Patents
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Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
10/2000
10/19/2000WO2000061530A1 Process for the preparation of halogenated compounds
10/19/2000WO2000061526A1 Method for carrying out the transition metal-catalyzed dimerization or codimerization of alkenes in compressed carbon dioxide which serves as a solvent
10/19/2000DE19916222A1 Verfahren zur Herstellung von Biarylen A process to prepare biaryls
10/19/2000CA2369607A1 Method for carrying out the transition metal-catalyzed dimerization or codimerization of alkenes in compressed carbon dioxide which serves as a solvent
10/18/2000EP1044952A2 High transverse dipole moment aryl compounds
10/18/2000EP1044950A1 Method and device for the preparation of 1,2-dichloroethane
10/18/2000EP0760825B1 Polymerization and telomerization of vinyl monomers with fluorinated carbon as initiator
10/18/2000CN1270575A Method for producing perhalogenated cyclopentene
10/18/2000CN1270156A Process for purifying trifluorobichloroethane
10/18/2000CN1057516C Process for manufacture of pentafluoroethane
10/17/2000US6133468 Method for preparing substituted benzyl bromides
10/17/2000US6132641 Composition and support material comprising poly(9,9'-spiro-bisfluorenes)
10/12/2000WO2000059850A1 Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropane
10/12/2000DE19915904A1 Verfahren zur übergangsmetallkatalysierten Dimerisierung oder Codimerisierung von Alkenen in komprimiertem Kohlendioxid als Lösungsmittel Method for Transition-dimerization or co-dimerization of alkenes in compressed carbon dioxide as a solvent
10/12/2000CA2369943A1 Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropane
10/11/2000EP1043297A1 Process for the preparation of compounds having -ch2-chf- groups
10/11/2000EP1042257A1 Stabilizer composition
10/11/2000EP1042256A1 Process for the preparation of difluoromethane
10/11/2000CN1057331C Cleaning compositions
10/10/2000US6130361 Adding friedel-crafts catalyst; brominating meta isomer; heating above boiling point of other isomers; separation
10/10/2000US6130357 Polyhalogenated monoheteroborane anion compositions
10/10/2000CA2039196C Chemical process
10/05/2000WO2000058241A1 Preparation of selectively fluorinated organic compounds
10/05/2000WO2000058215A1 Method for activating mineral fluoride in an organic medium
10/05/2000DE19918009A1 New trans-2,2,6,6-, -3,3,5,5-tetra- and 2,2,3,3,5,5,6,6-octa-fluorocyclohexyl compounds are used in liquid crystal medium in display or dielectric in electrooptical display, e.g. reflective or transflective display
10/05/2000CA2366448A1 Method for activating mineral fluoride in an organic medium
10/04/2000EP0770588B1 Process for producing difluoromethane
10/04/2000CN1268501A Method for simultaneously producing pentafluoroethane and tetrafluorochloroethane
10/03/2000US6127587 Fluorination process
10/03/2000US6127586 Contacting a perhaloethylene or pentahaloethane with hydrogen fluoride in the liquid or vapour phase in the presence of a fluorination catalyst
10/03/2000US6127585 Decreasing the chlorine to carbon ratio for halogenated hydrocarbons containing chlorine and from 1 to 6 carbon atoms in the presence of a multiphase catalyst
10/03/2000US6127577 Fluorinating 1,3,5-trichlorobenzene and then aminating the intermediate fluorinated benzene with aqueous or anhydrous ammonia to achieve the product in yields of greater than 80%
10/03/2000CA2189288C Method for removal of heavy metal alkoxide compounds from liquid hydrocarbon
09/2000
09/28/2000WO2000056687A1 Method for separating hydrogen fluoride from its mixtures with 1,1,1,3,3-pentafluorobutane and method for making 1,1,1,3,3-pentafluorobutane
09/28/2000WO2000056686A1 Method and unit for producing vinyl chloride by thermal cracking of 1,2-dichloroethane
09/27/2000EP1038858A1 Process for the preparation of pentafluoroethane, fluorination catalysts and process for the preparation thereof
09/27/2000EP1038857A1 Process for the separation of mixtures containing hydrogen fluoride and 1,1,1,3,3-pentafluorobutane and process for the preparation of 1,1,1,3,3-pentafluorobutane
09/27/2000EP1037866A1 A catalytic process for methanol synthesis
09/26/2000US6124512 Ring halogenation of aromatic compounds
09/26/2000US6124511 Method for producing a hydrogen-containing fluorinated alkane
09/26/2000US6124510 Dehydrofluorination of 1,1,1,3,3-pentafluoropropane using a fluorided cr2o3 or cr/ni/alf3 and recovering cis/trans 1,1,1,3-tetrafluoro-2-propene from the resulting reaction mixture.
09/26/2000US6124484 Recovery of triarylmethyl halide protecting groups cleaved during oligonucleotide synthesis
09/26/2000US6123749 Contacting unsaturated fluorinated compound carbon dioxide mixture with semipermeable membrane to form exit stream having increased concentration of carbon dioxide and other exit stream having reduced concentration of carbon dioxide
09/21/2000WO2000055107A1 Method of producing ethylene (di)chloride (edc)
09/21/2000DE19911078A1 Verfahren zur Herstellung von VCM A process for the production of VCM
09/21/2000DE19910964A1 Verfahren zur Herstellung von Ethylendichlorid (EDC) A process for the production of ethylene dichloride (EDC)
09/20/2000EP1036054A1 Method for producing 1,2-dichloroethane by oxychlorination
09/20/2000EP0850210B1 Process for the preparation of halogenated alkanes
09/19/2000US6121495 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
09/19/2000US6121212 Lubricant for improved gliding properties of skis and its application in skiing
09/19/2000US6120665 Adding pumping additive to fluid to alter pumping pressure, pumping flow rate, electrical efficiency, or flow direction of the resulting fluid mixture to be pumped through capillary channel
09/19/2000US6120652 Extractive distillation to remove by-product hcfc-1233zd(t)(1-chloro-3,3,3-trifluoro-trans-1-propene) from crude using solvent having higher boiling point than hcfc-1233zd(t)
09/14/2000WO2000053655A1 Triptycene polymers and copolymers
09/14/2000WO2000053549A1 Method of producing fluorinated compounds
09/13/2000EP1035095A1 Method for making 1,2-Dibromoindane
09/13/2000EP1034837A2 Process for producing Vinyl chloride monomere (VCM)
09/13/2000EP1034157A1 Preparation of fluorine-containing organic compounds
09/13/2000EP1034156A2 Method of producing hydrofluorocarbons
09/13/2000EP1034020A1 Process for separating water from chemical mixtures
09/13/2000CN1266046A Process for drying difluoromethane
09/13/2000CN1266045A Process for preparation of 1,1,1,3,3-pentafluoropropane
09/13/2000CN1056362C Preparation of hexafluoroprppene oligomer
09/12/2000US6118033 Method for preparing heptafluoropropane
09/12/2000US6118032 Process for the production of cyclopropylmethyl halides
09/12/2000US6118031 Bromination herbicide intermediate
09/12/2000US6118018 Chlorination and bromination of aromatic compounds at atmospheric pressure
09/12/2000US6118006 Method for preparing a tetrahydropyridin derivative
09/12/2000US6117360 Liquid crystal composition and liquid crystal display device
09/12/2000US6117278 Method of making α-chloroxylenes
09/08/2000WO2000052740A1 Gas delivery system
09/08/2000WO2000051958A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
09/08/2000WO2000051938A1 Chlorotrifluorine gas generator system
09/08/2000WO2000051937A1 Gas generation system
09/08/2000WO2000051720A2 Chemical processing microsystems and methods for preparing and using same
09/08/2000CA2360507A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
09/06/2000EP1032577A1 Improved catalysis in halogen exchange reactions
09/06/2000EP1032551A1 Process for separating hydrogen fluoride from fluorocarbons
09/06/2000CN1265639A Method for preparing substituted benzyl bromides
09/06/2000CN1265389A Method for preparation of 1,2-dichloroethane by oxidative chlorination
09/06/2000CN1056133C Safe handling of tetrafluoroethylene
09/05/2000USRE36849 Anisotropic compounds and liquid crystal mixtures therewith
09/05/2000US6114591 Process for preparing highly chlorinated paraffins
09/05/2000US6114590 Catalyzing the halogenation with potassium fluoride in the presence of a quaternary phosphonium salt or a crown ether
08/2000
08/31/2000WO2000050368A1 An improved process for producing hexabromocyclododecane
08/31/2000DE19904836C1 Verfahren zur Herstellung von 1,2-Dichlorethan A process for the preparation of 1,2-dichloroethane
08/31/2000CA2362951A1 An improved process for producing hexabromocyclododecane
08/30/2000EP1031551A2 A process for preparing all trans-form polyprenols
08/30/2000EP1030818A1 Process for purifying perfluorinated products
08/30/2000EP0874794B1 Manufacture of 1,1-difluoroethane
08/30/2000EP0820427B1 Preparation of tetrafluoroethylene
08/30/2000EP0770083B1 PYRIDO[3,2,1-i,j][3,1]BENZOXAZINE DERIVATIVES
08/30/2000EP0763004B1 Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with hf
08/30/2000CN1265087A Process for prepn. of cyclopropylacetylene
08/29/2000US6111153 Process for manufacturing methyl chloride
08/29/2000US6111152 Method for separating vinyl chloride from a thermally decomposed product of 1,2-dichloroethane
08/29/2000US6111151 Separating lighter tops stream comprising hydrogen fluoride and lighter boiling organic components from heavy bottoms stream comprising hydrogen fluoride, water and heavier organic components, feeding heavy stream to phase separator as liquid
08/29/2000US6111150 Adding hydrogen fluoride to 1,3,3,3-tetrafluoropropene in liquid phase in presence of hydrohalogenation catalyst
08/29/2000US6111130 Process for the preparation of trifluoromethyl containing derivatives
08/29/2000US6111117 Using columns containing metal cloth packings with ordered structure using channel liquid distributors with 500 or more drip points/m2, which are arranged at an angle of 90 degrees to the cloth layers of the packing elements
08/24/2000WO2000002887B1 Ligands for metals and metal-catalyzed processes
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