Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
05/1993
05/26/1993EP0542796A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane; ethanol; and nitromethane.
05/26/1993EP0542780A1 Process for producing highly fluorinated alkyl bromides.
05/19/1993EP0542290A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/19/1993EP0541559A1 Catalytic equilibration of selected halocarbons
05/19/1993CN1020717C Process for 1,1-dichloro-1-fluoroethane
05/18/1993US5211817 Distillation hydrogen chloride, hydrogen fluoride and fluorocarbon azeotropes
05/18/1993US5211020 Process for separating hfa 134a
05/16/1993CA2082844A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/13/1993WO1993009199A1 Compositions of difluoromethane and tetrafluoroethane
05/13/1993WO1993009081A1 Process for producing 1,1,1,2,2,4,4,4-octafluorobutane
05/13/1993WO1993009080A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/13/1993WO1993005002A3 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions
05/12/1993EP0540840A1 Stabilized 1,1-dichloro, 1-fluoro ethane
05/12/1993CN1071854A Compositions of difluoromethane and tetrafluoroethane
05/12/1993CN1020589C Isomerization of saturated fluorohydrocarbons
05/11/1993US5210342 Purification process
05/05/1993EP0539989A1 Process for the preparation of 1,1,1,2,3,3,3-heptafluoropropane (R 227)
05/05/1993EP0539720A1 Inhibited 141b
05/05/1993EP0539719A1 Stabilized 141b
05/05/1993CN1071694A Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
05/05/1993CN1020465C Working medium of gu thermodynamics circulation thermodynamic system
05/05/1993CN1020449C Insecticidal triffluormethyl alkane derivatives
05/04/1993US5208398 Hydrogen fluoride extraction of 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-fluoroethane
05/04/1993US5208397 Hydrogenolysis of halocarbon mixtures
05/04/1993US5208393 Hydrogenation Catalysts
04/1993
04/29/1993WO1993008240A1 Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
04/29/1993WO1993008147A1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
04/29/1993CA2120921A1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
04/28/1993CN1071467A Azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichloroethane
04/21/1993EP0538085A1 Stabilisation of 1,1-dichloro-1-fluoroethane
04/21/1993EP0537760A2 Process for purifying 1,1,1-trifluoro-2,2-dichloroethane from isomer 1,1,2-trifluoro-1,2-dichloroethane
04/21/1993EP0537759A2 Process for isomerizing 1,1,2-trifluoro-1,2-dichloroethane to 1,1,1-trifluoro-2,2-dichloroethane
04/21/1993EP0537560A1 Process for the preparation of 1,1,1,2-tetrafluoroethane
04/21/1993EP0537508A1 Stabilized 141b
04/21/1993CN1071187A Substantially constant boiling compositions of difluoromethane and trifluoroecthane or perfluoroethane
04/20/1993US5204441 Polyfluorinated, branched-chain diols and diisocyanantes and fluorinated polyurethanes prepared therefrom
04/15/1993WO1993007308A1 Azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichloroethane
04/15/1993WO1993007232A1 Substantially constant boiling compositions of difluoromethane and trifluoroethane or perfluoroethane
04/15/1993WO1993007231A1 Novel compositions comprising pentafluoroethane and monochlorodifluoromethane
04/15/1993WO1993001152A3 Azeotropic or azeotrope-like compositions of pentafluoroethane and propane or isobutane
04/15/1993CA2120237A1 Novel compositions comprising pentafluoroethane and monochlorodifluoromethane
04/15/1993CA2120125A1 Azeotropic compositions of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichloroethane
04/14/1993EP0537045A1 Azeotropic mixture containing 1,1,1-trifluoroethane, perfluoropropane and propane
04/14/1993EP0536511A1 Stabilized 1,1-dichloro, 1-fluoro ethane
04/14/1993EP0344223B1 New perfluoroalkanes and fluorination products thereof
04/14/1993CN1070936A Compositions comprising penta-fluoroethane and monochlorodifluoromethane
04/14/1993CN1070903A Gm-dihydropolyfluoroalkanes and monohydro-polyfluoroalkene processes for their producition, and use in cleaning compositions
04/13/1993US5202041 Improve sliding characteristics applied onto ski sole
04/10/1993CA2079618A1 Mixes containing 1,1,1-trifluoroethane, perfluoropropane and propane and their applications as refrigerants, aerosol propellant or expansion agents for plastic foams
04/10/1993CA2077588A1 Stabilized 14lb
04/10/1993CA2076694A1 Stabilized 141b
04/08/1993EP0545942A4 Near-azeotropic blends for use as refrigerants.
04/07/1993CN1070633A Catalytic process for producing 1,1,1-trichloro-2,2,2-trifluoroeth
04/06/1993US5200431 Process for the separation of halogenated hydrocarbons by extractive distillation
04/06/1993US5200376 Zeolite exchanged with MN and CU
04/01/1993WO1993006188A1 Fluoroalkane mixture
04/01/1993WO1993006187A1 Refrigerant and refrigerator
04/01/1993WO1993006070A1 Hydrochlorofluorocarbons having a tertiary structure and oh rate constants which do not contribute substantially to ozone depletion and global warming
03/1993
03/31/1993EP0534829A1 Process and additive for stabilising compositions based on halogenated solvents, compositions obtained and their use for degreasing or cleaning metal objects
03/30/1993US5198199 Process for the recovery of antimony-based catalysts used for the fluorination of halgenated hydrocarbons
03/28/1993CA2079195A1 Method and additive for stabilizing degreasing compositions based on halogenated solvents
03/24/1993EP0533003A2 Process for the preparation of fluorine containing derivatives
03/24/1993EP0532596A1 Fluorination process
03/24/1993EP0532540A1 Method for preparing 1,1-dichloro-1-fluoroethane.
03/23/1993US5196618 Metal halide or oxide catalyst
03/23/1993US5196616 Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
03/23/1993US5196614 Catalyst-free reaction
03/23/1993US5196611 Chlorination of the alcohol, a phosphine oxide catalyst
03/23/1993US5196140 Electro-optical liquid crystal display element
03/23/1993US5196137 Azeotropic composition of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichlorethane
03/18/1993WO1993005002A2 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions
03/16/1993US5194170 Binary azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and either tran-1,2-dichloroethylene, cis 1,2-dichloroethylene, or 1-1 dichloroethane
03/16/1993US5194169 Refrigerants
03/10/1993EP0519935A4 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
03/10/1993CN1069720A Process and catalyst for hydrohalogenation of hydrocarbons
03/09/1993CA1314139C Halocarbon blends for refrigerant use
03/04/1993WO1993004025A1 Hydrochlorofluorocarbons having oh rate constants which do not contribute substantially to ozone depletion and global warming
03/04/1993WO1993004024A1 CATALYTIC PROCESS FOR PRODUCING CCl3CF¿3?
03/04/1993CA2115253A1 Hydrochlorofluorocarbons having oh rate constants which do not contribute substantially to ozone depletion and global warming
03/03/1993EP0529342A2 Removal of hydrogen fluoride from mixture of hydrogen fluoride and dichlorofluoromethane
03/03/1993EP0519936A4 Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether
03/02/1993US5190626 Vapor phase chlorination, distillation
03/01/1993CA2059204A1 Solvent extraction of i-i4ib from i-365
03/01/1993CA2059203A1 Solvent extraction of i-365 from i-i4ib
03/01/1993CA2050262A1 Reclaiming of refrigerant fluids to make same suitable for reuse
02/1993
02/24/1993EP0528481A1 Fluorinated ether containing compositions and their use
02/24/1993EP0527740A1 Azeotropic composition of perfluoro-1,2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane.
02/24/1993CN1069259A Purification of 1,1,1,2-tetrafluoroethane
02/24/1993CN1069258A Biscfluoromethy ether, its producing process and use for production of difluoromethane
02/23/1993US5189230 Process for the removal of olefinic impurities from hydrochlorofluorocarbons
02/23/1993US5188748 Azeotropic mixtures of dimethyl ether and of 1,1,1,2-tetrafluoroethane and their use
02/17/1993CN1069049A Azeotropic or azeotrope-like compositions of pentafluoroethane and propane or icobutane
02/17/1993CN1069021A Process for removing acetone from mixture comprising acetone, methyl acetate and methyl iodide
02/17/1993CN1069019A Improving, separating and purifying method for 1,1-difluoroethane
02/17/1993CN1069017A Process for fluorinating hydrocarbon
02/10/1993EP0526976A1 Perfluoroalkyl halides and derivatives
02/10/1993EP0526908A2 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
02/10/1993EP0526477A1 Halocarbon blends.
02/10/1993CN1068810A Catalytic hydrogenolysis
02/09/1993US5185483 Process for preparing pentafluorodichloropropanes
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