Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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08/20/1992 | WO1992013819A1 Process for producing branched dialkyl ethers |
08/19/1992 | EP0499451A1 Synthesis of 1-amino-anthraquinone |
08/19/1992 | EP0499055A2 Process for the preparation of pyrocatechols |
08/19/1992 | EP0498975A1 Tertiary amyl methyl ether from olefin streams |
08/19/1992 | EP0498969A1 Treatment of lower glycol-containing operative fluids |
08/19/1992 | EP0498817A1 Process for producing fluorinated organic compounds. |
08/18/1992 | CA1306470C Method of manufacturing a modified polyhydroxy compound |
08/13/1992 | DE4103489A1 Verfahren zur herstellung von verzweigten dialkylethern Process for the preparation of branched dialkyl ethers |
08/11/1992 | US5138102 Reactor quenching for catalytic olefin hydration in ether production |
08/11/1992 | US5138001 Vinylphenyl compound, process for the production thereof, polymerizable composition containing same, and crosslinked polymer formed therefrom |
08/11/1992 | US5137605 Cooling, supersaturation, recyclicling |
08/06/1992 | WO1992012951A1 Method of preparing fatty-alcohol polyalkylene-glycol ethers |
08/06/1992 | WO1992012950A1 Method of preparing fatty-alcohol polyalkylene-glycol ethers |
08/06/1992 | DE4113424C1 Prepn. of tert. tri- or tetra- fluoro derivs. of benzyl alcohol derivs. - from corresp. tetra- or penta- fluoro deriv., obtd. in higher yields with little formation of by-prods |
08/05/1992 | EP0497680A1 Process for the separation of ethyl tert-butyl ether and ethanol |
08/04/1992 | US5136115 Reacting with chloroalkyl ether and hydrogen bromide using hydrogen sulfate catalyst and no solvent |
08/04/1992 | US5136114 Process for the preparation of geminal diarylalkanes, new geminal diarylalkanes and alk(en)ylated aromatic compounds |
08/04/1992 | US5136108 Production of oxygenated fuel components |
08/04/1992 | US5136107 Process for halogenating aromatic compounds |
08/04/1992 | US5136106 Heterogeneous alkoxylation using anion-bound metal oxides |
08/04/1992 | US5135683 Process for producing a deprotected alkoxylated polyol |
08/04/1992 | CA1305957C Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers |
07/29/1992 | EP0496090A2 Process for the separation of a mixture of water, methylethylketone and ethyleneglycol-mono-n-butylether in water and methylethylketone with ethyleneglycol-mono-n-butylether |
07/23/1992 | DE4101742A1 Prepn. of fatty alcohol poly:alkylene glycol ether - by reacting fatty alcohol with ethylene oxide and/or propylene oxide in presence of laminar cpd., addn. of coagulating agent and opt. base, and sepn., of solid |
07/23/1992 | DE4101740A1 Verfahren zur herstellung von fettalkoholpolyalkylenglycolethern A process for preparing fettalkoholpolyalkylenglycolethern |
07/22/1992 | EP0495425A2 Preparation of diphenyl ether |
07/22/1992 | EP0494906A1 METHOD FOR CONTINUOUS PRODUCTION OF $g(D)1-ENOL ETHERS |
07/22/1992 | EP0360815B1 Process for the purification of diethoxymethane from a mixture with ethanol and water |
07/21/1992 | US5132468 C-alkylation of hydroquinone or monoethers thereof |
07/21/1992 | US5132467 Process for the conversion of normal alkenes to tertiary alkyl ethers |
07/21/1992 | US5132466 Process for preparing 4-(6-methoxy-2'-naphthyl)butane-2-one |
07/21/1992 | US5132465 Oxidation of primary alcohols to aldehydes using transition metal phthalocyanines as catalysts |
07/21/1992 | US5132455 Method for synthesizing perfluorinated ether compounds via polyesters |
07/21/1992 | US5132437 From 2-Substituted Benzyl Compound and Xylene |
07/21/1992 | US5132328 Lipoxygenase inhibitors as antiinflammatory agents or antiallergens |
07/21/1992 | CA1305486C Quaternary ammonium salts used as phase transfer catalyst |
07/21/1992 | CA1305445C Process for the continuous separation of water from mixtures with organic substances |
07/16/1992 | CA2059223A1 Separation of a mixture of water, methylethyl ketone, and ethylene glycol mono-n-butyl ether into a) water and b) methylethyl ketone containing ethylene glycol mono-n-buthyl ether |
07/15/1992 | EP0494419A2 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid |
07/15/1992 | CN1062680A Calcium basic compound catalysis alkyl phenolic alkoxy |
07/15/1992 | CA2054227A1 Preparation of diphenyl ether |
07/14/1992 | US5130435 Elimination of alcohol from an acetal or ketal in the presence of phosphates |
07/14/1992 | US5130101 Reactor system for conversion of alcohols to ether-rich gasoline |
07/08/1992 | CN1062523A Process for preparation of diethers |
07/07/1992 | CA1304757C Process for the production of polyglycerines |
07/02/1992 | DE4040960A1 Prepn. of 2-chloro-propionaldehyde acetal derivs. - useful as intermediates for e.g. aminothiazole(s) used as chemicals, agrochemicals and pharmaceuticals |
07/01/1992 | CN1062341A Alkoxylation process catalyzed by sodium-or potassium barium phosphate |
07/01/1992 | CN1017238B Method of single terpene base ether catalysis synthesized by natural zeolite |
06/30/1992 | US5126493 With ethylene or propylene oxide; polycrystalline iron oxide catalyst |
06/30/1992 | US5126071 Optically active compound, process for producing same and liquid crystal composition containing same |
06/30/1992 | CA1304415C Process for the preparation of fluoroalkyl perfluorovinyl ethers |
06/24/1992 | EP0491600A1 Process for the regiospecific monofunctionalisation of a phenolic hydroxy group of a polyphenol |
06/23/1992 | US5124473 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same |
06/23/1992 | US5124005 Adding extractive agent |
06/21/1992 | WO1992011224A1 Process for the preparation of glycol ethers |
06/21/1992 | CA2076376A1 Process for the preparation of glycol ethers |
06/17/1992 | EP0490571A2 Hydrogenation process |
06/17/1992 | EP0490444A1 Alkoxylation process catalyzed by sodium- or potassium barium phosphate |
06/17/1992 | EP0490378A1 Bromination process |
06/17/1992 | EP0490221A2 Method for the production of unsaturated ethers |
06/17/1992 | DE4039950A1 1-Alkenyl ether prodn. form di:alkyl acetal - by heating in presence of amine and acid, intermediates for pharmaceuticals, plant protection agents, etc. |
06/17/1992 | CN1061954A Alkoxylation process using calcium based catalysts |
06/17/1992 | CN1061953A Process for preparation of ethers |
06/17/1992 | CN1017044B Process for removing impurities from aromatic stream |
06/14/1992 | WO1992010450A1 Process for producing 1-octene |
06/13/1992 | CA2056270A1 Bromination process |
06/10/1992 | EP0489454A1 Use of an allylchloride for preparing an aldehyde |
06/10/1992 | EP0489097A1 Method for preparing ether carboxylic acids from carbohydrates and their derivatives and use thereof. |
06/09/1992 | US5120881 Adsorption onto zeolite |
06/09/1992 | US5120868 Catalyst system and process for the selective production of isoprenylalkyletheres from isoprene |
06/09/1992 | US5120697 Reacting calcium metal or calcium containing compound, organic activator, oxyacid metal salt; polymerization catalysts |
06/09/1992 | US5120468 Optical active mixture exhibiting ferroelectricity |
06/09/1992 | US5120467 Anisotropic compounds and liquid crystal mixtures |
06/09/1992 | US5120403 Method for operating a catalytic distillation process |
06/09/1992 | CA1303068C Pervaporation process for separating alcohols from ethers |
06/09/1992 | CA1303065C Process for the preparation of hydroxylated arometic derivatives, using the baeyer-villiger reaction |
06/06/1992 | CA2056806A1 Use of an allylchloride for preparing an aldehyde |
06/04/1992 | DE4104333A1 Conversion of raw material in mixed phase reaction distn. |
06/03/1992 | EP0488861A1 Process for the preparation of alkoxylated aromatic compounds |
06/03/1992 | EP0488236A1 Aromatic compounds, their production processes and their compositions for the control of insect pests |
06/03/1992 | EP0487714A1 Selective ethylation of naphthalene compounds |
06/03/1992 | EP0307446B1 Liquid phase isomerization of iodoaromatic compounds |
06/02/1992 | US5118873 Process for the preparation of mtbe |
06/02/1992 | US5118871 Minimizing deactivation of ether synthesis catalyst |
06/02/1992 | US5118870 Alkoxylation process catalyzed by rare earth and phosphorus-containing xerogels |
06/02/1992 | US5118869 Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups |
06/02/1992 | US5118650 Alkylation of alkylene oxide; narrow molecular weight distribution |
06/02/1992 | CA1302437C Production of ethers from olefins |
05/29/1992 | WO1992008685A1 Amphiphilic non-ionic, glycerol-derived compounds, a method for preparing same, corresponding intermediate compounds and compositions containing said compounds |
05/29/1992 | WO1992008683A1 Etherification process |
05/27/1992 | EP0487264A1 Process for the preparation of MTBE |
05/27/1992 | EP0487035A2 Process for the preparation of diethers |
05/27/1992 | EP0398998A4 Synthetic porous crystalline material, its synthesis and use |
05/27/1992 | DE4037284A1 Tubular reactor for continuous fluidic chemical reaction under pressure - comprises pulsators acting on opposite ends of tube to increase efficiency of ammonolysis, oxy- and cyanoethylation and saponification |
05/26/1992 | US5117010 Etherification |
05/26/1992 | US5117002 Preparation of diphenyl ether |
05/21/1992 | CA2055721A1 Process for the preparation of diethers |
05/20/1992 | EP0485785A1 Process and apparatus for producing alpha, beta-unsaturated acetals |
05/20/1992 | CA2054990A1 Process for the preparation of mtbe |
05/19/1992 | US5114977 Ethers |