Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
02/1995
02/28/1995US5393509 Crystalline phases of Alfk (OH)3-k and HAlF4
02/23/1995WO1995005353A1 Process for combining chlorine-containing molecules to synthesize fluorine-containing products
02/23/1995WO1995005352A1 Process to produce vinylidene chloride using phase transfer catalyst
02/23/1995CA2167698A1 Process for combining chlorine-containing molecules to synthesize fluorine-containing products
02/22/1995EP0639401A1 Molecular processes and apparatus therefore
02/22/1995EP0639170A1 Improved process for methyl alcohol
02/22/1995EP0639169A1 Process for producing hexafluorochlorobutenes.
02/22/1995CN1099023A Synthesis of perfluoroalkyl iodides
02/22/1995CN1099022A Purification of pentafluoroethane
02/16/1995WO1995004796A1 Depolymerization process
02/16/1995WO1995004790A1 2-fluorocyclohexene derivatives
02/16/1995WO1995004727A1 Process for the preparation of fluoroathenylthio heterocyclic derivatives
02/15/1995EP0638535A1 Process for preparing pentafluorethane
02/15/1995EP0460138B1 Method for producing chloroform
02/15/1995EP0453502B1 Process for the chlorination of ethane
02/15/1995CN1098718A Heterocyclic compounds
02/15/1995CN1098710A Purification process of pentafluoroethane
02/14/1995US5389292 Difluoromethyl compounds
02/14/1995US5389126 Circulating liquid around loop formed by tank and gas stripper, passing gas stream to membrane separation step
02/09/1995WO1995004109A1 Aqueous dispersions containing cyclopolymer dispersants
02/09/1995WO1995004026A1 Cyclopolymerisation monomers and polymers
02/09/1995WO1995004022A1 Process for the preparation of 1,1,1,3,3-pentafluoropropane
02/09/1995WO1995004021A1 Process for the preparation of hydrofluorocarbons having 3 to 7 carbon atoms
02/09/1995WO1995004020A1 Process for the preparation of perfluoroalkyl iodide
02/09/1995DE4427266A1 2-Fluorocyclohexene derivatives
02/09/1995CA2167375A1 Cyclopolymerisation monomers and polymers
02/08/1995EP0637580A1 Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof
02/08/1995EP0637579A1 Process for the preparation of 1-chloro-1 fluoroethane and/or 1,1-difluoroethane
02/08/1995EP0637295A1 Production of bis(fluoromethyl)ether and difluoromethane
02/08/1995EP0552253B1 Acetone removal process
02/08/1995CN1098332A Fluorination catalyst and fluorination process
02/07/1995US5387729 Palladium and salt of alkali(earth) metal on catalyst support
02/07/1995US5387728 Dimerization of hexafluoropropene in solvent in the presence of a metal fluoride-amine adduct as catalyst
02/07/1995US5387727 Reacting with organic alkali metal compound at specified stoichiometry and temperature
02/07/1995US5387726 Selective catalytic hydrogenation of aromatic aldehydes
02/07/1995US5387725 Chlorinating compounds having acidic protons with a perchloro-alkane and aqueous base in the presence of a tetraalkyl-ammonium hydroxide phase transfer catalyst
02/05/1995CA2128752A1 Process for the preparation of 1-chloro-fluoroethane and/or of 1,1-difluorethane
02/03/1995CA2128991A1 Benzoylacetylene derivatives
02/02/1995WO1995003264A1 Chlorination process
02/02/1995DE4425476A1 1-Halo-cis-3-tetradecenes and their use for the preparation of cis-olefin compounds
02/02/1995DE4325484A1 Process for the separation of mixtures of m- and p-dichlorobenzene
02/01/1995EP0636110A1 Process for decreasing chlorine content of polychlorinated hydrocarbons
02/01/1995CN1027535C Chemical process for 1,1,1,2-tetrafluoroethane
01/1995
01/31/1995US5386069 Reacting difluorobenzene with molecular iodine in presence of fuming sulfuric acid
01/31/1995US5386068 Stabilization of 1,1-dichloro-1-fluoroethane
01/31/1995US5386067 Treating a mixture in the liquid phase with zeolite
01/31/1995US5386064 Contacting formaldehyde with hydrogen fluoride in the presence of a water-immiscible solvent for the product
01/31/1995US5386055 Depolymerization process
01/31/1995US5385721 X-ray radiology and computer tomography; uniform coating of the soft tissues; medical diagnosis
01/26/1995DE4324902A1 Process for working up residues from the production of chi -hexachlorocyclohexane
01/25/1995EP0635469A1 2,4,5-Trihalogeno-stilbenes, process for their preparation and their use
01/25/1995EP0635468A1 Method of obtaining alpha-substituted omega-hydroperfluoroalkanes
01/25/1995EP0635467A1 Method for the isomerization of cis-alkenyl compounds
01/25/1995EP0635466A1 Decarboxylation process
01/25/1995CN1027502C Process for drying hydrocarbons
01/24/1995US5384415 Bromination with cleavage of carbon oxygen bond
01/24/1995CA2128658A1 2,4,5-trihalostilbenes and a process for the preparation thereof
01/19/1995DE4323264A1 Process for the preparation of 2-H-heptafluoropropane
01/18/1995EP0634384A1 Preparation of 2-H-heptafluoropropane
01/18/1995EP0634383A1 Process for the addition of HF to halogenated alkenes
01/17/1995US5382727 Free radical chlorination of 1,1-dichloroethane
01/17/1995US5382726 Catalyst and process for oxychlorination of ethylene to EDC
01/17/1995US5382725 Complexing 1,4-isomer with polyoxyethylene glycol
01/17/1995US5382724 Low temperature solvent extraction using hydrofluoric acid
01/17/1995US5382723 Synthesis of hydrogen perfluoroalkanes
01/17/1995US5382722 Chemical process for the manufacture of 1,1,1,2-tetrafluoroethane
01/17/1995US5382721 Process for the preparation of 1,1,1,2-tetrafluoroethane
01/17/1995US5382720 Preparation of dimer of fluorine-containing ethane
01/17/1995US5382380 P-terphenyl derivatives and liquid crystalline compositions
01/17/1995US5382379 Cyclohexane derivative
01/12/1995DE4321762A1 Process for cleaving C1 compounds containing fluorine and another halogen in the gas phase
01/11/1995EP0633237A1 Process for producing 1,1,1,2,2,4,4,5,5,5-decafluoropentane
01/11/1995EP0633062A1 Fluorous multiphase catalyst or reagent systems, and processes using them
01/11/1995EP0632748A1 Catalyst for promoting halogen exchange
01/11/1995CN1097190A Reduction method for fluorohaloparaffin
01/11/1995CN1097189A Improved preparation method for 1,1,1-trifluoro-2,2,2-trichloroethane
01/11/1995CN1097188A Improved preparation method for 1, 1.1-trifluoro-2-chloroethane
01/10/1995US5380461 Trans-dihalogenostilbene compounds and liquid crystal electro-optical devices using them
01/10/1995US5380449 Stabilized dichlorotrifluoroethane refrigeration compositions
01/09/1995CA2126778A1 Fluorous multiphase systems
01/05/1995DE4420670A1 Process for the preparation of (11C)methyl iodide
01/04/1995EP0632001A1 Method for producing a hydrofluorocarbon
01/04/1995EP0632000A1 PROCESS FOR PRODUCING gem-DIFLUOROALKANES
01/04/1995EP0631568A1 Removal of catalyst from chloroprene by treatment with oxy acid.
01/03/1995US5378728 Benzoic acid derivatives as antidiabetic agents
01/03/1995CA1333812C Perfluoroalkenes and fluorination products thereof
12/1994
12/28/1994EP0630877A1 Workup of Wittig reaction products
12/28/1994EP0630362A1 Purification of hexafluoroethane products.
12/28/1994EP0630361A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
12/28/1994EP0532540B1 Method for preparing 1,1-dichloro-1-fluoroethane
12/22/1994WO1994029498A1 Process for producing 1,4-dihydroperfluorobutane
12/22/1994WO1994029255A1 Aromatic acetylcholinesterase inhibitors
12/22/1994WO1994029252A1 Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 2,2,3-trichloro-1,1,1,3,3-pentafluoropropane, and process for producing 2,2,3-trichloro-1,1,1-trifluoropropane
12/22/1994WO1994029251A1 Process for producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene
12/22/1994WO1994029250A1 Safe handling of tetrafluoroethylene
12/22/1994WO1994029249A1 Isomerization process
12/22/1994WO1994029243A1 Synthesis of substituted triphenylenes, useful as discotic liquid crystals
12/22/1994WO1994028896A1 Imidazole 5-position substituted angiotensin ii antagonists
12/22/1994CA2164583A1 Imidazole 5-position substituted angiotensin ii antagonists
12/21/1994EP0629440A1 Fluorination catalyst and fluorination process