Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
03/1994
03/17/1994WO1993025530A3 Vinyl arenas having retinoid-like activity
03/17/1994WO1993024603A3 Liquid cleaning products
03/16/1994EP0587050A1 Process for the preparation of an aromatic group substituted olefins from chloroaromatics
03/16/1994EP0586405A1 NOVEL 2H-BENZO b]PYRANE DERIVATIVES SUBSTITUTED IN THE 4 POSITION BY ARYL OR N-HETEROARYL, PROCESS FOR PRODUCING THEM AND PREPARATIONS CONTAINING THE COMPOUNDS.
03/16/1994EP0425643B1 Octadienyl ethers and a process for making octadienyl ethers
03/16/1994EP0341295B1 Process for producing 4,4'-dibromodiphenyl ether
03/15/1994US5294744 Methylation of phenol with dimethyl carbonate in the presence of tertiary-amine base and formylation in the presence of trifluoroacetic acid with hexamethylenetetramine
03/15/1994US5294724 4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters and a process for their preparation
03/15/1994US5294359 Refrigerant compositions
03/15/1994US5294305 Heating to dissolve oligomers; ion exchanging, distilling
03/09/1994EP0586343A1 Colour photographic recording material
03/09/1994EP0585267A1 Herpesvirus particles and vaccine
03/09/1994EP0585265A1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content.
03/09/1994CN1083468A Process for preparation of diethylene glycol monomethyl (dimethyl) ether
03/09/1994CN1083467A Production of bis (fluoromethyl) ether and difluoromethane
03/09/1994CN1083466A Synthesis of desflurant
03/08/1994US5292977 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin D and analogues
03/08/1994US5292965 Monomethoxy propoxylated glycerol
03/08/1994US5292963 Continuous, polyimide separating membrane
03/08/1994US5292962 Intermediates to 1-phenyl-3-naphthalenyloxy-propanamines
03/08/1994US5292961 Process for the preparation of halogenated polyethers
03/08/1994US5292927 Fluorinated resins with low dielectric constant
03/08/1994US5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation
03/08/1994US5292897 Process for preparing halo acetals from enamines
03/08/1994CA1327613C Process for removing impurities from an aromatic stream
03/08/1994CA1327603C Process for preparing tertiary and secondary alcohols by reaction of an organo-manganous compound with a carbonyl group containing compound
03/03/1994WO1994004478A2 Process and device for preparing diglycerine
03/02/1994CN1083055A Pharmaceuticals
03/01/1994US5290939 Process for the manufacture of brofaromine and analogs thereof
03/01/1994US5290817 Antiinflammatory, antiallergenic agents
03/01/1994US5290658 Positive type photoresist composition comprising polyaromatic hydroxy quinone diazide esters as the photosensitive ingredient
03/01/1994US5290478 Nitrile containing naphthylene compound
02/1994
02/24/1994DE4227772A1 2-Fluoro-perfluoroalkyl-cyclohexane derivs. - useful as components of liq. crystal media for electro optical display elements
02/23/1994EP0584046A1 Carbamic acid amide derivatives and their use as pesticides
02/23/1994EP0583719A1 Compositions comprising the 1-chloro-2,2,2-trifluoroethyl difluoromethyl ehter and partially fluorinated alcanols
02/23/1994EP0583540A1 Synthesis of desflurane
02/23/1994CN1082590A Refrigerant compositions including pentafluorodimethyl ether
02/22/1994US5288923 Reacting polycarbonate wastes with alkylene diol and basic catalysts
02/22/1994US5288742 α,α dialkylbenzyl derivatives
02/22/1994US5288428 Electrooptics
02/22/1994US5288376 Preparation of perfluorooligoether iodides
02/21/1994CA2104317A1 Carbamic acid derivatives
02/17/1994WO1994003467A2 Antiretroviral enantiomeric nucleotide analogs
02/16/1994EP0582923A1 Thermo-oxidative stabilization of oxyalkylene glycol ethers with hindered phenols
02/16/1994EP0582757A1 Propenyl group-containing naphthalene derivatives and curable resin compositiona containing them
02/16/1994CN1082025A Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
02/16/1994CN1082020A Process for preparing trimethylolpropane diene propylether
02/15/1994US5286825 Partially fluorinated compounds and polymers
02/15/1994US5286396 Alkylated phenoxathin base stock for lubricants
02/15/1994CA2091048A1 Synthesis of desflurane
02/15/1994CA1327038C Anticancer compounds
02/09/1994EP0582489A1 Ferroelectric liquid crystal compounds with cyclohexenyl cores and compositions containing them
02/09/1994EP0582317A2 Synthesis of 1,2-dioxetanes and intermediates therefor
02/09/1994CN1081666A Production method for polyglycol dimethyl ether
02/09/1994CN1023699C Difluoromethyl compounds preparing method
02/03/1994WO1994002564A1 Refrigerant compositions including pentafluorodimethyl ether
02/03/1994WO1994002465A1 INHIBITORS OF c-AMP PHOSPHODIESTERASE AND TNF
02/02/1994EP0581530A1 Catalytic removal of peroxide contaminants from a methanol-tertiary butyl alcohol recycle stream
02/02/1994EP0581097A1 Process for the preparation of E,Z-butenedial bis-dialkyl acetals
02/02/1994EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds.
02/02/1994CN1023634C Homogeneous phase-transfering catalyst for liquid and its prodn, and use
02/01/1994US5283372 Preparation of purified optical isomers of desflurane
02/01/1994US5283352 Transferase inhibitor
02/01/1994US5283237 Use in perfumery of 2(1-vinyl-5-hexenyl) cyclopentanone, a process for preparing same, and process intermediates
02/01/1994CA1326680C N-acyl-n-naphthoylglycines as aldose reductase inhibitors
02/01/1994CA1326668C Ethers and thioethers having therapeutical activity, their preparation and pharmaceutical compositions containing them
01/1994
01/31/1994CA2075002A1 Reactor quenching for catalytic olefin hydration in ether production
01/29/1994CA2087236A1 Catalytic removal of peroxide contaminants from a methanol-tertiary butyl alcohol recycle stream
01/27/1994DE4323307A1 Herstellung und Polymerisation von Perfluoralkoxyalkylenoxiden zur Herstellung von hydrophoben Polyethern Preparation and polymerization of Perfluoralkoxyalkylenoxiden for the production of hydrophobic polyethers
01/27/1994DE4322905A1 New chiral 2,6-di:fluoro benzene derivs. and liq. crystal media contg. such derivs. - useful for electro=optic and supertwist liq. crystal indicators for phase change displays and as dopants for nematic liq. crystal phases for STN and active matrix indicators.
01/27/1994DE4224364A1 Prepn. of mixed benzyl ether(s) with neutral odour - by reacting fatty alcohol polyglycol ether with minor amt. of benzyl halide in presence of alkali and treating crude prod. with alkyl halide
01/26/1994EP0579636A1 Process for producing fatty alcohol polyalkylene glycol ethers
01/26/1994EP0357671B1 Improved process for preparing aromatic fluorides
01/26/1994EP0329670B1 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof
01/26/1994CN1081177A Method to manufacture ethylene glycol methyl ethers
01/26/1994CN1081176A Method to manufacture ethylene glycol ethyl ethers
01/25/1994US5281731 Synthesis of 19-nor vitamin D compounds
01/25/1994US5281695 Perfluoropolyether compound
01/24/1994CA2084425A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified zeolite catalysts
01/20/1994WO1994001389A1 Method of preparing polyol alkyl ethers
01/20/1994DE4223501A1 New di:fluoro-allyl-benzene cpds. and use in liquid crystal media - esp. dielectric for electrical optical display with favourable optical and dielectric anisotropy and good low temp. property
01/19/1994EP0579021A1 Process for preparing haloaromatics
01/19/1994EP0397802B1 Complete ether capping of oligomeric polyphenols
01/18/1994US5280048 Antiinfection agent
01/18/1994US5280041 Methyldioxolan
01/18/1994US5279764 Dihalogenobenzene derivatives
01/18/1994CA1326244C Alkoxylation using a calcium sulfate catalyst
01/13/1994DE4222371A1 New liq. crystal cpds. with terminal chloro or mono-, di- or tri-fluoro gp. - having low viscosity, relatively high dielectric ansiotropy and nematogenity, good performance at low tenmps. and good suppression of smectic phases
01/13/1994DE4222183A1 Verfahren zur Herstellung von Polyalkylethern A process for preparing polyalkyl ethers
01/12/1994EP0578080A2 3,9-disubstituted-spiro (5.5)undecanes active on the cardiovascular system, process for their preparation and pharmaceutical composition containing same
01/12/1994EP0578054A1 Meta-substituted six membered aromatic rings for use in liquid crystal mixtures
01/12/1994EP0577979A1 Cyclopolymerizable fluor compounds, process for their preparation and thermoplastic fluoro polymers obtained therefrom
01/12/1994EP0577785A1 Fluorinated compounds as oxygen transport agents
01/12/1994EP0445221B1 Styrene terminated multifunctional oligomeric phenols as new thermosetting resins for composites
01/12/1994EP0374184B1 Cell growth inhibitors and methods of treating cancer and cell proliferative diseases
01/11/1994US5278342 Vapor phase chlorination of difluoromethyl methyl ether
01/11/1994US5278340 Oligohexafluoropropylene oxide derivative and process of producing the same
01/06/1994WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds
01/06/1994WO1994000412A1 Process for producing fluorinated vinyl ether
01/05/1994EP0577464A1 Process for the preparation of a tertiary alkyl ether comprising a finishing reaction zone