Patents
Patents for C07C 23 - Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring (1,237)
07/2002
07/09/2002US6417405 Synthesis of cyclopentadiene or substituted cyclopentadiene compounds
07/09/2002US6417357 Coupling reactions with palladium catalysts
07/04/2002US20020086124 Electrical resistance
06/2002
06/12/2002CN1353681A Process for manufacture of fluoroolefins
06/11/2002US6403849 Method for purifying perfluorocarbons
06/11/2002US6403846 Hydrogenating fluorocycloalkenes to fluorocycloalkanes using noble metal catalyst; excellent stability in water; for use as detergents
05/2002
05/30/2002US20020065326 Patient oxygenation using stabilized fluorocarbon emulsions
05/29/2002EP0837851B1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
05/28/2002US6395940 Method for producing perhalogenated cyclopentene
05/28/2002US6395700 Catalytic hydrogenation
04/2002
04/18/2002US20020045783 Brominating cyclododecatriene in a liquid medium comprised of (1) at least 50 wt % of at least one liquid inert organic solvent other than 1,4-dioxane having a solubility in water of at least 1 wt % at 25 degrees C., and (2) water
04/04/2002WO2002026673A1 Method for purifying perfluorocarbons
04/03/2002EP0913380B1 Process for the preparation of fluorinated olefin
03/2002
03/26/2002CA2060045C Process for preparing perhalogenated olefins
03/20/2002CN1341088A Improved process for producing hexabromocyclododecane
03/13/2002EP1186585A1 Gas for plasma reaction and method for production thereof
03/13/2002CN1340043A Phenylalaninol derivatives
03/07/2002US20020028774 C-terminal modified oxamyl dipeptides as inhibitors of the ICE/ced-3 family of cysteine proteases
03/06/2002EP1183223A1 Process for the manufacture of fluoroolefins
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)
01/23/2002EP1174405A2 Dialkyne compounds
01/10/2002US20020004028 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes to form catalyst-containing seed materials for use in making carbon fibers
01/08/2002US6337425 Solvent-free; triphenylphosphine oxide catalyst
01/03/2002US20020002308 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
01/02/2002EP1165464A1 Preparation of selectively fluorinated organic compounds
12/2001
12/05/2001EP1159245A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
11/2001
11/28/2001EP1156993A1 An improved process for producing hexabromocyclododecane
11/21/2001EP1154987A1 Phenylalaninol derivatives
11/15/2001US20010041160 Reacting with fluorine gas and then with an alkyl or phenyl containing nucleophile
11/14/2001EP1153921A2 Cyclic ureas and analogues useful as retroviral protease inhibitors
11/06/2001US6312759 Alicyclic trihydrofluorocarbon with 5 carbon atoms
10/2001
10/30/2001US6310256 Synthesis of 4-ketocyclopentene compounds
10/18/2001US20010031900 Covalent modification by reacting with fluorine gas for example, followed by reacting with a nucleophile; solvating by fluorinating then sonicating in a solvent
10/10/2001EP1140734A1 Preparation of selectively fluorinated organic compounds
09/2001
09/27/2001WO2001028959A8 Preparation of selectively fluorinated organic compounds
09/27/2001US20010023935 Disubstituted phenanthrenes and their use in liquid-crystal mixtures
09/19/2001EP0730566B1 Selectively fluorinated organic compounds
09/19/2001EP0612244B1 Endothelin receptor antagonists
09/19/2001CN1313846A C-terminal modified oxamyl dipeptides as inhibitors of the ICE/ced-3 family of cystenine proteases
09/04/2001US6284935 Bromination of cyclododecatriene in a solvent dioxane and water
08/2001
08/28/2001US6281396 Fluorinating haloginated hydrocarbon with hf(hydrogen fluoride) to provide an initial product mixture containing hf; distilling to remove hydrogen chloride and to recover product; adding chlorofluorocarbons, halo-olefins; reacting
07/2001
07/26/2001DE10002186A1 New phenanthrene-2,7-diyl or 9,10-dihydrophenanthrene-2,7-diyl compounds, some of which contain fluorine, are useful in liquid crystal mixtures for displays
07/04/2001EP1112224A1 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes
05/2001
05/30/2001CN1297428A Method for chlorinating ketones
04/2001
04/26/2001WO2001028959A1 Preparation of selectively fluorinated organic compounds
04/25/2001CN1292773A Process for purifying perfluorocyclobutane
04/24/2001CA2036221C Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons
04/18/2001EP1091930A1 C-TERMINAL MODIFIED OXAMYL DIPEPTIDES AS INHIBITORS OF THE ICE/ced-3 FAMILY OF CYSTEINE PROTEASES
04/17/2001US6218586 Fluorination of perhalogenated cyclopentene to perhalogenated cyclopentane using fluorine and hydrogen chloride in presence of metal compound catalyst on active carbon support; saturation
04/04/2001CN1064037C Stilbene-based materials and their preparation
04/03/2001US6211420 Process for the preparation of fluorinated olefin
04/03/2001US6211248 Biocompatible solvent for perfluorocarbons and hydrocarbons
03/2001
03/20/2001US6204296 Patient oxygenation using stabilized fluorocarbon emulsions
03/20/2001US6203724 Crosslinked cyclohexane derivatives, and liquid-crystalline medium
03/07/2001CN1286672A Process for preparation of compounds having-CH2-CHF-groups
03/06/2001US6198011 Fluorinating chlorine containing organic compound comprising reacting in solvent reaction medium organic compound with alkali metal fluoride wherein solvent at least before reaction starts comprises perfluorocarbon
03/06/2001US6197750 C-terminal modified oxamyl dipeptides as inhibitors of the ICE/ced-3 family of cysteine proteases
02/2001
02/27/2001US6194619 For cleaning solid surfaces
02/14/2001EP0670365B1 Cleaning solvent composition and method of cleaning or drying article
02/13/2001CA2147808C Acetylenic biaromatic compounds containing an adamantyl group; pharmaceutical and cosmetic compositions containing them and uses thereof
01/2001
01/17/2001EP1068169A1 Method for chlorinating ketones
01/16/2001CA2142516C Stilbene-based materials, their preparation and use
01/03/2001EP1064243A1 Coupling reactions with palladium catalysts
01/02/2001US6168838 Fluorinated phenantrene derivatives for liquid crystal mixtures
12/2000
12/27/2000EP1062194A1 Processes for purifying perfluorocyclobutane
12/14/2000WO2000075092A1 Process for the manufacture of fluoroolefins
12/05/2000US6156896 Fluorous reaction and separation systems
11/2000
11/30/2000WO2000071497A1 Gas for plasma reaction and method for production thereof
11/16/2000DE10013681A1 Fluorocyclohexene compounds, useful as components in liquid crystal mediums for use in liquid crystal and electrooptical display devices
10/2000
10/31/2000US6139773 Cyclohexane derivatives, and liquid-crystalline medium
10/18/2000CN1270575A Method for producing perhalogenated cyclopentene
10/11/2000EP1043297A1 Process for the preparation of compounds having -ch2-chf- groups
10/05/2000WO2000058241A1 Preparation of selectively fluorinated organic compounds
10/05/2000DE19918009A1 New trans-2,2,6,6-, -3,3,5,5-tetra- and 2,2,3,3,5,5,6,6-octa-fluorocyclohexyl compounds are used in liquid crystal medium in display or dielectric in electrooptical display, e.g. reflective or transflective display
10/05/2000DE19914684A1 New trans-2,2- and -3,3-difluorocyclohexyl compounds are used in liquid crystal medium in display or dielectric in electrooptical display, e.g. reflective or transflective display
09/2000
09/08/2000WO2000051958A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
09/08/2000CA2360507A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
08/2000
08/31/2000WO2000050368A1 An improved process for producing hexabromocyclododecane
08/31/2000CA2362951A1 An improved process for producing hexabromocyclododecane
08/24/2000WO2000048988A1 Phenylalaninol derivatives
07/2000
07/26/2000EP1021389A1 Processes for the preparation of octafluoro- 2,2]paracyclophane
07/12/2000EP1017656A1 Method for producing perhalogenated cyclopentene
06/2000
06/21/2000DE19855757A1 Querverbrückte Cyclohexan-Derivate und flüssigkristallines Medium Cross-bridged cyclohexane derivatives and liquid crystalline medium
06/14/2000EP0820426B1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION
06/07/2000EP1006098A2 Cross-bridged cyclohexane derivatives and liquid crystal medium
05/2000
05/31/2000DE19955932A1 New cyclobutane derivatives, useful as components of liquid crystal media for liquid crystal displays, reflective or trans-reflective displays and electro-optical displays
05/10/2000EP0999195A1 Method for preparing perhalogenated five-membered cyclic compound
05/02/2000US6056895 Fluorocyclohexane derivatives, and liquid-crystalline medium
05/02/2000CA2086841C Near-azeotropic blends for use as refrigerants
04/2000
04/19/2000EP0994089A1 Fluorinated hydrocarbons, detergents, deterging method, polymer-containing fluids, and method of forming polymer films
04/19/2000CN1051540C Azeotropic composition
04/18/2000US6051522 Catalyst which can be used for the preparation of olefins during polymerization
03/2000
03/30/2000WO2000017101A1 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes
03/01/2000EP0982388A1 Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition containing said liquid compound and liquid crystal display device using said composition
03/01/2000EP0982281A1 Fluorinated, saturated hydrocarbons
02/2000
02/15/2000US6025532 Process for the manufacture of hydrofluoroalkanes
01/2000
01/19/2000EP0971867A1 Af4 synthesis
01/18/2000US6015508 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions, and liquid crystal display elements
01/13/2000WO2000001666A1 C-TERMINAL MODIFIED OXAMYL DIPEPTIDES AS INHIBITORS OF THE ICE/ced-3 FAMILY OF CYSTEINE PROTEASES
12/1999
12/15/1999EP0755909B1 Azeotropic composition
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