Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/1989
10/10/1989US4873349 Ruthenium catalyst for biarylic coupling; new steganolides
10/10/1989US4873019 Liquid crystals
10/10/1989US4873017 Heterogeneous alkoxylation using anion-bound metal oxides
10/04/1989EP0335355A2 Bis-(hydroxymethyl) cyclobutyl purines and pyrimidines
10/03/1989US4871882 Process for the preparation of decabromodiphenyl ether with improved thermal stability
10/03/1989US4871868 Production of substituted acetylenic compounds
10/03/1989US4871831 Functionalized with both saturated and unsaturated halides
10/03/1989US4871821 Toughness
10/03/1989US4871469 Trifluorotoluene derivatives
09/1989
09/27/1989EP0334702A1 Process for the production of tertiary alkylether by reactif distillation
09/27/1989EP0334119A1 Compounds for inhibiting the biosynthesis of lipoxygenase-derived metabolites of arachidonic acid
09/27/1989EP0334097A2 Process for the preparation of 4,4'-Dihalogeno-bisphenyls
09/27/1989EP0333984A2 Process for the preparation of polyglycerins
09/26/1989US4870218 Trihalobenzene compounds
09/26/1989US4870088 Animals and plants
09/26/1989US4870064 Dipropargyloxybenzene compounds and their production
09/26/1989CA1261869A1 Preparation of monoalkylated dihydroxybenzenes and compounds prepared thereby
09/26/1989CA1261356A1 Process for production of m-phenoxybenzyl alcohol
09/26/1989CA1260019A1 Process for the preparation of oxygen-containing organic compounds and paraffinic hydrocarbons
09/26/1989CA1260018A1 Alkoxylation process using bimetallic oxo catalyst
09/26/1989CA1260017A1 Alkoxylation process using bimetallic oxo catalyst
09/21/1989WO1989008637A1 Derivatives of 2,3-difluorohydroquinone
09/21/1989WO1989008633A1 Difluorobenzol derivatives
09/21/1989WO1989008632A1 Derivatives of 2,3-difluorophenol
09/21/1989WO1989008630A1 Method for the halogenation of aromatic compounds
09/21/1989DE3807957A1 Derivate des 2,3-difluorphenols Derivatives of 2,3-difluorophenol
09/21/1989DE3807872A1 Difluorbenzolderivate Difluorobenzene derivatives
09/20/1989EP0333078A1 Method for one-step synthesis of methyl t-butyl ether
09/20/1989EP0333077A1 Method for one-step synthesis of methyl t-butyl ether
09/20/1989EP0333076A1 Method for one-step synthesis of methyl T-butyl ether
09/19/1989US4868343 Acid catalyzed process
09/19/1989US4868342 Alkylation and dehydrogenation process for the production of propylene and high octane components
09/19/1989US4868341 Bicyclohexyls
09/19/1989US4867904 Bicyclooctane derivatives
09/19/1989CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS
09/13/1989EP0332601A1 Novel perfluorinated polyethers and process for their preparation
09/13/1989EP0332525A1 Process for the preparation of a tertiary alkyl ether by reactive distillation
09/13/1989EP0332243A1 Process for preparing normally liquid hydrocarbonaceous products from a hydrocarbon feed containing linear-and branched olefins
09/13/1989EP0332015A1 Adhesive
09/13/1989EP0332007A1 Derivatives of 2,3-difluorohydroquinone
09/13/1989EP0331846A2 Separation of organic liquids
09/13/1989CN1035494A Cyclopropane derivatives
09/13/1989CN1035492A Process for catalytic hydration of olefins
09/13/1989CN1035491A Process for catalytic hydration of olefins
09/12/1989US4866211 Hydrocarbon conversion processes
09/12/1989US4866020 Lithiated clays and uses thereof
09/12/1989CA1259337A1 Combined ether and alkylate production
09/06/1989EP0331466A1 Carbon dioxide calcination of methanol dissociation catalysts
09/06/1989EP0331307A2 Perfluoroalkyl polyether glycols and their use
09/06/1989EP0330995A2 Bicyclic ethers
09/05/1989US4864054 Isomerization of allyl ethers
09/05/1989US4863943 Fungicides containing triazole and oligoether groups
08/1989
08/30/1989EP0330614A2 Wettable, flexible, oxygen permeable, swellable contact lens containing polyoxyalkylene backbone units, and use thereof
08/30/1989EP0330613A2 Compositions and method for inhibiting corrosion
08/30/1989EP0329874A1 Recovery of methanol in an MTBE process
08/30/1989EP0329670A1 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof.
08/29/1989CA1258855A1 Substituted cinnamyl-2,3-dihydrobenzofuran and analogs useful as anti-inflammatory agents
08/23/1989EP0329124A2 Metabolites of pentanedioic acid derivatives
08/23/1989EP0215120B1 Cyclohexane derivatives
08/22/1989US4859802 Process for removing contaminants from dialkyl ethers of polyalkylene glycols
08/22/1989US4859747 Perfluorination of ethers in the presence of hydrogen fluoride scavengers
08/16/1989EP0329670A4 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof.
08/16/1989EP0327985A1 Process for the preparation of vinyl ethers
08/16/1989EP0248861B1 Dispirotetradecane
08/16/1989CN1034706A Process for intermediates for insecticidal compounds
08/16/1989CN1034705A Process for production of ehters and alcohols
08/15/1989US4857664 Process for the production of ether and alcohol
08/15/1989CA1258471A1 Process for the preparation of optionally substituted 2-benzyl-toluenes
08/10/1989WO1989005288A3 Complete ether capping of oligomeric polyphenols
08/09/1989EP0327455A1 Alkyl or benzyl ethers of phenol, processes for their preparation and their therapeutical use
08/09/1989EP0326854A1 Process for the preparation of alkylene glycol dialkyl ethers
08/09/1989CN1034532A Process for production of ethers
08/08/1989US4855520 Reacting a 1,3-diphenylpropargyl alcohol with an alkanesulfony l halide; hindered amine base
08/08/1989US4855517 Reacting aromatic nitro compounds with bromine in the gas phas e
08/08/1989US4855513 Chlorination of phenolic compounds
08/08/1989US4855511 Di- and trichloromethyl-acetyl chlorides
08/08/1989US4855323 Leukotriene antagonists, a process for the preparation thereof, and the use thereof for the treatment of diseases
08/08/1989US4855112 High efficiency apparatus for aerosol direct fluorination
08/08/1989US4855075 Detergents; water softening; self-sequestering; pollution control
08/01/1989US4853151 Liquid crystals
07/1989
07/27/1989DE3802044A1 Use of strontium salts of ethercarboxylic acids as catalysts for alkoxylation
07/26/1989EP0325126A1 Fluorine-containing 1-aryl alkoxytris(dialkyl amino)phosphonium salts, and process for their preparation and their use
07/26/1989EP0325072A1 Preparation of tertiary and secondary alcohols by the action of an organomanganic compound on a compound bearing a carboxyl group
07/25/1989US4851603 Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives
07/25/1989US4851587 Methallyl chloride, amine, basic alkali metal compound; intermediate for carbofuran insecticide
07/25/1989US4851586 Lipoxygenase and leukotriene inhibitors, antiinflammatory, antisecretory
07/25/1989US4851585 Synthetic vitamin e
07/25/1989US4851538 Coupling a haloaromatic compound using carbon monoxide, an alkaline medium and a supported palladium catalyst; efficiency; kinetics
07/19/1989EP0324475A1 One-step process for dimethyl ether synthesis utilizing a liquid phase reactor system
07/19/1989EP0324191A1 Tert.-butyl alkynols
07/18/1989US4849547 Method for the preparation of decabromodiphenyl ether
07/18/1989US4849401 Perfume
07/18/1989CA1257595A1 5-halovinyl-2'-deoxyuridine derivatives
07/13/1989WO1989006226A1 Synthesis of 1,2-dioxetanes and intermediates therefor
07/11/1989US4847431 Process for manufacturing a tertiary alkyl ether by reactive distillation
07/11/1989US4847430 Process for manufacturing a tertiary alkyl ether by reactive distillation
07/11/1989US4847429 Alkylation, acid catalysts, dehydrogenation
07/11/1989US4847428 Purification of halogenated aromatic compounds
07/11/1989US4847427 Process for preparing fluorocarbon polyethers
07/11/1989US4847425 Catalytic hydrogenation, etherification