Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
08/1997
08/27/1997EP0790974A1 Substituted 4-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitiors
08/27/1997EP0790968A1 Improved bromination process
08/27/1997CN1157812A Preparation method of 2-fluor-4-bromotoluene, 2-fluor-4-bromo benzyl bromide and its 2-fluor-4-bromo benzyl bromide
08/13/1997EP0789067A1 Cyclopentyl derivatives useful as liquid crystals
08/13/1997CN1035610C Process for preparing P-dichloro-benzene
08/05/1997US5653911 Liquid crystalline compound liquid crystal composition and liquid crystal display element
07/1997
07/29/1997CA1339148C Benzonitriles, benzaldehydes and benzyl alcohols
07/24/1997WO1997026237A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
07/24/1997CA2243295A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
07/23/1997EP0785179A1 Chlorobenzene derivative and liquid-crystal composition containing the same
07/23/1997EP0784648A1 Continuous bromination process and products thereof
07/23/1997EP0784604A1 Processes for the preparation of (e)-2-fluoromethylene-4-(4-fluorophenyl) butylamine and alkali metal salts of diformylamide
07/16/1997EP0783303A1 Use of aromatic halides for treating mammalian cell proliferation
07/16/1997CN1154368A Photo-cross-linkable liquid crystalline 1,2-phenylene derivatives
07/15/1997US5648570 Process for preparing substituted chloroaromatics
07/02/1997EP0781747A1 Process for the preparation of 2,3,4,5-tetrafluoro-benzotrifluoride
07/02/1997EP0781262A1 Improved bromination process
06/1997
06/24/1997US5641432 Dicyclohexylethylene derivative
06/24/1997US5641429 Stable compounds having low viscosity and high dielectric anisotropy
06/12/1997WO1997020877A2 Poly(9,9'-spiro-bisfluorenes), the production and use of same
06/12/1997CA2237461A1 Poly(9,9'-spiro-bisfluorenes), the production and use of same
06/11/1997CN1151732A Tri-substituted phenyl derivates useful as PDE IV inhibitors
06/10/1997US5637257 Liquid crystal displaying
06/04/1997EP0776877A1 Process for the preparation of 1-bromo-3,5-difluorobenzene
06/02/1997CA2191652A1 Process for preparing 1-bromo-3,5-difluorobenzene
05/1997
05/29/1997WO1997018893A1 Para-chlorination of aromatic compound
05/28/1997EP0775101A1 Benzene derivatives and liquid crystal medium
05/22/1997DE19645248A1 New benzene derivatives having chiral terminal groups
05/14/1997EP0773210A1 Process for the preparation of fluorinated aromatic compounds
05/12/1997CA2189945A1 Process for preparing fluorinated aromatics
05/09/1997WO1997016406A1 Photosensitive intramolecular electron transfer compounds
05/06/1997US5626793 Liquid-crystalline compounds
05/02/1997EP0770065A1 Tri-substituted phenyl derivates useful as pde iv inhibitors
05/01/1997WO1997015541A1 CYCLIC ALPHA-PERFLUORO-DI-p-XYLYLENES FOR USE IN THE FORMATION OF LOW DIELECTRIC CONSTANT ALPHA-PERFLUORO-p-XYLYLENE POLYMERS
04/1997
04/23/1997EP0769005A2 Pla 2? inhibitors and their use for inhibition of intestinal cholesterol absorption
04/17/1997WO1997013821A1 Fluorine-substituted alkenyl liquid crystalline compounds
04/16/1997EP0767776A1 Oligomer liquid crystal triphenylene derivatives and their use as charge carrying substances in electrophotography
04/16/1997EP0767772A1 Novel chiral cyclohexyl compounds
04/16/1997EP0660815B1 Pesticidal fluoroolefins
04/16/1997CN1147829A Supertwist liquid crystal display
04/16/1997CN1034569C Endothelin receptor antagonists
04/15/1997US5621147 Liquid crystal intermediates
04/15/1997US5621131 Conjugated polymers having spiro centers and their use as electroluminescence materials
04/09/1997EP0766669A1 Tri-substituted phenyl derivatives useful as pde iv inhibitors
04/09/1997EP0680462B1 Thermally stable fullerene derivates and process for producing the same
03/1997
03/27/1997DE19533850A1 Photovoltaische Zelle A photovoltaic cell
03/20/1997WO1997010617A1 Photo-voltaic cell
03/19/1997CN1145223A Endothelin receptor antagonists
03/18/1997CA2008341C Benzocycloalcenyl dihydroxy alcanoic acid derivatives, process for their preparation and drugs containing the same
03/12/1997EP0761799A1 Liquid crystalline compound substituted with fluorine containing group, liquid crystal composition, and liquid crystal display device
03/12/1997EP0761627A1 Process for the preparation of p-bromofluorobenzene
03/12/1997EP0462237B1 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
03/11/1997US5609791 Liquid crystal
03/05/1997CN1144217A Retinoid-like compounds
03/05/1997CN1144091A Compounds having retinoid-like activity
02/1997
02/26/1997EP0759058A1 Supertwist liquid crystal display
02/20/1997WO1997006124A1 Cyclohexane derivatives and liquid-crystal compositions
02/19/1997CN1143382A Liquid crystal compounds, mixtures and devices
02/13/1997WO1997005184A1 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
02/12/1997EP0757667A1 Processes for preparing aromatic, bromine-containing compounds, novel bromine-containing compounds, and their use as intermediate products in the synthesis of active agents
02/11/1997US5602135 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity
02/04/1997US5600036 2-trifluoromethyl-4-chlorobenzalchloride and 2-methyl-3-nitro-5-chlorobenzotrifluoride useful as intermediates for preparing 2-methyl-3-aminobenzotrifluoride
02/04/1997US5599986 Crystallization yields pure free-flowing granular solids
02/04/1997US5599980 Process for the preparation of polyhalogenated benzotrifluorides, benzotrichlorides and benzoyl chlorides and new trihalogenobenzotrichlorides and -benzoyl chlorides
01/1997
01/29/1997EP0755918A2 Photocrosslinkable liquid crystalline 1,2-phenylene derivatives
01/29/1997EP0755908A2 Process for preparing substituted chloro-aromatic compounds
01/23/1997WO1997002247A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
01/22/1997EP0754665A2 3-substituted-alpha,beta-dibromoethylbenzene and process for preparing the same
01/15/1997CN1140194A Liquid crystalline compound having branched alkyl group at its side chain and liquid crystal composition containing the same
01/09/1997DE19524230A1 Fluorierte Phenanthren-Derivate und ihre Verwendung in flüssigkristallinen Mischungen Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
01/08/1997EP0541793B1 Vinyl compounds and liquid-crystal medium
01/08/1997CN1139660A 2,4-dichloro fluoro-benzene preparation process
01/07/1997US5591744 1,4-dihydro-4-oxoquinoline-3-carboxylate derivatives; microbiocides
12/1996
12/31/1996US5589103 Mesomorphic compound, liquid crystal composition containing same, and liquid crystal device using same
12/27/1996WO1996041788A1 Process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene
12/27/1996WO1996041787A1 Liquid crystal compounds having substituted alkyl groups, liquid crystal composition, and liquid crystal display element
12/27/1996EP0630394B1 Solvent mixtures having enhanced evaporation
12/18/1996CN1138023A Process for preparation of aromatic compounds by decarboxylation of aromatic carboxylic acids
12/11/1996CN1137512A Process for preparation of nuclear-halogenated benzotrichlorides from corresponding benzotrifluorides
12/10/1996US5582767 Liquid crystals
12/03/1996US5580488 Mesomorphic compound liquid crystal composition containing the compound, liquid crystal device using the composition, display apparatus and display method
11/1996
11/28/1996WO1996037451A1 Liquid crystalline compounds having exo-methylene site and liquid crystal compositions comprising the same
11/27/1996EP0744391A1 Process for the preparation of aromatic acetyles using palladacyclen as acatalysts
11/27/1996EP0743938A1 Substituted spiro compounds for the treatment of inflammation
11/26/1996US5578737 Chlorination process, alkylation of products of said process and some products thereof
11/26/1996US5578639 PLA2 inhibitors and their use for inhibition of intestinal cholesterol absorption
11/20/1996EP0743293A1 Process for producing biaryl compound
11/20/1996CN1033323C Preparation of monochloro-O-dimethyl benzene
11/14/1996WO1996035664A1 Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
11/14/1996CA2220440A1 Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
11/13/1996EP0465621B1 Partially fluorinated compounds
11/06/1996EP0741122A1 Process for preparing aromatic compounds through decarboxylation of aromatic carboxylic acids
11/05/1996US5571449 Liquid crystals
11/03/1996CA2175535A1 Process for the preparation of aromatic compounds by decarboxylation of aromatic carboxylic acids
10/1996
10/30/1996EP0739876A2 Fluorinated biphenylcyclohexanes and liquid crystalline medium
10/29/1996US5569800 Reacting phosphonic acid ester compound containing a pyrene ring with a carbonyl compound in the presence of a basic compound
10/28/1996CA2175135A1 Process for preparing aromatic acetylenes using palladacycles as catalysts
10/23/1996EP0738312A1 Liquid crystal compounds, mixtures and devices
10/15/1996US5565612 Chemical intermediates for bactericides
10/15/1996US5565140 Halogenated benzene derivatives, and a liquid-crystalline medium
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