Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/2002
10/30/2002EP0888268B1 Method for the cyclotrimerization of alkynes in aqueous solutions
10/30/2002CN1377334A Method for production of aryl alkyl ethers
10/30/2002CN1376728A Recovery method for waste solidified resin
10/29/2002US6472572 Integrated process for synthesizing alcohols and ethers from alkanes
10/29/2002US6472570 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts
10/29/2002US6472569 Silicoaluminophosphate material, a method of making such improved material and the use thereof in the conversion of oxygenated hydrocarbons to an olefin and/or an ether
10/29/2002US6472568 Using column with only 5 reaction zones; high purity and yield tertiary alkyl ethers such as methyl or ethyl tertbutyl ether from excess of alcohol and mixed iso-olefin hydrocarbon feed
10/29/2002US6472567 Reacting a grignard reagent prepared from a substituted phenyl halide, especially a tert-butoxyphenyl halide, with a vinyl halide in the presence of a manganese, iron, cobalt or rhodium catalyst; product free from biphenyl.
10/24/2002WO2002083612A1 Process for producing (s)-1-(4-phenoxyphenoxy)-2-propanol
10/24/2002US20020156329 Fluorine-containing diene, its production method and its polymer
10/24/2002US20020156328 Zone reactor
10/24/2002US20020156327 Method for producing 3-l-menthoxypropane-1,2-diol
10/24/2002US20020156295 Coordination catalyst containing ligand
10/23/2002EP1064243B1 Coupling reactions with palladium catalysts
10/23/2002CA2382863A1 Method for producing 3-l-methoxypropane-1,2-diol
10/22/2002US6469224 Reacting a phosphazenium compound with a halogenated aromatic compounds, especially chlorinated aromatic compounds
10/22/2002US6469219 Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether
10/22/2002US6468939 Esters of phosphoric acid, phosphorous acid, phosphonic acid, phosphonous acid, phosphinic acid or phosphinous acid; complexing ligands
10/22/2002US6468608 Vinylene and ethyl compounds
10/17/2002WO2002049994A3 Materials and methods for synthesizing stilbenes
10/17/2002US20020151728 Production methods of 5-phthalancarbonitrile compound and an intermediate therefor
10/16/2002EP1249846A2 Polyalkylene oxide prorgens having hyper-branches and low dielectric-constant insulators using them
10/16/2002EP1248764A2 Novel methods for cross-metathesis of terminal olefins
10/16/2002EP1248761A1 Compounds which mimic the chemical and biological properties of discodermolide
10/16/2002CN1374287A Process for producing 2.7-dimethyl-2,4,6-sarohornene aldehyde mono aldehyde acetal
10/16/2002CN1092630C Process for alkoxylation of fluorinated alcohols
10/15/2002US6465699 Integrated process for synthesizing alcohols, ethers, and olefins from alkanes
10/15/2002US6465696 Synthesizing diethyl ether, ethanol, and ethyl acetate by reacting br2 with ethane forming bromoethane and hbr; reacting with metal oxide to form product; converting metal bromide formed to original oxide and br2; recycling
10/15/2002US6465687 Thyroid receptor ligands and method
10/15/2002CA2062560C Improved catalytic process for selective alkylation of aromatic hydrocarbons
10/10/2002US20020147364 Active fluoride catalysts for fluorination reactions
10/10/2002DE10118768A1 Process for recovering halogenated hydrocarbons and ethers, especially anaesthetic, comprises combining a distillation stage with a desorption stage using a water vapor carrier
10/09/2002EP1246861A1 Production of polytrimethylene ether glycol and copolymers thereof
10/09/2002EP1246784A1 Reaction of carbonyl compounds with organometallic reagents
10/09/2002CN1373114A Process for preparing isoolefine and/or tertiary alkylether
10/08/2002US6462243 Integrated process for synthesizing alcohols and ethers from alkanes
10/08/2002CA2216245C Preparation of cis-4-o-protected-2-cyclopentenol derivatives
10/03/2002WO2002077003A1 Process for obtaining lignan, pharmaceutical compositions and uses thereof
10/03/2002WO2002064583A3 Bis(alkylthio)carbenium salts
10/03/2002US20020142913 Process of preparing a fluid rare earth alkoxylation catalyst
10/03/2002CA2436198A1 Process for obtaining lignan, pharmaceutical compositions and uses thereof
10/02/2002EP1245553A2 Palladium-catalysed synthesis of aryl ethers
10/02/2002CN1091642C Higher secondary acohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition
10/01/2002US6459003 Ether compounds
10/01/2002US6458856 The catalytic conversion of a synthesis gas in a dimethyl ether monoxide, said conversion resulting in an effluent mixture comprising dimethyl ether, methanol, carbon dioxide, water and unconverted synthesis gas
09/2002
09/26/2002US20020137975 Process for producing bromo-aromatic condensed ring compound
09/26/2002US20020137974 Catalysis using phosphine oxide and sulfoxide compounds
09/26/2002US20020134517 Apparatus and process for generating mixed multi-component vapor
09/24/2002US6455459 For production of alkylene glycol ethers by the alkoxylation of lower alcohols with an alkylene oxide; antimony substituted by fluorine atom and an alkoxy group
09/24/2002US6455225 Photoresist monomers having stability to post exposure delay, polymers thereof and photoresist compositions containing the same
09/19/2002WO2002072643A1 Polymer-supported arylbis(perfluoroalkylsulfonyl)-methane
09/19/2002WO2002072518A2 Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds
09/19/2002WO2002072512A1 Process for producing 1-chloro-4-arylbutane
09/19/2002WO2002072511A1 'convenient and efficient suzuki-miyaura cross-coupling catalyzed by a palladium/diazabutadiene system'
09/19/2002DE10112067A1 Verfahren zur Herstellung von 2,7-Dimethyl-2,4,6-octarienal-monoacetalen Process for the preparation of 2,7-dimethyl-2,4,6-octarienal-monoacetals
09/19/2002DE10111230A1 Metallorganische Gerüstmaterialien und Verfahren zu deren Herstellung Organometallic framework materials and processes for their preparation
09/18/2002EP1241157A1 Process for the preparation of 2,7-dimethyl-2,4,6-octatrienal-monoacetals
09/18/2002EP1241155A1 Method of obtaining pinitol from carob extracts
09/18/2002EP1240272A2 A new family of conducting liquid crystals
09/18/2002EP1240126A1 Fluorine containing allylethers and higher homologs
09/18/2002EP1240125A1 Fluorine containing vinyl ethers
09/18/2002EP1019350B1 Process for preparing tertiary alkyl ethers
09/18/2002CN2511681Y Internal recycling static mixed dimethyl ehter fluidized-bed reactor
09/12/2002WO2002070526A1 Organometallic building materials and method for producing the same
09/12/2002US20020128522 By halogenation of a diphenyl compound or by the reaction of p-halophenol and p-dihalobenzene, acylation of the dihalogen compound in a Friedel-Crafts reaction, oxidation of the acyl compound and hydrolysis
09/12/2002US20020128521 Alkoxylating organic compound with an alkylene oxide in the presence of a catalytically effective amount of a boron containing catalyst; very narrow molecular weight distribution
09/12/2002US20020128520 Reacting 2,5-dimethoxydihydrofuran with methanol in the presence of solid catalysts having acidic centers
09/12/2002US20020128519 Condensing an ester phosphonium salt or an ester phosphonate with an aldehyde in a Wittig or Wittig-Horner reaction to give an acetal ester, reducing the ester to give an acetal alcohol, oxidizing the alcohol to the monoacetal
09/12/2002US20020128486 Phosphinite-oxazolines and metal complexes
09/11/2002EP1237839A2 Process for producing 3-bromobenzoyl halides
09/11/2002EP1237835A2 Continuous process for the preparation of polytrimethylene ether glycol
09/11/2002EP0837848B1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
09/11/2002CN1368974A Removal of dissolved silicates from alcohol-silicon direct synthesis solvents
09/11/2002CN1368493A Process for preparing bimethyl ether by catalytic dewatering of methanol
09/11/2002CN1090599C Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
09/10/2002US6448452 Fluorine-containing diene, its production method and its polymer
09/10/2002US6448451 Process for removal of dimethyl ether in the synthesis of sevoflurane
09/10/2002US6448449 Process for preparation of (R)-1- (aryloxy)propan-2-ol
09/10/2002US6448414 Hydrolytic kinetic resolution of cyclic substrates
09/10/2002CA2100037C Substituted styrenes
09/05/2002US20020123657 Electrophilic fluorination
09/04/2002EP1236511A1 Palladium catalyst and process for producing ether
09/04/2002EP1235820A2 Ether-capped poly(oxyalkylated) alcohol surfactants
09/04/2002EP1235779A2 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
09/04/2002EP1235778A2 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
09/04/2002EP1235764A1 Catalysis using phosphine oxide compounds
09/04/2002EP1042266B1 An ortho ester-based surfactant, its preparation and use
09/04/2002CN1367770A Medium oil for slurry process and process for producing dimethyl ether
09/03/2002US6444858 Method of reducing flock during alkoxylation
09/03/2002US6444095 Evaporator, a separator vessel, product pumps, and a solids removal system, oil and natural gas wells
08/2002
08/29/2002WO2002066413A1 Flecainide synthesis
08/29/2002US20020120168 Difluoromethyl ether derivative and process for producing the same
08/28/2002EP1234811A1 Process for the synthesis of mono aryl alkyl ethers
08/28/2002CN1365961A Process for removing heavy metals from diphenylether products
08/27/2002US6441239 Halomethylation of trifluoromethoxybenzene to form halogenomethyl-1-trifluoromethoxybenzene, halogen-cyano exchange forming 4-(trifluoromethoxyphenyl) acetonitrile, reducing in presence of hydrogen and nickel catalyst
08/22/2002WO2002064583A2 Bis(alkylthio)carbenium salts
08/22/2002WO2002064538A1 Process for producing 4-trifluoromethoxybenzyl halide compound
08/22/2002DE10106577A1 Bis(alkylthio)carbeniumsalze Bis (alkylthio) carbenium
08/22/2002DE10105751A1 Verfahren zur Herstellung von 1-Octen A process for the preparation of 1-octene
08/21/2002EP1232791A1 Active fluoride catalysts for fluorination reactions
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