| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 03/09/2000 | WO2000012449A1 Copper-catalyzed enantioselective allylic substitution reactions |
| 03/09/2000 | DE19840846A1 Verfahren zur Herstellung von Fettalkoholalkoxylaten Process for the preparation of fatty alcohol alkoxylates |
| 03/09/2000 | DE19840107A1 Verfahren zur Synthese alpha-substituierter Ringsysteme Method for the synthesis of alpha-substituted ring systems |
| 03/09/2000 | CA2341539A1 Method of reducing ring chlorination in the manufacture of a trichloromethoxybenzene |
| 03/09/2000 | CA2341224A1 Improved processes for making surfactants via adsorptive separation and products thereof |
| 03/08/2000 | EP0983986A1 Process for separating 1,3-butadiene and water from mixtures containing them and 1-n-butoxy-2-butene, 3-n-butoxy-1-butene, n-butanol and di-n-butyl ether |
| 03/08/2000 | EP0765862B1 Fatty acid ester of etherified polyhydric alcohol |
| 03/08/2000 | CN1246854A Process for manufacture of epoxy compounds |
| 03/08/2000 | CN1246853A Process for preparation of epoxy compounds |
| 03/07/2000 | US6034290 Porous microcomposite of metal cation exchanged perfluorinated ion-exchange polymer and network of metal oxide, silica, or metal oxide and silica |
| 03/07/2000 | US6034281 Mixig with heptanol; distillation |
| 03/03/2000 | CA2281227A1 Process for synthesizing .alpha.-substituted ring systems |
| 03/02/2000 | DE19838449A1 Verfahren zur Abtrennung von 1,3-Butadien und Wasser aus Stoffgemischen enthaltend 1,3-Butadien, 1-n-Butoxybuten-2, 3-n-Butoxybuten-1, n-Butanol, Di-n-butylether und Wasser Process for the separation of 1,3-butadiene and water from mixtures containing 1,3-butadiene, 1-n-Butoxybuten-2, 3-n-Butoxybuten-1, n-butanol, di-n-butyl ether, and water |
| 03/02/2000 | DE19838425A1 Verfahren zur Abtrennung mehrfunktioneller Alkohole von wasserlöslichen Salzen aus wäßrigen Systemen Process for the separation of polyfunctional alcohols from water-soluble salts from aqueous systems |
| 03/01/2000 | EP0982283A2 Method for the separation of polyfunctional alcohols from water-soluble salts in aqueous systems |
| 02/25/2000 | CA2280643A1 Removal of 1,3-butadiene and water from compositions of matter comprising 1,3-butadiene, 1-n-butoxybutene-2, 3-n-butoxybutene-1, n-butanol, di-n-butyl ether and water |
| 02/24/2000 | WO2000009466A1 Phospine ligand promoted synthesis of tetraaryloxyalkane and diarylcarbonates |
| 02/24/2000 | WO2000009463A1 Stereoselective ring opening reactions |
| 02/24/2000 | CA2339618A1 Stereoselective ring opening reactions |
| 02/24/2000 | CA2280535A1 Process for separating polyfunctional alcohols from water-soluble salts in aqueous systems |
| 02/23/2000 | EP0980869A1 Aluminum compounds and use thereof |
| 02/23/2000 | EP0980860A1 Optically active secondary alcohol and process for the production thereof |
| 02/23/2000 | EP0980348A1 Process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 02/23/2000 | EP0980347A1 Separation of co 2? from unsaturated fluorinated compounds by semipermeable membrane |
| 02/22/2000 | US6028229 Process for producing end-group-locked non-ionic tensides |
| 02/22/2000 | CA2181950C Enhanced recovery of alcohol from an ether containing stream |
| 02/17/2000 | WO2000007966A1 Transition metal complexes as linkers |
| 02/17/2000 | WO2000007720A1 Bimetallic-cyanide catalysts used for preparing polyether polyols |
| 02/17/2000 | DE19835747A1 Production of alpha-(hetero)aryloxy (cyclo)alkanol derivatives useful as herbicide intermediates by reacting oxirane derivatives with hydroxy(hetero)arenes at atmospheric pressure without diluent |
| 02/17/2000 | CA2338698A1 Bimetallic-cyanide catalysts used for preparing polyether polyols |
| 02/16/2000 | EP0979220A1 SINGLE-STAGE METHOD FOR PRODUCING $g(a)-HYDROXY ETHERS BY OXIDIZING C=C-UNSATURATED COMPOUNDS WITH HYDROPEROXIDES |
| 02/16/2000 | CN1244855A Polymerizable biaryls, method for the production and use thereof |
| 02/15/2000 | US6024176 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 02/10/2000 | WO2000006279A1 Process for purifying solid chemical products by dry-sweating |
| 02/09/2000 | EP0977721A1 Single-step method for producing glycol monoethers from olefins |
| 02/09/2000 | EP0977548A1 Fragrance pro-accords |
| 02/09/2000 | CN1244187A Method of preparing monofluoromethyl ethers |
| 02/08/2000 | US6023003 Stream is subjected to three evaporation cycles. each time the remaining liquid stream becomes more concentrated with glycol until the finished product is approximately ninety percent |
| 02/08/2000 | US6023002 Reaction of a fluorinated alkoxide with an alkyl fluorovinylalkyl ether, the alkyl fluorovinylalkyl ether having alpha-beta carbon-carbon unsaturation relative to the ether oxygen |
| 02/03/2000 | DE19834572A1 Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen Double metal cyanide catalysts for preparing polyether polyols |
| 02/02/2000 | EP0976706A1 Hydro-fluoroalkylvinylethers and process for obtaining them |
| 02/02/2000 | EP0976705A1 Method of producing a phenolalkylether compound |
| 02/02/2000 | EP0975559A1 Method for catalytic and selective oxidation of aromatic compounds |
| 02/02/2000 | EP0784648A4 Continuous bromination process and products thereof |
| 02/02/2000 | CN1048921C Method for preparing catalyst of large porous strong acid cation exchange resin |
| 02/01/2000 | US6019909 Containing an oxygen atom in its molecule |
| 02/01/2000 | CA2163795C Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether |
| 01/27/2000 | WO1999052846A3 Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis |
| 01/27/2000 | DE19832893A1 Reprocessing and application of used, impure 2,2'-ethylene-di:oxy-di:ethanol, involves eliminating impurities by suitable methods and making the organic carbon content available for biological use |
| 01/26/2000 | EP0973714A2 Production of racemic 2-(6-methoxy-2-naphthyl)propionic acid or precursors thereof |
| 01/26/2000 | EP0900189A4 2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydroxyarylaldehydes therefrom |
| 01/26/2000 | EP0847378B1 Process for separating butanol and dibutyl ether by means of dual-pressure distillation |
| 01/25/2000 | US6018075 Process for the manufacture of a γ -acetoxy-tiglic aldehyde |
| 01/25/2000 | US6017875 Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition |
| 01/25/2000 | US6017371 Composition and method for producing a multiple boiling point ether gasoline component |
| 01/20/2000 | WO2000002887A2 Ligands for metals and metal-catalyzed processes |
| 01/20/2000 | WO2000002840A1 Preparation of carboxylic compounds and their derivatives |
| 01/20/2000 | CA2336115A1 Preparation of carboxylic compounds and their derivatives |
| 01/19/2000 | EP0971868A1 Method for producing n-butyraldehyde and/or n-butanol |
| 01/18/2000 | US6015873 Polyphenol composition and method of producing the same |
| 01/13/2000 | DE19831137A1 Asymmetric catalytic hydrogenation of prochiral olefins using iridium complex catalyst |
| 01/12/2000 | EP0970937A1 Polymer gel and process for the activation of active hydrogen compounds |
| 01/12/2000 | EP0970028A1 Method for synthesising aromatically substituted olefins |
| 01/12/2000 | EP0785182B1 Method of refining methylal |
| 01/12/2000 | EP0750587B1 Crystalline borophosphates, their production and use |
| 01/11/2000 | US6013844 Preparation of catechol monoethers and catechols |
| 01/11/2000 | US6013812 Cyclodehydrating polyol in the presence of water and acidic catalyst and acid-stable hydrogenating catalyst in hydrogen atmosphere |
| 01/05/2000 | EP0968991A1 Method of manufacturing 1-indanone |
| 01/04/2000 | US6011181 Reducing the level of tri-substituted phosphine, arsine and/or stibine oxide from a mixture comprising the addition of a metal salt to the mixture to form a complex with the oxide, and removing the complex |
| 01/04/2000 | US6011071 Ether compound and process for producing the same |
| 12/30/1999 | DE19904900A1 Production of alkoxymethyl-aromatics useful in synthesis of aromatic acid, e.g. naphthalene-2,6-dicarboxylic acid and polyethylene naphthalate |
| 12/29/1999 | EP0966418A1 Method for producing acetals |
| 12/29/1999 | EP0966417A1 Process for the synthesis of hexafluoroisopropyl ethers |
| 12/29/1999 | EP0728100B1 A cargo compartment for a lighter-than-air vehicle |
| 12/28/1999 | US6008416 Production of MIBK using catalytic distillation technology |
| 12/28/1999 | US6008186 A bicyclo(4.3.1)decane odor compound |
| 12/23/1999 | WO1999065851A1 Production of mibk using catalytic distillation technology |
| 12/23/1999 | WO1999065850A1 Anti-aging agent for glycols or glycol ethers |
| 12/23/1999 | DE19826914A1 Alterungsschutzmittel für Glykole oder Glykolether Antioxidant for glycols or glycol ethers |
| 12/22/1999 | EP0965382A1 Alkoxylation catalyst comprising magnesium oxide and aluminium oxide and method for producing alkylene oxide adduct |
| 12/22/1999 | EP0964858A1 Process for the manufacture of epoxy compounds |
| 12/22/1999 | EP0964857A1 Process for the manufacture of epoxy compounds |
| 12/21/1999 | US6005151 Reacting haloaromatic compound with olefin compound using palladium complex catalyst |
| 12/21/1999 | US6005150 In a catalytic distillation zone which comprises an upper catalytic zone for etherification and a lower catalytic zone for isomerization of c.sub.4 plus olefins |
| 12/21/1999 | US6005063 Without the involement of halogen, in parrticular chlorine gas |
| 12/16/1999 | WO1999064385A1 Method for condensing one or more carbonyl compounds on carbocylic aromatic thioethers or ethers in an acid medium |
| 12/16/1999 | DE19825454A1 Verfahren zur Herstellung von aromatischen Olefinen unter Katalyse von Palladiumkatalysatoren mit Phosphitliganden A process for preparing aromatic olefins catalyzed by palladium catalysts with phosphite |
| 12/15/1999 | EP0963380A1 A continuous process for effecting gas liquid reactions |
| 12/15/1999 | EP0963367A1 Process for preparing alkyl ethers and mixtures thereof |
| 12/15/1999 | EP0789744B1 Method of preparing non-ionic surfactants having closed end groups |
| 12/15/1999 | CN1238752A Method for preparing 4-hydroxybenzaldehyde and its derivatives |
| 12/15/1999 | CN1238749A Highly branched primary alcohol compositions, and biodegradable detergents made therefrom |
| 12/14/1999 | US6001954 3-phenol-2-hydroxypropyl halides are prepared by reacting a 1-phenyl ether of glycerol with a hydrogen halide in the presence of a carboxylic acid |
| 12/09/1999 | WO1999062854A1 Solution phase synthesis of olefins and olefin-derived products |
| 12/09/1999 | WO1999062848A1 Method for producing alkyl chloride, alkenyl chloride and alkinyl chloride |
| 12/09/1999 | DE19824929A1 Verfahren zur Herstellung von Alkyl-, Alkenyl- und Alkinylchloriden A process for the production of alkyl, alkenyl and alkynyl chlorides |
| 12/08/1999 | EP0962434A1 Process for the preparation of aromatic olefins using palladium catalysts containing phosphite ligands |
| 12/08/1999 | EP0961765A2 Preparation of carboxylic compounds and their derivatives |
| 12/08/1999 | CN1237954A Process for preparation of benzyl-ethers |
| 12/08/1999 | CN1237953A Method for producing glycols |