| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 03/16/1994 | EP0341295B1 Process for producing 4,4'-dibromodiphenyl ether |
| 03/15/1994 | US5294744 Methylation of phenol with dimethyl carbonate in the presence of tertiary-amine base and formylation in the presence of trifluoroacetic acid with hexamethylenetetramine |
| 03/15/1994 | US5294305 Heating to dissolve oligomers; ion exchanging, distilling |
| 03/09/1994 | EP0585265A1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content. |
| 03/09/1994 | CN1083467A Production of bis (fluoromethyl) ether and difluoromethane |
| 03/09/1994 | CN1083466A Synthesis of desflurant |
| 03/08/1994 | US5292977 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin D and analogues |
| 03/08/1994 | US5292964 Preparation of alkyl tertiary butyl ether |
| 03/08/1994 | US5292963 Continuous, polyimide separating membrane |
| 03/08/1994 | US5292961 Process for the preparation of halogenated polyethers |
| 03/08/1994 | US5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation |
| 03/08/1994 | US5292897 Process for preparing halo acetals from enamines |
| 03/08/1994 | CA1327613C Process for removing impurities from an aromatic stream |
| 03/08/1994 | CA1327603C Process for preparing tertiary and secondary alcohols by reaction of an organo-manganous compound with a carbonyl group containing compound |
| 03/03/1994 | WO1994004478A2 Process and device for preparing diglycerine |
| 03/03/1994 | DE4301554C1 Di:ethoxy-methane prodn. - by condensn. of formaldehyde with ethanol@ in presence of acid catalyst |
| 03/02/1994 | EP0584415A1 Diaryl ethers by dehydration of phenols using a catalyst comprising supported partially reduced tungsten (VI) oxide |
| 03/01/1994 | US5290958 Phase transfer catalytic process for preparing intermediates of atenolol, propranolol, and their derivatives |
| 03/01/1994 | CA2077207A1 Diaryl ethers by dehydration of phenols using a catalyst comprising supported partially reduced tungsten (vi) oxide |
| 02/23/1994 | EP0583540A1 Synthesis of desflurane |
| 02/23/1994 | EP0583433A1 Diphosphine ligands |
| 02/22/1994 | US5288924 Process for starting up an olefin hydration reactor |
| 02/22/1994 | US5288923 Reacting polycarbonate wastes with alkylene diol and basic catalysts |
| 02/22/1994 | US5288922 Dehydration of hydroxy substituted aromatic compound over zeolite catalyst |
| 02/22/1994 | US5288376 Preparation of perfluorooligoether iodides |
| 02/16/1994 | EP0582923A1 Thermo-oxidative stabilization of oxyalkylene glycol ethers with hindered phenols |
| 02/16/1994 | CN1082020A Process for preparing trimethylolpropane diene propylether |
| 02/15/1994 | CA2091048A1 Synthesis of desflurane |
| 02/15/1994 | CA1327038C Anticancer compounds |
| 02/09/1994 | EP0582317A2 Synthesis of 1,2-dioxetanes and intermediates therefor |
| 02/09/1994 | CN1081666A Production method for polyglycol dimethyl ether |
| 02/03/1994 | DE4225136A1 Narrow range alkoxylate nonionic surfactant prodn. - by alkoxylation of cpds. contg. active hydrogen or ester using metal alcoholate activated with organic carboxylic acid as homogeneous catalyst. |
| 02/02/1994 | EP0581530A1 Catalytic removal of peroxide contaminants from a methanol-tertiary butyl alcohol recycle stream |
| 02/02/1994 | EP0581097A1 Process for the preparation of E,Z-butenedial bis-dialkyl acetals |
| 02/02/1994 | EP0580741A1 Process for conducting chemical reactions with formaldehyde. |
| 02/02/1994 | EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds. |
| 02/02/1994 | CN1023643C Calcium basic compound catalysis for alkyl-phenol alkoxyation |
| 02/01/1994 | US5283378 Process for the dechlorination and/or debromination of fluorine-and chlorine- and/or bromine-containing aromatic compounds |
| 02/01/1994 | US5283373 Etherification with skeletal olefin isomerization |
| 02/01/1994 | US5283372 Preparation of purified optical isomers of desflurane |
| 02/01/1994 | CA1326680C N-acyl-n-naphthoylglycines as aldose reductase inhibitors |
| 01/31/1994 | CA2075002A1 Reactor quenching for catalytic olefin hydration in ether production |
| 01/29/1994 | CA2087236A1 Catalytic removal of peroxide contaminants from a methanol-tertiary butyl alcohol recycle stream |
| 01/26/1994 | EP0580550A1 Oxamic acid derivatives as hypocholesteremic agents |
| 01/26/1994 | EP0579797A1 Diphosphine ligands |
| 01/26/1994 | EP0579636A1 Process for producing fatty alcohol polyalkylene glycol ethers |
| 01/26/1994 | EP0357671B1 Improved process for preparing aromatic fluorides |
| 01/26/1994 | EP0329670B1 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof |
| 01/26/1994 | CN1081177A Method to manufacture ethylene glycol methyl ethers |
| 01/26/1994 | CN1081176A Method to manufacture ethylene glycol ethyl ethers |
| 01/25/1994 | CA1326495C Hydrocarbon conversion processes |
| 01/24/1994 | CA2084425A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified zeolite catalysts |
| 01/20/1994 | WO1994001389A1 Method of preparing polyol alkyl ethers |
| 01/20/1994 | WO1994001383A1 Perfluoroalkylation reagent and method using such reagent |
| 01/19/1994 | EP0579021A1 Process for preparing haloaromatics |
| 01/19/1994 | EP0397802B1 Complete ether capping of oligomeric polyphenols |
| 01/18/1994 | CA1326244C Alkoxylation using a calcium sulfate catalyst |
| 01/13/1994 | DE4222655A1 Direct prepn. of di:methyl ether - from synthesis gas with controllable purity, useful for aerosols or for domestic and industrial heating |
| 01/13/1994 | DE4222183A1 Verfahren zur Herstellung von Polyalkylethern A process for preparing polyalkyl ethers |
| 01/12/1994 | EP0577979A1 Cyclopolymerizable fluor compounds, process for their preparation and thermoplastic fluoro polymers obtained therefrom |
| 01/11/1994 | US5278342 Vapor phase chlorination of difluoromethyl methyl ether |
| 01/11/1994 | CA1326046C Phosphonium salts and processes for production of and uses for the same |
| 01/11/1994 | CA1325994C Process for the vigorous dehydration of substances, mixtures, primarily condensation reaction mixtures, by azeotropic distillation |
| 01/06/1994 | WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds |
| 01/06/1994 | WO1994000412A1 Process for producing fluorinated vinyl ether |
| 01/06/1994 | WO1994000411A1 Process and apparatus for producing tertiary ethers |
| 01/05/1994 | EP0577464A1 Process for the preparation of a tertiary alkyl ether comprising a finishing reaction zone |
| 01/05/1994 | EP0576853A1 Process for the preparation of perfluoropolyethers |
| 01/05/1994 | EP0398998B1 Synthetic porous crystalline material, its synthesis and use |
| 01/05/1994 | EP0376955B1 Preparation of isomers of myo-inositol derivatives |
| 01/05/1994 | DE4221099A1 Long chain methyl alkyl ether cpds. prodn. by hydrogenating formal - using palladium@ catalyst with phosphoric acid catalyst to increase yield |
| 01/05/1994 | CN1080296A A polyvinyl ether compound and a lubricating oil |
| 01/04/1994 | US5276212 Etherification with intermediate skeletal olefin isomerization |
| 01/04/1994 | US5276194 Reacting perfluoroalkyl iodide with aromatic compound in presence of aqueous inorganic base |
| 01/04/1994 | CA1325812C Preparation of halogenated phenols |
| 01/04/1994 | CA1325811C Norbornane derivatives, process for their preparation, and cosmetic and pharmaceutical compositions containing them |
| 01/02/1994 | CA2098477A1 Process for preparing perfluoropolyethers |
| 12/30/1993 | CA2099681A1 Oxidation process of aromatic compounds carrying an oxidable alkyl group |
| 12/23/1993 | WO1993025511A1 Process for producing oligoclycerine mixtures with increased diglycerine content |
| 12/23/1993 | DE4220082A1 Linear poly:cyclic cpds. prodn. from boronic acid and halogen cpds. - by cross-coupling in aq. solvent in presence of catalyst and water-soluble borate, esp. prodn. of liquid crystal cpds. with fluoro-phenoxy gp. |
| 12/23/1993 | DE4219281C1 Prepn. of 2-substd. tri:fluoro:methoxy:benzene derivs. - by reaction of e.g. corresp. unsubstd. cpd. with strong base, followed by reaction with electrophile |
| 12/22/1993 | EP0575195A1 Synthesis of alkyl tert-alkyl ether using phosphoric or fluorophosphoric acid-modified montmorillonite clay catalysts |
| 12/22/1993 | EP0574839A2 Process for the preparation of difluormethylethers and esters |
| 12/22/1993 | CN1079729A Chemical Process |
| 12/22/1993 | CN1023215C Process for catalytic hydration of olefins |
| 12/22/1993 | CN1023214C Process for catalytic hydration of olefins |
| 12/20/1993 | CA2079416A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified clay catalysts |
| 12/18/1993 | CA2098367A1 Copolymerizable fluorinated compounds, a process for their preparation and thermoplastic fluoropolymers obtainable therefrom |
| 12/15/1993 | EP0573874A2 Process for the preparation of beta-naphthylbenzylether |
| 12/15/1993 | EP0464045B1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products |
| 12/15/1993 | EP0432208B1 Process for producing fatty alcohol derivatives |
| 12/15/1993 | CN1023111C Process for preparing addition products from alkyd oxides on compounds containing mobile hydrogens |
| 12/14/1993 | US5269961 Stabilized polyether polyol and polyurethane foam obtained therefrom |
| 12/14/1993 | CA1325219C Fluorination of orthocarbonates and polyalkoxy propanes |
| 12/09/1993 | WO1993024435A1 Polyvinyl ether compound and lubricating oil |
| 12/09/1993 | WO1993024434A1 Isolation of partially brominated diphenyl ether mixtures |
| 12/09/1993 | CA2137086A1 Isolation of partially brominated diphenyl ether mixtures |
| 12/08/1993 | EP0573185A1 Process for the production of tertiary alkyl ethers using zeolite containing palladium |
| 12/08/1993 | EP0572918A1 Process for selectively ortho-fluorinating substituted aromatic compounds |
| 12/08/1993 | EP0460111B1 Preparation of 4-substituted aryl olefins |