Patents
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Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
01/1991
01/17/1991DE3922135A1 Per-chloro-ethylene stabilisation - using cyclo-pentene oxide contg. stabiliser
01/16/1991EP0408005A1 Process for preparing 1,1,1,2-tetrafluoroethane
01/16/1991EP0408004A1 Process for preparing 1,2-dichloro-1,1,2-trifluoroethane
01/16/1991EP0407990A1 Method for the production of 1,1,1-trifluoro-2,2-dichloroethane under high pressure
01/16/1991EP0407989A1 Method for the production of 1,1,1-trifluoro-2,2-dichloroethane by photochlorination
01/16/1991EP0407961A1 Method for the production of 1,1,1-trifluoro-2-chloroethane
01/16/1991EP0407711A1 Catalytic process for the dehydrohalogenation of 1-chloro-1,1-difluoroethane
01/16/1991EP0407689A1 Process for production of 1,1-dichloro-1-fluoroethane and 1-chloro-1-1-difluoroethane
01/16/1991EP0407622A1 Process for producing a 2,2-difluoropropane.
01/16/1991EP0407619A1 Process for producing a chlorine-containing 2,2-difluoropropane
01/15/1991US4985583 Liquid Crystals
01/15/1991US4985214 Chlorinating reactor
01/15/1991CA1279069C Perfluoro-1,1-di(orthoxylyl) alkyl compounds
01/13/1991CA2020852A1 Process for preparing 1,2-dichloro-1,1,2-trifluoroethane
01/13/1991CA2012100A1 Process for production of 1,1-dichloro-1-fluoroethane and/or 1-chloro-1,1-difluoroethane
01/09/1991EP0406769A1 Process for the preparation of 2-chloro- , resp. 2-bromonaphthalene
01/09/1991EP0406748A2 Dehydrofluorination and dehydrogenation of fluorinated alkanes
01/09/1991EP0406266A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
01/08/1991US4983781 Process for the preparation of 4,4'-dibromobiphenyl in a solvent medium and with a catalyst
01/08/1991US4983780 Solvents, coolants, telomerization, lasers
01/06/1991CA2020364A1 Process for the preparation of 2-chloro- or 2-bromonaphthalene
01/02/1991CA1278639C Vinyl chloride monomer stripping process
01/02/1991CA1278638C Process for continuously removing monomers from an aqueous dispersion of a polymer
01/02/1991CA1278580C Perfluoroalkanes and haloperfluoroalkanes, their precursors and process for their synthesis
01/02/1991CA1278579C Process for the preparation of (2,2)- paracyclophane and derivatives thereof
01/02/1991CA1278576C2 2-chloro-4,5'-bis(trifluoromethyl)pyridine
01/01/1991US4981868 Enzyme inhibitors, hypotensives
12/1990
12/28/1990CA2016691A1 Gas phase catalytic disproportionation of 1-chloro-1,1-difluoroethane
12/27/1990EP0404643A1 Method for removing mercaptans
12/27/1990EP0404297A1 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst
12/26/1990CN1048029A Method and equipment for continuous prodn. of halogeno-benzene
12/26/1990CN1047983A Improved cr2o3 catalyst composition
12/22/1990CA2019488A1 Method for removing mercaptans
12/19/1990EP0403331A1 Process for the separation of two isomers and, its use in the purification of 1-phenyl-2-bromoethane
12/19/1990EP0403108A1 Improved Cr203 catalyst composition
12/19/1990EP0402892A2 Process for producing allyl bromides
12/19/1990EP0402874A2 Process for preparing 1,1,1-trifluoro-2,2-dichloroethane
12/19/1990EP0402652A1 Gas phase catalytic process for production of vinylidene fluoride
12/19/1990EP0402626A2 Process for continuous liquid phase reaction of hydrogen fluoride and 1,1,1,-trichloroethane to provide 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane mixtures
12/18/1990US4978769 Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange
12/18/1990US4978435 Free chlorine removal process
12/18/1990CA1277996C Fluorinated polycyclic compounds
12/18/1990CA1277827C Removal of polyhalogenated biphenyls from organic liquids
12/14/1990CA2012792A1 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom
12/13/1990WO1990015113A1 Fluoro-chloro-benzene derivatives
12/13/1990WO1990015082A1 Process for preparing a polymer having perfluorocyclobutane rings and polymers containing perfluorocyclobutane rings
12/13/1990CA2031185A1 Process for preparing a polymer having perfluorocyclobutane rings and polymers containing perfluorocyclobutane rings
12/13/1990CA2018957A1 Process for preparing 1,1,1-trifluoro-2,2-dichloroethane
12/13/1990CA2017868A1 Cr o catalyst composition
12/13/1990CA2016686A1 Gas phase catalytic process for production of vinylidene fluoride
12/13/1990CA2016223A1 Process for continuous liquid phase reaction of 1,1,1-trichloroethane to provide 1,1-dichloro-1- fluoroethane and 1-chloro-1,1-difluoroethane mixtures
12/12/1990EP0401924A2 New Process for disposing of the residues deriving from the processes of synthesis of chlorinated hydrocarbons
12/12/1990EP0401493A2 Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluoroethane
12/05/1990EP0400736A1 Process for the purification of vinyl chloride
12/05/1990EP0400735A1 Process for the purification of vinyl chloride
12/05/1990CN1047491A Process of preparing 1,1-dichloro-1-fluoroethane
12/05/1990CN1047490A Process for synthesising 1.1.2-tetrachloroethane from hydrochloration of trichloroethylene
12/04/1990US4975156 Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof
12/01/1990WO1990015115A1 Fluorinated biphenyl derivatives
12/01/1990CA2033204A1 Fluorinated biphenyl derivatives
11/1990
11/29/1990WO1990014324A1 Process for producing 1-chloroalkanes or 1-chloroalkenes
11/29/1990DE3917190A1 Verfahren zur herstellung von 1-chloralkanen bzw. -alkenen Process for the preparation of 1-chloro alkanes or -alkenes
11/28/1990EP0399867A1 Process for the preparation of 1,1,1,2-tetrachloroethane by hydrochlorination of trichloroethylene
11/28/1990EP0399705A1 Process for preparing 1,1-dichloro-1-fluoroethane
11/28/1990EP0399284A2 Method for the production of geminal diarylalkanes, geminal diarylalkanes and alk(en)ylated aromatic compounds
11/28/1990CN1047285A Phenyl pyrimidinone derivatives and preparation thereof
11/27/1990US4973774 Separation of isomers, conversion to the ether, distillation
11/27/1990US4973773 Production of tetrafluoroethylene
11/27/1990US4973762 Endcapping a polyfluoropolyether with iodide
11/27/1990CA1276945C Process for the isomerization of dichlorotoluene
11/27/1990CA1276944C Method for preparation of polybromoacenaphthene and/or its condensate
11/26/1990CA2016845A1 Process for synthesizing 1,1,1,2-tetrachloroethane by hydrochlorination of trichloroethylene
11/25/1990CA2017345A1 Process for preparing 1-1-dichloro-1-fluoroethane
11/22/1990EP0398774A1 Process for the preparation of brominated derivatives from alcohols
11/22/1990EP0298117B1 Process for the co-production of aromatic carboxylates and alkyl iodides
11/21/1990CN1047073A Liquid feed injection in chloromethanes process
11/20/1990US4971664 Terminal chlorination of normal alkane hydrocarbons
11/20/1990CA1276653C Selective production of para-aromatics
11/15/1990DE3930663C1 Cross-coupling metal organic cpds. and e.g. halogen cpds. - includes using transition metal-palladium catalyst and opt. metal alcoholate
11/14/1990EP0397363A1 Abstracting halogen atoms from chlorofluorocarbons with silylenes
11/14/1990EP0396974A1 Process for preparing fluoroalkyl vinyl compound
11/13/1990US4970330 Insecticides, pesticides
11/13/1990CA1276182C2 Phenyl pyridones and thiopyridones
11/07/1990EP0396250A1 Pyrimidinone derivatives
11/07/1990EP0396168A1 Reaction of substrate compounds with fluorine in an eductor
11/07/1990EP0395898A1 Process for the separation of hydrogen fluoride, 1-1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof
11/07/1990EP0395793A1 Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane
11/07/1990CN1046737A Process for synthesizing 1-orthobutyl (or benzyl) nitrogen heterocyclo heptane-2-ketone
11/06/1990US4968852 Phosphine-rhodium complex decarbonylation catalyst
11/06/1990US4968851 Against arthropods and nematodes
11/06/1990US4968850 Catalytic fluorination of unsaturated chlorinated hydrocarbon; organophosphorus compound to inhibit oligomerization
11/06/1990US4968830 Halogenative dehydrogenation
11/04/1990CA2013822A1 Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethand from liquid mixtures thereof
11/04/1990CA2000136A1 Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane
11/02/1990CA2015791A1 Process for the preparation of brominated derivatives, especially from alcohols
11/01/1990WO1990012774A1 Liquid feed injection in a chloromethanes process
10/1990
10/31/1990EP0395199A1 Substituted tetrahydroindane derivatives and their use as intermediates
10/31/1990EP0394644A2 Halobenzene derivatives
10/31/1990EP0394524A1 Removal and recycling of catalysts in chlorinated process streams
10/30/1990US4967026 Process for the production of chloromethyl phenethyl bromide
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