Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
05/2007
05/31/2007US20070123737 Preparation of polytrimethylene ether glycol and copolymers thereof
05/31/2007US20070123734 economical; nontoxic; high yield; industrial scale; Grignard reaction; iron catalyst (FeCl3) and a diamine (ethylenediamine); cross-coupling of alkyl halide and aromatic organometallic; primary or secondary alkyl substituents; phenylcycloheptane from bromocycloheptane and phenyl magnesium bromide
05/30/2007CN1972888A Method for producing ethers
05/30/2007CN1318399C Processes for the preparation of diphenylsulfone compounds
05/30/2007CN1318369C Catalyst, method and uses of dimethyl ether synthesis using coal based synthetic gas in a slurry reactor
05/30/2007CN1318368C Dimethyl ether synthesis technology using coal based synthetic gas in slurry reactor
05/30/2007CN1318367C Beta-asaricin refining method
05/30/2007CN1318366C Trifluoro methyl-1, 1, 2-trifluoro-1, 2-dichloro-ethyl ether dechlorination reaction process
05/30/2007CN1318138C Catalyst used for preparing dimethyl ether directly from synthetic gas
05/29/2007US7223879 Reactibng transition metal with boron compound and sulfonate compound
05/29/2007US7223832 Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto
05/24/2007WO2007058251A1 Process for producing cycloalkyl alkyl ether
05/24/2007US20070117709 highly efficient synthesis of dimethyl ether via dehydration of methanol; composed of hydrophobic zeolites, cations selected from alkali metal, alkaline earth metal, or ammonium along with alumina, silica, or silica-alumina
05/23/2007EP1787971A2 Process for preparing aryl allyl ethers
05/23/2007EP1415972B1 Method of producing reduced coenzyme q10
05/23/2007CN2903059Y Production apparatus of producing dimethyl ether by gas phase catalyzing methanol dehydrolysis
05/23/2007CN1968916A Process for preparation of polytrimethylene ether glycols
05/23/2007CN1966482A Preparation method of liquid crystal compound containing cyclohexyl and lateral o-difluoro-benzene
05/23/2007CN1317249C Production method for combined producing dimethyl ether from nitrogen fertilizer plant or methanol plant
05/22/2007US7220870 Resolution of epi(chloro or bromo)hydrin using transition metal catalyst
05/16/2007EP1785410A1 Polyglycerol monoethers and process for producing the same
05/16/2007EP1470105B1 Liquid crystal compounds
05/16/2007CN2900523Y Dewatering reactor for producing dimethyl ether by methanol
05/16/2007CN2900522Y Heat exchanging type dimethyl ether synthetic tower
05/16/2007CN1962594A Process for preparing dimethyl ether by fluid bed reactor methanol gas phase dehydration
05/15/2007US7217677 Such as formation of 4-octylanisole from p-methoxyphenyl boronic acid and 1-bromooctane using bis(1,5-cyclooctadiene)nickel catalyst and bis(N-methylimidazole-2-yl)methane
05/10/2007WO2007052330A1 Reduced chalcone compound and method of producing the same, reduced product of fat-soluble licorice root extract and method of producing the same, cyclooxygenase-2 activity inhibitor, whitening agent, antiinflammatory agent and cosmetic
05/10/2007WO2006123146A3 Process for the conversion of synthesis gas to oxygenate
05/10/2007WO2006012778A8 Extracts of: pholidota chinesis lindl. the preparation methods and pharmaceutical use thereof
05/10/2007US20070106098 Multistage catalytic process for olefin etherification
05/10/2007US20070106097 Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters
05/10/2007US20070106096 for separating liquid mixtures of polyoxymethylene glycols; catalyzes, in the liquid film, a chemical reaction in which at least one readily volatile component is formed
05/10/2007US20070106092 Hydrofluoroethers having at least one hydrogenated -OCFX'CH3 end group wherein X'=F, CF3 and their preparation process
05/09/2007EP1781588A1 Method for the production of 2,7-octadienyl derivatives
05/09/2007EP1781587A1 Method for the telomerization of non-cyclic olefins
05/09/2007EP1781586A1 Method for the telomerization of non-cyclic olefins
05/09/2007CN1314635C Process for producing other organics from hydrocarbon
05/08/2007US7214835 1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liquid crystal compound using same
05/08/2007US7214833 Process for preparing perfluoropolyethers
05/03/2007WO2007049950A2 A process for preparing polymers of polyhydric alcohols
05/03/2007WO2007049069A1 Metal passivation
05/03/2007DE102006046468A1 New spiro(3.3)heptan-2-one useful e.g. in the preparation of 2,6-substituted spiro(3.3)heptane, in nematic liquid crystal mixtures and as functional fine chemicals
05/02/2007EP1780193A1 Liquid crystal material, method for producing liquid crystal material and liquid crystal device
05/02/2007EP1780192A1 Method for producing dibromofluorobenzene derivative
05/02/2007EP1778397A1 Alkaline earth-based alkoxylation catalysts
05/02/2007EP1458661B1 Separation of diastereoisomers
05/02/2007CN2895413Y Apparatus for producing dimethyl ether by dehydration catalysis using compound acid process
05/02/2007CN1956783A Process for preparing a silver catalyst, the catalyst, and use thereof in olefin oxidation
05/02/2007CN1955153A Synthetic method of pterostilbene
05/02/2007CN1313427C Preparation method of 2-allyloxy-1,3-propylene alcohol
05/02/2007CN1313426C Synthesis of 2-methoxyl-5-iodophenol
05/01/2007US7211698 Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal
05/01/2007CA2149569C Peroxide curable fluoroelastomers, particularly suitable for manufacturing o-rings
04/2007
04/25/2007CN1953952A Process for producing indenol esters or ethers
04/25/2007CN1312099C Alkoxylate mixtures and detergents containing the same
04/24/2007US7208640 Process for isolating highly pure 2-methoxypropene
04/24/2007US7208639 By reacting oily oxidized coenzyme Q10 with a reducing agent (iron, zinc or dithionous acid) in water; useful as an ingredient in foods, nutritional supplements, nutrients, drinks, feeds, cosmetics, medicines, remedies, preventive drugs; industrial scale
04/24/2007US7208638 Reacting perfluoropolyether acyl fluorides with bromo- or chloro-substituted fluoroethylenes; no catalysts are used; high selectivity
04/24/2007US7208605 Functionalized ionic liquids, and methods of use thereof
04/24/2007CA2135127C Process for the separation of oxigenated compounds from hydrocarbons, combining a distillation and a permeation step, and its use for etherification
04/19/2007WO2006076023A3 Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels
04/18/2007EP1773853A1 Monophosphine compounds, transition metal complexes thereof and production of optically active compounds using the complexes as asymmetric catalysts
04/18/2007EP1773736A2 Zone reactor
04/18/2007EP1319646B1 Process for preparation of 3,5-bisalkylphenols
04/18/2007EP1182184B1 Process for producing tetrafluoro benzenecarbaldehydes and tetrafluoro benzenemethanols
04/18/2007CN1948252A Method of preparing methyl catechol using calcium nitrite as raw material
04/18/2007CN1948251A Preparation method of 2,3-difluoro alkoxy benzene
04/18/2007CN1947833A Catalyst used for preparing dimethyl ether by dehydration of methanol, and method for preparing the same
04/18/2007CN1310836C Metallized mesoporous silicate and method of oxidation with the same
04/12/2007WO2006137347A3 Process for preparing tetrafluorobenzene carbaldehyde alkyl acetal
04/12/2007US20070083058 Process for the preparation of aliphatic primary alcohols and related intermediates in such process
04/12/2007DE102005037760B3 Verfahren zur Herstellung von Alkylenglykoldiethern A process for producing alkylene glycol diethers
04/11/2007EP0885180B1 Stabilized monomer composition
04/11/2007CN1946665A Method for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde
04/11/2007CN1946661A Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes
04/11/2007CN1946480A Process for preparing a catalyst, the catalyst, and a use of the catalyst
04/11/2007CN1944502A Synthetic method for crosslinking agent-pentaerythritol allyl ether for high molecular polymerization
04/11/2007CN1944367A Synthetic method for guaiacol
04/11/2007CN1944366A Process for synthesizing 4-chlorobutyl methyl ether
04/11/2007CN1944365A Process for synthesizing propylene glycol ether
04/11/2007CN1309439C Mild distilling and separating method for mixture
04/10/2007US7202387 Process for producing dimethyl ether
04/10/2007US7202386 Fluorinating (CF3)2CHOCH2Cl (which may be prepared by chlorinating the hexafluoroisopropyl methyl ether) with hydrogen fluoride in the presence of an amine
04/10/2007US7202385 Process for the alkoxylation of monools in the presence of metallo-organic framework materials
04/10/2007US7201835 Preparation of trialkyl orthocarboxylates by the electrochemical oxidation of ketals, especially furfural dimethyl acetal, in the presence of a C1- to C4-alcohol, especially methanol
04/10/2007CA2152980C Process for reacting a perfluoroalkyl iodide with an olefinic compound
04/05/2007WO2007038362A1 Preparation of polytrimethylene ether glycol and copolymers thereof
04/05/2007WO2007037119A1 Process for producing 3,3,3-trifluoropropionaldehyde
04/05/2007US20070078285 Dimethyl ether production from methanol and/or syngas
04/04/2007CN1308337C Bidentate ligands for the carbonylation of unsaturated compounds
04/04/2007CN1308276C Polyglycerols, polyglycerol/fatty acid ester, and processes for producing these
04/03/2007US7199272 Method for preparing para-(2-hydroxyalkyloxy) styrene monomers and oligomers
03/2007
03/29/2007WO2007034264A1 Process for preparing partial oxidation products of lower alcohols by direct oxidation of a lower alcohol and catalysts for use in that process
03/29/2007WO2007014613A3 Dehydration of alcohols to form alkenes or ethers
03/29/2007WO2007014613A2 Dehydration of alcohols to form alkenes or ethers
03/29/2007WO2006136135A3 Method for decarboxylating c-c cross-linking of carboxylic acids with carbon electrophiles
03/29/2007WO2006104884A3 Conversion of alkylhalides into alcohol alkoxylates
03/29/2007US20070073088 Process for the separation, by countercurrentwise liquid-liquid extraction, of a glyoxal diacetal from a crude mixture comprising it
03/28/2007EP1767514A1 Process for the isomerisation of alkenylalkoxybenzenen
03/28/2007CN1938401A Co-production of hydrocarbons and dimethyl ether
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