Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929) |
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04/06/2000 | WO2000018706A1 Process for the preparation of cyclopropylacetylene |
04/06/2000 | DE19945890A1 New cyclohexane derivatives for use in liquid crystal media have at least one axial fluoro-methyl or -methoxy, optionally substituted sulfur pentafluoride or sulfonyl fluoride group at position one and/or four |
04/05/2000 | EP0990148A1 Electrokinetic pumping |
04/05/2000 | EP0799172B1 Catalytic hydrogenolysis |
04/05/2000 | EP0788469B1 Production of hydrofluoroalkanes |
04/05/2000 | EP0787117B1 Single stage fixed bed oxychlorination of ethylene |
04/05/2000 | EP0733613B1 Process for producing difluoromethane and 1,1,1,2-tetrafluoroethane |
04/05/2000 | CN2372318Y Methane chlorination chromatography tower equipment |
04/05/2000 | CN1051071C Method for converting chlorinated alkane into less chlorinated alkene |
04/04/2000 | US6046358 Purifying an impure tetra(dihydrocarbylamino)phophonium halide with a liquid cyclic ether to separate solid impurities; mixing with an anhydrous nonsolvent to precipitate the catalyst used to fluorinate halobenzenes |
04/04/2000 | CA2196194C Purification methods of pentafluoroethane |
03/30/2000 | WO2000017187A1 Processes for the preparation of isochromanones and intermediates for the preparation thereof |
03/30/2000 | WO2000017137A1 Process for producing 1,1,1,3,3-pentachloropropane |
03/30/2000 | WO2000017136A1 Process for producing 1,1,1,3,3-pentafluoro-propane and/or 1-chloro-3,3,3-trifluoropropene |
03/30/2000 | WO2000017135A1 Halocarbon compound production |
03/30/2000 | WO2000017132A1 Method for producing olefins |
03/30/2000 | WO2000017101A1 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes |
03/30/2000 | CA2345017A1 Method for producing olefins |
03/29/2000 | EP0988266A1 Continuous method for reducing carbonyl compounds |
03/29/2000 | CN1050776C Fluorination catalyst and process |
03/28/2000 | US6043397 Reacting an aromatic compound having carbonyl halide, aldehyde or ketone groups, and optionally halogen groups with a di(alkyl/phenyl)aminosulfur trifluoride; reaction can proceed in standard vessel at ambient temperature, pressure |
03/23/2000 | WO2000015588A1 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes |
03/23/2000 | DE19843012A1 (Hetero)aryl-substituted olefin preparation for use e.g. as polymer or drug intermediate, by Heck reaction using inexpensive catalyst system of divalent palladium compound and nitrogen-containing additive |
03/22/2000 | EP0987238A1 Liquid-crystalline compounds having bicyclo 1.1.1]pentane structure, liquid-crystal composition, and liquid-crystal display element |
03/21/2000 | US6040488 A free radical stabilizer having at least one 2,2,6,6-tetra(lower alkyl)-1-piperidinyloxy-yl free radical group; storage stability; efficiency |
03/21/2000 | US6040487 Process for the manufacture of halocarbons |
03/21/2000 | US6040486 Process for the manufacture of 2-chloro-1,1,1-trifluoroethane |
03/21/2000 | US6040485 A 1-branched alkyl-3-perfluoroalkylprop-1-ene, a solution of which in a silicone or fluorosilicone oil replaces the vitrous or aqueous humor in the eye to promote re-adhesion of the retina; stability; biocompatibility; solubilizer of oxygen |
03/21/2000 | US6039845 Purification of pentafluoroethane containing chloropentafluoroethane by removing chloropentafluoroethane using perfluoroalkyl halide, in which halide can be chlorie, bromide or iodide as extractant for extractive distillation |
03/16/2000 | WO2000014177A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
03/16/2000 | WO2000014040A1 Purification of 1,1,1,3,3-pentafluorobutane |
03/16/2000 | WO2000013782A1 Fluid distributor-mixer-extractor and related method |
03/16/2000 | CA2343022A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
03/15/2000 | EP0985650A1 Process for the preparation of pentafluoroethane |
03/15/2000 | EP0985649A2 Method for producing an aromatic compound having an alkyl group with at least three carbon atoms |
03/15/2000 | EP0984911A1 Method for preparing halogenated hydrocarbons |
03/15/2000 | EP0984910A1 Production of 1-bromopropane |
03/15/2000 | EP0782557B1 Purification process for hexafluoroethane products |
03/14/2000 | US6037509 Process for producing 1-bromo-4-phenylbutane |
03/14/2000 | US6037508 By reacting trichloroethylene with hydrofluoric acid and 1,1,1-trifluoro-2-chloroethane (133a) in given molar ratios using a chromiuim oxide (cr2o3) on aluminum fluoride (alf3) catalyst; recycling unreacted trichloroethylene and 133a |
03/09/2000 | WO2000012453A1 Process for the production of cyclopropylmethyl halides |
03/09/2000 | WO2000012452A1 Process for the production of cyclobutyl halides |
03/09/2000 | WO2000012449A1 Copper-catalyzed enantioselective allylic substitution reactions |
03/09/2000 | DE19940104A1 Purification of 1,1,1,3,3-penta:fluoro-butane, used as a blowing agent for plastic foam, involves treatment with a solid inorganic sorption agent or diatomatic molecules capable of addition to multiple bonds |
03/09/2000 | CA2282060A1 Method for producing aromatic compounds having alkyl group with at least three carbon atoms |
03/08/2000 | EP0983610A1 Method and apparatus for manufacturing a micromechanical device |
03/08/2000 | CN1246853A Process for preparation of epoxy compounds |
03/08/2000 | CN1246469A Naphthacridine derivative and liquid crystal composite containing it |
03/08/2000 | CN1246468A Improved process for preparing ketone musk |
03/08/2000 | CN1050115C Process for simultaneously producing trichloroethylene and perchloroethylene by chlorinating 1,2-dichloroethane in a facility capable of producing also carbon tetrachloride |
03/07/2000 | US6034290 Porous microcomposite of metal cation exchanged perfluorinated ion-exchange polymer and network of metal oxide, silica, or metal oxide and silica |
03/07/2000 | US6034289 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride |
03/07/2000 | US6034288 Process for vaporization of halocarbons |
03/07/2000 | US6034268 Organoleptic |
03/02/2000 | WO2000010952A1 Decahydronaphthalene derivative |
03/01/2000 | EP0982388A1 Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition containing said liquid compound and liquid crystal display device using said composition |
03/01/2000 | EP0982281A1 Fluorinated, saturated hydrocarbons |
03/01/2000 | EP0982069A2 Method of evacuating fine dust particles from a fluidized bed reactor, specifically for oxychlorination of ethylene |
02/29/2000 | US6031141 Catalytic dehydrofluorination and alkenylation in presence of cubic chromium trifluoride |
02/29/2000 | US6031126 Rearranging a hydrazobenzene compound to form a diaminodiphenyl compound, diazotising, catalytic reacting with a styryl compound to form a distyryl-biphenyl fluorescent whitening agent |
02/29/2000 | US6030591 Process for removing and recovering halocarbons from effluent process streams |
02/29/2000 | US6030545 Tercyclohexane, liquid-crystalline compound and liquid crystal composition comprising same |
02/24/2000 | WO2000009475A1 Amine derivatives |
02/24/2000 | WO2000009474A1 Process for preparing 3,5-difluoroaniline |
02/24/2000 | WO2000009261A1 Dispersion and stabilization of reactive atoms on the surface of metal oxides |
02/24/2000 | CA2339634A1 Amine derivatives |
02/23/2000 | EP0980347A1 Separation of co 2? from unsaturated fluorinated compounds by semipermeable membrane |
02/23/2000 | EP0980346A1 Co 2? removal from fluorocarbons by semipermeable membrane |
02/23/2000 | EP0980345A1 Method for preparing 1,1,1,3,3-pentachlorobutane |
02/23/2000 | CN1049647C Process for production of fluorinated hydrocarbons |
02/22/2000 | US6028232 Para-chlorination of aromatic compound |
02/22/2000 | US6028103 Triaryl methane compounds and analogues thereof useful for the treatment or prevention of sickle cell disease or diseases characterized by abnormal cell proliferation |
02/22/2000 | US6028026 Efficiency |
02/22/2000 | CA2101388C Improved catalyst and process for oxychlorination of ethylene to edc |
02/17/2000 | WO2000007968A1 Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst ligands |
02/17/2000 | DE19836470A1 Verfahren zur Herstellung von 4-Chlorbiphenylen A process for the preparation of 4-chlorobiphenyls |
02/17/2000 | CA2305363A1 Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst ligands |
02/16/2000 | EP0979809A1 Process for the preparation of 4-chlorobiphenylenes |
02/16/2000 | EP0979210A1 Preparation of lucas reagent of enhanced utility and its use in synthesis of cycloaliphatic chlorides |
02/16/2000 | CN1244855A Polymerizable biaryls, method for the production and use thereof |
02/16/2000 | CN1244854A Method for preparing styrenes |
02/16/2000 | CN1049420C Process for preparing 2,2-diphenylhexalfluoropropanes |
02/16/2000 | CN1049419C Process for producing fluorinated hydrocarbon |
02/15/2000 | US6025532 Process for the manufacture of hydrofluoroalkanes |
02/15/2000 | US6025521 Telomerization process for telomerizing ethylenic monomer compounds |
02/15/2000 | US6024894 Synergistic composition of quinone methide derivative and hydroxylamine compound |
02/09/2000 | EP0977739A1 Synthesis of intermediates useful in preparing tricyclic compounds |
02/09/2000 | EP0977729A1 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof |
02/09/2000 | EP0977718A1 Process for manufacturing allylhalide and equipment to be used therefor |
02/09/2000 | EP0788494B1 Process for the preparation of furosemide |
02/09/2000 | EP0767158B1 Process for producing difluoromethane |
02/09/2000 | CN1244139A Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
02/09/2000 | CN1243808A Flocculant of halogenated bone glue and its preparing process |
02/08/2000 | USRE36563 Transition metal compound, polymerization catalyst using same and process for producing styrenic polymer using said polymerization catalyst |
02/08/2000 | US6023004 Liquid phase catalytic fluorination of hydrochlorocarbon and hydrochlorofluorocarbon |
02/03/2000 | WO2000005749A2 Method and apparatus for anisotropic etching |
02/03/2000 | DE19834083A1 Verfahren zur Energieschonung, insbesondere bei der Oxychlorierung von Ethylen A method of energy conservation, particularly in the case of the oxychlorination of ethylene |
02/03/2000 | DE19833668A1 High-purity bis-para-substituted derivatives of 1,2-diphenyl-propane obtained by electrophilic substitution and selective separation, useful as intermediates, e.g. in production of polyester or polyurethane |
02/02/2000 | EP0976704A1 Energy-saving process for oxychlorination of ethylene |
02/02/2000 | EP0976700A1 Halogenating agent and process for halogenating hydroxyl group |