Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
12/1998
12/23/1998CN1041268C Method for controlling insects and acarids
12/22/1998US5852142 Process for the preparation of an olefin polymer
12/17/1998WO1998056743A1 Continuous method for reducing carbonyl compounds
12/17/1998CA2290959A1 Continuous method for reducing carbonyl compounds
12/16/1998CN1041197C Substituted 2-chloro-3,4,5-trifluorobenzenes and process for their preparation
12/15/1998US5849958 1,4,diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
12/10/1998WO1998055429A1 Solvents for use in fluorination reactions
12/10/1998DE19723275A1 New 4-fluoro-cyclohexane derivatives
12/10/1998CA2262532A1 Solvents for use in fluorination reactions
12/08/1998US5847241 Process for the preparation of p-bromofluorobenzene
12/02/1998EP0880490A1 Synthesis of perfluoro aromatic boranes and borates
11/1998
11/25/1998EP0879223A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
11/24/1998US5841004 Chemical intermediates
11/24/1998US5840948 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts
11/18/1998EP0878456A1 Process for the preparation of p-bromotoluene
11/18/1998EP0734369B1 Process for preparing intermediates for the synthesis of antifungal agents
11/17/1998US5837162 Cyclic ethers for liquid crystal displays
11/11/1998CN1198435A Method for producing fluorescent whitening agent
11/10/1998US5834521 Treatment of progestin mediated maladies; osteoporosis, cancer
11/04/1998EP0875499A2 Process for the crystallisation of alkali metal salts of diformylamide
11/04/1998EP0688753B1 Silane coupling agent
10/1998
10/29/1998WO1998047862A1 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof
10/29/1998DE19717231A1 3-Cyano-2,4,5-trifluor-benzoylfluorid 3-cyano-2,4,5-trifluoro-benzoyl fluoride
10/28/1998EP0873989A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0873988A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0663941B1 2-fluorocyclohexene derivatives
10/28/1998CN1197065A Process for production of distyryl-biphenyl fluorescent whitening agents
10/22/1998WO1998046647A1 Non-toxic initiators, resins with cross-linkable organofunctional groups containing same, and use for preparing stable and non-toxic polymers
10/22/1998WO1998046547A1 Process for preparing 2-aryl-substituted indenes
10/22/1998CA2258747A1 Process for preparing 2-aryl-substituted indenes
10/21/1998EP0872476A2 Herbicidal substance based on 2,6-dichloro-3-fluoro-benzonitrile and new intermediate compounds
10/21/1998EP0872465A2 Process for the preparation of (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl) butane and intermediates thereof
10/21/1998EP0871607A1 Photosensitive intramolecular electron transfer compounds
10/20/1998US5824817 Herbicidal compositions based on 2,6-dichloro-3-fluoro-benzonitrile, and new intermediates
10/14/1998EP0870748A1 Process for the purification of chlorinated aromatic compounds
10/14/1998EP0870747A1 Method of making m-chlorobenzotrifluoride
10/14/1998CN1196138A Photo-voltaic cell
10/13/1998US5820785 Fluoroalkylethnyl- and difluoroalkylethynylbenzenes, and their use in liquid-crystal mixtures
10/07/1998EP0688754B1 Dicyclohexylethylene derivative
10/07/1998CA2233799A1 Method of making m-chlorobenzotrifluoride
10/01/1998WO1998042676A1 Synthesis of intermediates useful in preparing tricyclic compounds
09/1998
09/30/1998EP0867753A1 Organic nonlinear optical material and nonlinear optical element using the same
09/24/1998WO1998041491A1 Oligomeric flame retardant additive
09/24/1998CA2283735A1 Oligomeric flame retardant additive
09/22/1998US5811576 1-carboxy-2-loweralkyl-3,4,6-tri(halo)benzenes; grampositive and-negative bacteria; infections; sterilization of medical equipment
09/17/1998WO1998040336A1 Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same
09/16/1998EP0863931A2 Poly(9,9'-spiro-bisfluorenes), the production and use of same
09/15/1998US5807500 Fluorinated biphenylcyclohexanes, and liquid-crystalline medium
09/11/1998WO1998039287A1 Benzanthrone compounds and antiviral uses thereof
09/09/1998EP0863118A1 Preparation of Brominated Indanes
09/09/1998EP0693100B1 Brominated diphenylalkane products and processes
09/02/1998EP0861828A1 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions and liquid crystal display elements
09/02/1998CN1192223A 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
09/01/1998US5800734 Liquid crystals, electrooptical displays
09/01/1998US5800733 Photo cross-linkable liquid crystal derivatives
08/1998
08/26/1998EP0860417A2 Liquid crystalline compounds and process for producing the same
08/25/1998CA2096928C Process for selectively ortho-fluorinating substituted aromatic compounds
08/20/1998WO1998035924A1 Liquid-crystalline compounds having bicyclo[1.1.1]pentane structure, liquid-crystal composition, and liquid-crystal display element
08/12/1998EP0857708A1 Liquid crystal compounds having substituted alkyl groups, liquid crystal composition, and liquid crystal display element
08/11/1998US5792892 Bromination in the presence of aluminum chloride and bromine and chlorine
08/06/1998WO1998033752A1 2-substituted 7-haloindenes and methods for synthesizing
08/05/1998EP0856503A1 Dichloro-tetrafluoro-2,2-paracyclophane, a process for manufacturing thereof and poly-alpha, alpha-difluoro-chloro-para-xylylene film prepared therefrom
08/04/1998US5789634 Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst intermediates
08/04/1998US5789631 Production of perhalobenzenes
08/04/1998US5789580 Selectively fluorinated organic compounds
08/04/1998US5789434 Derivatives of substituted 4-biarylbutyric acid as matrix metalloprotease inhibitors
07/1998
07/30/1998WO1998032722A1 Liquid-crystal compounds having fluorinated alkyl groups, liquid-crystal composition, and liquid-crystal display element
07/30/1998WO1998032532A1 Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions
07/30/1998DE19702282A1 Katalysator für Halex-Reaktionen Catalyst for Halex reactions
07/30/1998CA2278533A1 Catalyst comprising and amidophosphonium salt for halex reactions
07/29/1998EP0854899A1 Fluorine-substituted alkenyl liquid crystalline compounds
07/29/1998CN1189153A Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
07/28/1998US5786354 Tri-substituted phenyl derivatives and processes for their preparation
07/22/1998EP0853607A1 Method of making 1,2,4-trichlorobenzene
07/21/1998CA2021733C Azole-substituted cycloalkanol derivative, a process to produce the same and a use of the derivative as an agricultural and horticultural fungicide
07/01/1998EP0850492A1 Photo-voltaic cell
06/1998
06/30/1998US5772914 Chiral dopes
06/25/1998WO1998027179A1 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/25/1998WO1998027042A1 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures
06/25/1998WO1998027038A1 1,3,5-trifluoronaphthalene derivatives for liquid crystalline mixtures
06/25/1998WO1998027037A1 1,3-difluoronapthalene derivatives for liquid crystal mixtures
06/25/1998WO1998027036A1 Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
06/25/1998WO1998027035A1 Fluorinated phenantrene derivatives for liquid crystal mixtures
06/25/1998DE19653008A1 Fluorierte Phenanthren-Derivate und ihre Verwendung in flüssigkristallinen Mischungen Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
06/24/1998EP0849246A2 Derivatives of 4-vinyl-4'-alpha-hydroxyethyl-biphenyl
06/24/1998EP0849244A1 Process for the preparation of distyryl-biphenylic compounds
06/24/1998EP0699178B1 Tetrahydronaphthyl and cyclopropyl substituted 1,3-butadienes having retinoid-like activity
06/24/1998EP0623102B1 Cyclobutane-benzole derivatives
06/18/1998DE19652252A1 1,3-Difluornaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,3-difluoronaphthalene-derivatives and their use in liquid crystal mixtures
06/18/1998DE19652250A1 1,1,5,7-Tetrafluor-1,2,3,4-tetrahydronaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/18/1998DE19652249A1 1,3,5-Trifluornaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,3,5-Trifluornaphthalin derivatives and their use in liquid crystal mixtures
06/18/1998DE19652247A1 5,7-Difluor-1,2,3,4-tetrahydronaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/10/1998EP0846670A1 Cyclohexane derivatives and liquid-crystal compositions
06/10/1998CN1184103A Cyclopentyl derivatives
06/09/1998US5763719 Thermally stable fullerene derivatives and process for producing the same
06/09/1998US5763700 Insecticides
06/09/1998US5763699 Process for preparing 2,2-diphenylhexafluoropropanes
06/04/1998WO1998023564A1 Fluorine-substituted benzene derivatives, liquid-crystal composition, and liquid-crystal display element
06/04/1998WO1998023563A1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays
06/04/1998WO1998023562A1 3,3'-difluorobiphenyl derivatives, liquid crystal compositions, and liquid crystal display elements
1 ... 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 ... 54