Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 43 - Ethers; Compounds having groups, groups or groups
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
06/1998
06/30/1998US5772911 Azeotropes with ethyl formate and evaporation
06/25/1998WO1998027179A1 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/25/1998WO1998027042A1 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures
06/25/1998WO1998027041A1 Method of preparing nonafluoroisobutyl methyl ether
06/25/1998WO1998027038A1 1,3,5-trifluoronaphthalene derivatives for liquid crystalline mixtures
06/25/1998WO1998027037A1 1,3-difluoronapthalene derivatives for liquid crystal mixtures
06/25/1998WO1998027036A1 Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
06/25/1998WO1998027035A1 Fluorinated phenantrene derivatives for liquid crystal mixtures
06/25/1998DE19653008A1 Fluorierte Phenanthren-Derivate und ihre Verwendung in flüssigkristallinen Mischungen Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
06/24/1998EP0849247A1 Optically active alcohol and process for the production thereof
06/24/1998EP0849246A2 Derivatives of 4-vinyl-4'-alpha-hydroxyethyl-biphenyl
06/24/1998EP0849244A1 Process for the preparation of distyryl-biphenylic compounds
06/24/1998EP0848694A1 Reducing estrogenicity of alkoxylated compounds and products thereof
06/24/1998EP0736078B1 Chiral liquid crystal compounds having a perfluoroether terminal portion
06/24/1998EP0668855B1 Substituted cyclopentane compounds for use as chelating agents
06/24/1998EP0623102B1 Cyclobutane-benzole derivatives
06/24/1998CN1185742A Protein kinase c inhibitors
06/24/1998CN1185462A Treatment of polyethers prior to hydrosilylation
06/23/1998US5770453 Measuring any electrical properties change after or during exposuring a sample to a calixarenes
06/23/1998CA2222854A1 Triphenylphosphine oxide complex process
06/23/1998CA2176506C Substituted oxindoles
06/18/1998WO1998025874A1 Polymerizable biaryls, method for the production and use thereof
06/18/1998DE19652252A1 1,3-Difluornaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,3-difluoronaphthalene-derivatives and their use in liquid crystal mixtures
06/18/1998DE19652250A1 1,1,5,7-Tetrafluor-1,2,3,4-tetrahydronaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/18/1998DE19652249A1 1,3,5-Trifluornaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 1,3,5-Trifluornaphthalin derivatives and their use in liquid crystal mixtures
06/18/1998DE19652247A1 5,7-Difluor-1,2,3,4-tetrahydronaphthalin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
06/18/1998DE19651439A1 Polymerisierbare Biaryle, Verfahren zur Herstellung und deren Verwendung A polymerizable biaryl compounds, methods of preparation and their use
06/17/1998EP0847378A1 Process for separating butanol and dibutyl ether by means of dual-pressure distillation
06/17/1998CN1184800A Bolaform compounds containing glyerol heads, processes for their prepn. and uses thereof
06/16/1998US5767325 Preparation of enol ethers
06/16/1998US5766610 Useful for treatment of mammalian skin and hair, rheumatism, resipiratory system disorder, cardiovascular and vision disorders
06/16/1998US5766521 Process for obtaining cristallized pearls exhibiting the phenomenon of supercooling
06/16/1998US5766371 Biodegradable low foaming surfactants as a rinse aid for autodish applications
06/10/1998EP0847228A2 Material for organoelectroluminescence device and use thereof
06/10/1998EP0846670A1 Cyclohexane derivatives and liquid-crystal compositions
06/10/1998EP0846094A1 Branched chain compounds and their use
06/10/1998EP0846093A1 Synthesis of glycol ethers
06/10/1998DE19704885C1 Preparation of 3-acetoxy-2-methyl-benzoic acid
06/10/1998DE19650635A1 Liquid crystalline medium with very high specific resistance and low switching voltage
06/10/1998CN1184501A Azeotrope-like compositions and their use
06/10/1998CN1184462A Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device
06/10/1998CN1184461A Novel ether compound and process for producing the same
06/10/1998CN1184103A Cyclopentyl derivatives
06/10/1998CN1038670C Cyclohexanone derivative, cold sensitive agent and cold sensitive composition containing same and preparation of said derivative and its intermediate
06/09/1998US5763719 Thermally stable fullerene derivatives and process for producing the same
06/09/1998US5763712 Process for the preparation and fractionation of a mixture of dimethyl ether and chloromethane with methanol as extractant
06/09/1998US5763700 Insecticides
06/09/1998US5763685 Use of a second stage reactor in the manufacture and recovery of methyl tertiary butyl ether
06/09/1998US5763684 Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether
06/09/1998US5763683 2-methylbutoxy ethoxyethanol
06/09/1998US5763681 Synthesis of stable, water-soluble chemiluminescent 1,2-dioxetanes and intermediates therefor
06/09/1998US5763651 Process for manufacturing polyene esters and acids
06/09/1998US5763560 Treating benzaldehyde derivative with zinc and active chloride in an organic solvent
06/09/1998US5763487 Skin disorders, cardiovascular disorders and cosmetics
06/09/1998US5762651 Dustproofing agents
06/09/1998CA1339903C Process for the preparation of surfactants having improved physical properties
06/04/1998WO1998023569A1 Process for purifying perfluorovinyl ethers
06/04/1998WO1998023566A1 Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
06/04/1998WO1998023564A1 Fluorine-substituted benzene derivatives, liquid-crystal composition, and liquid-crystal display element
06/04/1998WO1998023563A1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays
06/04/1998WO1998023562A1 3,3'-difluorobiphenyl derivatives, liquid crystal compositions, and liquid crystal display elements
06/04/1998WO1998023561A1 Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements
06/03/1998EP0845450A2 Optically active alcohol and process for the production thereof
06/03/1998EP0845449A1 Ethoxylate mixture and a cleaning composition for hard surfaces containing the ethoxylate mixture
06/02/1998US5760282 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
06/02/1998US5760266 Method for the cyclotrimerization of alkynes in aqueous solutions
06/02/1998US5760240 Taxoid synthesis
06/02/1998US5759443 Cyclopentyl derivatives
06/02/1998CA2019013C Process to improve the therapeutic efficacy of fat-soluble corticosteroids and composition for the application of this process
05/1998
05/28/1998WO1998022435A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds
05/28/1998WO1998022419A1 Method for preparing a 4-hydroxybenzaldehyde and derivatives
05/28/1998WO1998022418A1 Substituted phenols and thiophenols useful as antioxidant agents
05/28/1998WO1998022416A1 Process for the preparation of benzyl-ethers
05/28/1998DE19647991A1 Stable, liquid crystalline or mesogenic halo-vinyl ether with high nematogenicity
05/28/1998CA2272384A1 Process for the preparation of benzyl-ethers
05/27/1998EP0844295A1 Liquid crystal composition and liquid crystal display element
05/27/1998EP0844229A1 Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them
05/27/1998CN1038504C Cyclopentane derivatives
05/26/1998US5756863 Process for preparing optically active cyclohexanol derivatives
05/26/1998US5756858 Process for the preparation of substituted phenylacetic acid derivatives and novel intermediates
05/26/1998US5756857 Multistage reaction with benzyl halide and sodium or sodium hydride, hydroborating, alkylation and catalytic hydrogenation, then debenzylation
05/26/1998US5756851 Debromination; separation; methylation; etherification; contacting 2-bromo-6-methoxynaphthalene with methyl vinyl ketone; hydrogenation
05/26/1998US5756834 Process for preparing fluorinated aromatics
05/26/1998US5756814 Vinyl compound, its synthetic intermediates and processes for producing the same
05/26/1998US5756770 Synthesis of stable, water-soluble chemiluminescent 1,2-dioxetanes and intermediates therefor
05/22/1998WO1998021172A1 Phenyl polyhaloalkyl ether derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
05/20/1998EP0842964A1 Treatment of polyethers prior to hydrosilylation
05/20/1998EP0842916A1 Bolaform compounds of glycerol, processes for their preparation and their uses
05/20/1998EP0842208A1 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
05/20/1998EP0841908A1 1,3,3-(trisubstituted)cyclohex-1-ene dimers and related compounds
05/20/1998EP0741681B1 Process for producing 3-aryl propines and novel 3-aryl propines
05/20/1998CN1182073A New technology of normal-temperature dissolution of high-concentration sodium alkylether sulphate
05/19/1998US5753776 Liquid-phase fluorination
05/19/1998US5753738 Branched alkoxy ethoxyethanol compounds; improved water solubility
05/19/1998CA2043455C Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts
05/14/1998WO1998019997A2 Dihydropyrones with improved antiviral activity
05/14/1998WO1998006691A3 Low molecular weight dendritic compounds as pharmaceutical agents
05/14/1998CA2263429A1 Dihydropyrones with improved antiviral activity
05/14/1998CA2217341A1 Bolaform compounds having glycerol ends, processes for their preparation and uses
05/13/1998EP0841321A1 Aromatic ethers of polyalkylphenoxyalkanols and fuel compositions containing the same
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