Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308) |
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06/10/2004 | US20040110958 Novel arylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices |
06/10/2004 | US20040110027 Organic light-emitting device using paracyclophane |
06/03/2004 | US20040106798 negative anisotropy of the dielectric constants; liquid-crystalline media and optical and electro-optical display elements |
05/26/2004 | EP1254103B1 Method of making 3,5-difluoroaniline from 1,3,5-trichlorobenzene |
05/26/2004 | EP0880490B1 Synthesis of perfluoro aromatic boranes and borates |
05/26/2004 | CN1500104A Conjugated polymerts cotg. spirobifluorene units and fluourene units, and use thereof |
05/25/2004 | US6740685 A thermosetting resin contains an acetylenic oligomer or polymer with multi-phenyl adamantane ring, and bonded with porogen which can decompose to form pore; use as dielectric substrate in microchips, circuit boards |
05/25/2004 | US6740263 Anthracene compound and chemiluminescent composition comprising the same |
05/21/2004 | WO2004041758A1 New stilbene derivatives and their use as aryl hydrocarbon receptor ligand antagonistics |
05/19/2004 | EP1418950A1 Solid-phase nucleophilic fluorination |
05/18/2004 | US6737125 Fluorinated cyclopenta[a]naphthalenes and their use in liquid-crystal mixtures |
05/13/2004 | US20040089845 Phenylcyclohexanes and a liquid-crystalline medium |
05/13/2004 | DE10251191A1 Verfahren zur Trennung von m- und p-Dichlorbenzol enthaltenden Gemischen A process for separating m- and p-dichlorobenzene mixtures containing |
05/12/2004 | EP1418164A1 New stilbene derivatives and their use as aryl hydrocarbon receptor ligand antagonists |
05/12/2004 | EP1026143B1 Novel liquid-crystal compounds having large negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element |
05/06/2004 | US20040087816 Reacting 2,6-di-halo-substituted benzaldehydes with an alkaline medium; high selectivity and yield, and scale-up to production scale satisfies safety requirements. |
05/06/2004 | EP1415964A1 Process for the separation of mixtures containing m- and p-dichlorobenzene |
05/06/2004 | EP1294663B1 Fluorinated benzene manufacturing process |
05/06/2004 | DE10249748A1 Verfahren zur Herstellung von 1,3-Dihalogen-substituierten Benzolderivaten A process for the preparation of 1,3-dihalo-substituted benzene derivatives |
04/29/2004 | DE4430668B4 Derivate des 4,4-Difluorcyclohexans und 4,4-Difluor-1-cyclohexens und ihre Verwendung in Flüssigkristallmischungen Derivatives of 4,4-Difluorcyclohexans and 4,4-difluoro-1-cyclohexene, and their use in liquid crystal mixtures |
04/28/2004 | EP1413566A1 Process for the preparation of 1,3-dihalo substituted benzene derivatives |
04/28/2004 | EP1412311A1 Novel treatment of adrenocortical hypersecretion and tumour growth |
04/28/2004 | EP1107936B1 Copper-catalysed enantioselective allylic substitution reactions |
04/22/2004 | US20040077502 Stable ethylene inhibiting compounds and methods for their preparation |
04/21/2004 | EP1409441A1 Indane compounds with negative dielectric anisotropy |
04/21/2004 | EP1409440A1 A method to inhibit ethylene responses in plants |
04/21/2004 | EP1409125A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
04/21/2004 | EP1171406B1 Method of producing biaryls |
04/15/2004 | WO2004031124A1 Cyclic nitromethyl acetic acid derivatives |
04/15/2004 | CA2498186A1 Cyclic nitromethyl acetic acid derivatives |
04/08/2004 | WO2004029015A1 1,7,8-trifluoronaphthalene-2-naphthol, and method for producing liquid crystal compound using same |
04/08/2004 | US20040065866 Low viscosity; solubility at low temperature; low voltage display device |
04/07/2004 | EP0945418B1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays |
04/06/2004 | CA2284646C Synthesis of intermediates useful in preparing tricyclic compounds |
03/31/2004 | EP1401950A1 Low molecular weight hydrogenated nitrile rubber |
03/31/2004 | EP1401844A2 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same |
03/31/2004 | EP0770065B1 Tri-substituted phenyl derivates useful as pde iv inhibitors |
03/25/2004 | DE10242224A1 Verfahren zur Kernchlorierung von ortho-Xylol Process for the nuclear chlorination of ortho-xylene |
03/24/2004 | EP1400578A1 Electrolumisescent 9,9-bis(4-amino)-1,1'-biphenyl)fluorene derivatives |
03/23/2004 | US6710217 Chlorination of biphenyl with chlorine in presence of ring-chlorination catalyst; distillation |
03/18/2004 | WO2004022512A1 METHOD FOR PRODUCING p-DICHLOROBENZENE |
03/18/2004 | WO2003061029A3 Organic compositions |
03/18/2004 | US20040054239 Method for the nuclear chlorination of ortho-xylene |
03/18/2004 | US20040053158 Onium salts and the use therof as latent acids |
03/17/2004 | EP1398304A1 Process for the nuclear chlorination of ortho-xylene |
03/16/2004 | US6706934 Method for producing 2,3,4,5-tetrachlorobenzotrifluoride |
03/16/2004 | US6706933 Mixing a tetrafluoroaromatic derivative in an organic solvent with a reducing agent in aqueous ammonia, under an inert gas |
03/16/2004 | US6706918 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof |
03/16/2004 | US6706853 Compound for use as a mineral fibre binder and process for providing such |
03/11/2004 | WO2004020375A1 Cyclopenta[b]naphthalene derivatives |
03/11/2004 | WO2004020373A1 Spiro compound and organic luminescence device using the same |
03/11/2004 | WO2004020372A1 Fluorene compound and organic luminescent device using the same |
03/11/2004 | WO2004020371A1 Condensed polycyclic compound and organic light-emitting device using the same |
03/10/2004 | CN1480438A Stable ethene in hibitory compound and its prepn method |
03/04/2004 | WO2003027050A3 Process for preparing pentacene derivatives |
03/04/2004 | US20040041125 Fluorinated naphthalenes, liquid-crystal mixtures comprising them, and liquid-crystal displays |
03/04/2004 | DE10238999A1 New cyclopenta(b)naphthalene derivatives, used in liquid crystal medium for electrooptical display or mesogenic medium for electrooptical light control element, have cyclopentane, cyclopentene, oxocyclopentene or oxocyclopentane ring |
02/26/2004 | DE10325697A1 Hydrogenation of fluorine-containing cyclohexene derivatives, useful in preparation of liquid crystal materials, in presence of basic ion exchanger that inhibits defluorination |
02/25/2004 | EP1294662B1 Processes for fluorinating aromatic ring compounds |
02/25/2004 | CN1477089A Substituted dicyclohexylalkyl diphenyl derivative with good low-tomp, mutual solubility, its preparation and application |
02/19/2004 | WO2004014550A2 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions |
02/19/2004 | US20040034260 Oxidative halogenation of aromatic compound |
02/18/2004 | CN1475471A 1-aryl-2 perluoro or polyfluoro phenyl ethylene and its derirative, its synthesis and application |
02/17/2004 | US6693178 Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries |
02/17/2004 | US6692893 Onium salts, photoacid generators, resist compositions, and patterning process |
02/17/2004 | US6692657 Alkenyl compound with 2,3-difluorophenyl group |
02/12/2004 | WO2004013094A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
02/12/2004 | CA2494404A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
02/11/2004 | EP1388529A2 Stable ethylene inhibiting compounds and methods for their preparation |
02/11/2004 | CN1473814A Intemediate for preparing alkyl-dihalogeno phenyl substituted keto-enol |
02/10/2004 | US6689291 Liquid-crystalline medium |
02/05/2004 | US20040023060 Structure including at least three planar moieties, which are linearly configured such that one planar moiety is located between two neighboring planar moieties and shares an atom with each of the moieties |
02/05/2004 | DE10232323A1 Production of halogen fluorides and organohalogen fluorides, useful as etchants, comprises reaction of an oxygen compound of the halogen or organohalogen compound with hydrogen fluoride or hydrofluoric acid in a non-water miscible solvent |
02/04/2004 | CN1137157C Activating composition of metallocene matches in olefin catalytic copolymerization process |
02/03/2004 | US6686495 In presence of palladium catalyst; useful in producing chemical intermediates for pharmaceuticals, optical brightening agents and agrochemicals |
01/28/2004 | CN1471502A Oxidative halogenation of aromatic compound |
01/27/2004 | US6682785 Fluorinated anthracenes, and their use in liquid-crystal mixtures |
01/21/2004 | EP1381639A1 Conjugated polymers containing spirobifluorene units and fluorene units, and the use thereof |
01/21/2004 | EP1185491B1 Process for the preparation of tetrafluorohalogenbenzenes |
01/15/2004 | DE10227449A1 Nematisches flüssigkristallines Medium Nematic liquid crystalline medium |
01/14/2004 | CN1468206A Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds |
01/14/2004 | CN1134387C Terphenyl derivative, liquid-crystal composition, and liquid-crystal display |
01/13/2004 | US6677002 Phenylcyclohexanes and a liquid-crystalline medium |
01/08/2004 | US20040006235 Process for the preparation of ring compounds |
01/07/2004 | EP1377376A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof |
01/02/2004 | EP1373434A1 Fluorinated fluorene derivatives |
12/30/2003 | US6670514 For use in liquid-crystal displays; having high absolute values of dielectric anisotropy combined with a favorable viscosity/ clearing point ratios |
12/24/2003 | WO2002092608A3 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same |
12/24/2003 | CN1463263A Method to inhibit ethylene responses in plants |
12/17/2003 | CN1462303A Double-spiro organic compounds and electric-field luminescent devices |
12/17/2003 | CN1131209C Alkyl dihalogenated phenyl-substituted ketoenols useful as. pesticides and herbicides |
12/17/2003 | CN1131191C 1,4-diaryl-2,3-difuror-2-butene insecticidal and acaricidal agents |
12/16/2003 | US6664391 N-fluorotriazinium fluorinating agents |
12/11/2003 | US20030227000 Electrooptics |
12/10/2003 | EP1369406A1 Fluorinated naphthalene derivatives, liquid crystal compositions and liquid crystal displays containing them |
12/10/2003 | EP0933346B1 NOVEL p-TERPHENYL COMPOUNDS |
12/04/2003 | US20030224206 Aromatic methylidene compound, methylstyryl compound for producing the same, production method therefor, and organic electroluminescent element |
12/04/2003 | US20030222243 Compounds are suitable for use in liquid crystal display elements. displays for watches or pocket calculators, and large display panels as used in railway stations, airports and sports arenas. Further areas of application are displays of |
11/19/2003 | EP1362839A2 Liquid crystal composition having a delta-epsilon- of not less than zero and liquid crystal display device |
11/12/2003 | CN1127461C Process for synthesizing alpha position perfluoro-p-xylene polymer |