| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 09/14/2005 | CN1666818A Composite zeolite catalyst for preparing alcohol and ether compounds and preparation thereof |
| 09/14/2005 | CN1219021C Process for recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 09/14/2005 | CN1218920C Process for extracting setoglaucine from dendrobium stem |
| 09/13/2005 | US6943272 Norbornane and norbornene derivatives, use thereof and perfumed products containing same |
| 09/10/2005 | CA2500136A1 Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers |
| 09/09/2005 | WO2005082824A1 Method for the preparation of aryl ethers |
| 09/09/2005 | WO2005082823A1 Novel molecular compound |
| 09/09/2005 | CA2556063A1 Method for the preparation of aryl ethers |
| 09/08/2005 | US20050197510 Synthesis of carbon-labeled perfluoroalkyl compounds |
| 09/07/2005 | EP1483226B1 Improved method for the production of 4-(6-bromohexyloxy) butylbenzene |
| 09/07/2005 | CN2723451Y Device for producing dimethyl ether by methanol dewatering through mixed phase method |
| 09/07/2005 | CN1665779A Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 09/07/2005 | CN1665769A Fluorine-containing unsaturated compound and method for its production |
| 09/07/2005 | CN1665768A Fluorine-containing alcohol and method for its production |
| 09/07/2005 | CN1665767A An alkoxylate mixture and its use as a cleaning agent for hard surfaces |
| 09/07/2005 | CN1665766A Method for producing high-purity methyl tert-butyl ether |
| 09/07/2005 | CN1665765A Method for the telomerisation of non-cyclic olefins |
| 09/07/2005 | CN1217941C Process for operating the epoxidation of ethylene |
| 09/07/2005 | CN1217885C Method for producing ketal and/or acetal |
| 09/07/2005 | CN1217884C Method and device for preparing acetal and ketal |
| 09/01/2005 | WO2005079537A2 A method for preparing para-(2-hydroxyalkyloxy) styrene monomers and oligomers |
| 09/01/2005 | WO2004085358A8 Process for producing tetraalkoxypropane and derivative thereof |
| 09/01/2005 | US20050192468 Hydrocarbon conversion process improvements |
| 09/01/2005 | US20050192456 Method for producing a fluorinated ester compound |
| 09/01/2005 | US20050192363 Process for the preparation of an alkoxylated alcohol composition |
| 08/31/2005 | EP1568677A1 Polyglycerols, polyglycerol/fatty acid ester, and processes for producing these |
| 08/31/2005 | EP1568676A1 Process for preparing fluorohalogenethers |
| 08/31/2005 | EP1567483A1 Improved process for the preparation of 1,3-substituted indenes |
| 08/31/2005 | CN1662482A Alkoxylate mixtures and detergents containing the same |
| 08/31/2005 | CN1660745A Method for preparing 3-hydroxy-4, 3', 4', 5' tetramethoxy bibenzil |
| 08/31/2005 | CN1660744A Method for synthesizing aryl oxide chloride by using phenol chloride and alkyl chloride |
| 08/31/2005 | CN1660743A Method for synthesizing 4-methoxy styrene |
| 08/31/2005 | CN1660742A New technique for synthesizing 2-alkoxyl propylene |
| 08/31/2005 | CN1660740A Process for preparing fluorohalogenethers |
| 08/31/2005 | CN1216841C Method for preparing trimethylolpropane allyl ether |
| 08/30/2005 | US6936739 Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols |
| 08/30/2005 | US6936722 Polyhalogenated ethers |
| 08/25/2005 | WO2005077872A1 Cyclitol separation method |
| 08/25/2005 | US20050187399 Asymmetric epoxidation of cinnamyl alcohol; oxidation, cyclization in base; amination, sulfonation, silylation, deblocking; enantioselectivity; chemical intermediates |
| 08/25/2005 | US20050187392 Hydrolytic kinetic resolution of cyclic substrates |
| 08/24/2005 | EP1566374A1 Process for preparing fluorohalogenethers |
| 08/24/2005 | CN1659125A Process and apparatus for catalytic distillations |
| 08/24/2005 | CN1657516A Process for preparing high-purity orthoformate |
| 08/24/2005 | CN1657515A Method for directly preparing dimethyl ether from synthesis gas |
| 08/24/2005 | CN1657163A Catalyst used for preparing dimethyl ether directly from synthetic gas |
| 08/24/2005 | CN1216018C Method of preparing surface-active alcohols and surface-active alcoholic ethers, products obtained by said method and their use |
| 08/23/2005 | US6933257 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
| 08/18/2005 | WO2005075392A2 Production process of 3-alkoxy-1-propanols, and 3-alkoxy-1-propanols obtained by the production process |
| 08/18/2005 | WO2005075386A2 Co-production of hydrocarbons and dimethyl ether |
| 08/18/2005 | WO2005075384A1 Process for production of aromatic compounds |
| 08/18/2005 | WO2005051876A3 Method for c-allylation of phenols |
| 08/18/2005 | US20050182284 Contacting feedstock containing olefin having 4 or 5 carbon atoms under oligomerization conditions with selectivated crystalline molecular sieve oligomerization catalyst and recovering oligomeric product, of which a dimeric or trimeric component has average degree of brancing of at most 2 |
| 08/18/2005 | US20050181967 C<sb>10</sb>-alkanolalkoxylates and the use thereof |
| 08/18/2005 | DE102004003245A1 Verfahren zur destillativen Gewinnung von reinen Isopropenylethern A method for obtaining pure distillation isopropenyl |
| 08/18/2005 | DE102004003239A1 Verfahren zur Regenerierung eines Festbettkatalysators Process for regenerating a fixed bed catalyst |
| 08/18/2005 | DE102004003238A1 Verfahren zur Herstellung von Isopropenylethern Process for the preparation of isopropenyl |
| 08/18/2005 | CA2555453A1 Cross-coupling process for production of aromatic compounds from aliphatic organic compounds and aromatic organometallic reagents |
| 08/17/2005 | EP1562998A2 Novel phase change solvents |
| 08/17/2005 | EP1562883A1 Purification of methyl tertiary butyl ether |
| 08/17/2005 | EP1397413B1 Methods of synthesizing substantially monodispersed mixtures of polymers having polyethylene glycol moieties |
| 08/17/2005 | EP0980348B1 Process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 08/17/2005 | CN1215029C Method for preparing alkoxy compound by oxyalkylation |
| 08/16/2005 | US6930211 Production methods of citalopram and intermediates therefor |
| 08/16/2005 | US6930206 A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said components is fed to divided wall column having a catalytic structure |
| 08/11/2005 | WO2005012209A3 Catalyzed enantioselective transformation of alkenes |
| 08/11/2005 | WO2004078126A3 Compositions and methods with enhanced therapeutic activity |
| 08/10/2005 | EP0939752B1 Manufacture of fluorinated compounds |
| 08/10/2005 | CN1653081A C-17 spirolactonization and 6, 7 oxidation of steroids |
| 08/10/2005 | CN1653023A Method for producing C13-alcohol mixtures |
| 08/10/2005 | CN1651380A Method of synthesizing dihalogenated aromatic ether by phase transfer |
| 08/10/2005 | CN1651379A New technology of synthesizing 4-[2-(cyclo propyl methoxy] ethyl] phenol |
| 08/10/2005 | CN1651378A New hydrofluoro ether and its preparation method |
| 08/10/2005 | CN1651377A Preparation method of isoflurane |
| 08/10/2005 | CN1213979C Process for preparation of high-grade secondary alcohol alkoxyl compound oxyalkylene adduct or sulfate mixture of high-grade secondary alcohol alkoxyl compound |
| 08/09/2005 | US6927310 Purification, separation, reducing aldehyde amount by neutralizing |
| 08/04/2005 | WO2005070858A2 Method for the production of isopropenyl ethers |
| 08/04/2005 | WO2005070857A1 Method for the destillative production of pure isopropenyl ethers |
| 08/04/2005 | WO2005070538A2 Method for regenerating a fixed-bed catalyst |
| 08/04/2005 | WO2004056734A8 Process for producing anthracene diether |
| 08/04/2005 | US20050171388 Process for preparing fluorohalogenethers |
| 08/04/2005 | US20050171379 Separation of diastereoisomers |
| 08/04/2005 | US20050171371 Method for the reduction of binaphthyl derivatives |
| 08/04/2005 | US20050170991 Alkoxylate mixtures and detergents containing the same |
| 08/03/2005 | EP1432666B1 Method for producing 1-olefins using palladium carbene compounds |
| 08/03/2005 | EP1322601B1 Method for sulphonylating a hydroxylated organic compound |
| 08/03/2005 | EP1163196B1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use |
| 08/03/2005 | CN1649813A C10-alkanolalkoxylate mixtures and the use thereof |
| 08/03/2005 | CN1649812A C10-alkanolalkoxylates and the use thereof |
| 08/03/2005 | CN1213012C Method of extracting bi-(2-chloroisopropy) ether |
| 08/02/2005 | US6924399 Method of manufacturing dimethyl ether |
| 07/28/2005 | WO2005068997A1 Chromatographic method for the analysis of both in process and finished sevoflurane |
| 07/28/2005 | WO2005042443A3 Method for the production of orthoesters |
| 07/28/2005 | WO2005001432A3 Optical fluids, and systems and methods of making and using the same |
| 07/28/2005 | US20050164522 Optical fluids, and systems and methods of making and using the same |
| 07/28/2005 | CA2552617A1 Chromatographic method for the analysis of both in process and finished sevoflurane |
| 07/27/2005 | EP1557221A1 Processes for the recovery and recycling of boron trifluoride or complexes thereof |
| 07/27/2005 | EP1556390A2 Functionalized ionic liquids, and methods of use thereof |
| 07/27/2005 | CN1646540A Functionalized ionic liquids, and methods of use thereof |
| 07/27/2005 | CN1646457A Liquid vegetable unsaturated alcohol and process for producing the same |
| 07/27/2005 | CN1646426A Metallized mesoporous silicate and method of oxidation with the same |