| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
|---|
| 01/18/2006 | EP1246784B9 Reaction of carbonyl compounds with organometallic reagents |
| 01/18/2006 | CN1723181A Method of purifying reduced coenzyme Q |
| 01/18/2006 | CN1237040C Ethylene glycol diarylether preparation method |
| 01/18/2006 | CN1237037C Process for producing tetrafluoro benzenemethanols |
| 01/17/2006 | US6987204 Process for recovery of 1,1,1,3,3,3-hexafluoroisopropanol from the waste stream of sevoflurane synthesis |
| 01/17/2006 | US6987201 From tetrahydrofuran using acid catalysts |
| 01/12/2006 | US20060009660 Separation of bifunctional perfluoropolyethers (PFPEs) having -CH2OH termination from their mixtures with -CH2OH monofunctional PFPEs |
| 01/12/2006 | US20060008850 Combinatorial synthesis of PEG oligomer libraries |
| 01/11/2006 | EP1613428A2 An olefin epoxidation process and a catalyst for use in the process |
| 01/11/2006 | CN1720212A Reaction products of 2-propylheptanol with 1-halogen-2,3-epoxypropanes and 1-hydroxy-2,3-epoxypropane |
| 01/11/2006 | CN1235852C Method for extracting curcumin from peltate yam |
| 01/11/2006 | CN1235851C Method for producing alkenyl ethers |
| 01/10/2006 | US6984759 Perfluoropolyether preparation having reactive end groups -CH2NH2, -CHO, -CH2OH, by reduction of the corresponding perluoropolyethers having -CN, -COCL, -CHO end groups by using hydrogen gas and Pd, Rh or Ru on metal floride support |
| 01/05/2006 | US20060004233 Compound with fines of double metal cyanide complexes and butyl alcohol for light scattering catalyst |
| 01/05/2006 | US20060004232 reacting ethylene oxide with starter compounds selected from guerbet alcohols, in the presence of double-metal cyanide compounds as catalysts; etherification |
| 01/04/2006 | CN1717381A Polyglycerols, polyglycerol/fatty acid ester, and processes for producing these |
| 01/04/2006 | CN1234741C Polyvinyl ether compound and lubricating oil |
| 01/04/2006 | CN1234737C Polyvinyl ether compound and lubricating oil |
| 01/04/2006 | CN1234673C Synthesis method of diene crosslink agent 1, 4-di(4'- vinyl phenoxy) butane |
| 01/04/2006 | CN1234672C Process for producing alpha -asarin raw material |
| 01/03/2006 | US6982173 PFPEs having at least an alkylether end group and respective preparation process |
| 12/29/2005 | WO2005123643A1 Fluorine-containing vinyl ether compound and process for producing the same |
| 12/29/2005 | WO2005123641A1 Process for producing narrow range alkoxylates |
| 12/29/2005 | US20050288525 Reagents for asymmetric allylation, aldol, and tandem aldol and allylation reactions |
| 12/29/2005 | DE10138967B4 Verfahren zur Herstellung von 3-Alkoxypropanol A process for the preparation of 3-alkoxypropanol |
| 12/28/2005 | CN1714075A Improved process for the preparation of 1,3-substituted indenes |
| 12/28/2005 | CN1714065A Process for producing anthracene diether |
| 12/27/2005 | US6979460 lipid compounds with hydrophilic headgroups linked to the molecule through a vinyl ether linkage; use in liposome vesicle formation and the triggered release of the liposomal contents; drug delivery |
| 12/22/2005 | WO2005121157A1 Monophosphine compounds, transition metal complexes thereof and production of optically active compounds using the complexes as asymmetric catalysts |
| 12/22/2005 | WO2005121059A1 Method for producing ethers |
| 12/22/2005 | WO2005110957A3 Fluorinated ethers |
| 12/22/2005 | US20050283028 by acid catalyzed polycondensation of a diol (1,3-propanediol), purification, neutralization with a water-insoluble base (calcium hydroxide) and contacting with filter aid (diatomite, perlite and cellulose); avoids hydrolysis and yet provides product substantially free of catalyst derived end groups |
| 12/22/2005 | DE102005004055A1 Preparation of bis(alkylthio)carbenium salt comprises reaction of carbonic acid and (di)thiol compound with an acid; or a ketendithioketal compound with an acid, in the presence of a solvent system |
| 12/21/2005 | EP1607382A1 Method for producing narrow range alcoxylates |
| 12/21/2005 | EP1607381A1 Process for producing tetraalkoxypropane and derivative thereof |
| 12/21/2005 | EP1606230A1 Process for manufacture of an allyl ether |
| 12/21/2005 | CN1232492C Process for producing dihydric alcohol butyl ether |
| 12/20/2005 | US6977318 Propylene production |
| 12/20/2005 | US6977291 Production of polytrimethylene ether glycol and copolymers thereof |
| 12/20/2005 | US6977290 for use in the preparation of polyurethanes |
| 12/15/2005 | WO2005118585A1 Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation |
| 12/15/2005 | WO2005117907A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 12/15/2005 | WO2005100291A3 Method for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde |
| 12/15/2005 | WO2005092820A3 Synthesis of carbon-labeled perfluoroalkyl compounds |
| 12/15/2005 | US20050277772 Monophosphine compound, transition metal complex thereof and production method of optically active compound using the complex as asymmetric catalyst |
| 12/15/2005 | CA2569484A1 Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation |
| 12/14/2005 | EP1604948A1 Method for producing synthesis gas, method for producing dimethyl ether using synthesis gas and furnace for use in producing synthetic gas |
| 12/14/2005 | CN1231441C Process for continuous hydrolysis synthesis of guaiacol |
| 12/14/2005 | CN1231439C Novel hydronaphtalene compounds prepared by phodium catalyzed ring opening reaction in presence of phosphine ligand |
| 12/08/2005 | WO2005117082A1 Dry etching gases and method of dry etching |
| 12/08/2005 | WO2005095310A3 The utilization of zirconium and zirconium based alloys for the containment of halogen containing environments used in the production of olefins, alcohols, ethers, ethoxylates glycols, and olefin oxides from alkanes |
| 12/08/2005 | US20050272957 Process for preparing dibasic salts of bisphenols |
| 12/08/2005 | US20050272932 Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation |
| 12/08/2005 | US20050271610 Glycerol ether mixture, cosmetic composition containing this mixture and process for its production |
| 12/07/2005 | EP1602638A1 Process for the isolation of high-purity 2-methoxypropene |
| 12/07/2005 | EP1601637A1 Process and apparatus for the production of dimethyl ether |
| 12/07/2005 | EP1601384A1 Methods of radiofluorination of biologically active vectors |
| 12/07/2005 | EP1601348A2 Compositions and methods with enhanced therapeutic activity |
| 12/01/2005 | WO2005113476A1 Industrial process for acetals production in a simulated moving bed reactor |
| 12/01/2005 | WO2005113473A2 Process for producing indenol esters or ethers |
| 12/01/2005 | US20050267224 Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels |
| 12/01/2005 | DE102004022252A1 Glycerinethergemisch, dieses enthaltende kosmetische Zusammensetzung sowie Verfahren zu dessen Herstellung Glycerinethergemisch, this cosmetic composition containing as well as methods for its preparation |
| 11/30/2005 | EP1600449A1 Process for producing an ester, acetal, ketal, ether or alkyl glycoside |
| 11/30/2005 | CN1703487A Fischer tropsch composition and process |
| 11/30/2005 | CN1229319C Method for preparing 4-hydroxybenzaldehyde and its derivatives |
| 11/30/2005 | CN1229317C Method for synthesizing dimethyl ether at super acidic liquid phase |
| 11/29/2005 | US6969778 DDQ mediated one step dimerization of β-asarone or β-asarone rich Acorus calamus oil in the formation of novel neolignan |
| 11/24/2005 | WO2005110957A2 Fluorinated ethers |
| 11/24/2005 | WO2005110953A1 Derivatives of alcohols and olefins |
| 11/24/2005 | WO2005110951A1 Propylene production |
| 11/24/2005 | US20050261526 Contacting a crude mixture of fluoromethyl hexafluoroisopropyl ether and impurity selected from hydrogen fluoride, formaldehyde, paraformaldehyde, trioxane, hexafluoroisopropanol, bis(fluoromethyl) ether, a polyether, fluorinated olefin with an adsorbent having specific pore size to remove the impurity |
| 11/24/2005 | US20050261516 solvent-free transesterification, fluorination |
| 11/24/2005 | US20050261513 Process for producing indenol esters or ethers |
| 11/24/2005 | DE102004021129A1 Verfahren zur Isolierung von hochreinem 2-Methoxypropen A method for isolating high-purity 2-methoxypropene |
| 11/23/2005 | EP1597225A1 Process for preparing dimethylether from methanol |
| 11/23/2005 | EP1222026B1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation |
| 11/23/2005 | CN1701057A Method for producing alkoxylated products at optimized reaction pressures |
| 11/23/2005 | CN1228297C Method for synthesizing dialkoxy propane |
| 11/17/2005 | WO2005075392A3 Production process of 3-alkoxy-1-propanols, and 3-alkoxy-1-propanols obtained by the production process |
| 11/16/2005 | EP1594440A2 The selective and specific preparation of discrete peg compounds |
| 11/16/2005 | CN1227232C Process for preparing non-steroid glucocorticoid receptor regulator |
| 11/16/2005 | CN1227203C A process for preparation of 4,4'-dihalogen-O-hydroxydiphenyl compounds |
| 11/15/2005 | CA2287953C Process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 11/10/2005 | WO2005104774A2 Method of preparing alkoxylation catalysts and their use in alkoxylation processes |
| 11/10/2005 | WO2005070858A3 Method for the production of isopropenyl ethers |
| 11/10/2005 | WO2004078645A8 Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gas |
| 11/10/2005 | US20050250969 Propylene production |
| 11/10/2005 | US20050250964 PFPEs having at least an alkylether end group and respective preparation process |
| 11/09/2005 | EP1593370A1 Glycerin ether mixture, a composition comprising glycerin ether mixture and a process for making the same |
| 11/09/2005 | EP1592698A2 Phosphine compound, intermediate, palladium-complex, and use thereof |
| 11/09/2005 | EP1458699B1 A process and systems for the epoxidation of an olefin |
| 11/09/2005 | CN1694859A Purification of methyl tertiary butyl ether |
| 11/09/2005 | CN1226263C Preparing method for 3-e menthyloxy -1,2-propanediol |
| 11/09/2005 | CN1226262C Separation method of dimethyl ether prepared with synthetic gas through one-step process |
| 11/09/2005 | CN1226261C Liquid-liquid extraction process of dioxyethyl methane and water solution of ethanol |
| 11/08/2005 | US6963014 C13 alcohol mixture and functionalised C13 alcohol mixture |
| 11/08/2005 | US6963013 Such as perfluorovinyl perfluoro(ethoxymethyl) ether; the (-OCF2O-) unit bound to the ethylene unsaturation increases the vinyl ether reactivity drastically reducing the rearrangements to carbonyl fluoride which cause instability |
| 11/08/2005 | US6962999 Using a nickel or palladium catalyzed coupling in which the catalyst has at least one phosphine or phosphite ligand |
| 11/03/2005 | WO2005103105A1 Stereoregular aromatic polymer |
| 11/03/2005 | WO2005102976A1 Process for preparing nonaethylene glycol monomethyl ether |