Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/2013
10/02/2013CN103333060A Method for refining and purifying polyformaldehyde dialkyl ether
10/02/2013CN103333059A Method for catalytically hydrofining polyformaldehyde dialkyl ether on fixed bed
10/02/2013CN103333058A Beta-alkoxy alcohol compound synthesis method
10/02/2013CN103333057A Method for preparing DHBE (dihydroxy dibutyl ether)
10/02/2013CN103333056A Method and device for deeply removing sulfide in MTBE
10/02/2013CN103333055A Method for conducting catalytic hydrofinishing of polyoxymethylene dialkyl ether through slurry reactor
10/02/2013CN102500417B Magnetic oxime ring palladium catalyst and preparation method thereof
10/02/2013CN102489330B Preparation method of magnetic nitrogen-containing bidentate palladium ligand catalyst
10/02/2013CN101928206B Method for producing dimethyl ether by synthesis gas and equipment thereof
10/02/2013CN101659879B Chemical-electric poly-generation method and equipment
10/01/2013US8545824 Glycerol ether mixture, cosmetic composition containing this mixture and process for its production
09/2013
09/26/2013WO2013139995A1 Method for preparing glycerol ether and glycol ether
09/25/2013EP2641910A1 Chiral spiro-pyridylamidophosphine ligand compound, synthesis method therefor and application thereof
09/25/2013EP2641896A1 Separation method
09/25/2013EP2641893A1 Process for the preparation of salmeterol and its salts
09/25/2013EP2640683A1 Process for the preparation of gaseous synfuel
09/25/2013CN103319320A Comprehensive utilization method of byproduct 5-aldehyde vanillin in vanillin production process
09/25/2013CN103319319A Method for refining and purifying polyformaldehyde dialkyl ether
09/25/2013CN103319318A Recovering and recycling method of excessive methyl catechol in vanillin production process
09/25/2013CN103319317A Method for synthesizing 1,4-bis[2-(2-hydroxy ethoxy)ethoxy]benzene
09/25/2013CN103319316A Green preparation method of dihydroxy dibutyl ether
09/25/2013CN103316671A Method for preparing palladium carbon by using organic carbon monoxide releasing molecule (CORM) and catalytic application of method
09/25/2013CN102432442B Preparation method of acetal
09/25/2013CN102311320B Method for preparing 2,6,10-trimethyl-1,1-dialkoxyl-3,5,9-undecatriene
09/25/2013CN102260145B Method for continuous fractional separation and purification of effective ingredients of star anise
09/25/2013CN102040625B Chiral spiro pyridylamidophosphine ligand compounds and synthesis method and application thereof
09/25/2013CN102010304B Preparation method of tetrabromobisphenol A diene propyl ether
09/25/2013CN101948368B Diphenylalkyl halide or diphenyl carboxylic acid and synthesis method thereof
09/25/2013CN101768053B Reactor for synthesizing methyl tert-butyl ether and application thereof
09/25/2013CN101143808B Fluorine phenyl compounds for liquid crystalline mixtures
09/24/2013US8541631 Surface treatment method for solid material
09/24/2013US8541630 Process for producing dimethyl ether from methanol
09/24/2013US8541629 Heterocyclic amine catalyst compositions for the alkoxylation of alcohols to glycol ethers
09/19/2013WO2013134997A1 Molecular glass photoresist with bisphenol a skeleton structure and preparation method and application thereof
09/19/2013US20130245327 Carbon nanohoops and methods of making
09/19/2013US20130245293 Process for preparing ethylene and/or propylene
09/19/2013US20130245292 Process for preparing ethylene and/or propylene and an iso-olefin-depleted olefinic product
09/18/2013EP2637992A1 Process for the production of pure methylal
09/18/2013CN103304605A Method for preparing flavonoid glycoside and stibene glucoside type compound by separating from fenugreek
09/18/2013CN103304386A Method for preparing acetal through alkene hydroformylation-acetalation one-pot method
09/18/2013CN103304385A Molecular glass photoresist containing bisphenol A skeleton structure as well as preparation method and application thereof
09/18/2013CN103304384A Method for preparing anti-icing additive diethylene glycol monomethyl ether
09/18/2013CN103304383A New synthesis method of Dyskinebl
09/18/2013CN103304382A Combined process for comprehensively utilizing partial hydrogenation C5 fraction
09/18/2013CN103303921A Polymer of CO2 or CO, application of polymer and method for directly synthesizing methanal and methanoic acid by adding hydrogen or water
09/18/2013CN102260127B Method for preparing halogenated aryl compounds through oxidation and halogenation
09/18/2013CN102146020B Method for synthesizing 1,3-diphenyl-1-propanol compound
09/18/2013CN101880218B Dimethyl ether preparation technology by utilizing methanol dehydration and special equipment thereof
09/18/2013CN101602654B 4-methoxyl-1-chlorobutane preparation method
09/17/2013US8536385 Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol
09/12/2013WO2013133386A1 Cyclic compound containing functional group or containing no functional group, and method for producing same
09/12/2013WO2013133106A1 Method for producing 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene, crystal of said compound, and method for producing said crystal
09/12/2013WO2013012833A3 Improved product recovery process in the filtration of polyether polyols
09/12/2013WO2012093271A8 A new palladium catalyst, method for its preparation and its use
09/12/2013US20130237714 Process for preparing ethylene and/or propylene and an iso-olefin-depleted c4 olefinic product
09/12/2013US20130232853 Method for selective production of biobased chemicals and biofuels from plant lignin
09/11/2013CN203187602U 异丁烯生产设备 Isobutylene production equipment
09/11/2013CN103289267A Preparation method and application of hydrogen-containing polysiloxane and polyacrylate semi-interpenetrating network polymer
09/11/2013CN103288668A Fluorescent dihydric alcohol with symmetrical structure and preparation method thereof
09/11/2013CN103288645A Method for separating dimethyl ether and recovering ammonia in co-production process for dimethyl carbonate and dimethyl ether via urea alcoholysis method
09/11/2013CN103288607A Synthetic method of polymethoxy dimethylether
09/11/2013CN103288606A Method for recycling methylal in glyphosate wastewater
09/11/2013CN103288605A Synthetic method of combretastatin
09/11/2013CN103288604A Novel process of 1,4-bis(methoxymethyl)-benzene preparation method
09/11/2013CN103288603A Optimized dimethyl ether device driving method
09/11/2013CN103288595A Recovery method and device for glyphosate raw material methanol
09/11/2013CN102584527B Method for utilizing coal and salt comprehensively
09/11/2013CN102491881B Dibromo anthracene compound and preparation method and application thereof
09/11/2013CN102424645B Method for synthesizing aromatic amide and aromatic methanol
09/10/2013US8530689 Processes for the preparation of biphenyl compounds
09/10/2013US8530602 Polyether polyol composition and use thereof
09/06/2013WO2013127006A1 Catalytic conversion of ligno-cellulosic biomass into fuels and chemicals
09/05/2013US20130231509 Methods for preparation of pharmaceutical intermediates of aliskiren
09/05/2013US20130231508 Branched secondary alcohol alkoxylate surfactants and process to make them
09/05/2013US20130231396 Novel self-assembling polyphenol-quinonoid polymer derivatives and uses thereof
09/05/2013US20130228332 Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production
09/04/2013CN103275410A Air-permeable chemical gas protective material as well as preparation method and application thereof
09/04/2013CN103274953A Naphthol and o-naphthoquinone compounds thereof and preparation method and medical application thereof
09/04/2013CN103274909A High-purity dinaphthyl ether and preparation method thereof
09/04/2013CN103272408A Method for separation purification of Chinese magnoliavine fruit monomers by using dynamic axial compression column
09/04/2013CN102659076B Method for co-production of various chemical products from natural gas, coal and petroleum
09/04/2013CN102329196B Method for separating out mono-pentaerythritol and dipentaerythritol
09/04/2013CN102191083B Series-wound type poly-generation technology for coal chemical industry
09/04/2013CN101918348B Purification of propylene glycol monoalkyl ether
09/04/2013CN101811945B Process for preparing alkyl diphenyl ether from fatty alcohol and diphenyl ether
09/04/2013CN101679339B Method for manufacturing neuraminic acid derivatives
09/04/2013CN101475452B Method for producing dimethyl ether by catalyst distillation
08/2013
08/29/2013WO2013124423A1 Process for the production of acetic acid and diemthyl ether
08/29/2013WO2013124404A1 Catalyst and process for the production of acetic acid and dimetyhl ether
08/29/2013US20130225870 Method of synthesizing substituted 2-alkyl phenols
08/29/2013US20130225869 Stabilized 3,3 dialkoxy-1-propene - preparation
08/29/2013US20130225856 Continuous process for conversion of lignin to useful compounds
08/29/2013US20130225855 Continuous process for conversion of lignin to useful compounds
08/29/2013US20130225854 Continuous process for conversion of lignin to useful compounds
08/29/2013US20130225853 Continuous process for conversion of lignin to useful compounds
08/29/2013US20130225815 Fluoroalkylation Methods And Reagents
08/29/2013US20130224816 Continuous process for conversion of lignin to useful compounds
08/28/2013EP2631227A1 Process for producing optically active 4-chloro-3-hydroxybutanal compound
08/28/2013EP2630110A2 Method for purifying methyl-tertiary butyl ether (mtbe)-containing mixtures and for producing isobutene by cleavage of mtbe-containing mixtures
08/28/2013CN203159515U Improved alcoholysis apparatus
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