Patents
Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
03/1997
03/19/1997EP0763004A1 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with hf
03/19/1997CN1145417A Composition based on stabilized methylene chiloride which can be used for degreasing metals
03/18/1997US5611896 Production of fluorocarbon compounds
03/18/1997US5611840 Process for separating out hydrogen chloride
03/18/1997US5611210 Fluoroiodocarbon blends as CFC and halon replacements
03/13/1997WO1997009292A1 Process for the preparation of 4-bromo-1,1-difluorobut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
03/12/1997EP0760825A1 Carbon based initiators for polymerization and telomerization of vinyl monomers
03/12/1997EP0760808A1 Single stage process for producing hydrofluorocarbons from perchloroethylene
03/12/1997EP0650513B1 Refrigerant compositions including 1,1,2,2-tetrafluoroethane
03/06/1997WO1997008117A1 Process for preparing fluorinated aliphatic compounds
03/06/1997CA2230484A1 Process for preparing fluorinated aliphatic compounds
03/05/1997EP0760356A2 Process for the manufacture of pentafluoroethane
03/05/1997EP0759895A1 Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
03/05/1997CN1144321A Cryagenic rectification system for fluorine compound recovery
03/05/1997CN1144213A Process for manufacture of difluoromethane
03/05/1997CN1034167C Process for purifying 1,1,1,2-tetrafluoroethane
03/05/1997CN1034166C Process for synthesising 1,2-dichloroethane by oxychloration of ethylene with carbon tetrachloride
03/04/1997US5608129 Process for the purification of difluoromethane
03/04/1997US5608128 Production methods of 1,1,1,4,4,4-hexsfluoro-2-butene compounds and 1,1,1,4,4,4,-hexafluorobutane
03/04/1997US5608126 Process for preparing 1,1,1,3,3-pentafluoropropane
03/04/1997US5608125 Process for preparing 1,1,1,2-tetrafluoroethane
03/04/1997US5608124 Process for continuous liquid phase reaction of hydrogen fluoride and 1,1,1-trichloroethane to provide 1,1-dichloro-1-fluoroethane and 1-chloro-1, 1-difluoroethane mixtures
03/04/1997US5607912 Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture
03/04/1997US5607616 Refrigerants containing ethers and fluoroethers
02/1997
02/27/1997WO1997007084A1 Process for the manufacture of 1,1,1,2-tetrafluoroethane
02/27/1997WO1997007083A1 Process for the preparation of halogenated alkanes
02/27/1997WO1997007052A1 Azeotropes of chlorofluoroethanes with hydrogen fluoride
02/26/1997EP0633926B1 Binary azeotropic compositions
02/26/1997CN1143945A Separating and removing impurities from tetrafluoroethanes by using extractive distillation
02/26/1997CN1143726A Method and apparatus for recovering, reclaiming, and filling air conditioner freon
02/25/1997US5605882 Azeotrope(like) compositions of pentafluorodimethyl ether and difluoromethane
02/25/1997US5605647 Blend of at least two different fluoroiodocarbons and at least one additive selected from alcohols, esters, ethers, fluoroethers, hydrocarbons, hydrofluorocarbons, ketones, perfluorocarbons
02/18/1997CA2104656C Process for the separation of hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane
02/13/1997WO1997005090A1 Process for the manufacture of halocarbons
02/13/1997WO1997005089A1 Process for the manufacture of halocarbons and selected compounds and azeotropes with hf
02/11/1997US5602288 Chlorination of 1-chloro-1,2,2,2-tetrafluoroethane using carbon catalyst, reacting product with hydrogen using carbon-supported precious metal catalyst
02/06/1997WO1997003936A1 Distillation processes for removing cfc-115 and hydrofluoric acid from hfc-125
02/06/1997CA2226673A1 Distillation processes for removing cfc-115 and hydrofluoric acid from hfc-125
02/05/1997CN1142243A Mixed gas refrigerant
02/05/1997CN1142220A Process for producing difluoromethane and 1,1,1,2-tetrafluoroethane
02/05/1997CN1141906A Process for preparation of 1,1-difluoroethane
02/04/1997US5600039 Process for the preparation of 1,1,1,2-tetrafluoroethane
02/04/1997US5600038 Adiabatic Hydrofluorination of hydrochlorofluorocarbons
02/04/1997US5600037 Vapor phase reaction in the presence of aluminum trifluoride catalyst
02/04/1997CA2084282C N-perfluoro-octyl bromide system
01/1997
01/30/1997WO1997003037A1 Method for preparing alpha, omega-bromochloroalkanes
01/30/1997WO1997003036A1 METHOD FOR PREPARING α,φ-BROMOCHLOROALKANES
01/30/1997CA2224485A1 Method for preparing alpha, omega-bromochloroalkanes
01/30/1997CA2224417A1 Method for preparing .alpha.,.omega.-bromochloroalkanes
01/29/1997EP0644867B1 Production of hydrofluoroalkanes
01/29/1997CN1141595A Gas-contg. microparticles, agent contg. them, their use in medical diagnosis by ultrasonic tech. and method of producing said particles and agent
01/29/1997CN1141282A Improved catalyst and process for oxychlorination of ethylene to EDC
01/23/1997WO1997002227A1 Addition of trifluoromethanes to fluoroolefins and isomerization of monohaloperfluoro alkanes
01/23/1997WO1997002226A1 Process for the preparation of fluoroolefins
01/22/1997EP0754171A1 Process for the purification of pentafluoroethane
01/22/1997EP0754170A1 Production of pentafluoroethane
01/22/1997EP0594858B1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
01/15/1997EP0753497A1 Process for the selective preparation of monofluoro derivatives
01/15/1997EP0552286B1 Ternary azeotropic compositions of 43-10mee (cf 3?chfchfcf 2?cf 3?) and trans 1,2-dichloroethylene with methanol or ethanol
01/15/1997EP0552225B1 Binary azeotropic compositions of (cf3chfchfcf2cf3) with methanol or ethanol or isopropanol
01/15/1997CN1140445A Hydro fluoroalkanes as cleaning and degreasing solvents
01/15/1997CN1033801C Purification of 1,1,1,2-tetrafluoroethane
01/15/1997CA2181134A1 Process for the selective preparation of monofluoro derivatives
01/09/1997WO1997000925A1 Method for monomer recovery
01/09/1997CA2222284A1 Method for monomer recovery
01/08/1997EP0752256A2 Process and apparatus for the complete saturation of halogenated hydrocarbon streams containing unsaturated compounds
01/02/1997EP0751108A1 Process for the manufacture of difluoromethane
01/02/1997EP0751107A1 Synthesis of difluoromethane
01/01/1997CN1139152A Saturated linear polyfluorohydrocarbons, process for their production, and their use in cleaning compositions
12/1996
12/31/1996US5589098 Compositions of difluoromethane and tetrafluoroethane
12/27/1996EP0749464A1 Hydrofluorocarbon compositions
12/27/1996EP0749407A1 Separating and removing impurities from tetrafluoroethanes by using extractive distillation
12/25/1996CN1033636C process for the purification of 1,1,1,2-tetrafluorethane
12/19/1996WO1996040834A1 Refrigerants based on hydrofluoroether of fluoroether
12/19/1996WO1996040431A1 Catalyst for and method of oxychlorination
12/19/1996CA2218744A1 Method of oxychlorination
12/18/1996EP0666736B1 Stabilization of fluorocarbon emulsions
12/18/1996CN1033576C Process for producing 1,1,1,2-tetrafluoroethane
12/18/1996CN1033575C Preparation of 1,1,1,2-tetrafluoroethane
12/17/1996US5585529 Separation of chloropentafluoroethane from pentafluoroethane
12/12/1996WO1996039368A1 Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
12/11/1996CN1137511A Method for preparation of methane polychloride
12/11/1996CN1137510A Chlorine gas supply method
12/05/1996WO1996038225A1 Hydrodehalogenation catalysts and their preparation and use
12/04/1996EP0744961A1 Gas-containing microparticles, agents containing them, their use in medical diagnosis by ultrasonic techniques and methods of producing said particles and agents
12/04/1996EP0626936B1 Method of purifying perfluorocarbons
12/03/1996US5580906 Mixture of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, heptane and an alcohol; cleaning compounds, refrigerants, aerosols,heat trasfer agents, fire extinguishers, blowing agents, power cycle working fluids
11/1996
11/28/1996WO1996037571A1 Mixed gas refrigerant
11/28/1996CA2195848A1 Mixed gas refrigerant
11/27/1996EP0743934A1 Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane
11/27/1996EP0743933A1 Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane
11/26/1996US5578278 Tubular reactor system for direct fluorination
11/26/1996US5578137 Azeotropic or azeotrope-like compositions including 1,1,1,2,3,4,4,5,5,5-decafluoropentane
11/21/1996WO1996036679A1 Ternary azeotropic compositions
11/20/1996CN1136065A Pseudoazeotropic mixtures besed on difluoromethane and on pentafluoroethane, and applications thereof as refrigerants
11/20/1996CN1136064A Pseudoazeotropic mixtures based on difluoromethane and on pentafluorodimethyl ether, and applications thereof as refrigerants
11/20/1996CN1033322C Process for preparing 1-chloro-2,2,2-trifluoroethane
11/20/1996CN1033321C Process for preparing 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane
11/20/1996CN1033320C Saturated linear polyfluorohydrocarbons, process for their production, and their use in cleaning compositions
11/13/1996EP0742192A1 Purification of pentafluoroethane
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