Patents
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Patents for C07C 19 - Acyclic saturated compounds containing halogen atoms (7,734)
06/1991
06/26/1991EP0434409A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0434408A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0434407A1 Multistep synthesis of hexafluoropropylene
06/26/1991EP0433338A1 Azeotrope-like compositions of trichlorofluoromethane, dichlorotrifluoroethane and isopentane
06/25/1991US5026928 Perfluoroalkenes and fluorination products thereof
06/25/1991US5026497 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
06/19/1991EP0433130A2 Process for the elimination of vinylidene chloride from 1,1-dichloro-1-fluoroethane
06/19/1991EP0433129A2 Process for the purification of 1,1-dichloro-1-fluoroethane
06/19/1991EP0432874A1 Binary azeotropic compositions of 2,3-dichloro-1,1,1,3,3,-pentafluoropropane and methanol
06/19/1991CN1052354A Working medium of gu thermodynamics circulation thermodynamic system
06/16/1991WO1991009091A1 Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
06/16/1991CA2070377A1 Azeotrope-like compositions of 1, 2 - difluoroethane and dichlorotrifluoroethane
06/16/1991CA2031983A1 Purification of 1,1-dichloro-1-fluoroethane
06/16/1991CA2031689A1 Selective hydrogenolysis of perhalogenated ethane derivatives
06/15/1991CA2031982A1 Process for removing vinylidene chloride from 1,1-dichloro-1-fluoroethane
06/15/1991CA2031955A1 Process for removing dichloroacetylene from 1,1-dichloro-1-fluoroethane and/or vinylidene chloride
06/12/1991CN1052108A Synthese of perfluoroalkylbromide
06/11/1991US5023387 Liquid feed injection in a chloromethanes process
06/11/1991US5023377 Process for preparing fluorinated compounds
06/11/1991US5023057 Carbon particles travelling on a carrier surface reacted with fluorine diluted with an inert gas; continuous processing; nonflammable
06/05/1991EP0429451A1 Azeotropähnliche bestandteile von dichlortrifluoräthan, methanol und nitromethan.
06/05/1991CN1051904A Process for chlorofluoropropanes
05/1991
05/29/1991EP0429331A1 Process for the preparation of perfluoroalkyl bromides
05/29/1991CN1051724A Process for preparing halogenoalkanes
05/28/1991CA1284495C Chlorination of carbohydrates and other alcohols
05/25/1991CA2030348A1 Nonazeotropic refrigerant compositions and methods for using same
05/25/1991CA2029376A1 Syntheses of perfluoroalkyl bromides
05/22/1991EP0428166A1 Process for preparing methylhalides
05/22/1991EP0428039A1 Process for the preparation of highly fluorinated alkylbromides
05/22/1991EP0427782A1 Terminal chlorination of normal alkane hydrocarbons
05/15/1991EP0427604A1 Azeotropic mixture with a low boiling point based on fluoroalcanes and its uses
05/15/1991EP0427096A1 Process for the stabilisation chlorinated paraffins
05/15/1991CN1051351A Process for mfr. of 1,1-dichlorotetrafluoroethane
05/15/1991CN1051350A Prepn. of fluoroxy trifluoro methane by catalytic method
05/15/1991CN1051349A Fluorocarbon purification process
05/11/1991CA2028735A1 Low boiling point azeotropic fluoroalcane mixture and its uses
05/08/1991EP0426343A1 Process for manufacture of 1,1-dichlorotetrafluoroethane
05/08/1991EP0425540A1 Catalyzed hydrofluorination process.
05/08/1991EP0425538A1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES.
05/08/1991CN1051167A Halocarbon hydrogenolysis
05/07/1991US5013472 Hydraulic fluids and oils, endcapped perhaloalkyl oxyfluoride
05/02/1991WO1991005753A1 Process for chlorofluoropropanes
05/02/1991EP0424531A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/01/1991CA2028486A1 Process for manufacture of 1,1-dichloretetrafluoroethane
04/1991
04/30/1991US5011808 Mixture of metallic chlorides on a support
04/18/1991WO1991005082A1 Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene
04/18/1991WO1991005035A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/18/1991WO1991004955A1 Fluorocarbon purification process
04/18/1991CA2067220A1 Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene
04/18/1991CA2067218A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/17/1991EP0422203A1 Liquid feed injection in a chloromethanes process.
04/17/1991EP0422098A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
04/16/1991US5008476 Using hydrogen fluoride to inhibit disproportionation and enhance yield
04/16/1991US5008474 Process for the manufacture of 1-chloro-1,1-difluoroethane
04/16/1991CA1283131C Preparation of deuterated methylene chloride
04/16/1991CA1283130C Cotelomers of vinilydene fluoride with fluorinated olefins and processfor their preparation
04/11/1991WO1991005752A1 Halocarbon hydrogenolysis
04/11/1991CA2067370A1 Halocarbon hydrogenolysis
04/10/1991EP0421830A1 Process for the preparation of 1,1,1-chlorodifluoroethane
04/10/1991EP0420987A1 Process for preparing fluoroalkyl derivatives
04/10/1991EP0420932A1 Catalyzed hydrofluorination of alkenes.
04/10/1991EP0420916A1 Catalyzed hydrofluorination process.
04/09/1991CA1282789C Process for the co-production of aromatic carboxylates and alkyl iodides
04/05/1991CA2026825A1 Fluorocarbon purification process
04/03/1991EP0420709A1 Purification of 1,1-dichloro-1-fluoroethane
03/1991
03/27/1991CN1012170B Recovery of ethylene, chlorine and hcl from vented waste gas from direct chlorination seactor
03/20/1991EP0417680A1 Method for the production of 1,1,1,2-tetrafluoroethane
03/20/1991EP0299026B1 Process for the co-production of aromatic carboxylates and alkyl iodides
03/19/1991CA1281745C Recovery of ethylene, chlorine and hc1 from vented waste gas from direct chlorination reactor
03/13/1991EP0416016A1 Gas-phase fluorination process.
03/12/1991CA1281306C Process for the fluorination in liquid phase of unsaturated compounds
03/06/1991EP0415814A1 Liquid phase fluorination catalysts
03/06/1991EP0415250A1 Process for stabilizing chlorinated paraffins
03/06/1991EP0414804A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, methanol and nitromethane.
03/06/1991CN1049651A Process for synthesizing of sex pheromone of tao qiane
03/05/1991US4997589 Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
02/1991
02/27/1991EP0414370A1 Halogen-exchange process
02/27/1991CN1049461A Process for preparing chlorofluorocarbons via in situ generated activated aluminium trihalide catalyst and products resulting therefrom
02/26/1991US4996378 Process for production of 1,1-dichloro-1-fluoroethane and/or 1-chloro-1,1-difluoroethane
02/26/1991US4996371 Method for fluorodecarboxylation
02/19/1991US4994202 Solvent cleaning; refrigerants, aersol propellants, blowing agents for polymers
02/19/1991CA1280438C Process for the co-production of aromatic carboxylates and alkyl iodides
02/19/1991CA1280437C Process for the co-production of aromatic carboxylates and alkyl iodides
02/13/1991CN1049150A Halogen-exchange process
02/12/1991CA1280128C Preparation process of trifluoromethyl iodide
02/07/1991DE3925525A1 Prepn. of alpha, omega-bis-per:fluoro:alkyl alkane cpds. - by reacting 1-iodo-omega, per:fluoro:alkyl alkane or 1-bromo-omega-per:fluoro alkyl alkane with magnesium metal
02/05/1991US4990702 Reacting halocarbons having a replacable halogen other than fluorine with cesium or rubidium fluoro compounds
02/05/1991US4990701 Contacting a saturated halocarbon with an anhydrous melt containing potassium fluoride and hydrogen fluoride
02/05/1991US4990696 Oxychlorinationof perchloroethylene to form hexachloroethane which is reacted with methane to produce methyl chloride, hydrolysis
01/1991
01/30/1991EP0410336A1 Process for reduction of chlorinated solvent emissions
01/30/1991EP0409834A1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/29/1991CA1279658C Process for the purification of 1,2-dichloroethane
01/28/1991CA2022051A1 Process for reduction of chlorinated solvent emissions
01/25/1991CA2021464A1 Halogen-exchange process
01/23/1991CN1048700A Process for preparing 1,2-dichloro-1,1,2-trifluoroethane
01/23/1991CN1048699A Process for preparing 1,1,1,2-tetrafluoroethane
01/22/1991WO1991001287A1 Process for producing a dichloropentafluoropropane
01/22/1991US4986974 Process for the separation of halogenated hydrocarbons from hydrochloric acid
01/22/1991CA2034479A1 Process for producing a dichloropentafluoropropane
01/16/1991EP0408005A1 Process for preparing 1,1,1,2-tetrafluoroethane
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