| Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308) |
|---|
| 05/20/2003 | US6566571 Method of producing biaryls |
| 05/20/2003 | US6566546 Reacting of phenylboronic acids with 4- bromo- or 4-iodo-alkyl- or -alkoxy-anilines or -anilides, possible deacylation and diazotization, followed by reaction with a nucleophile by sandmeyer reaction or a reducing agent |
| 05/15/2003 | WO2003040255A1 Blue light-emitting polymer containing 9,10-diphenylanthracene moiety and electroluminescent device using the same |
| 05/15/2003 | US20030092929 Using halogenated xylene compound; chemical intermediate for quinolone antibiotics |
| 05/15/2003 | US20030091859 Luminescent material for organic and polymer-based electro-luminescence element and other optical elements |
| 05/15/2003 | US20030091756 Fluorinated cyclopenta[b]naphthalenes and their use in liquid-crystal mixtures |
| 05/14/2003 | EP1310540A1 Polymer electroluminescent device |
| 05/14/2003 | EP1310474A1 Fluorinated biphenyl compounds and their use in liquid crystal compositions |
| 05/08/2003 | US20030088035 Low molecular weight hydrogenated nitrile rubber |
| 05/08/2003 | US20030087126 Hydrocarbon compound, material for organic electroluminescent element and organic electroluminescent element |
| 05/07/2003 | CN1415589A Compound of liquid crystal containing fluorine and its application |
| 05/06/2003 | US6559277 Poly(9,9′-spirobisfluorenes), their production and their use |
| 05/01/2003 | WO2003035483A2 Method for producing fluorine-containing anilines |
| 04/29/2003 | US6555185 Anisotropy; compatability |
| 04/24/2003 | US20030078459 Method for producing 2,3,4,5-tetrachlorobenzotrifluoride |
| 04/23/2003 | EP1303544A2 Method of reducing formation of precipitates in solvent recovery system |
| 04/23/2003 | CN1413177A Process for preparing fluorine-containing compounds |
| 04/22/2003 | US6551758 For use in microfabrication of integrated circuits |
| 04/22/2003 | US6551666 Electrooptical display element |
| 04/17/2003 | US20030072894 For use in liquid-crystal displays; having high absolute values of dielectric anisotropy combined with a favorable viscosity/ clearing point ratios |
| 04/16/2003 | CN1105701C Method for preparing substituted benzyl bromides |
| 04/15/2003 | US6548448 Novel cyclopropenes inhibit an ethylene response in a plant, thus prolonging plant life; enclosing plants in a water impermeable container containing the cyclopropene |
| 04/09/2003 | EP1299343A1 Production method for benzenedimethanol compound |
| 04/09/2003 | CN1105163C Liguid crystal compounds and device containing liquid crystal material |
| 04/03/2003 | WO2003028125A2 Substituted pentacene semiconductors |
| 04/03/2003 | WO2003027050A2 Process for preparing pentacene derivatives |
| 04/03/2003 | US20030065226 Bromination of fluorene or fluorenone in aqueous solution |
| 04/02/2003 | EP1298117A2 Method for preparing bromofluorenes |
| 04/02/2003 | EP0759058B1 Supertwist liquid crystal display |
| 04/01/2003 | US6541675 2,4-dichlodro-5-fluoro-1,3-dimethylybenzene |
| 03/27/2003 | WO2003024903A1 Liquid crystal compounds with branched or cyclic end groups |
| 03/26/2003 | EP1294823A1 Double-spiro organic compounds and electroluminescent devices |
| 03/26/2003 | EP1294663A1 Fluorinated benzene manufacturing process |
| 03/26/2003 | EP1294662A1 Processes for fluorinating aromatic ring compounds |
| 03/25/2003 | US6538158 Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaphthalene |
| 03/19/2003 | EP1054853B1 Catalyst recovery for halogen exchange reactions |
| 03/19/2003 | EP1027314A4 Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst ligands |
| 03/18/2003 | US6534616 Precursors for making low dielectric constant materials with improved thermal stability |
| 03/12/2003 | EP0850492B1 Photo-voltaic cell with a spiro-compound |
| 03/05/2003 | EP1288184A1 Bis(diphenylvinyl)arene compound |
| 03/05/2003 | CN1400964A Method of making 3,5 difluoroaniline from 1,3,5 trichlorobenzene |
| 03/04/2003 | US6528692 Process for producing bromo-aromatic condensed ring compound |
| 02/20/2003 | US20030036667 Heating aromatic compound substituted with halogen that is exchangeable for fluorine with fluoride and compound such as Diethylaminobis(tetramethylguanidino)sulfonium bromide to produce fluorinated aromatics |
| 02/19/2003 | CN1398249A Perfluoroisopropylbenzene derivatives |
| 02/11/2003 | US6518468 Novel process which comprises feeding a mixture formed from diphenylethane and bromine to a stirrable reaction mass comprised of bromine and a bromination catalyst to yield a decabromodiphenylethane wet cake which can be most |
| 02/06/2003 | WO2003010120A1 Indane compounds with negative dielectric anisotropy |
| 02/05/2003 | EP1280756A2 Synthesis of 2-halobenzyl alkanoic acid |
| 02/05/2003 | CN1394835A Perylene derivative synthesis method, perylene derivative and organic EL element |
| 02/04/2003 | US6515191 Synthesis of vicinal difluoro aromatics and intermediates thereof |
| 02/04/2003 | US6515183 Chiral diphenyldiphosphines and d-8 metal complexes thereof |
| 02/04/2003 | US6515163 For use in nematic or cholesteric liquid-crystal mixtures which have positive dielectric anisotropy values; broad operating temperature range and low threshold voltage (for use in automobiles, portable devices-telephones, computers) |
| 02/04/2003 | US6514632 Electroluminescent films and coatings for light emitting diodes; efficiency |
| 01/28/2003 | US6512083 Film prepared from the polymers of this invention. this invention is a light-emitting diode comprised of one or more layers of polymer films, at least one of which is derived from the oligomers and polymers of the invention. |
| 01/23/2003 | WO2003006151A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/23/2003 | CA2453113A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/22/2003 | EP1277755A1 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT WITH AXIAL ASYMMETRY, PROCESS FOR PRODUCING THE SAME, AND APPLICATION TO ASYMMETRIC SYNTHESIS OF $g(a)-AMINO ACID DERIVATIVE |
| 01/09/2003 | WO2003002495A1 Novel treatment of adrenocortical hypersecretion and tumour growth |
| 01/09/2003 | WO2003002157A1 Solid-phase nucleophilic fluorination |
| 01/09/2003 | US20030009060 As starting materials for the production of liquid crystals, polymers and flame retardants |
| 01/08/2003 | EP1273562A1 Naphthalene derivative and liquid crystal composition comprising the same |
| 01/08/2003 | EP1272447A1 Method for producing 2,3,4,5-tetrachlorobenzotrifluoride |
| 01/07/2003 | US6504070 Using catalyst comprising iridium compound and ligand to selectively position alkyl chain on aromatic ring |
| 01/07/2003 | US6503463 Applying electromagnetic wave via generator to waste chemicals; selectively heating, decomposing and purging |
| 12/31/2002 | US6500503 Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices |
| 12/26/2002 | US20020198417 Synthesis of vicinal difluoro aromatics and intermediates thereof |
| 12/26/2002 | US20020198408 Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminonaphthalene |
| 12/26/2002 | US20020198107 Delivery systems for cyclopropenes |
| 12/26/2002 | US20020195585 Liquid crystalline materials containing perfluoroalkyl and alkenyl tail groups |
| 12/19/2002 | WO2002100941A1 Low molecular weight hydrogenated nitrile rubber |
| 12/19/2002 | DE10129057A1 Verbessertes Verfahren zur Herstellung kernfluorierter Aromaten Improved process for preparing aromatic kernfluorierter |
| 12/18/2002 | EP1266904A1 Improved process for preparing fluorinated aromatic compounds |
| 12/18/2002 | CN1096449C Process for producing substituted aryl pyrazoles |
| 12/18/2002 | CN1096442C Process for preparation of pesticidal fluoroolefin compounds and intermediate compounds |
| 12/17/2002 | US6495728 Aralkylation of a fluorobromoolefin with an aralkylzinc bromide or bis(aralkyl)zinc in presence of a palladium catalyst; preparation of the olefin from an aldehyde and cbr3f, a phosphine or phosphoramide and zinc |
| 12/17/2002 | US6495220 Disubstituted phenanthrenes and their use in liquid-crystal mixtures |
| 12/12/2002 | DE10225048A1 New stable, liquid crystalline fluorinated phenanthrene or 9,10-dihydrophenathrene derivatives having a high clear point, useful in liquid crystalline media for electrooptical displays |
| 12/12/2002 | CA2350280A1 Low molecular weight hydrogenated nitrile rubber |
| 12/10/2002 | US6492569 Reacting tetrafluorobenzene with chlorine or bromine in the presence of lewis acid catalysts to form 1-bromo/(chloro-) 2,3,4,5-tetrafluorobenzene, used as chemical intermediates for polymerization catalysts; by-product inhibition |
| 12/10/2002 | US6490887 Decomposing action of cao and far-infrared rays emitted by quartz porphyry act on pcb oil, and the pcb oil is chemically converted to produce a powder containing a metal salt |
| 12/05/2002 | DE10126432A1 Fluor enthaltende Bisphenole, deren Herstellung, deren Vor- und Zwischenprodukte sowie die Verwendung der Fluor enthaltenden Bisphenole Fluorine-containing bisphenols, bisphenols their preparation, their materials and intermediates, and the use of fluorine-containing |
| 12/04/2002 | EP1262471A2 Fluorine-containing bisphenols, their preparation, intermediates towards their preparation, and their use |
| 12/04/2002 | EP1262469A1 Polyacene derivatives and production thereof |
| 12/04/2002 | EP0958052B1 Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
| 11/27/2002 | EP0934236B1 Process for the preparation of substituted aromatic compounds |
| 11/27/2002 | EP0825982B1 Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides |
| 11/27/2002 | EP0783303B1 Use of aromatic halides for treating mammalian cell proliferation |
| 11/27/2002 | EP0585267B1 Herpesvirus particle preparation and vaccine |
| 11/26/2002 | US6485797 5-Arylindane derivatives and ferroelectric liquid crystal mixture containing same |
| 11/21/2002 | WO2002092608A2 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same |
| 11/21/2002 | WO2002092226A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof |
| 11/21/2002 | CA2445459A1 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same |
| 11/21/2002 | CA2442782A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof |
| 11/19/2002 | US6482478 Fluorinated derivatives of phenanthrene and the utilization thereof in liquid crystal mixtures |
| 11/14/2002 | US20020166994 Substituted benzene derivative, liquid crystal composition, and liquid crystal display element |
| 11/14/2002 | DE10122234A1 Verfahren zur Herstellung von 1,4-Diaminonaphthalin und/oder 1,5-Diaminonaphthalin A process for preparing 1,4-diaminonaphthalene and / or 1,5-diaminonaphthalene |
| 11/13/2002 | EP1256567A1 Process for the preparation of 1,4-diaminonaphthalene and/or 1,5-diaminonaphthalene |
| 11/13/2002 | EP1255798A2 Polar diphenyldiacetylene liquid crystals |
| 11/07/2002 | WO2002088274A1 Double-spiro organic compounds and electroluminescent devices |
| 11/06/2002 | EP1254103A1 Method of making 3,5-difluoroaniline from 1,3,5-trichlorobenzene |
| 11/06/2002 | CN1093870C Supertwist liquid crystal display |