Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
06/2001
06/05/2001US6242659 Process for the manufacture of difluoromethane
06/05/2001US6242658 Process for the manufacture of fluorine-substituted hydrocarbons
06/05/2001US6242654 Preparation process of fluorine substituted aromatic compound
06/05/2001US6242544 Polyolefins prepared using soluble metallocene compounds in combination with aluminoxanes; high molecular weight and isotacticity
06/05/2001US6242410 Azeotropic composition of hexafluoropropylene dimer and acetonitrile and separation process using the same
06/05/2001US6241917 Halogen exchange reactions in preparing catalysts and their precursors
06/05/2001CA2101525C Inhibiting popcorn polymer formation with sulfur-containing compounds
05/2001
05/31/2001WO2001038275A1 Dehydrohalogenation of halogenated alkanes using rare earth halide or oxyhalide catalyst
05/31/2001WO2001038274A1 Process for vinyl chloride manufacture from ethane and ethylene with partial hc1 recovery from reactor effluent
05/31/2001WO2001038273A1 A process for the conversion of ethylene to vinyl chloride, and novel catalyst compositions useful for such process
05/31/2001WO2001038272A1 PROCESS FOR VINYL CHLORIDE MANUFACTURE FROM ETHANE AND ETHYLENE WITH SECONDARY REACTIVE CONSUMPTION OF REACTOR EFFLUENT HCl
05/31/2001WO2001038271A1 Oxyhalogenation process using catalyst having porous rare earth halide support
05/31/2001WO2000076945A3 Uv-activated chlorination
05/31/2001US20010002425 Reacting a 1,4-bis/1,3-dioxa-, dithia- or oxathia- 4,5, or 6-member cycloalk-2-yl/benzene, a fluorinating compound and a bromine-containing compound in a solvent at low temperatures; simplification
05/31/2001DE19955142A1 Process for drying product stream containing 1,2-dichloroethane from direct chlorination and/or oxychlorination of ethylene uses acid-resistant molecular sieve, e.g. type A zeolite
05/31/2001CA2391938A1 Dehydrohalogenation of halogenated alkanes using rare earth halide or oxyhalide catalyst
05/31/2001CA2391586A1 Process for vinyl chloride manufacture from ethane and ethylene with secondary reactive consumption of reactor effluent hcl
05/31/2001CA2391432A1 Process for vinyl chloride manufacture from ethane and ethylene with partial hcl recovery from reactor effluent
05/31/2001CA2391321A1 Oxyhalogenation process using catalyst having porous rare earth halide support
05/30/2001CN1297428A Method for chlorinating ketones
05/30/2001CN1066429C Synthesis of difluoromethane
05/30/2001CN1066428C Process for mfg. difluoromethane
05/29/2001US6239319 Evaporation of liquid
05/29/2001US6239317 Process for the production of halogeno-o-hydroxydiphenyl compounds
05/29/2001US6239220 Recovery of triarylmethyl halide protecting groups cleaved during oligonucleotide synthesis
05/29/2001US6239055 Process and vessel for regeneration of a catalyst including monitoring and monitoring and control of combustion completion
05/29/2001CA2032278C Multistep synthesis of hexafluoropropylene
05/29/2001CA2021141C Process for the preparation of 1,1,1-trifluoro-2-chloroethane
05/25/2001WO2001036355A1 Process for producing 1,1,1,3,3-pentafluoropropane
05/23/2001DE19953762A1 Verfahren zur Nutzung der bei der 1,2-Dichlorethan-Herstellung im Direktchlorierungsreaktor anfallenden Wärme Method for use of waste in the production of 1,2-dichloroethane in the direct chlorination heat
05/23/2001CN1295996A Process for synthesizing alpha position perfluoro-p-xylene polymer
05/23/2001CN1295995A Process for purifying pentafluoroethane
05/22/2001US6235953 Chlorination of ethylene and distillation
05/22/2001US6235952 Isomerization of halogenated ethylbenzene using acidic zeolite with metal from group 7 to 11
05/22/2001US6235951 Hydrofluorination of 1-chloro-3,3,3-trifluoropropene and disproportionation
05/22/2001US6235950 Chlorinating a ketone with chlorine, fluorinating with hydrogen fluoride, reduction with hydrogen to form alcohols
05/22/2001US6235949 Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof
05/22/2001US6235870 Dehydrohalogenation of poly (phenylhalo-b-hydroxypropyl ether) to form polyepoxide
05/22/2001US6235265 Evaporative coolant for topical anesthesia comprising hydrofluorocarbons and/or hydrochlorofluorocarbons
05/22/2001US6235161 Separating mixture of 1,1-dichloro-1-fluoroethane and 1,1,1,2-tetrachloroethane by heating using container made of nickel alloy and adding butylene oxide; inhibits formation of vinylidene chloride
05/17/2001WO2001034542A2 Method and device for exploiting heat resulting from the production of 1,2-dichloroethane
05/17/2001DE19954485A1 Immobilized ionic liquid production having anion and organic cation components comprises forming funtionalized support material in absence of ionic liquid and treating funtionalized support material with ionic liquid
05/17/2001DE19954014A1 Verfahren zur Herstellung von Trifluormethylanilinen A process for preparing trifluoromethylanilines
05/16/2001EP1099686A2 Process for the preparation of trifluormethylanilines
05/16/2001EP1099244A2 Method and apparatus for anisotropic etching
05/16/2001CN1295546A Method for preparing decomposition products from thermal decomposition of 1,2-dichloroethane
05/16/2001CN1065855C Method for separating hydrongen chloride
05/15/2001US6232514 Process for preparing pentafluoroethane
05/15/2001US6232513 Isomerization of hydrofluorocarbon having certain thermodynamic stability into hydrofluorocarbon of greater thermodynamic stability by subjecting first hydrofluorocarbon to heat treatment in presence of hydrogen
05/15/2001US6231790 Tetrakis-pentafluorophenyl borates from pentafluorophenyl grignard reagents
05/15/2001US6231785 Benzene derivative and its production method
05/10/2001WO2001032656A1 Polymorphic form of a tachykinin receptor antagonist
05/10/2001WO2001032592A1 Process for the preparation of halogenated ethanes
05/10/2001WO2001032308A1 Immobilised ionic liquids
05/10/2001WO2001017931A3 Regeneration of onium fluoride-hf adducts
05/10/2001DE19953194A1 Verfahren zur Aufbereitung von Reaktionsgemischen, hergestellt durch Halexreaktion A process for the preparation of reaction mixtures produced by halex reaction
05/10/2001CA2389803A1 Process for the preparation of halogenated ethanes
05/10/2001CA2388805A1 Immobilised ionic liquids
05/10/2001CA2388202A1 Polymorphic form of a tachykinin receptor antagonist
05/09/2001EP1097914A2 Process for the treatment of reaction mixtures, obtained by halogen exchange reactions
05/09/2001EP1097158A2 Ligands for metals and metal-catalyzed processes
05/09/2001CN1294568A Fluorinating agent, process for producing same, and use thereof
05/09/2001CN1065520C 1,1-difluoro-1,4-dichlorobutane and process for its prepn.
05/09/2001CN1065519C Process for converting low-boiling by-products formed during thermal cracking of 1,2-dichloroethane
05/09/2001CN1065518C Process for prepn. of 1,1-difluoroethane
05/09/2001CN1065511C Prepn. for carbonyl fluoride
05/08/2001US6229059 Process for the production of 1, 2-dichloroethane
05/08/2001US6229058 Preparation of fluorinated propanes and pentanes
05/08/2001US6229057 Contacting 1,1-dichloro-2,2,2-trifluoroethane with chlorine in presence of free-radical initiator to form 1,1,1-tri-chlorotrifluororethane; intermediates of precursors of insecticides (cyhalothrin and tefluthrin)
05/08/2001US6229040 Using free radical catalysts
05/08/2001US6228799 Composition based on cerium oxide and on zirconium oxide with a high specific surface and a high oxygen storage capacity, process of preparation and use in catalysis
05/03/2001WO2001030728A1 A method of making high purity 2,4-and 3,4- dichlorotoluene
05/03/2001WO2001030727A1 A method of increasing certain isomeric ratios in chlorinating substituted benzenes
05/02/2001CN1065228C Process for producing pentafluoroethane
05/01/2001US6225514 Ring halogenation of aromatic compounds
05/01/2001US6224762 Distributor-mixer-extractor of fluids and associated process
04/2001
04/26/2001WO2001028959A1 Preparation of selectively fluorinated organic compounds
04/25/2001EP1094053A1 Method of preparing fluoroaromatic compounds
04/25/2001EP0810192B1 Process for preparing 1,1,1,3,3-pentafluoropropane
04/25/2001CN1292773A Process for purifying perfluorocyclobutane
04/25/2001CA2287151A1 Preparation of lucas reagent of enhanced utility and its use in synthesis of cycloaliphatic chlorides
04/24/2001US6222079 Method of increasing certain isomeric ratios in chlorinating substituted benzenes
04/24/2001US6222078 Reactng trichloro aromatic compound with hydrogen fluoride in presence of metal oxide catlyst or metal compound catalyst to form chloro, difluoro aromatic compound
04/24/2001US6222064 Fluorination with aminosulfur trifluorides
04/24/2001US6221830 Purification process for hexafluoroethane products
04/24/2001CA2036221C Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons
04/19/2001WO2001027057A1 Separation of halogenated compounds
04/19/2001WO2001027056A1 Removal of chlorinated methane impurities
04/19/2001CA2387015A1 Separation of halogenated compounds
04/18/2001CN1291974A Cyclohexanediole derivatives
04/18/2001CN1064663C Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with water as extractant
04/17/2001US6218587 Catalytic hydrogenolysis
04/17/2001US6218586 Fluorination of perhalogenated cyclopentene to perhalogenated cyclopentane using fluorine and hydrogen chloride in presence of metal compound catalyst on active carbon support; saturation
04/17/2001US6218564 A chloroaromatic compound and an alkyl-, alkenyl- or aryl-boronic acid ester or anhydride are coupled in the presence of palladium and a lipophilic aliphatic phosphine
04/17/2001US6218536 1,2-bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions
04/17/2001CA2025145C Process for the preparation of 1,1,1,2-tetrafluoroethane
04/12/2001WO2001025177A1 Method for preparing an organic compound and method for recovering a co-catalyst
04/12/2001WO2001025176A1 Method for preparing halogenated hydrocarbons
04/12/2001WO2001025175A1 Method for obtaining halogenated hydrocarbons in the presence of a co-catalyst
04/12/2001DE10037323A1 Verfahren und Vorrichtung zur Wärmenutzung bei der Herstellung von 1,2-Dichlorethan Method and apparatus for heat recovery in the production of 1,2-dichloroethane