| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 10/13/2004 | CN1170798C Novel process for preparation of 3-bromoanisole and 3-bromonitrobenzene |
| 10/12/2004 | CA2156526C Stabilized polyether polyol and polyurethane foam obtained therefrom |
| 10/12/2004 | CA2100817C Heteroacetic acid derivatives |
| 10/07/2004 | WO2004085358A1 Process for producing tetraalkoxypropane and derivative thereof |
| 10/07/2004 | US20040198993 Olefin epoxidation process and a catalyst for use in the process |
| 10/07/2004 | US20040197886 Method of crystallizing reduced coenzyme Q10 from aqueous solution |
| 10/07/2004 | US20040197418 Method of stabilizing reduced coenzyme q10 and method of acidic crystallization |
| 10/07/2004 | DE10302457B3 Verfahren zur Herstellung von Butenoligomeren und tert.-Butylethern aus Isobuten-haltigen C4-Strömen A process for producing butene oligomers and tert-butyl ethers from C4 streams containing isobutene |
| 10/06/2004 | EP1464394A1 Supported nanopalladium catalyst for C-C coupling reactions of haloarenes |
| 10/06/2004 | EP1463697A2 Synthesis of alfa,beta,beta-trifluorostyrene via in-situ formation of trifluorovinyl metal halide |
| 10/06/2004 | EP1100617B1 Bimetallic-cyanide catalysts used for preparing polyether polyols |
| 10/06/2004 | CN1169767C Process of preparing o-methyl allyloxyphenol |
| 10/06/2004 | CN1169766C Method for hydroxyalkylating carbocyclic aromatic ether |
| 10/06/2004 | CN1169759C Process for producing substituted aromatic compound |
| 10/06/2004 | CN1169618C Catalyst for preparation of dimethyl ether, preparation thereof and preparation of dimethyl ether |
| 10/05/2004 | US6800786 Reacting isoflurane with 0.7-1.2 mol. % of antimony pentachloride and 1.3-2.2 molar equivalents of hydrogen fluoride |
| 10/05/2004 | US6800766 Catalyzing the decyclization of racemic and diastereomeric epoxides mixtures in the presence of a non-racemic, chiral catalyst; pharmaceutical synthesis |
| 10/05/2004 | US6800665 Reacting carbon monoxide and hydrogen using catalyst to produce mixture gas, separating into carbon monoxide/hydrogen and dimethyl ether/carbon dioxide, recycling carbon monoxide/hydrogen |
| 09/30/2004 | WO2004083153A1 Process for manufacture of an allyl ether |
| 09/30/2004 | US20040192974 Process for preparing hydrofluoroethers |
| 09/30/2004 | US20040192958 Process for preparing derivatives of 4-halobutyraldehyde |
| 09/30/2004 | US20040192884 Process for purification of crude polyether and adsorbent |
| 09/30/2004 | DE10313150A1 Continuous production of polyol from waste polyurethane involves reacting polyurethane foam with glycol and primary or secondary aliphatic amine in a mixer-kneader with horizontal shafts fitted with special mixing elements |
| 09/30/2004 | DE10312562A1 Verfahren zur kontinuierlichen Herstellung von Acetalen von α,β-Dicarbonylverbindungen Process for the continuous preparation of acetals of α, β-dicarbonyl compounds |
| 09/29/2004 | EP1462435A1 Process for producing diene compound |
| 09/29/2004 | EP1462434A1 Process for preparing hydrofluoroethers |
| 09/23/2004 | WO2004080492A1 Methods of radiofluorination of biologically active vectors |
| 09/23/2004 | WO2004072088A3 Phosphine compound, intermediate, palladium-complex, and use thereof |
| 09/23/2004 | US20040186325 subjecting olefin mixture to metathesis, separating olefins, dimerizing, derivatizing (via hydroformylation) after fractionation, then alkoxylating; |
| 09/23/2004 | US20040186324 Process for preparing fluorohalogenethers |
| 09/23/2004 | US20040186304 via industrial scale countercurrent thin film evaporator which reacts ketones with alcohols |
| 09/23/2004 | US20040186174 Hydroxydiphenyl ether compounds |
| 09/23/2004 | CA2518889A1 Methods of radiofluorination of biologically active vectors |
| 09/22/2004 | EP1460052A1 Process for the continuous preparation of acetals of alpha,beta-dicarbonyl compounds |
| 09/22/2004 | EP1458699A1 A process and systems for the epoxidation of an olefin |
| 09/22/2004 | EP1458698A1 A process and systems for the epoxidation of an olefin |
| 09/22/2004 | EP1458661A1 Separation of diastereoisomers |
| 09/21/2004 | US6794553 Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein |
| 09/21/2004 | US6794547 Reaction of a phenol compound with a dialkyl carbonate; solvent-free at a pressure of .93 x 105-1.07 x 105 pa, at a temperature of 100-200 degrees c., in the presence of an alkaline carbonates catalyst |
| 09/21/2004 | US6794546 Reaction of corresponding oh, sh or nh compound with an acetylene in liquid phase in presence of basic alkali or alkaline earth metal compounds |
| 09/21/2004 | US6794532 Hydrogenation of prochiral ketones |
| 09/21/2004 | US6794525 Optically active chiral diphosphine ligands |
| 09/21/2004 | US6794522 Labeling organic compounds with deuterium and tritium using specific catalysts based on group 8 metals containing pentamethylcyclopentadiene ligand; deuterated tetrahydrofuran or diethyl ether for example |
| 09/21/2004 | US6794418 Method and plant for production of oxygenated hydrocarbons |
| 09/16/2004 | WO2004078689A1 Process and apparatus for the production of dimethyl ether |
| 09/16/2004 | WO2004078645A1 Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gas |
| 09/16/2004 | WO2004078126A2 Compositions and methods with enhanced therapeutic activity |
| 09/16/2004 | WO2004018553A3 Methods for preparing ethers, halogenated ethers, fluoroethers as well as uses of the latter in fire extinguishing systems. |
| 09/16/2004 | US20040181099 Reaction of phenol with oxirane in the presence of anion exchange resin as catalysts |
| 09/16/2004 | US20040181097 Allowing a compound having a hydroxyl group to react with an alkenyl ether compound in presence of an acid catalyst; forming a protected hydroxy compound |
| 09/16/2004 | US20040181094 Reaction of alkyne and nucleophile in the presence of Ruthenium oxo catalysts with displacement for synthesis of propargylamine or propargyl ethers |
| 09/16/2004 | DE3717389B4 Neue naphthylaromatische Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in der Human- und Veterinärmedizin und in der Kosmetik New naphthylaromatische compounds, processes for their preparation and their use in human and veterinary medicine and cosmetics |
| 09/16/2004 | DE10309393A1 Basic heterogeneous catalyst, useful for the vinylation, acetylation, esterification or carbonylation of nucleophiles, comprises a nitrogen containing polymer reacted with alkylene oxides with hydroxyl groups exchanged with metal cations |
| 09/16/2004 | CA2516078A1 Catechol compositions and use thereof |
| 09/15/2004 | EP1456151A1 Method for forming a carbon-carbon or carbon-heteroatom linkage |
| 09/15/2004 | EP1194227B1 Preparation and use of ionic liquids in microwave-assisted chemical transformations |
| 09/15/2004 | EP1043930A4 Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids |
| 09/15/2004 | CN1166611C Preparation of 3-L-mentha oxygen propane-1,2-diol |
| 09/15/2004 | CN1166609C Process for removing diglycol from high-boiling-point morpholinium compound |
| 09/15/2004 | CN1166608C Three-phase phase-transfer catalytic synthesis process of 9,9-(dimethoxyl methyl) fluorene |
| 09/15/2004 | CN1166607C Method for synthesizing bipentaerythrite |
| 09/15/2004 | CN1166606C Direct diemthyl ether synthesizing process with synthetic gas |
| 09/14/2004 | US6790953 Ether compounds |
| 09/10/2004 | WO2004065343A3 Polycondensation method employing dielectric heating, in particular for the production of polyglycerols and similar |
| 09/09/2004 | US20040176608 Novel transition-metal complexes and use thereof in transition-metal catalyzed reactions |
| 09/09/2004 | US20040176481 Reacting hydrocarbon feedstock with oxygen within reactor to form synthesis gas containing carbon monoxide, carbon dioxide, and hydrogen, then subjecting to exothermic reaction |
| 09/08/2004 | EP1454940A2 Process for preparing fluorohalogenethers |
| 09/08/2004 | EP1454891A1 Process for preparation of 4-(4-phenoxyphenoxy) benzoic acid by oxidation of 1-(4-methylphenoxy)-4-phenoxybenzene |
| 09/08/2004 | EP1453813A2 IMPROVED PURIFICATION OF 4, 4'(5')-DI- i t /i -BUTYLCYCLOHEXANO-18-CROWN-6 |
| 09/08/2004 | EP1453780A1 The use of microencapsulated transition metal reagents for reactions in supercritical fluids |
| 09/08/2004 | CN1527807A Method of porducing reduced coenzyme Q10 using solvent with high oxidation-protective effect |
| 09/08/2004 | CN1527806A Method of producing reduced coenzyme Q10 crystals with excellent handling properties |
| 09/07/2004 | US6787665 Production method of substituted benzenes |
| 09/07/2004 | US6787062 Reacting bis(alkylthio)carbenium salt with hydroxyl compound in presence of base; fluorination and oxidation |
| 09/02/2004 | WO2004074228A1 Process for preparing dimethylether from methanol |
| 09/02/2004 | US20040171885 Process for producing allyl-containing compounds |
| 09/02/2004 | US20040171833 Ligands for metals and improved metal-catalyzed processes based thereon |
| 09/02/2004 | US20040171072 Solid support based on selenium useful in solid phase synthesis |
| 09/01/2004 | EP1452516A2 Process for producing allyl-containing compounds |
| 09/01/2004 | EP1452174A1 METHOD OF STABILIZING REDUCED COENZYME Q sb 10 /sb |
| 09/01/2004 | EP1451133A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 09/01/2004 | EP1228024B1 Novel hydronaphthalene compounds, prepared by a rhodium catalyzed ring opening reaction in the presence of phosphine ligand |
| 09/01/2004 | CN1525951A Method of stabilizing reduced coenzyme Q10 and method of acidic crystallization |
| 09/01/2004 | CN1525881A Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 09/01/2004 | CN1524839A Method for synthesizing linear alkyl diphenyl ether |
| 09/01/2004 | CN1524838A Method for synthesizing dialkoxy propane |
| 09/01/2004 | CN1164552C Synthesis of phenylate alcohol compounds |
| 09/01/2004 | CN1164551C Cooling condensation and separation process for one-step preparing dimethyl ether from synthetic raw material gas |
| 09/01/2004 | CN1164550C Absorption process for directly preparing dimethyl ether and methanol water solution from synthetic raw material gas |
| 09/01/2004 | CN1164549C Catalytic hydrogenation and dehalogenation process of phenoxy phenol halide compound |
| 08/31/2004 | US6784331 Dimerization of an alpha substituted styrene with a catalytic porous microcomposite of perfluorinated ion-exchange polymer with pendant sulfonic and/or carboxylic acid groups entrapped and highly dispersed throughout a network of metal oxide |
| 08/31/2004 | US6784327 Organic compounds having hydrogen atoms, which serve as starting materials, are fluorinated using if5 |
| 08/31/2004 | US6784295 Carried out in the presence of an inorganic base or organic nitrogen base and a palladium complex catalyst containing secondary monophosphines with aliphatic, branched or cyclic substituents as ligands |
| 08/31/2004 | US6784210 Decyclization of oxabenzonorbornadienes or azabicyclic compounds in the presence of catalysts to form naphthalenes, such as 2-methoxy-1,2-dihydronaphthalen-1-ol, used as analgesics, anticarcinogens or viricides; catalysis |
| 08/26/2004 | WO2004072088A2 Phosphine compound, intermediate, palladium-complex, and use thereof |
| 08/26/2004 | US20040167364 Production method of a coupling compound |
| 08/26/2004 | US20040167344 Process for producing organotitanium compound and process for addition reaction |
| 08/26/2004 | US20040167018 Palladium catalysts |
| 08/25/2004 | EP1449580A1 Production method of a cross-coupling compound from an alkyl halide and an organoboron compound |
| 08/25/2004 | CN1163462C Process for preparing orthoformate from hydrocyanic acid as waste gas of acrylonitrile plant |