| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 03/23/2005 | CN1597652A Synthesis method of diene crosslinking agent 1, 4-di(4'- vinyl phenoxy) butane |
| 03/23/2005 | CN1597651A Production method of alpha methoxg naphthulein |
| 03/23/2005 | CN1597650A Ether kind compound containing cyclopentyl and its synthesis method and application |
| 03/23/2005 | CN1597649A Method of synthesizing 2-hydroxyproply method ether using loading type aldaline catalyst |
| 03/23/2005 | CN1193980C Method for synthesizing stereoselectvely and efficiently diphenyl butane lignan compound |
| 03/17/2005 | WO2005023880A1 Method for producing compound having acid-labile group |
| 03/17/2005 | WO2005023743A1 Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal |
| 03/17/2005 | WO2005023735A2 Carbon-carbon bond creation method comprising the coupling of a transferable group and an acceptor group |
| 03/17/2005 | WO2005023731A2 Method for forming a carbon-carbon or carbon-heteroatom bond |
| 03/17/2005 | WO2004087061A3 Tubulin binding agents and corresponding prodrug constructs |
| 03/17/2005 | US20050059839 To methyl formate, dimethoxymethane, diethoxyethane or formaldehyde; catalysis using ruthenium oxide or other Group VIII metal oxide; esterification, etherification, carbonylation; catalyst selectivity |
| 03/17/2005 | US20050059799 Substantiallymonodispersed mixtures of polymers having polyethylene glycol moieties |
| 03/16/2005 | EP1514955A1 Method for distilling an electrolyte containing tmof |
| 03/16/2005 | EP1514861A1 Process for producing allyl ether |
| 03/16/2005 | EP1513801A2 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 03/16/2005 | EP1513792A2 Methods for preparing ethers, halogenated ethers, fluoroethers as well as uses of the latter in fire extinguishing systems |
| 03/16/2005 | EP1513791A2 Process and apparatus for catalytic distillations |
| 03/16/2005 | EP0812308B1 Method for synthesis of aryl difluoromethyl ethers and the like |
| 03/16/2005 | CN1596261A Bidentate ligands for the carbonylation of unsaturated compounds |
| 03/16/2005 | CN1594254A (4-(4'-trifluoromethyl)phenoxy phenyl)-hydroquinone and its synthesis method and application in polymer material |
| 03/16/2005 | CN1594253A Synthesis method of long carbon chain alkyl diphenyl ether/long carbon chain alkyl substituted diphenyl ether |
| 03/16/2005 | CN1192997C Synthetic method for fluoromethylation of halogenated alcohols |
| 03/16/2005 | CN1192992C Method for producing alcohol surfactants and alcohol ether surfactants, products obtained and their use |
| 03/15/2005 | US6867335 Carene epoxide intermediate that has been used as a precursor to tetrahydrocannabinoids |
| 03/15/2005 | US6867323 Cross-coupling reaction of organosilicon nucleophiles |
| 03/15/2005 | US6867310 Synthesize efficiently and under mild conditions alpha -aryl and alpha -vinyl products from a wide range of starting materials, including ketones, esters, hydrazones, and imines, enantiomorphs |
| 03/15/2005 | US6867307 Intermediates for use in the preparation of vitamin E |
| 03/15/2005 | US6867298 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency |
| 03/10/2005 | WO2005021562A2 Phospinite-imidazolines and metal complexes thereof |
| 03/10/2005 | WO2005021472A2 Fluoridation of electron rich aromatic systems |
| 03/10/2005 | US20050054883 1-hydroxy-1-(5-norbornene-2-yl)-2,2,4,4,4-pentafluorobutane-3-one; 1-(5-norbornene-2-yl)-2,2,4,4,4-pentafluorobutane-1,3,3-triol; excellent in transparency to irradiation, dry etching resistance, has low hydrophobicity, excellent in development characteristics, useful for photoresist resin |
| 03/10/2005 | US20050054882 Diaryl ether condensation reactions |
| 03/10/2005 | US20050054870 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile |
| 03/10/2005 | US20050054632 Naphthyl compounds, intermediates, compositions, and methods of use |
| 03/10/2005 | CA2536869A1 Phospinite-imidazolines and metal complexes thereof |
| 03/09/2005 | EP1254881B1 Process for producing aryl ether |
| 03/09/2005 | CN1592725A Bidentate ligands of diolefin telomerization |
| 03/09/2005 | CN1192048C Process for preparing polytrimethylene ether glycol and copolymers thereof |
| 03/09/2005 | CN1192025C Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids |
| 03/08/2005 | US6864397 E.g., 1-(4-(4-pentylcyclohexyl)cyclohexyldifluoromethoxy)-4 -trifluoromethoxybenzene; preparation from difluorocyclo-hexylidenes, e.g. 1-(4-(trans-4-propylcyclohexyl)cyclohexyl-difluoromethoxy)-3,4,5 -trifluorobenzene; liquid crystals |
| 03/08/2005 | US6863211 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 03/08/2005 | CA2164685C Method for producing an alcohol |
| 03/03/2005 | WO2005019143A1 Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes |
| 03/03/2005 | WO2005019139A2 Process for producing 1-octene from butadiene |
| 03/03/2005 | WO2005019138A2 Process for producing detergent molecules comprising an ether linkage from butadiene |
| 03/03/2005 | WO2005003069A3 Process for the alkoxylation of monools in the presence of metallo-organic framework materials |
| 03/02/2005 | EP1510536A1 Method for producing polyether alcohols |
| 03/02/2005 | CN1589266A Process and systems for the epoxidation of an olefin |
| 03/01/2005 | US6861566 By reacting 1-bromo-3-chloropropane with a benzylmagnesium halide compound |
| 02/24/2005 | WO2005017185A2 HEPATOCYTE NUCLEAR FACTOR 4α MODULATOR COMPOUNDS |
| 02/24/2005 | US20050043572 receiving gas phase hydrocarbons resulting from operation of an offshore petroleum well, reacting with halides to form intermediates, then oxidizing to form liquid products, then remixing |
| 02/24/2005 | DE10155058B4 Verfahren zur Herstellung von Polyolalkylethern A process for preparing polyol alkyl ethers |
| 02/23/2005 | EP1191011B1 Process for the preparation of medium and long chain dialkyl ethers |
| 02/23/2005 | CN1583701A Environmental protection cleaning process for preparing high-purity ortho-acetate |
| 02/23/2005 | CN1583696A Preparation of bisphenols salts |
| 02/23/2005 | CN1583264A Catalyst of direct synthetic dimethyl ether and preparing method thereof |
| 02/23/2005 | CN1583262A Phosphorous-aluminium-mixed oxide catalyst, process for its preparation and use thereof |
| 02/23/2005 | CN1190405C Separation technology for refining dimethyl ether while recovering carbon dioxide |
| 02/23/2005 | CN1190265C Catalyst for ethoxylation and use thereof |
| 02/22/2005 | US6858757 Catalytic decarboxylation; pollution control |
| 02/22/2005 | CA2129039C Tri-substituted phenyl derivatives as phosphodiesterase inhibitors |
| 02/17/2005 | WO2005014514A1 Process for producing 4-hydroxydiphenyl ether |
| 02/17/2005 | WO2005014513A1 Method for producing fluorine-containing alkyl ether |
| 02/17/2005 | US20050038305 Simultaneous catalytic dimerization and alkoxylation; hydrogenating then eliminating alkoxy group; distillation purification; economical |
| 02/17/2005 | US20050038300 Claisen rearrangement of an allyl, vinyl ether in a mixture of dienes with heat, separating the product from a non-allyl ether diene producing a pure diene for polymerization; |
| 02/17/2005 | US20050038289 Chemical reactions in compressed carbon dioxide |
| 02/17/2005 | US20050038273 Reacting acyclic olefins having at least two conjugated double bonds or mixtures comprising said acyclic olefins with nucleophiles in the presence of a palladium-carbene complex catalyst; catalyst selectivity; e.g., reacting 1,3-butadiene and methanol to produce 2,7-octadien-1-yl methyl ether |
| 02/17/2005 | US20050038129 Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether |
| 02/17/2005 | US20050037940 Process for producing detergent molecules comprising an ether linkage from butadiene |
| 02/17/2005 | US20050037289 monomers that can be homopolymerized or copolymerized with other reactive components to make resins within sub-200 nanometer (nm) photoresist compositions |
| 02/17/2005 | DE19946228B4 Verfahren zur Herstellung eines Benzol-Derivates Process for the preparation of a benzene derivative |
| 02/17/2005 | DE10332229A1 Production of ethoxymethyl ethers, e.g. of cycloaliphatic alcohols, involves reacting formaldehyde diethyl acetal with the alcohol in presence of acid catalyst and an additive which forms a low-boiling azeotrope with ethanol |
| 02/17/2005 | DE10054462B4 Kontinuierliches Verfahren zur Alkoxylierung in der Flüssigphase A continuous process for alkoxylation in the liquid phase |
| 02/16/2005 | EP1506958A1 Process for producing shogaol and intermediates for the synthesis thereof |
| 02/16/2005 | EP1506938A2 Carbon nanotube structure, method and liquid solution for manufacturing the same and carbon nanotube transfer body |
| 02/16/2005 | CN1580023A Method for synthesizing dimethyl ether at super acidic luquid phase |
| 02/16/2005 | CN1189439C Alcohol ether material and alcohol hydrocarbon material and synthetic ammonia coproduction process |
| 02/10/2005 | WO2005012209A2 Catalyzed enantioselective transformation of alkenes |
| 02/10/2005 | US20050033094 Process for preparing aryl allyl ethers |
| 02/10/2005 | US20050032627 Catalytic hydrogenation of such as 3,4,5-trimethoxybenzaldehyde to form 3,4,5-trimethoxytoluene; high yield, low cost |
| 02/09/2005 | EP1505050A1 Bridged carbocyclic compounds and methods of making and using same |
| 02/09/2005 | EP1505049A1 A process for the selective production of dialkyl-polyformals |
| 02/09/2005 | EP1503976A1 C sb 10 /sb -ALKANOLALKOXYLATE MIXTURES AND THE USE THEREOF |
| 02/09/2005 | EP1453813A4 IMPROVED PURIFICATION OF 4, 4'(5')-DI- i t /i -BUTYLCYCLOHEXANO-18-CROWN-6 |
| 02/09/2005 | EP1313560A4 CATALYST FOR AROMATIC C-O, C-N, and C-C BOND FORMATION |
| 02/09/2005 | EP1206318B1 Perfluorosulfonylmethide compounds; use thereof for carbon-carbon bond formation |
| 02/09/2005 | EP1175382B1 Method for the dihydroxylation of olefins using transition-metal catalysts |
| 02/09/2005 | CN1188392C Process for synthesis of hydrocarbonfluoride |
| 02/09/2005 | CN1188379C Method of extracting essential oil and natural benzaldehyde from fruit skin and pulp of garlic fruit |
| 02/09/2005 | CN1188211C Preparation and use of ionic liquids in microwave-assisted chemical transformation |
| 02/02/2005 | EP1502908A1 Process for fluorurating ethers |
| 02/02/2005 | EP1501776A1 C sb 10 /sb -alkanolalkoxylates and the use thereof |
| 02/02/2005 | EP1501775A1 Alkoxylate mixtures and detergents containing the same |
| 02/02/2005 | CN1572761A Method for producing ditrimethylolpropane |
| 02/01/2005 | US6849768 Improved solid acid catalysts |
| 02/01/2005 | US6849194 Reacting methanol with hexafluoropropene in presence of a base |
| 01/27/2005 | DE10014674B4 Verfahren für die Extraktion und Isolierung von Phyllanthin A process for the extraction and isolation of phyllanthin |
| 01/26/2005 | EP1499575A1 Method for producing anis alcohol |
| 01/26/2005 | CN1571790A Improved precursors for chemical vapour deposition |
| 01/26/2005 | CN1571764A Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same |