Patents for C07C 23 - Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring (1,237) |
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12/01/1999 | CN1046931C Synthesis process of chlorocyclohexane with waste from dithiodicyclohexane prodn. |
11/10/1999 | EP0954515A1 Solvents for use in fluorination reactions |
10/19/1999 | US5968410 Liquid crystal displays |
10/06/1999 | EP0946473A1 Fluorinated phenantrene derivatives for liquid crystal mixtures |
09/23/1999 | WO1999047479A1 Method for chlorinating ketones |
09/23/1999 | WO1999047474A1 Coupling reactions with palladium catalysts |
09/23/1999 | DE19812095A1 Chlorination of ketones to chlorinated alkenes useful as intermediates for organic synthesis, e.g. of alkyne |
09/23/1999 | CA2321791A1 Coupling reactions with palladium catalysts |
09/22/1999 | CN1045201C Method for synthesizing and separating condensed bromoacenaphthylene |
09/10/1999 | WO1999044973A1 Processes for purifying perfluorocyclobutane |
08/17/1999 | US5939546 Useful deoxofluorination reagents |
08/04/1999 | EP0933364A1 Imidazolate sulfur difluorides |
07/27/1999 | US5929264 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts |
07/14/1999 | EP0716065B1 Process for producing hexafluorocyclobutene and process for producing hexafluorocyclobutane |
07/08/1999 | WO1999033771A1 Process for the preparation of compounds having -ch2-chf- groups |
06/22/1999 | US5914352 Methods for the use of stabilized fluorocarbon emulsions |
06/08/1999 | US5910617 Process for the preparation of aliphatic or cycloaliphatic chlorides |
05/20/1999 | DE19748818A1 Optically active, smectic liquid crystal mixture, containing a temperature stable polyfluorinated cyclohexane derivative useful of the fabrication of switching and display devices |
05/18/1999 | CA2109744C 1-phenylbicyclo¬2.2.2|octane derivatives, a process for their preparation and pharmaceutical compositions holding same |
05/06/1999 | EP0913380A1 Process for the preparation of fluorinated olefin |
04/14/1999 | EP0907625A1 Fluorous reaction and separation systems |
03/30/1999 | US5888422 Fluorinated phenanthrene derivatives and their use in liquid-crystal mixtures |
03/25/1999 | WO1999014173A1 Method for producing perhalogenated cyclopentene |
03/25/1999 | DE19831712A1 Fluorocyclohexane derivatives with olefinic end groups |
03/17/1999 | CN1210846A Method for preparing alkane hydrofluoride |
03/09/1999 | US5879585 Exhibit good miscibility with other liquid crystalline compounds; useful for display of watches, computer terminals, and televisions |
01/20/1999 | EP0891959A1 Process for the preparation of aliphatic or cycloaliphatic chlorides |
12/30/1998 | EP0887329A1 Process for the preparation of hydrofluoroalkanes |
12/22/1998 | US5852142 Process for the preparation of an olefin polymer |
12/16/1998 | CN1041175C Catalyst prepared by particular preparation method and use in process for preparing tertiary olefins from alkyl-tert-alkylethers |
12/15/1998 | US5849962 Process for the preparation of octafluoro-(2,2) paracyclophane |
12/10/1998 | WO1998055429A1 Solvents for use in fluorination reactions |
12/10/1998 | CA2262532A1 Solvents for use in fluorination reactions |
12/08/1998 | US5847243 Process for producing fluorinated alkene and fluorinated alkane |
12/02/1998 | EP0881202A1 Manufacturing method for hexafluorocyclobutane |
11/24/1998 | US5841005 Parylene AF4 synthesis |
11/24/1998 | US5840948 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts |
11/19/1998 | WO1998051651A1 Fluorinated hydrocarbons, detergents, deterging method, polymer-containing fluids, and method of forming polymer films |
11/19/1998 | WO1998051650A1 Fluorinated, saturated hydrocarbons |
11/19/1998 | WO1998051649A1 Fluorinated, saturated hydrocarbons, compositions thereof, polymer-containing fluid, and method of forming polymer film |
11/11/1998 | EP0877010A1 Fluorinated alkanes and their uses |
11/10/1998 | US5834521 Treatment of progestin mediated maladies; osteoporosis, cancer |
10/28/1998 | EP0663941B1 2-fluorocyclohexene derivatives |
09/24/1998 | WO1998041490A1 Af4 synthesis |
09/02/1998 | EP0861828A1 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions and liquid crystal display elements |
09/01/1998 | US5800734 Liquid crystals, electrooptical displays |
09/01/1998 | US5800730 Fluorocarbons |
08/25/1998 | US5798354 Cosmetic, therapy |
08/04/1998 | US5789580 Selectively fluorinated organic compounds |
06/30/1998 | US5773404 Cleaning mixtures |
06/25/1998 | WO1998027035A1 Fluorinated phenantrene derivatives for liquid crystal mixtures |
06/25/1998 | DE19653008A1 Fluorierte Phenanthren-Derivate und ihre Verwendung in flüssigkristallinen Mischungen Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures |
06/23/1998 | US5770780 Reaction of cycloaliphatic olefin and hydrohalic acid, noncatalytic reaction, high yield and purity, chlorination, bromination, iodination |
06/09/1998 | US5763719 Thermally stable fullerene derivatives and process for producing the same |
06/09/1998 | US5763703 Manufacturing method for hexafluorocylobutene and hexafluorocyclobutane |
06/03/1998 | EP0783545B1 Polymers of vinyl(perfluorocyclopropane) |
05/20/1998 | EP0577750B1 Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane |
04/29/1998 | EP0837851A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures |
04/28/1998 | US5744663 Process for preparing cyclopentyl bromide |
04/22/1998 | EP0837045A1 Liquid crystalline compound having alkynyl group, and liquid crystal composition and liquid crystal display device therefrom |
04/14/1998 | US5739376 Fullerene derivatives, methods of preparing them and their use |
03/25/1998 | EP0830436A1 Refrigerants based on hydrofluoroether of fluoroether |
03/03/1998 | US5723621 Reaction of silylaromatic with aromatic compound to form biaryl compound |
02/18/1998 | EP0642483B1 Chlorination and elimination process and some products thereof |
01/28/1998 | EP0820426A1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION |
01/08/1998 | WO1998000376A1 Fluorous reaction and separation systems |
11/20/1997 | WO1997043233A1 Process for the preparation of fluorinated olefin |
10/29/1997 | EP0695287B1 Fullerene derivatives, methods of preparing them and their use |
09/24/1997 | EP0675865B1 Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins |
09/12/1997 | WO1997032835A1 Process for producing fluorine compounds |
09/11/1997 | DE19607999A1 Stable liquid crystalline or mesogenic substituted cyclopentenyl derivatives |
08/27/1997 | EP0494994B1 Fluorocarbon purification process |
08/13/1997 | EP0789011A1 Process for the preparation of alkyl halides |
07/30/1997 | EP0607334B1 Cyclic ureas and analogues useful as retroviral protease inhibitiors |
07/16/1997 | EP0783545A2 Polymers of vinyl(perfluorocyclopropane) |
07/15/1997 | US5648566 Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins |
06/03/1997 | US5635099 Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane |
05/13/1997 | US5628930 Stabilization of fluorocarbon emulsions |
05/01/1997 | WO1997015541A1 CYCLIC ALPHA-PERFLUORO-DI-p-XYLYLENES FOR USE IN THE FORMATION OF LOW DIELECTRIC CONSTANT ALPHA-PERFLUORO-p-XYLYLENE POLYMERS |
04/24/1997 | WO1997014666A1 Processes for the preparation of octafluoro-[2,2]paracyclophane |
04/16/1997 | EP0768289A1 Process for producing fluorinated alkene derivative and fluorinated alkane derivative |
04/16/1997 | CN1034569C Endothelin receptor antagonists |
04/15/1997 | US5621147 Liquid crystal intermediates |
04/09/1997 | EP0680462B1 Thermally stable fullerene derivates and process for producing the same |
04/02/1997 | EP0765873A1 Cyclic ureas and analogues useful as retroviral protease inhibitors |
04/01/1997 | US5616276 Azeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C2 -C4 hydrocarbon |
03/26/1997 | CN1146195A Azeotropic composition |
03/19/1997 | CN1145223A Endothelin receptor antagonists |
03/18/1997 | CA2008341C Benzocycloalcenyl dihydroxy alcanoic acid derivatives, process for their preparation and drugs containing the same |
03/12/1997 | EP0650513B1 Refrigerant compositions including 1,1,2,2-tetrafluoroethane |
03/04/1997 | US5608131 Pentacyclic hydrocarbon compound and halogenated pentacyclic hydrocarbon compound, and preparation processes thereof |
02/27/1997 | WO1997007234A1 Process for producing optically active trans-2-bromoindan-1-ol |
02/04/1997 | US5599783 Cleaning solvent composition and a method for cleaning or drying articles |
01/29/1997 | EP0755909A1 Azeotropic composition |
01/23/1997 | WO1997002247A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures |
01/15/1997 | EP0753499A1 Process for preparing cyclopentylbromide |
01/13/1997 | CA2180814A1 Process for preparing cyclopentyl bromide |
01/09/1997 | DE19524230A1 Fluorierte Phenanthren-Derivate und ihre Verwendung in flüssigkristallinen Mischungen Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures |
01/08/1997 | EP0541793B1 Vinyl compounds and liquid-crystal medium |
12/19/1996 | WO1996040834A1 Refrigerants based on hydrofluoroether of fluoroether |