Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
05/2012
05/08/2012CA2520776C An olefin epoxidation process and a catalyst for use in the process
05/03/2012WO2012057370A1 Metal oxide catalyst for etherification, preparation method thereof, and method for preparing linear polyglycerin using same
05/03/2012US20120108780 Method for producing polyols on the basis of renewable resources
05/03/2012US20120108681 Multiple Reactor Chemical Production System
05/03/2012US20120105792 Liquid crystal compound and process for production thereof, liquid crystal composition, and liquid crystal electrooptical element
05/02/2012EP2447240A1 Copper-catalysed Process for the Production of Substituted or Unsubstituted Trifluormethylated Aryl and Heteroaryl Compounds
05/02/2012EP2447239A1 Copper-catalysed process for the production of substituted or unsubstituted trifluormethylated aryl and heteroaryl compounds
05/02/2012CN102432442A Preparation method of acetal
05/02/2012CN102432441A Synthesis method of polymethoxy methylal
05/02/2012CN102432440A Completely-biodegradable surfactant
05/02/2012CN102432439A Preparation method of diether type electron donor
05/02/2012CN102432438A Method for preparing and purifying isopropyl ether
05/02/2012CN102432437A Synthesis method of glycol dialkyl ether
05/02/2012CN102432425A Preparation method of 1,3-disubstituted-3-aryl propylene compound and application thereof
05/02/2012CN101898939B Method for preparing compound 4-hydroxy butyl vinyl ether
05/02/2012CN101445436B Method for preparing medical compound chlorphenesin
05/02/2012CN101407451B Preparation method of 3,5-difluoroanisole
05/01/2012US8168835 Method for preparing propargylic alcohol catalyzed by 2-morpholinoisobornane-10-thiol
04/2012
04/26/2012WO2012053832A2 Method for synthesising 4-o-methylhonokiol
04/26/2012WO2012053564A1 Process for producing optically active 4-chloro-3-hydroxybutanal compound
04/26/2012US20120101313 Glyceryl ether compounds and their use
04/26/2012US20120101312 Method and system for producing methanol and dimethyl ether
04/26/2012US20120101311 Using Methanesulfonyl Halide as a Key Intermediate for Methane Gas to Liquid Conversion and Raw Commodity Chemical Generation
04/26/2012US20120101308 Method for the phosphine-initialized production of hyperbranched polyols
04/26/2012US20120101307 Process for the preparation of 1-methyl-1-alkoxycyclopentanes
04/26/2012US20120101306 Process for the preparation of 1-methylcyclopentane derivatives
04/26/2012DE102010042774A1 Verfahren zur Aufreinigung von MTBE-haltigen Gemischen sowie zur Herstellung von Isobuten durch Spaltung von MTBE-haltigen Gemischen Process for the purification of MTBE-containing mixtures and for the production of isobutene by dissociation of MTBE-containing mixtures
04/26/2012CA2814306A1 Method for purification of mixtures comprising mtbe as well as production of isobutene by splitting of mixtures comprising mtbe
04/25/2012EP2444385A1 Method for producing fluorine-containing ether with high purity
04/25/2012CN102424673A Montelukast sodium intermediate and method for synthesizing montelukast sodium thereof
04/25/2012CN102424645A Method for synthesizing aromatic amide and aromatic methanol
04/25/2012CN101575271B 利用4,4'-二溴二苯醚制备4,4'-二羟基二苯醚的方法 The use of 4,4-dibromo-4,4'-dihydroxy diphenyl ether preparation method
04/25/2012CN101337863B 一种制备七氟烷的方法 A process for preparing sevoflurane
04/25/2012CN101014559B 非环状烯烃的调聚方法 Telomerization method of non-cyclic olefin
04/19/2012WO2012049210A1 Process and apparatus for continuous high temperature short-time alkoxylation (ethoxylation, propoxylation) of chemical substances with active hydrogen atoms
04/19/2012US20120095250 Catalyst with an ion-modified binder
04/19/2012US20120095119 Process for producing purified synthesis gas
04/18/2012EP2441746A1 Noncrystalline form of fluorene derivative and process for preparation thereof
04/18/2012EP2441744A1 Acetylenic diol ethylene oxide/propylene oxide adducts and their use
04/18/2012EP2440520A1 Fluorinated aromatic bis(acyl)-containing compounds and polyesters prepared therefrom
04/18/2012EP2440511A1 Method for the hydroxylation of halogenated aryl compounds
04/18/2012CN202193753U 聚醚多元醇生产中改良型聚合反应釜 Production of modified polyether polyol-type polymerization reactor
04/18/2012CN202193744U 甲缩醛生产装置 A acetal production plant
04/18/2012CN202191894U 二甲醚合成反应器 DME synthesis reactor
04/18/2012CN102421874A Aryl ether oligomers and process for making aryl ether oligomers
04/18/2012CN102417442A Preparation method for high-purity methylal
04/18/2012CN102417441A 一种色谱级有机溶剂甲基叔丁基醚的纯化方法 A chromatographic purification methods grade organic solvent methyl tert-butyl ether
04/18/2012CN102417440A 乙草胺中间体氯甲基乙基醚合成新工艺 Acetochlor intermediate chloromethylethylether new synthesis technology
04/18/2012CN101941892B 一种由甲醇生产二甲醚的方法 One kind of dimethyl ether from methanol production methods
04/18/2012CN101940934B 一种用于合成气制二甲醚的催化剂及其制法和应用 The catalyst preparation method and application of a method for the synthesis of DME from syngas
04/18/2012CN101180251B Process for producing hydrolyzate
04/12/2012WO2012047443A2 Recycling carbon dioxide via capture and temporary storage to produce renewable fuels and derived products
04/12/2012WO2012046880A1 Novel vinyl-ether compound and manufacturing method therefor
04/12/2012US20120088936 Method for synthesizing compound and catalyst for synthesis reaction
04/12/2012CA2813368A1 Recycling carbon dioxide via capture and temporary storage to produce renewable fuels and derived products
04/11/2012CN102414157A 氟甲基六氟异丙基醚的制造方法 The method of producing fluoromethyl hexafluoroisopropyl ether
04/11/2012CN102413931A Alkoxylation of fluorinated alcohols
04/11/2012CN102408319A 一种对羟基苯甲醚的生产工艺 A kind of production process hydroxyanisole
04/11/2012CN102408318A 一种提取并纯化红杉醇的方法 Method for extracting and purifying the Sequoia alcohols
04/11/2012CN102408317A 一种制备六氟异丙基甲基醚的方法 A method of hexafluoroisopropyl methyl ether prepared
04/11/2012CN102408316A 一种制备甲基叔戊基醚的方法 A method of preparing methyl tert-amyl ether
04/11/2012CN102408315A 腰果酚丁基醚组合物的合成方法 Butyl ether synthesis cardanol composition
04/10/2012US8153801 Process and intermediates for preparing integrase inhibitors
04/05/2012US20120083629 Method for producing fluorine-containing ether with high purity
04/05/2012US20120083628 Method for producing vinyl ether
04/04/2012EP2436665A1 Process for producing vinyl ether
04/04/2012CN102399139A 高光学纯度的紫草素和阿卡宁及其衍生物的制备方法 Shikonin high optical purity and preparation methods 阿卡宁 its derivatives
04/03/2012US8148551 Tricyclic aromatics and liquid-crystalline medium
04/03/2012CA2456406C Process for preparing fluorohalogenethers
03/2012
03/29/2012US20120078019 Method for producing monohydroxypolyalkylene oxides
03/29/2012US20120078018 Process For Neutralizing An Unneutralised Polyether Polyol
03/29/2012US20120077934 Functional Polyisobutylene Based Macromonomers And Methods For Making And Using The Same
03/28/2012CN202173794U 氮气充压提高塔顶压力系统 Nitrogen filling pressure increase overhead pressure system
03/28/2012CN102395550A Method for preparation of and compositions of low foam, non-gelling, surfactants
03/28/2012CN102391081A Method for preparing diphenylethylene by utilizing 2,3-diphenyl acrylic acid
03/28/2012CN102391080A Method for preparing strong biodegradable surfactant
03/28/2012CN102391079A Method for preparing chiral biphenyl cyclooctadiene lignan compound
03/28/2012CN102391078A Benzene ring-contained fullerene derivative and preparation method and use thereof
03/28/2012CN102391077A Method for preparing 3,5-dimethoxy amylbenzene
03/28/2012CN102391076A Method for preparing glycerol single methanol ether by utilizing glycerol and methanol
03/28/2012CN102391058A Method for preparing stilbene compound
03/28/2012CN102389793A Preparation method of bi-functional palladium catalysts under microwave condition
03/28/2012CN102060402B Sewage treatment method capable of recovering low-carbon hydrocarbons and low-carbon oxygen-containing organic matters
03/28/2012CN102060347B Sewage treatment process for recycling low-carbon hydrocarbons and low-carbon oxygen-containing organic matters
03/28/2012CN101862685B Catalyst for use in direct synthesis of dimethyl ether from synthesis gas, preparation method thereof and use thereof
03/28/2012CN101445434B Synthetic method of methyl blocking polyether
03/28/2012CN101374792B Method for producing optically active alcohol compound
03/27/2012US8143455 Process for preparing 2-hydroxyacetals and the corresponding 2-hydroxyalkanals
03/22/2012WO2012035942A1 Novel fluorinated vinyl ether compound and manufacturing method therefor
03/22/2012WO2012034930A1 Method for producing 2-methyl-3-(4-tert-butylphenyl)-propanal having high para-isomer purity
03/22/2012US20120071610 Regiofunctional carbon nanotube beam and method
03/21/2012CN102388117A Rendering petroleum oil as an environmentally carbon dioxide neutral source material for fuels, derived products and as a regenerative carbon source
03/21/2012CN102388012A Method for producing fluorene derivative
03/21/2012CN102388011A Rendering natural gas as an environmentally carbon dioxide neutral fuel and a regenerative carbon source
03/21/2012CN102388005A Rendering coal as an environmentally carbon dioxide neutral fuel and a regenerative carbon source
03/21/2012CN102381988A Method for preparing intermediate compound of Rivastigmine and intermediate compound
03/21/2012CN102381948A Method of stabilizing reduced coenzyme Q10
03/21/2012CN102381947A Synthesis method of chiral 2,2 '- di-alkoxy-1, 1'-binaphthyl
03/21/2012CN102381946A Preparation method of ether eluent
03/21/2012CN102381945A Method and device for removing organic sulfur in methyl tertiary butyl ether (MTBE)
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