Patents
Patents for C07C 21 - Acyclic unsaturated compounds containing halogen atoms (4,465)
09/1999
09/14/1999CA2023704C Process for the preparation of terpenes
09/08/1999EP0940382A1 Azeotrope of HF and 1,1,1-trifluro-3-chloro-2-propene
09/02/1999WO1999043635A1 Hydrofluorination of chlorinated hydrocarbons
08/1999
08/04/1999EP0809621B1 Synthesis of tetrafluoroethylene
08/03/1999CA2093608C Process for the preparation of chloro-fluoro-butenes
07/1999
07/28/1999EP0931783A1 Uncatalyzed liquid phase fluorination of 1,1,3,3- tetrachloro-2-propene
07/28/1999EP0931064A1 Stabilised monomer composition
07/28/1999EP0931043A1 Vapor phase process for making 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene
07/27/1999US5929293 Process for the preparation of fluoroolefins
07/14/1999CN1222501A 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
07/06/1999US5919993 Method for preparing halogenated butene and butane
07/06/1999US5918481 Process for separating hydrogen fluoride from fluorocarbons
06/1999
06/30/1999EP0926115A1 Process for the preparation of perchloroethylene
06/24/1999WO1999031031A1 Stabilizer composition
06/24/1999CA2312969A1 Stabilizer composition
06/23/1999EP0802730B1 Pesticidal compounds
06/22/1999US5914423 Difluorobutenes and difluorobutanes
06/22/1999US5914352 Methods for the use of stabilized fluorocarbon emulsions
06/15/1999US5912390 Method for the work-up of a surfactant-containing reaction mixture
06/09/1999EP0682001B1 Process for producing 1,1,1,4,4,4-hexafluoro-2-butenes and 1,1,1,4,4,4-hexafluorobutane
06/09/1999CN1218789A Gas phase fluorination of 1,1,3,3-tetrachloro-2-propene
06/08/1999US5910617 Process for the preparation of aliphatic or cycloaliphatic chlorides
06/08/1999CA2019914C Dehydrofluorination and dehydrogenation of fluorinated alkanes
06/03/1999WO1999026908A1 Process for separating hydrogen fluoride from fluorocarbons
06/03/1999WO1999026907A1 Preparation of fluorine-containing organic compounds
06/03/1999CA2309694A1 Preparation of fluorine-containing organic compounds
06/02/1999EP0919527A1 Gas phase fluorination of 1,1,3,3-tetrachloro-2-propene
05/1999
05/19/1999EP0916640A1 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
05/19/1999EP0667804B1 Method of preparing alkanols and glycols
05/12/1999EP0915074A1 Tetrafluoroethylene shipping/storage mixtures
05/12/1999CA2253324A1 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
05/06/1999EP0913380A1 Process for the preparation of fluorinated olefin
04/1999
04/28/1999EP0773915B1 Purification of allyl chloride
04/28/1999EP0702666B1 Safe handling of tetrafluoroethylene
04/07/1999EP0677503B1 Process for producing 1,1,1,3,3-pentafluoropropane
04/06/1999US5891318 Production of ethylene dichloride by direct chlorination and production of vinyl chloride monomer using chlorine recycle and apparatus
03/1999
03/31/1999EP0905113A1 Process for the preparation of 2-chloroprop-1-ene
03/17/1999EP0793633B1 Method for converting a chlorinated alkane into a less chlorinated alkene
03/10/1999EP0759895B1 Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
03/02/1999US5877359 Uncatalyzed liquid phase fluorination of 1230ZA
02/1999
02/16/1999CA2094486C Process for preparing chloroethylene by ultrapyrolysis of 1,2-dichloroethane
02/02/1999US5866727 Tetrafluoroethylene is safely shipped or stored in the form of a liquid mixture with 35 to 65 mol % hexafluoropropylene.
01/1999
01/27/1999CN1206394A Process for producing 1,1,1,3,3-pentafluoropropane
01/20/1999EP0891959A1 Process for the preparation of aliphatic or cycloaliphatic chlorides
01/14/1999WO1998037043A3 Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
01/13/1999CN1041628C Method for separating sulfone from hydrocarbon stream having small concentration of sulfone
01/06/1999CN1203903A Method for preparing unsaturated trifluoroethylated compound
01/05/1999US5856593 Process for the production of fluorine containing olefins
12/1998
12/30/1998CN1203216A Process and intermediate compounds for preparation of pesticidal fluoroolefin compounds
12/23/1998EP0885867A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
12/19/1998CA2240886A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
12/16/1998EP0883588A1 Production of ethylene dichloride by direct chlorination and production of vinyl chloride monomer using chlorine recycle
12/16/1998CN1201774A Preparation of chloride substituted hydrocarbon
12/16/1998CN1041175C Catalyst prepared by particular preparation method and use in process for preparing tertiary olefins from alkyl-tert-alkylethers
12/10/1998WO1998055429A1 Solvents for use in fluorination reactions
12/10/1998CA2262532A1 Solvents for use in fluorination reactions
12/08/1998US5847243 Process for producing fluorinated alkene and fluorinated alkane
12/03/1998WO1998054117A1 Chemical compounds having two terminal trifluoromethyl groups
12/02/1998CN1200717A Process for preparing 4-bromo-1,1-difluorbut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
11/1998
11/12/1998WO1998050332A1 Separation of co2 from unsaturated fluorinated compounds by semipermeable membrane
11/11/1998EP0877009A1 Process for producing 1,1,1,3,3-pentafluoropropane
11/05/1998DE19718003A1 Work-up process for thermal cleavage products of 1,2-di:chloro:ethane
10/1998
10/28/1998EP0743932B1 Process for producing vinyl chloride
10/28/1998EP0658530B1 Process for producing 1,1,1,2,3,3-hexafluoropropane and process for producing tetrafluorochloropropene
10/13/1998US5821394 Reacting chlorinated alkane with hydrogen in presence of supported catalyst comprising palladium and additional metal
10/07/1998EP0739330B1 Aqueous submersion pyrolyzation of fluoroform
09/1998
09/30/1998CN1194298A Cleaning or drying composition using 1,1,1,2,3,4,4,5,5,5-decafluoropentoane as main compound
09/22/1998US5811603 Reacting 1,1,3,3-tetrachloropropene(1230za) with hydrogen fluoride using an aluminum fluoride or chromium compound to produce 1-chloro-3,3,3-trifluoropropene, 1,3,3,3-tetrafluoro-propene and 1,1,1,3,3-pentafluoropropane
09/16/1998EP0863863A1 Novel fluorinated organic compounds, ophthalmological applications thereof and method for making same
08/1998
08/27/1998WO1998037043A2 Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
08/26/1998CN1191157A Bulk catalysts based on chromium and on nickel for gas-phase fluorination of halogenated hydrocarbons
08/06/1998WO1998033755A1 The catalytic manufacture of pentafluoropropenes
08/05/1998EP0856578A1 Cleaning or drying compositions containing 1,1,1,2,3,4,4,5,5,6-decafluoropentane
08/05/1998EP0856343A1 Purifier and purifying method for polymerizable organic compounds
08/05/1998EP0783533B1 Partially fluorinated polymers and process therefor
08/05/1998CN1189485A Purifier and purifying method for polymerizable organic compounds
08/04/1998CA2101526C Inhibiting popcorn polymer formation with compounds incorporating group iv elements
07/1998
07/22/1998CN1188466A Process to make allyl chloride and reactor useful in that process
07/15/1998EP0633925B1 Ternary azeotropic compositions
07/15/1998EP0519050B1 Method and device for manufacturing chemicals
07/14/1998US5780672 Process for the selective preparation of monofluoro derivatives
07/01/1998EP0850211A1 Process for the preparation of 4-bromo-1,1-difluorobut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
06/1998
06/30/1998US5773673 Method of making chlorinated hydrocarbons
06/17/1998EP0847801A1 Chromium and nickel oxide-based solid catalysts useful for the fluorination of halogenated hydrocarbons
06/11/1998WO1998024744A1 Polyhalogen hexenes production thereof and production of halogenated c4 carboxylic acids from these compounds
06/10/1998DE19650199A1 Polyhalogenhexene, ihre Herstellung und die Herstellung von halogenierten C¶4¶-Carbonsäuren daraus Polyhalogenhexene, their preparation and the preparation of halogenated carboxylic acids therefrom C¶4¶
06/09/1998US5763705 Method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene
06/09/1998US5763698 Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
05/1998
05/28/1998WO1998022414A1 The catalytic manufacture of vinyl fluoride
05/27/1998EP0844225A1 A method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane
05/26/1998US5756653 Substituted polythiophenes from highly reactive zinc reagents
05/06/1998EP0737179B1 Process for the production of fluorinated olefins
05/05/1998CA2152940C A method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene
05/05/1998CA2035687C Application of (perfluoroalkyl)-ethylenes as cleaning or drying agents, and compositions of use as such
04/1998
04/29/1998EP0837841A1 Process to make allyl chloride and reactor useful in that process
04/29/1998EP0821702A4 An acetylenic carbon allotrope
04/29/1998CN1180346A Preparation of tetrafluoroethylene
04/15/1998CN1179143A Preparation of tetrafluoroethylene
04/08/1998EP0834498A1 Process for the preparation of aminoalkynes
04/08/1998EP0733031B1 Process and device for cleaning vinyl chloride
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