Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/2012
10/03/2012CN102712561A Bicyclohexane derivative and production method for same
10/03/2012CN102702720A High-hardness grafted POP (polyether polyol) polyether and application thereof
10/03/2012CN102702504A Plant oil polyether polyol prepared by using cashew shell oil as raw material and preparation method and application thereof
10/03/2012CN102702463A Preparation method and application of polyether type thick oil demulsifying agent
10/03/2012CN102702035A Method for continuously preparing fluorinated vinyl ether
10/03/2012CN102701925A Method for purifying ortho-formate
10/03/2012CN102701924A Preparation method of cinnamaldehyde diethylacetal
10/03/2012CN102701923A System device and process for preparing polymethoxy dimethyl ether
10/03/2012CN102701922A Method for synthesizing methylal
10/03/2012CN102701921A Method for synthesizing disklike liquid crystal intermediate 2-hydroxy-3,6,7,10,11-penta(alkoxy)triphenylene and linear alkyl benzene
10/03/2012CN102701920A Method for purifying vinyl isobutyl ether
10/03/2012CN102701919A Method for synthesizing fluorine halogenated ether
10/03/2012CN102701918A Method for producing MTBE (Methyl Tert Butyl Ether) by taking gas phase isobutene as raw material
10/03/2012CN102701917A Method for synthesizing MTBE (methyl tert-butyl ether) by reaction of mixed C4 with low isobutene content and methanol
10/03/2012CN102698762A Method for preparing dimethyl ether (DME) catalyst from synthesis gas
10/03/2012CN102698617A Acid-alkali polymer blend pervaporation membrane, and preparation method and application thereof
10/03/2012CN102001919B Method for preparing trifluoromethyl-1,2,2-trifluoro-1,2-dichloroethyl ether
10/03/2012CN101717327B Method for producing propylene glycol mono-methyl ether with energy conservation
10/03/2012CN101665419B Method for preparing (Z)-3'-hydroxy-3,4',5-trimethoxy diphenylethene
10/03/2012CN101544892B Method for synthesizing diaryl acetylene monomer liquid crystal
10/03/2012CN101519344B Chloromethyl ether production system and production technology
09/2012
09/27/2012WO2012129260A1 Compounds and methods for preparation of diarylpropanes
09/27/2012US20120245393 Compounds and methods for preparation of diarylpropanes
09/27/2012US20120245366 Novel arylated camphenes, processes for their preparation and uses thereof
09/27/2012US20120245360 Copper-catalysed Process for the Production of Substituted or Unsubstituted Trifluormethylated Aryl and Heteroaryl Compounds
09/27/2012US20120245348 New Cyclopentadienyl, Indenyl or Fluorenyl Substituted Phosphine Compounds and their Use in Catalytic Reactions
09/27/2012US20120245301 Activated solid support and method
09/27/2012CA2830993A1 Compounds and methods for preparation of diarylpropanes
09/26/2012EP1396483B9 Process for producing dimethyl ether
09/26/2012CN202446839U Distillation column for preparing methylal industrially
09/26/2012CN102690176A Technique for separating trimethyl orthoformate by continuous rectification
09/26/2012CN102690175A Preparation method of 3-methoxybenzyl chloride
09/26/2012CN102688779A Preparation of phosphine ligand ruthenium catalyst and application thereof in asymmetric reduction
09/26/2012CN102060403B Sewage treatment process capable of recovering low-carbon hydrocarbons and low-carbon oxygen-containing organic matters
09/26/2012CN102040732B Preparation method of polyether polyol cross-coupling agent
09/26/2012CN101768052B Method for preparing aromatic compound by catalytic hydrocracking of lignin
09/26/2012CN101360549B Method for the elimination of metal complex catalysts from telomerization mixtures
09/26/2012CN101014556B Zone reactor
09/25/2012CA2494685C Novel nickel-,palladium-and platinum-carbene complexes,their preparation and use in catalytic reactions
09/20/2012US20120238782 Methods for producing allyl chloride and dichlorohydrin
09/20/2012DE102012003796A1 Flüssigkristallines Medium Liquid-crystalline medium
09/19/2012EP2500335A1 Method for separating ethylal from ethanol and mixtures containing ethylal
09/19/2012CN102686540A Method for generating hydrocarbons, in particular gasoline, from synthesis gas
09/19/2012CN102675612A Synthesis of novel chiral polyester containing binaphthyl and application thereof to molecular recognition
09/19/2012CN102675064A Preparation method and application of Z-3,4,4',5-tetramethoxy-2',3'-dihydroxy diphenylethylene
09/19/2012CN102675063A Polyfluoro-substituted diphenyl acetylene compound as well as preparation method and application thereof
09/19/2012CN102675062A Method for preparing difluoromethoxy bridge type liquid crystal
09/19/2012CN102675061A Ether derivative of resveratrol and medical application
09/19/2012CN102675060A Ether derivatives of phytoalxeni and medical uses thereof
09/19/2012CN102675059A Method for combining ethylene glycol monoethyl ether with ternary composite metal oxide as catalyst
09/19/2012CN102675058A Preparation method of hydroxyl terminated perfluoropolyether compound
09/19/2012CN102675057A Catalytic distillation technique for synthesizing methyl tertiary butyl ether
09/19/2012CN102675040A Poly-fluorinated quaterphenyl liquid crystal compound and preparation method and application thereof
09/19/2012CN102675015A Decarboxylation and fluorination method for carboxylic acid
09/19/2012CN102671704A Pd complex catalyst, preparation method and application thereof
09/19/2012CN102671690A Catalyst for preparing dimethyl ether by methanol and preparation method thereof
09/19/2012CN102671671A Catalyst and application thereof to synthesis of o-hydroxyphenyl ether
09/19/2012CN102671653A Catalyst for preparing dimethyl ether through methanol dehydration and preparation method of catalyst
09/19/2012CN102670572A Synthesis and application of bis(2,3-dibromo-4,5-dihydroxybenzyl) ether
09/19/2012CN102020540B Three protein tyrosine phosphatase 1B (PTP1B) inhibitors and synthesis and application thereof
09/18/2012US8269050 Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons
09/18/2012US8269049 Method of producing diethylene-glycol tert-butyl ether using isobutylene and diethylene glycol
09/13/2012WO2012121370A1 Cyclopolyarylene compound and method of manufacturing same
09/13/2012WO2012121156A1 Partial hydrogenation reaction of alkyne derivative
09/13/2012WO2012120017A1 Preparation of (poly)glycerol ethers
09/13/2012US20120232311 Method for Making Dimethyl Ether by Reactive-Distillation
09/13/2012US20120232310 Palladium catalyst and process for production of bisaryl compound using same
09/13/2012US20120232174 Method for Increasing the Yield of a Slurry Bed Reactor
09/12/2012EP2496543A1 Vinyl ether compounds and methods of their preparation and use
09/12/2012CN202430145U Device for removing disulfides in methyl tert-butyl ether
09/12/2012CN102666651A Processes for producing polytrimethylene ether glycol and copolymers thereof
09/12/2012CN102666650A Production and composition of glycerol based polyols
09/12/2012CN102666461A Cyclic compound, process for production thereof, radiation-sensitive composition, and resist pattern formation method
09/12/2012CN102666460A Manufacture of dimethyl ether from crude methanol
09/12/2012CN102660015A Method for preparing polyether polyol from plant phenols
09/12/2012CN102660012A Preparation method of hydroxy-terminated perfluoropolyether compound
09/12/2012CN102659752A Tetracene derivative field effect transistor material and preparation method thereof
09/12/2012CN102659649A Method for synthesis of polyfunctional dicyclopentadienyl ether
09/12/2012CN102659622A Large steric hindrance ligand Pd complex catalyst as well as preparation method and application thereof
09/12/2012CN102659538A Synthesis technology for preparing methylal by virtue of condensation of methyl alcohol and formaldehyde
09/12/2012CN102659537A Method for preparing polyformaldehyde dimethyl ether under catalysis of caprolactam ionic liquid
09/12/2012CN102659536A Method for synthesizing o-hydroxy phenyl ether
09/12/2012CN102659535A Synthesizing process for fluorenone derivatives
09/12/2012CN102659534A Method for extracting 4-ethyl guaiacol from straw bio-oil
09/12/2012CN102659533A Indene derivative used as component of liquid crystal medium, preparation method thereof and application thereof
09/12/2012CN102659532A Method for synthesis of trimethylolpropane diallyl ether
09/12/2012CN102659531A Preparation process system and preparation method for low-energy-consumption dimethyl ether
09/12/2012CN102659526A Tetraphenolic hydroxyfluorene compound and preparation method thereof
09/12/2012CN102659512A Method for preparing halogenated benzo [alfa] fluorenol
09/12/2012CN102659076A Method for co-production of various chemical products from natural gas, coal and petroleum
09/12/2012CN102658198A Catalyst for directly preparing dimethyl ether from carbon dioxide
09/12/2012CN102093550B Preparation method of perfluoroalkylethyl polyoxyethylene ether
09/12/2012CN102020541B Protein tyrosine phosphatase 1B (PTP1B) inhibitor as well as chemical synthesis method and application thereof
09/12/2012CN102020539B PTP1B (Protein Tyrosine Phosphatase 1B) inhibitor, synthesis and application thereof in preparation of drugs for treating type 2 diabetes mellitus
09/11/2012US8263811 Iodinated organic substances of low molecular mass and process for preparing them
09/11/2012CA2467574C A process and systems for the epoxidation of an ethylene with oxygen comprising a two phase temperature profile
09/11/2012CA2466157C Fischer tropsch composition and process
09/11/2012CA2445159C Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
09/07/2012WO2012116870A1 Facility for reacting alkylene oxides
09/06/2012US20120226077 Fluoroelastomers
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