Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
08/1990
08/03/1990CA2009189A1 Manufacture of 1,1,1,2-tetrafluoroethane
08/03/1990CA2009188A1 Hydrogenolysis/dehydrohalogenation process
08/02/1990DE3901358A1 Verfahren und vorrichtung zur entfernung toxischer mittel aus trichlortrifluorethan Method and device for removal of toxic medium of trichlorotrifluoroethane
08/02/1990CA2009064A1 Purification of saturated halocarbons
08/01/1990EP0380392A2 Derivatives of benzocycloalkenyl dihydroxyalkanoic acids, methods of making them and phrmaceuticals containing them
08/01/1990EP0380052A1 Process for preparing alkyl halogenides
08/01/1990EP0379793A1 Process for the preparation of 1,1,1,2-tetrafluorethane
08/01/1990EP0379754A1 Manufacture of chloroform
08/01/1990EP0379512A1 Oxyiodination incorporating an iodine generator for the conversion of methyl iodide to iodine.
08/01/1990EP0257049B1 Chiral compounds
07/1990
07/31/1990US4944846 Process for the separation of HF via Azeotropic distillation
07/30/1990CA2007907A1 Carbon molecular sieves for purification of chlorofluorocarbons
07/26/1990WO1990008118A1 Production of dichlorobenzene with high para to ortho ratios
07/26/1990WO1990008117A1 Process for the chlorination of methane
07/26/1990WO1990008116A1 Process for the chlorination of ethane
07/25/1990EP0379396A1 Process for the selective hydrogenolysis of perhalogen derivatives of ethane
07/25/1990EP0379070A1 Process for preparing chlorotrifluoroethylene telomers and telomers obtained thereby
07/25/1990EP0378942A1 Process for the preparation of 1,1-dichloro-1-fluoroethane
07/25/1990CN1044088A Isomerization of saturated fluorohydrocarbons
07/25/1990CN1044087A Dehydration process of refrigerant r-12
07/24/1990US4943671 Reductive dehalogenation of organic halogen compounds
07/24/1990US4943384 Cyclohexane derivatives
07/19/1990CA2007874A1 Perhalogenated ethane derivatives selectives hydrogenolysis
07/18/1990CN1043929A Process for dehydrohalogenating aromatic halides
07/18/1990CN1043928A Process and catalyst of oxychloration, application for preparing 1,2-dichloroethane
07/17/1990US4942268 Halogenation an aromatic compound in the presence of a zeolite catalyst
07/17/1990US4942267 Alcohol, amine, and olefin blend
07/17/1990US4942246 Process for producing 4-benzoyl-5-hydroxypyrazoles
07/12/1990WO1990007482A1 Aluminum fluoride catalyst compositions and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
07/12/1990WO1990007481A1 Processes using aluminum fluoride catalyst compositions for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
07/12/1990WO1990007479A1 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups
07/12/1990CA2007484A1 Process for preparing chlorotrifluoroethylene telomers and new telomers obtained
07/11/1990EP0377469A1 A liquid crystalline compound
07/11/1990EP0377364A1 Process and catalyst for oxychlorination, and their use in the preparation of 1,2-dichloroethane
07/11/1990CA2005485A1 Production of dichlorobenzene with high para to ortho ratios
07/10/1990US4940825 Process for removing dichloroacetylene from 1,1-dichloro-1-fluoroethane and/or vinylidene chloride
07/10/1990US4940824 Process for removing vinylidene chloride from 1,1-dichloro-1-fluoroethane
07/04/1990EP0376856A1 Preparation of biaryl compounds
07/04/1990EP0376686A1 Isomerization of saturated fluorohydrocarbons
07/04/1990EP0375920A1 Method for the production of (substituted) alkyl or alkenyl chlorides
07/04/1990EP0290861B1 Process for the reductive dehalogenation of organic halogenated compounds
07/03/1990US4938792 Azole derivatives and agricultural and horticultural chemical composition containing the same
06/1990
06/28/1990CA2006212A1 Isomerization of saturated fluorohydrocarbons
06/27/1990EP0375452A2 Cycloalkane derivatives
06/27/1990EP0375202A1 Oxychlorination catalyst composition and an oxychlorination process using it
06/27/1990EP0248074B1 Process for the co-production of aromatic carboxylates and alkyl iodides
06/27/1990CA2006064A1 Process for dehydrohalogenating aromatic halides
06/27/1990CA2005225A1 Process for the preparation of fluorinated alkanes from alkenes
06/27/1990CA2004831A1 Process for the preparation of 1,1-dichloro-1-fluoroethane
06/26/1990US4937398 By the use of carbon having fluorine adsorbed
06/26/1990US4937397 Preparation of halofluorobenzenes
06/26/1990US4937396 Preparation of 3,4-difluorobenzotrifluoride
06/26/1990US4937395 Process for the preparation of fluorobenzenes
06/26/1990EP0297126A4 Phase transfer catalysis.
06/23/1990CA2006096A1 Cycloalkane derivatives
06/21/1990DE3842389A1 Process for separating halogenated hydrocarbons from a mixture
06/20/1990EP0373488A2 Organic derivatives of rhenium oxides, their preparation and their use in the metathesis of olefins
06/20/1990CN1043118A Purification of saturated halocarbons
06/19/1990US4935565 Contacting hydrogen chloride in vapor phase in the presence halogenation catalyst supported on non-alumina porous carrier; by-product inhibition
06/19/1990US4935564 Process for preparing alkyl halides
06/19/1990US4935563 Contacting with a tertiary amine, extraction
06/19/1990US4935562 Method for producing 4,4'-dibromobiphenyl
06/19/1990US4935561 Process for isomerizing monochlorotoluenes or dichlorotoluenes
06/19/1990US4935559 Olefination of iodoaromatic compounds
06/19/1990US4935558 Reductive dechlorination of 1,1,1,2-tetrafluoro-2-chloroethane
06/14/1990WO1990006295A1 Preparation of biaryl compounds
06/13/1990EP0372621A1 Preparation of difluorobenzenes containing electron withdrawing substituents
06/13/1990EP0372262A1 Method for the destillative processing of mixtures containing side chain chlorinated alkylaromatics
06/13/1990DE3940196A1 Organo-rhenium oxide cpds. - useful on oxide support materials, as catalysts for metathesis of olefin(s), esp. functional olefin(s)
06/13/1990DE3841220A1 Process for preparing carbon tetrafluoride
06/13/1990CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
06/12/1990US4932984 Contacting vent stream with liquid spray of chlorinated solvent to condense stream
06/07/1990CA2004629A1 Chemical process
06/06/1990EP0371859A1 Cleaning method for tubes
06/06/1990EP0371747A1 Production of tetrafluoroethylene
06/06/1990EP0371563A1 Preparation of halofluorobenzenes
06/05/1990US4931589 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
06/05/1990US4931482 Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating gas for the production of foam plastics
06/05/1990US4931469 Novel pesticides, preparation and use
06/01/1990CA2004307A1 Tube cleaning process
05/1990
05/31/1990CA2002598A1 Preparation of biaryl compounds
05/30/1990EP0370688A1 Purification of saturated halocarbons
05/29/1990US4929786 Preparation of 1-aryl-1-alkenes
05/29/1990US4929784 Process for the preparation of optionally substituted benzyl-benzenes
05/29/1990US4929318 Process for preparing halogenated alkane
05/28/1990CA2003918A1 Preparation of halofluorobenzenes
05/23/1990EP0369728A1 Haloalkylation of aromatic compounds
05/23/1990EP0369439A2 Use of monolithic honeycomb catalyst carriers in chlorination and oxychlorination reactions
05/23/1990EP0226119B1 Halogen-tetrafluoropropionic acid, process for its preparation and its use
05/23/1990CN1042344A Improved process for preparation of 1,1,1,2-tetrafluoroethane
05/23/1990CN1008086B Continuous process for cracking 1,2-dichloroethane
05/23/1990CN1008085B Equipment for preparation of paraffin chloride by forced circulating blast method
05/22/1990US4927981 Chlorination of methyl and methylene chlorides
05/22/1990US4927980 Reacting chloroaromatic compound with alkali metal fluoride salts
05/22/1990CA2003039A1 Purification of saturated halocarbons
05/16/1990EP0368063A1 Process for the chlorination in the nucleus of aromatic hydrocarbons
05/16/1990EP0192767B1 Derivatives of diphenylhexafluoropropane
05/15/1990US4925998 Recovering halide, group 8 metal catalyst
05/15/1990US4925994 Process for the ring chlorination of aromatic hydrocarbons
05/15/1990US4925993 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trichloride catalyst and products resulting therefrom