| Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308) |
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| 04/13/2000 | WO2000020364A1 Novel bromine-containing 1,2-bis(phenyl)difluoromethanes and method of imparting flame retardancy to flammable materials |
| 04/13/2000 | WO2000020363A1 Novel bromine-containing 1,2-bis(phenyl) tetrafluoro ethanes and method of imparting flame retardancy to flammable materials |
| 04/11/2000 | CA2082617C Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method |
| 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 | EP0738312B1 Liquid crystal compounds, mixtures and devices |
| 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 |
| 03/29/2000 | EP0989107A1 Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element |
| 03/29/2000 | EP0988337A1 Fluorene-containing polymers and electroluminescent devices therefrom |
| 03/29/2000 | EP0988266A1 Continuous method for reducing carbonyl compounds |
| 03/22/2000 | EP0987238A1 Liquid-crystalline compounds having bicyclo 1.1.1]pentane structure, liquid-crystal composition, and liquid-crystal display element |
| 03/22/2000 | EP0987235A1 Method for the conversion of arenes or alkenes with iodoalkenes, aryl iodides or arenediazonium salts |
| 03/14/2000 | US6037509 Process for producing 1-bromo-4-phenylbutane |
| 03/09/2000 | WO2000012449A1 Copper-catalyzed enantioselective allylic substitution reactions |
| 03/09/2000 | DE19840447A1 Ferroelectric liquid crystal mixtures containing 5-arylindane derivatives |
| 03/08/2000 | CN1246469A Naphthacridine derivative and liquid crystal composite containing it |
| 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 | EP0982387A1 Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition containing said liquid crystal compound and liquid crystal display device using said composition |
| 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 |
| 02/24/2000 | WO2000009475A1 Amine derivatives |
| 02/24/2000 | CA2339634A1 Amine derivatives |
| 02/23/2000 | CN1245080A Process for decomposing halogen ester group hydrocarbon compound or aromatic compound and device thereof and process for purifying waste gas and device for this method |
| 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 | CA2057710C Heat sensitive recording materials |
| 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 | CN1049420C Process for preparing 2,2-diphenylhexalfluoropropanes |
| 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 | CN1244139A Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
| 02/02/2000 | EP0976700A1 Halogenating agent and process for halogenating hydroxyl group |
| 02/02/2000 | EP0975710A1 Polymer electroluminescent device |
| 02/02/2000 | EP0784648A4 Continuous bromination process and products thereof |
| 02/01/2000 | US6020458 Precursors for making low dielectric constant materials with improved thermal stability |
| 02/01/2000 | US6020299 Single phase cleaning fluid |
| 02/01/2000 | CA1340886C 1, 2-di (4-isobutylphenyl) hydrocarbon and its preparation and uses as intermediate |
| 01/31/2000 | CA2279764A1 (perhaloethyl)aromatic compounds and (perhaloethenyl)aromatic compounds therefrom |
| 01/26/2000 | EP0973808A1 Non-toxic initiators, resins with cross-linkable organofunctional groups containing same, and use for preparing stable and non-toxic polymers |
| 01/26/2000 | EP0973711A1 Oligomeric flame retardant additive |
| 01/25/2000 | US6017469 Supertwist liquid-crystal display |
| 01/18/2000 | US6015508 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions, and liquid crystal display elements |
| 01/18/2000 | CA2003919C Preparation of difluorobenzenes containing electron withdrawing substitutents |
| 01/12/2000 | EP0970938A1 Preparation of 1,4-bis-(difluoromethyl)benzene |
| 01/08/2000 | CA2276930A1 Preparation of 1,4-bis-(difluoromethyl)benzene |
| 01/05/2000 | EP0969071A1 Alkenyl compound having a negative delta epsilon value, liquid crystal composition and liquid crystal display device |
| 01/05/2000 | EP0968988A1 Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same |
| 01/05/2000 | EP0968739A1 Method and apparatus for decomposing halogenated aliphatic and aromatic compounds |
| 12/28/1999 | US6008407 Reacting chlorotrifluoroethylene and 1,3-butadiene to produce chlorotrifluorocyclohexenes, dehydrohalogenating the mixture of cyclohexenes with phase transfer catalyst in presence of alkali metal hydroxide without solvent |
| 12/28/1999 | US6008283 Brominated aryl groups connected by aliphatic chains of given formulas; no aromatic oxygen, is thermally stable, exhibits lack of bloom, good melt flow of oligomers, and high bromine content |
| 12/23/1999 | DE19926044A1 New 4-Alk(en)yl- and 4-alk(en)oxy-4'-alkenyl- and -alkenoxy-tolanes used as components of liquid crystal media |
| 12/21/1999 | US6005151 Reacting haloaromatic compound with olefin compound using palladium complex catalyst |
| 12/16/1999 | WO1999055718A3 Solution phase biopolymer synthesis |
| 12/15/1999 | CN1238748A Halogen exchange reactions and uses thereof |
| 12/15/1999 | CN1047377C Preparation method of 2-flour-4-bromotoluene, 2-flour-4-bromo benzyl bromide and its 2-flour-4-bromo benzyl bromide |
| 12/08/1999 | EP0790968B1 Process for the manufacture of decabromodiphenylethane |
| 12/08/1999 | CN1237952A Substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element |
| 12/07/1999 | US5998496 Photosensitive intramolecular electron transfer compounds |
| 11/30/1999 | US5993607 Process for the purification of chlorinated aromatic hydrocarbons |
| 11/24/1999 | EP0959061A1 3,3'-difluorobiphenyl derivatives, liquid crystal compositions, and liquid crystal display elements |
| 11/24/1999 | EP0959060A1 Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements |
| 11/24/1999 | EP0958052A1 Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
| 11/18/1999 | WO1999058484A1 Azeotrope-like composition containing perfluorobutyl methyl ether |
| 11/17/1999 | EP0784604B1 Process for the preparation of (e)-2-fluoromethylene-4-(4-fluorophenyl) butan-1-ol |
| 11/10/1999 | EP0954515A1 Solvents for use in fluorination reactions |
| 11/04/1999 | WO1999055718A2 Solution phase biopolymer synthesis |
| 11/04/1999 | WO1999031036A3 O-derivatives of halogenated diphenyl ether compounds |
| 10/28/1999 | WO1999054385A1 Fluorene-containing polymers and electroluminescent devices therefrom |
| 10/27/1999 | EP0952135A1 Naphthalene derivative and liquid crystal composition comprising the same |
| 10/20/1999 | EP0950651A1 Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements |
| 10/20/1999 | CN1232443A Novel p-terphenyl compounds |
| 10/19/1999 | US5969204 Diazotizing substituted monoamino benzenes, then reacting products with substituted p-divinylbiphenyls |
| 10/19/1999 | US5968963 PLA2 inhibitors and their use for inhibition of intestinal cholesterol absorption |
| 10/19/1999 | US5968410 Liquid crystal displays |
| 10/14/1999 | WO1999051609A1 Method for producing grignard compounds |
| 10/13/1999 | EP0949232A1 Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition |
| 10/13/1999 | EP0949231A1 Fluorine-substituted benzene derivatives, liquid-crystal composition, and liquid-crystal display element |
| 10/13/1999 | CN1231655A Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element |
| 10/12/1999 | US5965781 Purifying the catalyst for improved performance by dissolving the phosphonium halide in a liquid cyclic ether, removing the solid impurities, adding a nonsolvent to precipitate; reacting an alkali fluoride and halo(s)benzene |
| 10/12/1999 | US5964919 Method of storing active zero valent zinc metal |
| 10/07/1999 | WO1999050210A1 Vinylene and ethyl compounds |
| 10/07/1999 | WO1999050207A1 Method for preparing 2-chloro-1-cyclohexyl-4-ethynylbenzene |
| 10/07/1999 | DE19814550A1 Vinylen- und Ethylverbindungen Vinylene and ethyl compounds |
| 10/06/1999 | EP0946476A1 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures |
| 10/06/1999 | EP0946474A1 1,3-difluoronapthalene derivatives for liquid crystal mixtures |
| 10/06/1999 | EP0946473A1 Fluorinated phenantrene derivatives for liquid crystal mixtures |
| 10/05/1999 | US5962631 2, 7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers |
| 09/29/1999 | EP0945418A1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays |
| 09/29/1999 | EP0945416A1 Process for the preparation of 2,4-dichloro-3,5-dimethylfluorobenzene |
| 09/29/1999 | EP0944690A1 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures |
| 09/29/1999 | EP0944565A1 1,3,5-trifluoronaphthalene derivatives for liquid crystalline mixtures |
| 09/29/1999 | EP0944564A1 Halogen exchange reactions and uses thereof |
| 09/29/1999 | EP0871607A4 Photosensitive intramolecular electron transfer compounds |
| 09/23/1999 | WO1999047479A1 Method for chlorinating ketones |
| 09/23/1999 | WO1999047474A1 Coupling reactions with palladium catalysts |
| 09/23/1999 | DE19812095A1 Chlorination of ketones to chlorinated alkenes useful as intermediates for organic synthesis, e.g. of alkyne |
| 09/23/1999 | CA2321791A1 Coupling reactions with palladium catalysts |
| 09/22/1999 | CN1045201C Method for synthesizing and separating condensed bromoacenaphthylene |