Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
04/2013
04/11/2013WO2013050717A1 Method for preparing 1,2,3-trimethoxypropane, uses thereof, and compositions including said 1,2,3-trimethoxypropane
04/10/2013EP2578563A1 Intermediate of lycopene and preparation method of intermediate thereof
04/10/2013CN202865196U System for recovering cutting fluid and silicon carbide in waste mortar in silicon wafer cutting
04/10/2013CN103030535A Purification method of dimethoxymethane
04/10/2013CN103030534A Negative liquid crystal compound containing 2,3-difluorophenyl group, and preparation method and application thereof
04/10/2013CN102380418B Catalyst for catalyzing and reducing asymmetric prochiral ketones to chiral alcohols, preparation method and application thereof
04/10/2013CN102115428B Method for synthesizing hydrofluoro ether
04/10/2013CN102010278B Preparation method of diphenylethene or derivatives thereof
04/10/2013CN101891599B 3,4,5-trifluoro-phynyl tertiary butyl ether
04/10/2013CN101781165B Method for synthesizing dicyclohexyl o-fluoroethylbenzene liquid crystal compound
04/10/2013CN101659586B Extraction separation method for salicylic acid derivatives and corresponding phenol derivatives
04/10/2013CN101633608B Preparation method of fatty alcohol oxyalkylene addition compound
04/09/2013US8415512 Hydrocarbon conversion process improvements
04/09/2013US8415504 Catalyst carrier, catalyst thereon and C-C coupling method use the same
04/09/2013CA2555453C Cross-coupling process for production of aromatic compounds from aliphatic organic compounds and aromatic organometallic reagents
04/04/2013WO2013049245A1 Processes for separating components in alkyl perfluoroalkene ether production
04/04/2013US20130085289 Synthesis of Alkyl Cyclopentadiene Compounds
04/04/2013US20130081935 Distillation method for the purification of sevoflurane and the maintenance of certain equipment that may be used in the distillation process
04/03/2013EP2574192A1 Process for preparing an ortho-substituted 5-halophenol and a synthesis intermediate thereof
04/03/2013CN202849286U Device for preparing dimethyl ether by utilizing methanol
04/03/2013CN103012768A Method for preparing high double-bond protection rate alkyl blocked unsaturated polyether
04/03/2013CN103012498A Chiral ferrocene tridentate ligand and preparation method thereof as well as application in asymmetric hydrogenation reaction catalysis
04/03/2013CN103012084A Method for separating and purifying Schisanhenol
04/03/2013CN103012083A Dicyclohexyl fluorinated tolane negative liquid crystal, and synthesis method and application thereof
04/03/2013CN103012082A Novel asymmetry aryne semi-ring compound and synthesis method thereof
04/03/2013CN103012081A 4-iodophenylether derivative preparation method
04/03/2013CN103012080A Process for synthesizing semi-synthetic spice
04/03/2013CN103012079A Method for synthesizing ethylene glycol allyl ether under catalysis of solid base catalyst
04/03/2013CN103012078A Method for preparing propylene glycol monomethyl ether by catalyzing propylene oxide
04/03/2013CN103012077A Method for preparing propylene glycol monomethyl ether by catalyzing alcoholysis of propylene epoxide
04/03/2013CN103012076A Method and device of rectifying dimethyl ether and recovering dimethyl ether from non-condensable gas
04/03/2013CN103012075A Method for preparing dimethyl ether through activating carbon dioxide by using plasmas
04/03/2013CN103012074A Method for preparing aromatic methyl ether compound
04/03/2013CN103012061A Method for preparing chiral alcohol by taking quaternary ammonium salt as cocatalyst
04/03/2013CN103012027A Method for preparing diphenyl ether compound
04/03/2013CN103012025A Alkylation method of fluorene
04/03/2013CN103011653A Preparation process of polyglycerol cement grinding aid
04/03/2013CN103008012A Metal organic skeleton structure material load platinum catalyst, as well as preparation method and application thereof
04/03/2013CN103008007A Resin-type solid base catalyst for synthesis of propylene glycol ether and preparation method and application thereof
04/03/2013CN103007928A Preparation method and application of palladium nanoparticle catalyst
04/03/2013CN102327772B Preparation method of composite metal mesoporous oxide and application thereof
04/03/2013CN102225889B Method for preparing dimethyl ether by dehydration of methanol
04/03/2013CN102219659B Method for synthesizing 1,1-dichloro triethyl orthoaacetate and 1,1-dichloro trimethyl orthoacetate
04/03/2013CN102050706B Method for serially producing dimethyl ether by dehydrating solid acid catalyzing methanol
04/03/2013CN102001903B Method for reducing carbon-carbon double bond by hydrazine hydrate through microwave
04/03/2013CN101993356B Method for preparing daicel dimethyl ether
04/03/2013CN101781282B Method for producing high-purity ether used for HPLC
04/03/2013CN101781157B Mono-iodo-substituted synthetic method for preparing aromatic or heteroaromatic compound
04/03/2013CN101691324B Method for preparing 3-(2-hydroxy-4-methoxyphenyl)-1-(4-methoxy)-1-propanol
04/03/2013CN101601995B Aluminum oxide catalyst used for preparing dimethyl ether by gas-phase dehydration of methanol and preparation method thereof
04/02/2013US8410234 Vinyl ether compound, vinyl ether polymer, and method for producing vinyl ether compound
04/02/2013CA2467152C Preparation of perfluoropolyethers having at least one -ch2oh or -ch(cf3) oh end group
03/2013
03/28/2013WO2013041516A2 Cooled reactor for the production of dimethyl ether from methanol
03/28/2013US20130079558 Processes for separating components in alkyl perfluoroalkene ether production
03/28/2013DE102011114228A1 Gekühlter Reaktor zur Herstellung von Dimethylether aus Methanol Cooled reactor for producing dimethyl ether from methanol
03/27/2013CN202829885U Device for producing dimethyl ether by using coarse carbinol
03/27/2013CN202822829U Device for lowering sulfur content in MTBE (Methyl Tert-butyl Ether)
03/27/2013CN103003226A Novel alkyl perfluoroalkene ethers and uses thereof
03/27/2013CN103003224A Process for the fluorination of haloolefins
03/27/2013CN102992972A Liquid crystal compound and preparation and application thereof
03/27/2013CN102992970A Synthesis method of anethole
03/27/2013CN102992969A Method and device for producing fluorine-containing vinyl ether by acyl fluoride
03/27/2013CN102992968A 2,3-dimethoxy-1-propyl alcohol and preparation method thereof
03/27/2013CN102992967A Method for improving concentration of chlorohydrination reaction chlorophydrin by circular reaction
03/27/2013CN102992966A Purification method of HPLC-grade tert-butyl methyl ether for LC-MS
03/27/2013CN102992965A Process for preparing methyl tertiary butyl ether
03/27/2013CN102989508A Synthesizing method and application of polymer microsphere immobilized palladium nanometer particles
03/27/2013CN102988368A High-purity texaphyrin metal complex
03/27/2013CN102219656B Symmetric bifluorenylidene derivative having characteristic of multi-photon absorption, and synthesis method and application thereof
03/27/2013CN102125854B Method for preparation of dimethyl ether
03/27/2013CN101921179B Preparation method of dipropylene glycol methyl propyl ether
03/27/2013CN101768055B Liquid crystal compound and preparation method thereof
03/27/2013CN101675019B Process for preparing alkoxylation catalyst and alkoxylation process
03/27/2013CN101636372B Method for the preparation of therapeutically valuable triphenylbutene derivatives
03/27/2013CN101531567B Method for synthesizing beta, gamma-polysubstituted beta, gamma-unsaturated alcohol
03/27/2013CN101386569B Method for the production of dimethyl ether
03/27/2013CN101289359B Ionic liquid mediated elimination of acetonitrile from the olefin feed used in the production of ethers
03/26/2013US8404904 Process for reducing color of a polyglycerol
03/21/2013WO2013038029A1 Method for producing oxygenated additives from crude glycerine
03/21/2013WO2013037037A1 Production of alcohols having three carbon atoms from carbonaceous materials
03/21/2013WO2013037036A1 Production of alcohols having at least four carbon atoms from carbonaceous materials
03/21/2013US20130072725 Method and apparatus for producing gasoline and hydrogen from methanol
03/21/2013US20130072724 Process for refining chemicals from pulp and paper mill wastewaters
03/21/2013US20130072631 Method for separating an organic phase from an electrolyte-containing aqueous and organic phase
03/21/2013US20130068457 Method of Manufacture of Guerbet Alcohols For Making Surfactants Used In Petroleum Industry Operations
03/20/2013CN202808649U Systemic device for preparing polyoxymethylene dimethyl ether
03/20/2013CN202803235U Cooling device in reactor for making dimethyl ether
03/20/2013CN202803234U Cooling device of reactor for producing dimethyl ether
03/20/2013CN202803223U Dimethyl ether preparing device with gas mixing function
03/20/2013CN202803217U Dimethyl ether preparation reaction device
03/20/2013CN202802805U Connecting structure of dimethyl ether preparation device
03/20/2013CN102977934A Automotive fuel methylene diethyl ether prepared through liquid rectification layer technology and preparation method thereof
03/20/2013CN102976906A Method for separating phenols from bio-oil
03/20/2013CN102976905A Extracting process method for anethole
03/20/2013CN102976904A Preparation device of isobutyl vinyl ether and preparation method thereof
03/20/2013CN102976881A Method for preparing biphenyl
03/20/2013CN102976880A Preparation method of asymmetric biphenyl
03/20/2013CN102211983B Preparation method of perfluoromethyl vinyl ether
03/20/2013CN102126933B Diphenyl propane lignan compound and preparation method thereof
03/20/2013CN101550067B Method for producing two-stage dimethyl ether
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