Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
04/2002
04/04/2002US20020038858 Isotope replacement; optical display
04/03/2002EP1193555A1 Negative resist composition
04/03/2002EP1192116A1 Process for the synthesis of 3,5-bis(trifluoromethyl)-bromobenzene
03/2002
03/26/2002US6362310 Light emitting polymer
03/21/2002WO2002022538A2 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
03/21/2002WO2001085649A3 Synthesis of 2-halobenzyl alkanoic acid
03/20/2002EP0944564B1 Halogen exchange reactions and uses thereof
03/20/2002EP0900180B1 Process for the preparation of fluoro compounds from the corresponding amines
03/19/2002US6358372 Contacting with solubilizing solvent of octanol or decanol, distilling
03/14/2002US20020032337 Halogenoarene reacted with a substituted alkyne, susbstituted arylalkyne formed is reacted with sodium hydroxide and then an acylating agent, and the arylalkinone formed is reacted with hydrazine
03/14/2002US20020030179 Having negative and large dielectric anisotropy value and small optical anisotropy value at the same time
03/13/2002EP1185491A1 Process for the preparation of tetrafluorohalogenbenzenes
03/13/2002EP0977729B1 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof
03/07/2002WO2001079148A3 Method of making benzoyl halides and nitriles
03/06/2002CN1339024A Process for producing onium salt derivative and novel onium salt derivative
03/06/2002CN1338328A Gas-phase selective adsorption process for separating dichlorobenzene from mixture
03/05/2002CA2047256C Process for decabromodiphenylalkane predominant product
02/2002
02/28/2002US20020026086 Process for the preparation of derivatives of octafluoro-[2,2]paracylophane
02/27/2002EP1181267A1 Halogen compounds
02/26/2002US6350925 Haloethylation of aromatic compounds
02/26/2002US6350892 Trifluoromethyl ketone analogs as selective cPLA2 inhibitors
02/21/2002WO2002014244A1 Hydrocarbon compound, material for organic electroluminescent element and organic electroluminescent element
02/21/2002DE10040860A1 Katalysatorsystem zur Polymerisation von Olefinen A catalyst system for the polymerization of olefins
02/19/2002US6348633 Bromine-containing 1,2-bis(phenyl)difluoromethanes and method of imparting flame retardancy to flammable materials
02/19/2002US6348244 Liquid-crystal compounds having large negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element
02/14/2002WO2002012154A2 Catalyst system for the polymerisation of olefins
02/13/2002EP1178963A1 Ion channel modulating agents
02/07/2002WO2001060946A3 Polar diphenyldiacetylene liquid crystals
02/07/2002US20020016451 Solution phase biopolymer synthesis
02/07/2002US20020015826 Zwitterionic iodonium compounds and methods of application
02/05/2002US6344247 Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
01/2002
01/31/2002DE10035651A1 New dialkyne compounds, used in liquid crystal media, especially in reflective, transflective and electrooptical displays, are cyclohexane compounds or heterocyclic analogues with lateral dialkyne substituent(s)
01/31/2002DE10034815A1 New cyclohexylphenylethane compounds useful as components of liquid crystal media
01/23/2002EP1174405A2 Dialkyne compounds
01/22/2002US6340753 Cationic quaternary ammonium compounds dehydrohalogenation of compounds to form amines
01/17/2002WO2002004529A2 Method of reducing formation of precipitates in solvent recovery system
01/17/2002US20020007048 Solution Phase Biopolymer Synthesis
01/17/2002US20020006578 Positive resist composition
01/16/2002EP1171406A1 Method of producing biaryls
01/10/2002WO2002002504A1 Production method for benzenedimethanol compound
01/10/2002DE10124481A1 New trans-2-substituted-1,4-cyclohexylene compounds are used as chiral dopant and in liquid crystal medium for use in liquid crystal display or as dielectric in electrooptical display
01/08/2002US6337518 Integrated circuit interconnect structure comprising substrate with electroconductive layer, layer of non-fluorinated diamond-like carbon, graded layer, layer of amorphous fluorinated carbon, electroconductive layer, metal connector
01/08/2002US6337425 Solvent-free; triphenylphosphine oxide catalyst
01/08/2002US6337420 Non-aromatic ester; exhibits one or more smectic phases for use in electroclinic devices
01/03/2002US20020001732 Polymer electroluminescent device
12/2001
12/27/2001US20010056210 Hydrogenation catalyst
12/25/2001US6333434 Nitrating benzotrichloride, converting trichloromethyl group into trifluoromethyl group by reaction with anhydrous hydrofluoric acid, reducing nitro groups of nitrobenzotrifluoride to form trifluoromethylaniline
12/20/2001WO2001096267A1 Fluorinated benzene manufacturing process
12/20/2001WO2001096266A1 Processes for fluorinating aromatic ring compounds
12/20/2001US20010053842 Aromatic resins; electronics; films
12/20/2001DE10112769A1 Banana-shaped liquid crystal compounds combining flexoelectric polarization induction with other properties required for use in displays, comprise an optionally fluorinated phenylene ring substituted with mesogenic 'wings'
12/19/2001EP1164127A1 Process for producing onium salt derivative and novel onium salt derivative
12/18/2001US6331564 Use of triaryl methane compounds for inhibiting unwanted cellular proliferation associated with inflammatory disease
12/13/2001US20010051233 Trans-4-(4-fluorophenyl)-1-(2-(trans-4-propyl cyclohexyl)ethyl)- cyclohex-1-ene, for example; liquid crystal display; steep electro-optical curve, so that it reduces response time with a wide working temperature range
12/13/2001US20010050353 Refractive index anisotropy
12/13/2001DE10123088A1 Novel hydrogenated phenanthrene derivatives are useful for production of liquid crystal mixtures
12/12/2001EP1162185A1 Hydrogenated phenanthrenes and their use in liquid crystal mixtures
12/11/2001US6329027 Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements
12/04/2001US6326066 1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium
11/2001
11/29/2001US20010047118 Bromination process
11/29/2001US20010045350 Bromination the corresponding naphthalene halogen compound
11/28/2001EP1158363A1 Positive resist composition and onium salts of saccharin derivatives
11/28/2001EP0944690B1 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
11/27/2001US6323297 Low dielectric constant materials with improved thermal and mechanical properties
11/22/2001DE10120024A1 Novel phenylacetylene compounds are useful for production of liquid crystal mixtures for the fabrication of flat-screen displays
11/21/2001EP0946476B1 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures
11/15/2001WO2001085649A2 Synthesis of 2-halobenzyl alkanoic acid
11/15/2001CA2378138A1 Synthesis of 2-halobenzyl alkanoic acid
11/14/2001EP0923508B1 Process for preparing fluorine-containing compounds
11/13/2001US6316486 Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
11/08/2001US20010038891 High voltage, low threshold voltage, heat resistance
11/08/2001US20010038092 Terphenyl derivative, liquid crystal composition and liquid crystal display device
11/07/2001EP0946474B1 1,3-difluoronapthalene derivatives for liquid crystal mixtures
11/07/2001EP0879223B1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
11/07/2001CN1321141A Decahydronaphthalene derivative
11/06/2001US6313337 Method of making benzoyl halides and nitriles
11/06/2001US6312618 Polar diphenyldiacetylene liquid crystals
11/01/2001WO2001081477A1 Optical resin composition and use thereof
11/01/2001WO2001081349A1 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT WITH AXIAL ASYMMETRY, PROCESS FOR PRODUCING THE SAME, AND APPLICATION TO ASYMMETRIC SYNTHESIS OF α-AMINO ACID DERIVATIVE
11/01/2001US20010036591 Radiation sensitive compositions of a cationically polymerizable or curable compound, a compound that increases solubility in developer under acidification, and asymmetrical diaryliodonium salt; storage stable; relief images
10/2001
10/31/2001EP1149885A1 Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices
10/31/2001EP0923513B1 Preparation of brominated indanes
10/31/2001DE10105865A1 1-[2-(trans-4-Alkylcyclohexyl)ethyl]-4-arylcyclohex-1-en und dieses enthaltende Flüssigkristallzusammensetzung 1- [2- (trans-4-alkylcyclohexyl) ethyl] -4-arylcyclohex-1-ene and this liquid crystal composition containing
10/30/2001US6309763 Copolymers; aromatic resin and organonitrogen polymer
10/25/2001WO2001079148A2 Method of making benzoyl halides and nitriles
10/25/2001DE10102630A1 New diaryltetrafluorobutadiene derivatives useful as a component in liquid crystal media for the production of electro-optical displays
10/23/2001US6306555 Iodonium salts as latent acid donors
10/16/2001CA2043798C Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
10/11/2001WO2001074746A1 Method for producing 2,3,4,5-tetrachlorobenzotrifluoride
10/11/2001US20010029110 Precursors for making low dielectric constant materials with improved thermal stability
10/10/2001EP1140791A2 Selective cpla 2 inhibitors
10/04/2001US20010026878 Fluorene-containing polymers and electroluminescent devices therefrom
10/04/2001US20010025782 Process and apparatus for treating dioxins
10/04/2001DE10016192A1 Verfahren zur Herstellung von 2,3,4,5-Tetrachlorbenzotrifluorid A process for preparing 2,3,4,5-tetrachlorobenzotrifluoride
10/04/2001DE10015247A1 New banana-shaped liquid crystal compounds combining flexoelectric polarization induction with other properties required for use in displays comprise optionally fluorinated phenylene ring substituted with mesogenic 'wings'
10/03/2001CN1315217A Hydrophobic silicalite method for liquid-phase selective adsorption, separation and mixing of dichlorobenzene
10/02/2001CA2250092C Triaryl and diaryl compounds, their analogues and uses thereof
09/2001
09/27/2001WO2001017972A3 Novel herbicides
09/27/2001US20010023935 Disubstituted phenanthrenes and their use in liquid-crystal mixtures
09/26/2001EP1136533A1 Curable silicone compositions incorporating photoactive onium salts
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