| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 08/27/2008 | CN101250093A Preparation method of tripropylene glycol |
| 08/27/2008 | CN101250092A Method for synthesizing hydroxyl aryl ether |
| 08/27/2008 | CN101249448A Catalyst for methanol dewatered dimethyl ether and preparation method thereof |
| 08/27/2008 | CN100413855C Curable polycyclic compounds and process for the production thereof |
| 08/27/2008 | CN100413836C Water heating synthesis of diaryl ether |
| 08/26/2008 | US7417172 Perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process |
| 08/26/2008 | US7417004 highly efficient synthesis of dimethyl ether via dehydration of methanol; composed of hydrophobic zeolites, cations selected from alkali metal, alkaline earth metal, or ammonium along with alumina, silica, or silica-alumina |
| 08/21/2008 | WO2008099765A1 Crystalline polymorph of fluorene derivative and process for production thereof |
| 08/21/2008 | WO2008099060A2 Methods for the preparation of fispemifene from ospemifene |
| 08/21/2008 | WO2008099059A1 Method for the preparation of therapeutically valuable triphenylbutene derivatives |
| 08/21/2008 | US20080200732 Using grignard reagent and blocking agent and copper halide catalyst; deblocking; oxidation; separation; crystallization |
| 08/21/2008 | CA2677861A1 Method for the preparation of therapeutically valuable triphenylbutene derivatives |
| 08/20/2008 | EP1958929A1 Process for producing polyglyceryl ether derivative |
| 08/20/2008 | CN101244991A Method for extracting and purifying sequoyitol by using solvent deposition |
| 08/20/2008 | CN101244990A Production method for 1-hydroxyethyl-4-oxygen ethyl-hydroxyethyl benzenediether and 1-hydroxyethyl-3-oxygen ethyl-hydroxyethyl benzenediether |
| 08/20/2008 | CN101244989A Method for producing 1,4-dihydroxyethyl phenyl diether (HQEE) and 1,3-dihydroxyethyl phenyl diether (HER) |
| 08/20/2008 | CN101244988A Method for extracting paclitaxel extract, extracting and purifying sequoyitol |
| 08/20/2008 | CN101244987A Method for extracting and purifying sequoyitol by using solvent circulation reflux |
| 08/20/2008 | CN101244986A 二甲醚反应器 DME reactor |
| 08/20/2008 | CN100412045C Process for the production of vinyl compound |
| 08/20/2008 | CN100412044C Method for producing alkanol alkoxylates at optimal reaction temperatures |
| 08/19/2008 | US7414159 for separating liquid mixtures of polyoxymethylene glycols; catalyzes, in the liquid film, a chemical reaction in which at least one readily volatile component is formed |
| 08/19/2008 | US7414157 Hydroxylation of β-dicarbonyls with zirconium catalysts |
| 08/13/2008 | EP1581467A4 Ligands for metals and improved metal-catalyzed processes based thereon |
| 08/13/2008 | CN101243031A Process for the preparation of ubihydroquinones and ubiquinones |
| 08/13/2008 | CN101243030A Method for producing 4-halocatechol compound |
| 08/13/2008 | CN101239891A Method for synthesizing nonyl phenol polyoxyethylene polyoxypropylene ether |
| 08/13/2008 | CN100410304C Synthetic method for crosslinking agent-pentaerythritol allyl ether for high molecular polymerization |
| 08/12/2008 | US7411100 Process for the preparation of ring compounds |
| 08/12/2008 | US7411082 Synthesizing method for compound, and catalyst for synthesis reaction |
| 08/12/2008 | US7410555 Process and apparatus for catalytic distillations |
| 08/07/2008 | WO2008093879A1 Method for producing conjugated aromatic compound |
| 08/07/2008 | DE60036936T2 Verfahren zur kontinuierlichen herstellung von einem dialkylcarbonat und diol A process for the continuous production of a dialkyl carbonate and diol |
| 08/07/2008 | CA2677253A1 Formulations of lipophilic bioactive molecules |
| 08/06/2008 | CN101238088A An integrated process for the co-production of methanol and demethyl ether from syngas containing nitrogen |
| 08/06/2008 | CN101238082A Dehydration of alcohols to form alkenes or ethers |
| 08/06/2008 | CN101234955A Method for preparing 3-methoxyl-4-t-butyltoluene |
| 08/06/2008 | CN101234954A Method for synthesizing octodecyl alcohol polyoxyethylene ether |
| 08/06/2008 | CN101234953A Method for synthesizing hexade/octode mixing alcohol polyoxyethylene |
| 08/06/2008 | CN101234952A Method for preparing dimethyl ether by raw material gas direct synthesis |
| 08/06/2008 | CN100408528C Method for producing C13-alcohol mixtures |
| 08/05/2008 | US7407676 Recovering lignans from plants; obtain plant biomass, expose to extraction solvent, separate solid plant material, remove microorganism from extraction solution, recover lignan |
| 08/05/2008 | CA2306129C Preparation of isoflurane by reaction of 2,2,2-trifluoroethyl difluoromethyl ether and chlorine in added water, at low temperatures and/or at higher conversions |
| 07/31/2008 | WO2008090268A1 Dehydration of methanol into dimethyl ether using catalysts containing a zeolithe on a silicon carbide substrate |
| 07/31/2008 | US20080183020 Catalytic conversion of alcohols to aldehydes and ketones |
| 07/31/2008 | DE102007003500A1 Verfahren und Vorrichtung zur Herstellung von Alkylenoxidanlagerungsprodukten Method and apparatus for preparing alkylene oxide |
| 07/31/2008 | CA2671862A1 Dehydration of methanol to dimethyl ether using catalysts based on a zeolite supported on silicon carbide |
| 07/30/2008 | EP1950267A1 Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels |
| 07/30/2008 | CN101233263A Process for preparing 1,1,4,4-tetraalkoxybut-2-ene derivatives |
| 07/30/2008 | CN101229993A Method for synthesizing 2-(4-hydroxyphenyl)-2-(4-methoxyphenyl)propane |
| 07/29/2008 | US7405330 Preparation of polytrimethylene ether glycol and copolymers thereof |
| 07/29/2008 | CA2323315C Process for the preparation of piperidinylaminomethyl trifluoromethyl cyclic ether compounds |
| 07/24/2008 | US20080176782 reacting alcohols having at least three hydroxyl groups with unsaturated hydrocarbon, in the presence of acid catalysts, to form ethers, used as surfactants in laundry detergents and cleaning compounds |
| 07/23/2008 | CN101225159A Method for producing polyether-type defoaming agent |
| 07/23/2008 | CN101225030A Method for utilizing thermal energy during continuous synthesis of glyphosate |
| 07/23/2008 | CN101225027A Compound (E)-4-hydroxy-3,5-dimethoxystilbene and preparation thereof |
| 07/23/2008 | CN101225026A Fluorine substituted-4,4'-biphenyl diphenol diiallyl ether and synthetic method |
| 07/23/2008 | CN101224432A Integral supported carbon molecular sieve catalyst, preparing method and applications thereof |
| 07/23/2008 | CN101224431A Catalyst for methanol oxidation to methylal by one step, preparing method and applications thereof |
| 07/22/2008 | US7402711 Polymerizing tetrahydrofuran in the presence of a catalyst, an accelerator, and an ionic liquid composed of 5-methyl-2-pyrrlidon-1-ylalkylammonium organosulfonate or organosulfonimide at 0-75 degrees C. and separating the polymer from the ionic liquid that contains the catalyst |
| 07/17/2008 | WO2008085267A1 Process for reducing side-reactions during alkylene glycol and poly-alkylene glycol manufacturing |
| 07/17/2008 | WO2007015260A3 Improvement in synthesis of butylated hydroxyanisole from tertiary butyl hydroquinone |
| 07/17/2008 | CA2673036A1 Process for reducing side-reactions during alkylene glycol and poly-alkylene glycol manufacturing |
| 07/16/2008 | EP1943205A1 Process for preparing of 2-alkyl 3-aryl prop-2-2ene-1-ols |
| 07/16/2008 | EP1636155A4 Phase transfer catalysis scrubber |
| 07/16/2008 | CN101223121A Preparation of glycerol derivatives and intermediates therefor |
| 07/16/2008 | CN101223120A Honokiol derivatives for the treatment of proliferative disorders |
| 07/16/2008 | CN101219938A Guaiacol synthesizing method |
| 07/16/2008 | CN101219937A Device for producing dimethyl ether with methanol dehydration |
| 07/16/2008 | CN101219936A Process for producing dimethyl ether with methanol dewatered production |
| 07/16/2008 | CN100402479C Synthesis process of 1,2,3-trimethoxy benzene |
| 07/10/2008 | WO2008082709A2 Preparation of high assay decabromodiphenyl oxide |
| 07/10/2008 | WO2008021698A3 Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material |
| 07/10/2008 | US20080167503 short chain polyols with monohydric alcohols in the presence of a catalyst; insoluble polymeric catalyst removed by filtration |
| 07/10/2008 | US20080167502 Method For Producing an Dmc Catalyst |
| 07/10/2008 | US20080167501 continuous process for the preparation of a polyoxyalkylene polyether; continuous addition of starter; continuously introducing into the reactor fresh catalyst; Modified-calcium hydroxide or modified calcium oxide and lanthanum phosphate catalysts exhibit catch-up kinetics |
| 07/09/2008 | EP1940761A1 Preparation of polytrimethylene ether glycol and copolymers thereof |
| 07/09/2008 | CN101215227A Integration method for preparing o-methyl allyloxyphenol |
| 07/09/2008 | CN101215226A Method for synthesizing alpha-asarone |
| 07/09/2008 | CN101215225A Method for producing perfluoroalkyl vinyl ether |
| 07/09/2008 | CN101215224A Low energy-consumption method for preparing dimethyl ether from methanol |
| 07/09/2008 | CN100400489C Production technology of bi-tribydroxy methyl propane and/or trihydroxy methyl propane methylal |
| 07/08/2008 | US7396963 Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents |
| 07/08/2008 | US7396948 Process for fluoro derivative-substituted aryl pnictogens and their oxides |
| 07/08/2008 | US7396487 Ultraviolet radiation resistance; outdoor use; synthesis |
| 07/08/2008 | CA2618317A1 High productivity alkoxylation processes |
| 07/03/2008 | DE112005000879T5 Geträgerte Rutheniumnanoteilchen-Katalysatoren für die cis-Dihydroxylierung und oxidative Spaltung von Alkenen Ruthenium nanoparticles supported catalysts for the cis-dihydroxylation and oxidative cleavage of alkenes |
| 07/02/2008 | EP1937617A1 Process for preparing partial oxidation products of lower alcohols by direct oxidation of a lower alcohol and catalysts for use in that process |
| 07/02/2008 | CN101213168A Method of making fluorinated vinyl ethers |
| 07/02/2008 | CN100398504C Process for synthesizing tripentaerythritol |
| 07/02/2008 | CN100398503C Environment-friendly method for preparing high thermal decomposition temperature octobromo ether |
| 07/01/2008 | US7393985 Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes |
| 07/01/2008 | US7393961 Nonexplosive intermediates for preparation of fluoropolymers; environmentally friendly; including stable, high yield hypofluorite reactive molecules |
| 06/26/2008 | WO2008055941A8 Process for preparing of 2-alkyl-3-aryl-prop-2 ene-1-ols |
| 06/26/2008 | US20080154068 removing acetonitrile impurity, from olefinic cut before etherifying isoolefin with an alcohol, by liquid-liquid extraction using nonaqueous ionic liquid of general formula Q+A-, Q+ is an ammonium, phosphonium, guanidinium and/or sulfonium cation, and A- an anion forming a liquid salt with cation |
| 06/26/2008 | DE102007057927A1 Preparation of polyether alcohol, useful e.g. to produce flow improvers of building materials, comprises reacting an alkyl oxide with an unsaturated compound having an active hydrogen atom per molecule, in the presence of a basic catalyst |
| 06/25/2008 | CN101205174A Method for preparing p-alkoxy phenol |
| 06/25/2008 | CN101205173A Method for synthesizing o-hydroxy phenetole |
| 06/25/2008 | CN101205172A Method for producing dimethyl ether by fluidized catalytic gas-phase dehydration of methanol |
| 06/25/2008 | CN101205171A Method for preparing dimethyl ether by dehydration of methanol |