Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
04/1999
04/29/1999WO1999020589A1 Medicinal uses of phenylalkanols and derivatives
04/29/1999WO1999020588A1 Preparation of isoflurane by reaction of 2,2,2-trifluoroethyl difluoromethyl ether and chlorine in added water, at low temperatures and/or at higher conversions
04/28/1999EP0911312A1 Fluorinated hydrocarbon compound and process for its preparation, and refrigerator oil and magnetic recording medium lubricant
04/28/1999EP0911309A1 Process for producing fluorene or its derivatives
04/28/1999EP0910560A1 Process for preparing 2-aryl-substituted indenes
04/28/1999EP0910328A1 Aqueous nacreous lustre concentrate
04/28/1999EP0802894B1 Process for preparing alkyl tertiary-alkyl ether
04/28/1999EP0749976B1 Anthracycline derivatives containing trifluoromethylated sugar unit
04/28/1999EP0740677B1 Polyether glycols and alcohols derived from 3,4-epoxy-1-butene
04/28/1999EP0544795B1 Semiconductive copolymers for use in luminescent devices
04/27/1999US5898091 Selective hydrogenation, etherification, separation of oxygen containing impurities and methasis
04/27/1999US5898087 Contacting formaldehyde solution with amine stabilizer; heating, aging, condensation polymerization; transferring through nozzle to form prills; countercurrent gas flow; solidification
04/22/1999WO1999019558A2 Use of malonaldehyde derivatives for dyeing fibres containing keratin
04/22/1999WO1999019420A2 5-arylindane derivatives and ferroelectric liquid crystal mixture containing same
04/22/1999WO1999019289A1 Recovery and recycle of catalyst components used in palladium-catalyzed preparation of arylcarboxylic acids
04/22/1999WO1999019287A1 Process of preparing a mixture of dimethyl ether and methanol from carbon dioxide
04/22/1999WO1999019275A1 Process for electrophilic aromatic substitution
04/22/1999WO1999018793A1 Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
04/22/1999DE19816939A1 Fluorine-containing ether compounds
04/22/1999DE19816938A1 Fluorine-containing ether cpds.
04/22/1999CA2306425A1 Recovery and recycle of catalyst components used in palladium-catalyzed preparation of arylcarboxylic acids
04/22/1999CA2305614A1 Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
04/21/1999EP0909286A1 Orthoester-based polymer as well as preparation and use thereof
04/21/1999EP0909267A1 Novel 1,3-diphenylpropane derivatives having inhibitory activity against tyrosinase and process for preparation thereof
04/21/1999EP0743938B1 Substituted spiro compounds for the treatment of inflammation
04/21/1999EP0643680B1 Process for preparing methyl and ethyl ethers
04/21/1999CN1214674A Polyether amino acid ester compound, preparation method and use thereof
04/15/1999WO1999018075A1 Novel dihydronaphthalene compounds and process for producing the same
04/15/1999DE19745292A1 Use of malonaldehyde derivative and coupler for dyeing keratinous fibers, especially human hair
04/15/1999CA2298527A1 Novel dihydronaphthalene compounds and process for producing the same
04/14/1999EP0908439A1 Use of substituted 5-phenyl-pentanols as flavour and perfume
04/14/1999EP0908173A2 Use in perfumery of 1-methoxy-2-methyl-3-phenylpropane,1-(2-methoxypropyl)-4-methylbenzene and 3-methoxy-2,2,3,-trimethyl-1-phenylbutane
04/14/1999EP0907629A1 Method for the preparation of dialkyl ethers
04/14/1999CN1214036A Bisalkenyl derivatives, liquid crystalline compounds and liquid crystal compsns.
04/14/1999CN1042930C Ether recovery
04/13/1999CA2132320C Process and apparatus for preparing tertiary alkyl ethers
04/13/1999CA2045553C Process for the preparation of vinyl ethers
04/07/1999EP0906899A1 Process for the separation of the divinylether of diethylenglycol or triethylenglycol from the monovinylether of the corresponding oligoethylenglycol
04/07/1999EP0906299A1 Process for preparing tetrahydrofuran from dialkoxybutenes
04/07/1999EP0782565B1 Iodinated x-ray-contrast media
04/07/1999EP0696268B1 Ethylene glycol recovery process
04/06/1999US5892131 Bromination 4-aryl-2-fluoro-2-buten-1-ol; reacting with boronic acid in presence of a palladium catalyst
04/06/1999US5892129 Process for the preparation of 1,1,3-trialkoxypropane
04/06/1999US5892064 Chemiluminescent dialkyl-substituted 1,2-dioxetanes, methods of synthesis and use
04/06/1999US5892052 Process for making retroviral protease inhibiting compounds
04/06/1999US5892007 Protecting at least one group in at least one compound in a mixture of compounds to be separated with a multiple fused ring protecting group, passing the mixture through a chamber filled with a reverse phase silica gel or polystyrene material
04/06/1999US5891360 Phenylcyclohexanes and a liquid-crystalline medium
04/06/1999US5891358 Liquid crystal mixtures and devices
04/06/1999CA2077606C Inhibited 141b
04/01/1999WO1999015603A1 Composition preventing polymerisation of ethylenically unsaturated monomers
04/01/1999WO1999015487A1 Benzyl-biphenyls and analogous compounds and the application thereof in order to treat arteriosclerosis and dyslipidaemia
04/01/1999WO1998052898A9 Pharmaceutical agents for the treatment of cerebral amyloidosis
04/01/1999WO1998012164A3 PROCESS FOR PRODUCING n-BUTYLALKYL ETHERS
04/01/1999CA2304274A1 Benzyl-biphenyls and analogous compounds and the application thereof in order to treat arteriosclerosis and dyslipidaemia
03/1999
03/31/1999EP0905117A1 A method for producing an optically active acyloin
03/31/1999EP0904048A1 Pro-fragrance compound
03/30/1999US5888688 Fixing a toner
03/30/1999US5888471 Synthetic crystalline porous material containing oxides of silicon, titanium and gallium
03/30/1999US5888423 Fluorobenzyl ether derivatives
03/30/1999US5888422 Fluorinated phenanthrene derivatives and their use in liquid-crystal mixtures
03/25/1999WO1999014175A1 Perfluoroalkyl haloalkyl ethers and compositions and applications thereof
03/25/1999WO1999014174A1 Substituted tetrahydronaphthaline and analogous compounds
03/25/1999DE19832159A1 New tetrahydronaphthalene derivatives
03/25/1999DE19741400A1 New benzyl-biphenyl derivatives
03/24/1999EP0903332A1 Process for preparing substituted phenylpropenen
03/24/1999EP0815068A4 Dimethyl ether production and recovery from methanol
03/24/1999EP0789745B1 Softening agents having improved re-wetting ability
03/24/1999EP0745063B1 Substituted biphenyl derivatives as phosphodiesterase inhibitors
03/24/1999EP0628530B1 Acetylene derivatives, process for producing the same, liquid crystal composition containing the same as active ingredient, and liquid crystal element made therefrom
03/23/1999US5886240 Process for preparing aromatic acetylenes using palladacycles as catalysts
03/23/1999US5886239 Method of preparing monofluoromethyl ethers
03/23/1999US5886238 Alkene precursors for preparing chemiluminescent dialkyl-substituted 1,2-dioxetane compounds
03/23/1999US5886233 Chemical intermediates for vitamin d
03/23/1999US5886215 2-acetoxymethyl-4-halo-butyl-1-yl acetates
03/23/1999US5886177 Phosphate linked oligomers
03/23/1999US5886036 Treating hiv infections
03/23/1999US5886025 Methoxy and ethoxy substituted 3-aroyl-2-arylbenzo(b)thiophenes and benzo(b)thiophene analogues
03/18/1999WO1999013011A1 Novel dispersion colour compositions
03/18/1999WO1999012892A1 Substituted alkenoic acids and their derivatives
03/18/1999WO1999012885A1 Substituted alkenoic acids and their derivatives
03/18/1999WO1999012879A1 Fluoroalkoxybenzene derivatives having ether bond, liquid-crystal composition, and liquid-crystal display element
03/17/1999EP0902000A1 A method of preparing 1, 1-Dialkoxycycloalkanes
03/17/1999EP0901999A1 Method for the preparation of sevoflurane
03/17/1999CN1211232A Benzamidine derivatives substituted by amino acid and hydroxy acid derivatives and their use as anti-coagulants
03/16/1999US5882628 Contrast media
03/16/1999US5882485 Extractive distillation
03/11/1999WO1999011607A1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile
03/11/1999WO1999011594A1 Alkyl cyclohexanol alkoxylates and method for making same
03/11/1999WO1999011593A1 Cold-stable fatty alcohol alkoxylates
03/11/1999DE19829097A1 Substituierte Alkensäuren und ihre Derivate Substituted alkenoic and their derivatives
03/11/1999CA2302047A1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile
03/10/1999EP0900186A1 Process for the manufacture of hydroxycarbonyl compounds
03/10/1999CN1210526A Process for preparing tetrahydrofuran from dialkoxybutenes
03/10/1999CN1210100A Bromine compound production method
03/09/1999USRE36139 Hydroquinone derivative
03/09/1999US5880162 Pesticidal fluoroolefins
03/09/1999US5879585 Exhibit good miscibility with other liquid crystalline compounds; useful for display of watches, computer terminals, and televisions
03/04/1999WO1999010310A1 Process for producing diphenylethers and esters
03/04/1999WO1999010303A1 Radiation-curable propenyl compounds, uses thereof, and compositions containing them
03/04/1999DE19738108A1 Kältestabile Fettalkoholalkoxylate Cold-stable fatty alcohol