Patents
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Patents for C07C 21 - Acyclic unsaturated compounds containing halogen atoms (4,465)
10/1996
10/16/1996EP0737179A1 Process for the production of fluorinated olefins
10/16/1996EP0631568B1 Removal of catalyst from chloroprene by treatment with oxy acid
10/16/1996EP0562034B1 Production of alkenes
10/08/1996US5563304 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF
10/03/1996WO1996030323A1 Preparation of tetrafluoroethylene
10/03/1996WO1996030322A1 Preparation of tetrafluoroethylene
10/01/1996US5561096 Catalytic system comprising a hydrogenation catalyst on a support and process for the hydrodechlorination of chlorofluorinated hydrocarbons
10/01/1996US5560861 Perfluorinated alkane or alkene and solvent; cleaning compositions for electronics
09/1996
09/25/1996EP0733031A1 Process and device for cleaning vinyl chloride
09/25/1996EP0723525A4 Process for decreasing chlorine content in chlorinated hydrocarbons
09/19/1996WO1996028404A1 Novel intermediates for the synthesis of trifluoromethylated organic compounds
09/18/1996EP0732316A1 Process for the catalytic dehydrohalogenation of halogenated hydrocarbons
09/18/1996EP0581961B1 Process for producing halogenated butene and butane
09/18/1996CN1032810C Synthesis process of 2-multifluoro-or perfluoro-alkyl iodohydrocarbon
09/17/1996US5557020 High-purity perfluoro-4-methyl-2-pentene and its preparation and use
09/17/1996US5557018 Partially flourinated polymers and process therefor
08/1996
08/22/1996WO1996025378A1 Synthesis of tetrafluoroethylene
08/21/1996EP0727405A1 Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone
08/21/1996CN1129214A Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone
08/13/1996US5545781 Process for dehydrochlorinating 3,4-dichloro-1-butene to yield chloroprene
08/13/1996US5545780 Process for the preparation of vinyl chloride
08/07/1996CN1128535A Process for the preparation of fluoroathenylthio heterocyclic derivatives
07/1996
07/31/1996EP0723525A1 Process for decreasing chlorine content in chlorinated hydrocarbons
07/25/1996WO1996022314A1 An acetylenic carbon allotrope
07/18/1996WO1996021355A1 Pesticidal compounds
07/17/1996EP0606334B1 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
07/03/1996EP0584074B1 A process for the production of ethylene or a mixture of ethylene and vinyl chloride
07/02/1996US5532421 Nitric acid as selective catalyst
07/02/1996US5532419 Forming hydrofluorocarbons, rcf2ch2ch2f, where r is cxclyfz and y+z=2x+1, by reacting rcf2ch=ch2 with hydrogen fluoride in presence of antimony /v/ halide catalyst
07/02/1996US5532418 Hydrogenation in the presence of a catalyst of iron oxide, chromium oxide or copper oxide to form tetrafluoropropene with hydrogen fluoride
06/1996
06/19/1996EP0717021A1 Method for working up a surfactant-containing reaction mixture
06/19/1996EP0524938B1 Extractive distillation
06/19/1996CN1124951A Safe handling of tetrafluoroethylene
06/05/1996EP0714384A1 Process for combining chlorine-containing molecules to synthesize fluorine-containing products
06/05/1996EP0596007B1 Catalytic hydrogenolysis
06/04/1996US5523498 Reacting with hydrogen chloride in vapor phase at elevated temperature in presence of catalyst
06/04/1996US5523497 Process for preparing hexafluorochlorobutenes
05/1996
05/30/1996WO1996016003A1 Method for converting a chlorinated alkane into a less chlorinated alkene
05/30/1996WO1996015981A1 Process for recovery of anhydrous hydrogen chloride from mixtures with non-condensable gases
05/22/1996EP0712395A1 Process for the preparation of fluoroathenylthio heterocyclic derivatives
05/22/1996CN1031823C Production of hydrocarbon derivatives
05/14/1996US5516946 Using pyrolysis
05/08/1996CN1122146A Azeotropic compositions
05/07/1996US5514473 Barrier blend for use in food-packaging film
05/07/1996US5514251 Process for the removal of water from a solution by azeotropic distillation and process for the production of a hydrofluoroalkane
04/1996
04/30/1996CA2004312C Production of allyl chloride
04/17/1996EP0519935B1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
04/16/1996US5507920 Process and apparatus for purifying vinyl chloride
04/10/1996EP0569502B1 Inhibiting popcorn polymer formation with alkyl halides
04/04/1996WO1996010047A1 Partially fluorinated polymers and process therefor
04/02/1996US5504266 Process to make allyl chloride and reactor useful in that process
03/1996
03/27/1996EP0702666A1 Safe handling of tetrafluoroethylene
02/1996
02/27/1996US5494601 Containing perfluorinated alkane and an acyclic ether solvent ether solvent
02/22/1996WO1996005157A1 Process for the production of fluorine containing olefins
02/11/1996CA2129862A1 Process for recovering halocarbons from liquid waste slurries
02/08/1996WO1996003362A1 Purification of allyl chloride
02/08/1996CA2195536A1 Purification of allyl chloride
02/07/1996CN1030908C Process for production of polyfluoroolefins
01/1996
01/31/1996EP0694512A2 Process for preparing hexafluoro-C4-alkyl compounds
01/30/1996US5488190 Dehydrochlorination with heat exchanging in the presence of silica, alumina or attapulgite silicoaluminates
01/24/1996CN1115574A Oxychlorination process
01/17/1996EP0692017A1 Azeotropic compositions
01/11/1996WO1996000707A1 Process for producing fluorinated alkene derivative and fluorinated alkane derivative
01/02/1996US5481050 Solvents
12/1995
12/27/1995EP0569359B1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements
12/19/1995US5476979 Using Group 8 metal catalyst on Group 1B support
12/12/1995US5475071 Partially fluorinated polymers and process therefor
12/07/1995WO1995032935A1 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with hf
11/1995
11/30/1995WO1995032170A1 Method of obtaining a monomer by the pyrolitic decomposition of a polymer and a device for carrying out said method
11/23/1995WO1995031422A1 Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
11/22/1995EP0683149A2 New peroxide curable fluoroelastomers, particularly suitable for manufacturing O-rings
11/16/1995DE4416326A1 Prodn. of hexa:fluoro-butane or -butene cpds.
11/15/1995EP0682001A1 Process for producing 1,1,1,4,4,4-hexafluoro-2-butenes and 1,1,1,4,4,4-hexafluorobutane
11/10/1995CA2148752A1 Process for preparing hexafluoro-c4 compounds
11/02/1995EP0679438A1 Catalyst for the preparation of 1-chloro-3-methyl-2-butene
10/1995
10/31/1995US5463153 Catalytic dehydrochlorination of a dichlorobutene in vapor phase
10/31/1995US5463150 Process for preparing hexafluorobutene
10/31/1995US5463149 For use as raw materials to prepare active substances such as sex pheromones of insects
10/18/1995EP0677503A1 Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene
10/04/1995EP0674612A1 Fluorinated monomers and polymers
09/1995
09/27/1995EP0673354A1 Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
09/26/1995US5453557 Processes for converting chlorinated byproducts and waste products to useful materials
09/20/1995CN1108639A Process for the preparation of fluorinated monomers
09/20/1995CN1108638A Production of fluorocarbon compounds
09/06/1995EP0670294A2 Process for making hexafluoropropane and perfluoropropane
08/1995
08/29/1995US5446217 Alkylation a perfluorochloro- or bromo-hydrocarbon with ethylene, alkenylation and dechlorination by reacting with hydrogen fluoride in presence of fluorination catalysts
08/23/1995EP0667847A1 By-product recycling in oxychlorination process
08/23/1995EP0667844A1 Oxychlorination process
08/23/1995EP0667804A1 Method of preparing alkanols and glycols
08/17/1995WO1995021807A1 Process for producing vinyl chloride
08/17/1995DE4404510A1 Verfahren zur Herstellung von Vinylchlorid A process for the production of vinyl chloride
08/17/1995CA2183078A1 Process for producing vinyl chloride
08/16/1995EP0666736A1 Stabilization of fluorocarbon emulsions.
07/1995
07/20/1995WO1995019333A1 Aqueous submersion pyrolyzation of fluoroform
07/19/1995EP0662940A1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene.
07/19/1995EP0662939A1 Processes for converting 1,2,3-trichloropropane to allyl chloride and propylene
07/19/1995EP0662938A1 Process for converting 1,1,1,2-tetrachloroethane to vinylidene chloride
07/19/1995EP0662937A1 Process for converting 1,2-dichloropropane to propylene.
07/19/1995EP0662936A1 Process for converting 2-chloropropane to propylene.
07/11/1995US5432259 Process for the preparation of fluorinated monomers
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