Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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08/25/2004 | CN1163457C Combined process for comprehensive utilizing cracked C5 |
08/19/2004 | US20040161404 Method for producing coupling compound |
08/19/2004 | DE4326169B4 Verfahren zur Herstellung von unsymmetrischen Bisarylverbindungen A process for the preparation of unsymmetrical Bisarylverbindungen |
08/19/2004 | DE10304006B3 Continuous method for preparing Grignard adducts, on column of magnesium turnings through which a mixture of halide and cyclohexanone reactant is passed, optionally with direct hydrolysis and dehydration to cyclohexene derivative |
08/18/2004 | EP1220851B1 Carbon dioxide-philic compounds and methods of synthesis thereof |
08/18/2004 | EP1030854B1 Catalysts for asymmetric synthesis containing rigid chiral ligands |
08/18/2004 | EP0977548B1 Fragrance pro-accords |
08/18/2004 | CN1521170A Process of reutilization of poly ethylene glycol monomethyl ether byproducts from the reaction of methanol and ethylene oxide |
08/18/2004 | CN1162387C Process for preparing isoolefine and/or tertiary alkylether |
08/18/2004 | CN1162386C Process for directly converting methanol to alcohol-ether fuel |
08/12/2004 | DE10303881A1 Verfahren zur Herstellung von oligomeren aliphatischen Diolen, darauf basierenden Polycarbonatdiolen und deren Prepolymeren A process for the preparation of oligomeric aliphatic diols, polycarbonate diols and their prepolymers based on them |
08/11/2004 | EP1444241A2 Bidendate ligands for the carbonylation of unsaturated compounds |
08/11/2004 | EP1444176A2 Bidentate ligand for the telomerization of dienes |
08/11/2004 | EP1404636A4 Integrated process for synthesizing alcohols and ethers from alkanes |
08/11/2004 | CN1519220A Method for producing ether |
08/11/2004 | CN1161313C Process for making butyl ethers of glycols |
08/10/2004 | US6774270 Method of removing hexafluoropropylene dimers |
08/10/2004 | US6774267 Reacting a phenol compound with an aldehyde containing dialkoxymethyl or 1,3-dioxolan-2-yl group in presence of a base |
08/10/2004 | CA2070598C Production of bis(fluoromethyl)ether and difluoromethane |
08/05/2004 | WO2004065343A2 Polycondensation method employing dielectric heating, in particular for the production of polyglycerols and similar |
08/05/2004 | WO2004065338A1 Method for producing butene oligomers and tert-butyl ethers from c4 flows containing isobutene |
08/05/2004 | WO2004065006A1 Process for production of ethers |
08/05/2004 | WO2004014550A3 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions |
08/05/2004 | US20040152925 Continuous process for the preparation of polytrimethylene ether glycol |
08/05/2004 | US20040152861 Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof |
08/05/2004 | US20040149957 Ultraviolet radiation resistance; outdoor use; synthesis |
08/05/2004 | CA2513737A1 Process for production of ethers |
08/04/2004 | EP1443066A2 Process for the preparation of oligomeric aliphatic diols, polycarbonatediols prepared using these oligomeric aliphatic diols and their prepolymers. |
08/04/2004 | EP1442779A1 Process for purifying fluoroxy compounds |
08/04/2004 | EP1442098A2 Fischer tropsch composition and process |
08/04/2004 | EP1442003A1 Method for production of polyolalkyl ethers |
08/04/2004 | EP1183224B1 Process for preparing alkoxy or arylmethoxy aroxyethanes |
08/04/2004 | EP0906299B1 Process for preparing tetrahydrofuran from dialkoxybutenes |
08/04/2004 | CN1518534A Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
08/04/2004 | CN1160300C Process for preparation of acetic acid |
08/04/2004 | CN1160297C Method and apparatus for continuous synthesis of vinyl isobutyl ether |
08/04/2004 | CN1160296C Synthesis of propylene glycol ether and the catalyst applied |
08/03/2004 | US6770788 Reacting a substituted 1-bromo-1-fluoro-3-aryl-1-propene an arylmethyl zinc compound in the presence of a palladium catalyst and a solvent |
08/03/2004 | US6770776 Synthesis of fluorocarbon compounds |
08/03/2004 | US6770463 Process for the preparation of chiral isofluoroenes |
08/03/2004 | CA2067321C Perfluoropolyoxyalkylene endowed with a high viscosity and a low peroxide oxygen content, and process for preparing them |
07/29/2004 | WO2004063131A1 Method of purifying reduced coenzyme q |
07/29/2004 | US20040147789 Allyl esters substituted by a difluoromethylene group, their process of synthesis and their use, and a process for functionalizing a double bond |
07/29/2004 | US20040147757 Method for producing allyl compound, and ether or ester compound produced thereby |
07/29/2004 | US20040147392 Catalysis using halophosphine compounds |
07/29/2004 | US20040146454 Process for purifying fluoroxy compounds |
07/29/2004 | DE19949237B4 Vorstufenverbindung für Radiodiagnostika und Verfahren zu ihrer Herstellung Precursor for radio diagnostics and process for their preparation |
07/28/2004 | EP1280752B1 Method for producing 2-alkyl-3-chlorophenols |
07/28/2004 | EP0900775B1 Process for producing catechol derivatives |
07/28/2004 | CN1515532A Process for producing dihydric alcohol butyl ether |
07/28/2004 | CN1159270C Method for producing surfactant alcohols and surfactant alcohol ethers, resulting products and their use |
07/27/2004 | US6767923 Benzhydryl derivatives |
07/27/2004 | US6767565 Recovering lignans from plants; obtain plant biomass, expose to extraction solvent, separate solid plant material, remove microorganism from extraction solution, recover lignan |
07/22/2004 | WO2004018553A8 Methods for preparing ethers, halogenated ethers, fluoroethers as well as uses of the latter in fire extinguishing systems. |
07/22/2004 | US20040143023 Materials and methods for synthesizing stilbenes |
07/21/2004 | EP1439157A2 Method for producing Suzuki coupling compound catalysed by a nickel compound |
07/21/2004 | EP1438315A2 Improved precursors for chemical vapour deposition |
07/21/2004 | EP1438280A1 Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same. |
07/21/2004 | CN1513826A Method of extracting bi-(2-chloroisopropyl) ether |
07/21/2004 | CN1513825A Dimethyl ether separation technological method |
07/21/2004 | CN1158235C Prepn process of tri-and tetra-glycol methyl ether |
07/21/2004 | CN1158228C Productive process for isoalkene and/or tertiary alkyl ether |
07/20/2004 | US6765116 Adding and dissolving the rare earth salt in a c9-c30 active hydrogen containing organic compound; adding phosphoric acid to the rare earth/organic solution to produce fluid rare earth phosphate catalyst |
07/20/2004 | CA2267153C Synthesis of aryl ethers, methods and reagents related thereto |
07/15/2004 | WO2004037760A3 Process for producing optically active 2-alkoxy-1-(trifluoromethyl-substituted phenyl)ethanol derivatives |
07/14/2004 | EP1436254A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
07/14/2004 | CN1511817A Process for producing alpha-asarone raw material |
07/14/2004 | CN1157357C Preparation of cyclopropane esters |
07/13/2004 | US6762330 Making biaryls by reacting a grignard reagent and an aryl halide in the presence of a transition metal complex with a phosphine oxide or phosphine sulfoxide (hp(=s) type) as catalyst |
07/13/2004 | US6762329 Diaryl ether condensation reactions |
07/13/2004 | US6762279 Polyol processing |
07/08/2004 | WO2004056734A1 Process for producing anthracene diether |
07/08/2004 | WO2004056733A1 A microwave induced process for the preparation of substituted 4-vinylphenols |
07/08/2004 | US20040133047 Synthesis of 2-aryl-1-naphthol derivatives via a tandem palladium catalyzed arylation and dehydrogenation |
07/07/2004 | EP1435349A2 Integrated process for synthesizing alcohols and ethers from alkanes |
07/07/2004 | CN1511130A Uncatalysed addition reactions |
07/07/2004 | CN1510021A Method for preparing dimethyl ether by crude carbinol |
07/07/2004 | CN1156424C Process for preparing trifluomethoxybenzene |
07/06/2004 | US6759554 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
07/01/2004 | US20040127752 e.g., trimethoxytoluene by reacting the corresponding benzoic acids, benzoic esters or benzoic anhydrides with hydrogen in the presence of a catalyst. |
07/01/2004 | US20040126367 Oxidation resistance; storage at low temperature; overcoated with liposomes from soybean lecithin |
07/01/2004 | US20040126295 Destroying alkali halide in gas streams |
07/01/2004 | US20040124076 Mixing with hexafluoroisopropanol; adjust vapor pressure; separation by distillation |
06/30/2004 | EP1432666A1 Method for producing 1-olefins using palladium carbene compounds |
06/30/2004 | CN1508110A Method for preparing alkoxy compound by oxyalkylation |
06/30/2004 | CN1508109A Method for preparing alkoxy compound by oxyalkylation |
06/29/2004 | US6756512 Reacting 2-alkyl-1,3-dichlorobenzene with base in high boiling diluent; catalysis; continuous water removal; etherification, dechlorination |
06/24/2004 | WO2004052939A2 Ligands for metals and improved metal-catalyzed processes based thereon |
06/24/2004 | US20040118673 Microwave induced process for the preparation of substituted 4-vinylphenols |
06/24/2004 | DE10351434A1 Preparation of 2-alkyl-6-(het)aryl-difluoromethoxy-naphthalene, -tetralin and -decalin compounds, for liquid crystal display, involves converting naphthalene compound into carboxylic acid derivative and reaction with phenol compound |
06/23/2004 | EP1430165A2 Method for producing orthocarboxylic acid trialkyl esters |
06/22/2004 | CA2084016C Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts |
06/17/2004 | WO2004050594A1 Method for producing naphthalene derivatives |
06/17/2004 | US20040116617 Polymer-supported arylbis(perfluoroalkylsulfonyl)-methane |
06/17/2004 | US20040116538 Method for the preparation of 2-{2-[4-(4-chloro-1,2-diphenylbut-1-enyl)phenoxy}ethanol and its isomers |
06/16/2004 | CN1505598A Single-step method for producing toluene derivatives |
06/16/2004 | CN1504447A Preparing process for alkyne-ether |
06/16/2004 | CN1153765C 4-aryl-1-phenylalkyl-1,2,3,6-Tetrahydropyridines having neurotrophic and neuroprotective activity |
06/15/2004 | US6750372 Process for producing aryl ether |
06/10/2004 | WO2004048318A1 Improved process for the preparation of 1,3-substituted indenes |