| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 05/01/2001 | US6225511 Synthesis of fluorinated ethers |
| 05/01/2001 | US6225500 Aromatic compounds used in engineering resins, pharmaceuticals, diagnostics and combinatorial chemistry |
| 05/01/2001 | CA2317002A1 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate |
| 05/01/2001 | CA2063020C A process for production of an ether-rich additive |
| 04/26/2001 | WO2001028971A1 Method for preparing chiral ester |
| 04/26/2001 | CA2387950A1 Method for preparing chiral ester |
| 04/25/2001 | CN1292373A 1,1,4,4-tetramethoxy-2-butylene preparation |
| 04/19/2001 | WO2001027122A1 Pre-cursor for radiodiagnostic agents and the production thereof |
| 04/19/2001 | WO2001027060A1 Method for production of aryl alkyl ethers |
| 04/19/2001 | WO2001026807A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation |
| 04/19/2001 | WO2000048973A3 Methods for decomposing esters and purifying alcohols |
| 04/19/2001 | CA2388218A1 Method for production of aryl alkyl ethers |
| 04/19/2001 | CA2383653A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation |
| 04/18/2001 | CN1291605A Process for preparing 4-(2-alkoxyethyl) phenol by phase-transfer catalysis |
| 04/18/2001 | CN1064664C Chlorination of difuoromethyl methyl ether |
| 04/18/2001 | CN1064663C Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with water as extractant |
| 04/17/2001 | US6218583 Etherification of alcohols using liquid acid catalyst; azeotropic distillation, extraction, separation, circulation |
| 04/17/2001 | US6218582 Method for the reduced formation of tertiary butyl alcohol in a finishing reactor in the manufacture of methyl tertiary butyl ether |
| 04/17/2001 | US6218580 Reacting alcohol in presence of acid-stable hydrogenation catalyst |
| 04/12/2001 | DE19948672A1 Preparation of dialkyl ether comprises condensing primary alcohol with alcohol or carbonyl compound using infrasonics and condensing using hydrogen or an inert gas |
| 04/10/2001 | US6215029 Acylation of dichlorobenzene; catalytic etherification with chlorinated phenol in base and copper compound presence; oxidation, hydrolysis |
| 04/10/2001 | US6214253 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 04/05/2001 | WO2001023338A1 Method for preparing substituted mixed alkynyl ethers |
| 04/05/2001 | DE19946816A1 Production of 1,1,4,4-tetramethoxy-2-butene, useful for the production of approximatelyb-carotene, comprises reaction of 2,5-dimethoxydihydrofuran with methanol in the presence of an acidic solid catalyst. |
| 04/04/2001 | EP1087922A1 Production of mibk using catalytic distillation technology |
| 04/04/2001 | EP1087921A1 Anti-aging agent for glycols or glycol ethers |
| 04/04/2001 | EP0912465B1 Improved lithium and amine dissolving metal reduction |
| 04/04/2001 | CN1289751A Process for preparing ether and its alcohol-ether mixture |
| 04/04/2001 | CN1064037C Stilbene-based materials and their preparation |
| 04/03/2001 | US6211416 Reacting acetal or ketal with acetylene or allene in gas phase in presence of catalyst selected from zinc- or cadmium-silicon- and oxygen-containing heterogeneous catalyst |
| 04/03/2001 | US6211254 Pyrolysis of wastes to form synthesis gas product, gravity separation of product, quenching minerals |
| 04/03/2001 | US6211114 Catalyst and process for preparing 2-buten-1-ol compounds |
| 03/29/2001 | WO2001021616A1 Carbon dioxide-philic compounds and methods of synthesis thereof |
| 03/29/2001 | WO2001021566A1 Process for preparing partial oxidates of lower alcohols |
| 03/29/2001 | WO2001021565A2 Process for producing 3-bromobenzoyl halides |
| 03/29/2001 | CA2385329A1 Carbon dioxide-philic compounds and methods of synthesis thereof |
| 03/29/2001 | CA2385315A1 Process for producing 3-bromobenzoyl halides |
| 03/28/2001 | EP1086153A1 A solid support based on selenium useful in solid phase synthesis |
| 03/28/2001 | EP1086070A1 Method for condensing one or more carbonyl compounds on carbocylic aromatic thioethers or ethers in an acid medium |
| 03/28/2001 | CN1063739C Method of purifying acifluorfen |
| 03/27/2001 | US6207845 Aluminum compounds and use thereof |
| 03/27/2001 | CA1341210C Synthesis of 1,2-dioxetanes and intermediates therefor |
| 03/21/2001 | EP1084712A2 X-ray contrast agents |
| 03/21/2001 | EP1084091A1 Method for producing alkyl chloride, alkenyl chloride and alkinyl chloride |
| 03/21/2001 | EP1083991A1 Method and catalyst for the oxidative carbonylation of dienes |
| 03/21/2001 | CN1063352C Method for processing light cracked naphtha contg. isopentylene, and distallation column reactor therefor |
| 03/20/2001 | US6204299 Foaming agents used to prepare closed cell polyurethane foams |
| 03/20/2001 | US6203721 For grafting a substituted difluoromethyl group onto a compound containing electrophilic group |
| 03/15/2001 | WO2001017937A1 Method for producing dimethylether |
| 03/15/2001 | WO2001017931A2 Regeneration of onium fluoride-hf adducts |
| 03/15/2001 | DE19943219A1 Verfahren zur Herstellung von Dimethylether A process for producing dimethyl ether |
| 03/15/2001 | DE10036423A1 Preparation of monoalkyl glyceryl ether, useful as e.g. emulsifier, dispersant or detergent, involves reacting 2-substituted 4-hydroxymethyl-1,3-dioxolane with conjugated diene, hydrogenating alkadienyl ether and hydrolyzing ketal |
| 03/14/2001 | EP0934241B1 Production of 6-bromo-2-methoxynaphthalene and derivatives |
| 03/13/2001 | CA2021328C Stereoselective preparation of z-1,2-diarylallyl chlorides and the conversion thereof into azolylmethyloxiranes and novel intermediates |
| 03/08/2001 | WO2001016064A1 Diolefin/hydroxyaryl condensates and catalyst therefor |
| 03/08/2001 | WO2001016057A1 Coupling reactions using palladium catalysts |
| 03/08/2001 | DE19956365A1 Regenerierung von Oniumfluorid-HF-Addukten Regenerating onium fluoride-HF adducts |
| 03/07/2001 | CN1286674A Process for preparation of 1-(3,4-dimethoxyphenyl) ethanol |
| 03/06/2001 | USRE37087 Insecticidal triffluormethyl alkane derivatives |
| 03/06/2001 | US6198009 Perfluoropropylvinylether purification |
| 03/06/2001 | CA1341201C Bis-(hydroxymethyl) cyclobutyl purines and pyrimidines |
| 03/01/2001 | WO2001014301A1 Branched, largely unsaturated fatty alcohol polyglycolethers |
| 03/01/2001 | WO2001014300A1 Process for production of an etheralcohol |
| 03/01/2001 | WO2001014296A1 Method for recovering polyoxyalkylene polyol through decomposition |
| 03/01/2001 | WO2001014294A1 Preparation of selected fluoroolefins |
| 03/01/2001 | DE10030413A1 Solid acid catalyst, e.g. for esterification, transesterification and acetal- or ketal-production, contains aluminum, gallium or iron and structures derived from inorganic and organic phosphorus acids |
| 02/28/2001 | EP1077911A1 Method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group |
| 02/28/2001 | CN1285340A Process for synthesizing dimethyl ether in three-phase slurry bed |
| 02/28/2001 | CN1062639C Silencing apparatus |
| 02/28/2001 | CN1062548C Method for purification ether containing two distilation steps |
| 02/27/2001 | US6194606 Intermediates |
| 02/22/2001 | WO2001012635A1 Removal of dissolved silicates from alcohol-silicon direct synthesis solvents |
| 02/22/2001 | WO2001012578A1 Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds |
| 02/22/2001 | WO2001012322A1 Perfluorosulfonylmethide compounds; use thereof for carbon-carbon bond formation |
| 02/22/2001 | DE19939538A1 Branched unsaturated fatty alcohol polyglycol ethers of improved stability to auto-oxidation are useful in e.g. detergents, cosmetics and pharmaceutical preparations and are prepared from dimerized fatty acids |
| 02/21/2001 | CN1284492A Method of producing mixture of apium essence and apiin |
| 02/21/2001 | CN1284491A Preparation process of arene alkyl ether |
| 02/20/2001 | US6191308 Process for the manufacture of oxygenates |
| 02/20/2001 | US6191175 Splitting bypass stream from synthesis gas stream; passing synthesis gas stream through cooled reactor containing reforming catalyst; mixing effluent stream with bypass stream; mixing catalyst active in methalnol formation and dehydration |
| 02/15/2001 | WO2001010805A1 Bis(4-hydroxy-3-perfluoroalkylphenyl)fluoroalkane derivatives and process for the preparation thereof |
| 02/15/2001 | WO2001010801A1 Medium oil for slurry process and process for producing dimethyl ether |
| 02/13/2001 | US6187963 Processes for the manufacture of acrolein derivatives |
| 02/13/2001 | US6187948 A reaction product from hexafluoropropeneoxide with an acid fluoride; use as a monomer component for the preparation of a fluoropolymer having an oxygen containing functional group; a tackifier, an adhesive, sustained-release herbicide |
| 02/07/2001 | CN1283176A Method for producing oxalkylated amines or alcohols |
| 02/07/2001 | CN1061641C Process for preparing paraformaldehyde |
| 02/06/2001 | US6184421 Selective oxidation, to a carboxy group, of the group in the 2 position with respect to the hydroxyl groups of a mixture of phenols having formyl and/or hydroxymethyl groups in positions 2 or 4; preparing vanillin and ethyl vanillin |
| 01/31/2001 | EP1072576A1 Fluorinating agent, process for producing the same, and use thereof |
| 01/31/2001 | EP1071640A1 Asymmetric synthesis of 2-aryl-1-substituted butan-2,3-diols |
| 01/31/2001 | CN1282313A An ortho ester-based surfactant, its preparation and use |
| 01/30/2001 | CA2207353C Catalyst for dimethyl ether, method of producing catalyst and method of producing dimethyl ether |
| 01/25/2001 | WO2001005735A1 Method for the production of alcohol mixtures |
| 01/25/2001 | WO2001005732A1 Removal of antimony compounds from liquids |
| 01/25/2001 | WO2000064555A3 Solvent extraction process |
| 01/25/2001 | DE19933828A1 Verfahren zur Herstellung von Alkoholgemischen A process for preparing alcohol mixtures |
| 01/24/2001 | EP1070755A1 Liquid mixture consisting of diesel gas oils and oxygenated compounds |
| 01/24/2001 | EP1070038A1 New processes for the preparation of 3-bromoanisole and 3-bromonitrobenzene |
| 01/24/2001 | CN1281460A Catalysts for asymmetric synthesis containing rigid chiral ligands |
| 01/18/2001 | DE19928549A1 Preparation of bisphenol alkoxylates, useful e.g. for synthesis of polyester resin or polyurethane, uses phosphine catalyst free from alkali metal hydroxide in reaction of bisphenol with alkylene oxide |
| 01/17/2001 | CN1280555A Process for electrophilic aromatic substitution |
| 01/17/2001 | CN1060757C Alkoxylation process |