluoro-2-chloroethane
10/20/1992US5157171 Treatment of monofluorodichloromethane with tetrafluoro-ethylene in the presence of a fluoride modified alumina isomerization catalyst
10/18/1992CA2065952A1 Process for separating hydrogen fluoride from its mixtures with 2-chloro-1,1,1-trifluoroethane
10/15/1992WO1992017559A1 Stabilized dichlorotrifluoroethane refrigeration compositions
10/15/1992WO1992017558A1 Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
10/14/1992EP0508660A1 Production of difluoromethane
10/14/1992EP0508631A1 Production of hydrofluorocarbons
10/14/1992EP0508630A1 Purification process
10/14/1992EP0508449A1 Use of nitromethane, nitroethane and 1-nitropropane for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates
10/14/1992CN1018637B Process and catalyst of oxycholration, application for preparing 1, 2-dichloroethane
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