Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
06/2013
06/19/2013EP2603482A1 Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production
06/19/2013CN203002024U Special equipment for purifying impurities in trimethyl orthoformate
06/19/2013CN103159598A Batch extractive distillation separation method of isopropyl ether-isopropanol mixture
06/19/2013CN103159595A Method for preparing phenolic compound by liquefaction of salix mongolica
06/19/2013CN102391058B Method for preparing stilbene compound
06/19/2013CN102350344B Monodispersed Ag nanocrystalline catalyst, its preparation method and its application in Sonagashira reaction
06/19/2013CN102040488B Method for synthesizing PODE (polyformaldehyde dimethyl ether)
06/19/2013CN102015670B Method for producing vinyl ether compound
06/19/2013CN102015585B Method for producing unsaturated organic compound
06/19/2013CN101906024B Method for preparing sandaler
06/19/2013CN101898941B Method for purifying trans-anethole
06/18/2013US8466327 Aldehyde-functionalized polyethers and method of making same
06/13/2013WO2013085783A1 Low residual bisphenol a alkoxylated materials, their preparation and use thereof
06/13/2013US20130150608 Production of Alkylaromatic Compounds
06/13/2013US20130150607 New Alkylaromatic Process
06/12/2013CN103153928A Method for purifying methyl-tertiary butyl ether (mtbe)-containing mixtures and for producing isobutene by cleavage of mtbe-containing mixtures
06/12/2013CN103145973A Method of producing methoxypolyethylene glycols
06/12/2013CN103145969A Perfluorinated polyether diol and polyester-polyether segmented copolymer
06/12/2013CN103145535A Diethylene glycol ferrous alkoxide with three-dimensional pattern multi-stage structure and preparation method thereof
06/12/2013CN103145534A Method for deeply removing sulfides in gasoline additive, namely methyl tert-butyl ether
06/12/2013CN103145533A Process and device for producing MTBE (Methyl Tertiary Butyl Ether) through blending and refining high-concentration isobutene
06/12/2013CN103145532A Method for online treatment of catalyst leakage of methyl tert-butyl ether (MTBE) device reactor
06/12/2013CN103145518A One-step synthesis of ethylene by taking carbon dioxide and water or methanol as raw materials
06/12/2013CN103143382A Catalyst for synthesizing methyl tertiary butyl ether (MTBE) and methyl isoamyl ether, and preparation method
06/12/2013CN102219653B Method for producing low-sulfur methyl tert-butyl ether product
06/12/2013CN102206142B Method for preparing 3-methoxyl-3-methyl-1-butanol
06/12/2013CN102180775B Method for preparing aliskiren intermediate
06/12/2013CN102180774B Preparation method of C-14 enol ether
06/12/2013CN102115431B Synthesis method of 2, 2-ethoxyethanol
06/12/2013CN101817713B Preparation method of 2, 2'-biphenyl diphenol and derivatives thereof
06/12/2013CN101712619B Method for preparing fluroxene by vertical-tube type catalytic reaction
06/12/2013CN101704701B Method for reducing alkyne into cis-form olefin
06/12/2013CN101486630B Catalytic synthesizing process of 3-methoxy-4-phenol methanol
06/11/2013CA2662737C The preparation and the use of ethoxy combretastatins and their prodrugs
06/06/2013WO2013080906A1 System or method for producing gasoline or dimethyl ether
06/06/2013US20130144071 Method of producing iodizing agent, and method of producing aromatic iodine compound
06/06/2013CA2856691A1 System or method for producing gasoline or dimethyl ether
06/05/2013CN202962442U Liquid phase reaction device for synthesizing polymethoxy dialkyl ether
06/05/2013CN103130632A 1-substituted benzylidene-2-naphthalenone derivative, preparation method thereof and use thereof
06/05/2013CN103130625A Method for preparing acetaldehyde and co-producing acetal by using ethanol
06/05/2013CN103130622A Preparation method of trimethyl orthoformate
06/05/2013CN103130621A Fluorene derivatives having multi-photon absorption characteristic, synthesis method and applications thereof
06/05/2013CN103130620A Lignin compound and functions thereof
06/05/2013CN103130619A Preparation method for compositing dipentaerythritol with tripentearythritol with high yield coefficient
06/05/2013CN103130593A Synthesis method of symmetric and asymmetric aliphatic ethers
06/05/2013CN103127954A Preparation method of multi-layer composite film capable of catalyzing C-C key coupling reaction
06/05/2013CN102173982B Method for synthesizing dihydric alcohol single vinyl ether and double vinyl ether
06/05/2013CN102060677B Method for enriching and purifying eugenol in Chinese pink herb
06/05/2013CN102030601B Method for transforming oxygenated organic compound
06/05/2013CN102010280B Preparation method of biaryl compound
06/05/2013CN101844971B Method for preparing alkyl ortho-acetate
06/05/2013CN101747160B Method for preparation of methanol, dimethyl ether and low-carbon olefin with synthetic gas
06/05/2013CN101550066B Production method of aerosol grade dimethyl ether
06/05/2013CN101544545B Method for producing dimethyl ether from methanol
05/2013
05/30/2013WO2013076006A1 Derivatives of tris(2-hydroxyphenyl)methanes, the production thereof and use thereof for oil production
05/30/2013WO2013075400A1 Liquid crystal compound
05/30/2013WO2013075213A1 Production of oxygenated compounds in the presence of a catalyst suspended in an inert liquid
05/30/2013US20130133245 Oxygenate additive for internal combustion engine fuel, fuel composition comprising the same and improved process for producing highly methylated glycerol ethers
05/30/2013CA2854236A1 Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production
05/29/2013DE112011101482T5 1,1-Bis[(ethenyloxy)methyl]cyclohexan und Verfahren zu dessen Herstellung 1,1-bis [(ethenyloxy) methyl] cyclohexane, and process for its preparation
05/29/2013DE112011100027T5 Verfahren zur Synthese von Polyoxymethylendimethylethern,katalysiert durch eine ionische Lösung A method for synthesis of polyoxymethylene dimethyl ethers catalyzed by an ionic solution
05/29/2013DE102012105212B3 Verfahren zur Inbetriebnahme eines DME-Synthesereaktors Method for starting a DME synthesis reactor
05/29/2013CN103121928A Clean preparation method of cinnamaldehyde diethylacetal
05/29/2013CN103121927A Preparation method of polymethoxymethylal
05/29/2013CN103121926A Preparation method of polymethoxy acetal
05/29/2013CN103121925A Method for synthesizing diphenyl methoxymethane
05/29/2013CN103121924A Preparation method of polyformaldehyde dimethyl ether
05/29/2013CN102070414B Dibenzocyclooctenes lignans, and preparation method and application thereof
05/29/2013CN102060674B Method for purifying high-purity organic solvent diethyl ether
05/29/2013CN101857533B Process for producing methylal by composite solid-acid catalyst
05/29/2013CN101679172B Method for producing benzaldehyde compound
05/29/2013CN101565359B Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation
05/29/2013CN101522601B Process for production of alcohol compound
05/29/2013CN101500975B 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
05/29/2013CN101426751B Dehydration process
05/23/2013WO2013073681A1 Hydroxy group protecting agent and hydroxy group protection method
05/23/2013WO2013073658A1 Method for producing acetal compound
05/23/2013WO2013073583A1 Cyclic compound, method for producing same, radiation-sensitive composition, and method for forming resist pattern
05/23/2013WO2013072008A1 Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production
05/23/2013WO2013072007A1 Method for recovering di-trimethylolpropane by distillation
05/23/2013WO2013072006A1 Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production
05/23/2013WO2013071780A1 Method for preparing fluorine-containing vinyl ether
05/23/2013WO2013071403A1 Production of oxygenated compounds from carbon monoxide and dimethyl carbonate
05/23/2013US20130131392 Methods for producing ethyl tert-butyl ether
05/23/2013US20130131391 Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production
05/23/2013US20130131390 Process for the production of substituted electron rich diphenylacetylenes
05/23/2013US20130131389 Process for preparing polyether alcohols
05/23/2013US20130131182 Ptp1b inhibitors, synthesis thereof and application thereof in preparation of medicaments for treating type 2 diabetes mellitus
05/22/2013EP2594569A1 Entecavir synthesis method and intermediate compound thereof
05/22/2013EP2593417A1 Process for the fluorination of haloolefins
05/22/2013EP1052234B1 Process for the synthesis of chemical industrial feedstock and high-octane fuel, and high-octane fuel composition
05/22/2013CN202945185U Device for preparing dimethyl ether through activating carbon dioxide by utilizing plasma
05/22/2013CN103119014A Method for producing 2-methyl-3-(4-tert-butylphenyl)-propanal having high para-isomer purity
05/22/2013CN103113418A Ferrocenyl aza-annulet ligand loaded by tree-like macromolecule as well as synthetic method and application thereof
05/22/2013CN103113197A Method for comprehensively utilizing trichlorosucrose production waste gas
05/22/2013CN101906023B Method for preparing sythetic gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gas
05/22/2013CN101792367B Intermittent extraction, distillation and separation method of isopropanol-diisopropyl ether-water mixture
05/22/2013CN101679170B Ether compound
05/22/2013CN101180250B Preparation of sevoflurane with negligible water content
05/22/2013CA2804798A1 Production of oxygenated compounds in the presence of a catalyst suspended in an inert liquid
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