Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
03/2003
03/19/2003EP1292587A2 Process for operating the epoxidation of ethylene
03/19/2003EP1292557A1 Methods for etherifying glycerol, and catalysts for implementing said methods
03/19/2003EP1292556A2 Catalytic dehydroxylation of diols and polyols
03/19/2003CN1403430A Process for producing 5-bromo-2-fluorobenzoic boric acid
03/19/2003CN1403429A Prepn of tri-and tetra-glycol methyl ether and utilization of side product polyglycol methyl ether
03/19/2003CN1403428A Catalytic hydrogenation and dehalogenation process of phenoxy phenol halide compound
03/18/2003US6534685 Liquid mixture having cetane number higher than 40 comprising typical diesel gas oil cut having specified boiling point and density range, and specified concentration of one or more dialkyl-polyformal compounds
03/18/2003US6534553 Hydrogenation of carbon monoxide using sulfide catalysts
03/13/2003WO2003020673A1 Process of removing contaminants from an olefin stream using extractive distillation
03/13/2003WO2003020254A1 Pharmaceutical composition comprising (-)-secoisolariciresinol
03/13/2003WO2002047817A3 Process of preparing a fluid rare earth alkoxylation catalyst
03/13/2003US20030050518 Fluorination of aromatic fused ring compound by treating the compound with fluorine in an inert solvent with elemental fluorine, preferably in a gas stream and diluted with an inert gas; efficiency
03/12/2003EP1291336A2 Preparation of optically active alpha-hydroxyethers
03/12/2003EP1289918A1 Process for the production of isopropenyl methyl ether
03/12/2003CN1401620A Process for preparing o-methyl allyloxyphenol
03/12/2003CN1401619A Method and apparatus for continuous synthesis of vinyl isobutyl ether
03/12/2003CN1102928C Alkylcyclohexanolalkyleneoxide adduct and preparation process thereof
03/11/2003US6531635 Hydrolyzing and hydrogenating a reaction mixture of 1,1,3-trialkoxyalkane and 3-alkoxyalkanal obtained from reaction of an alpha,beta-unsaturated aldehyde with an alcohol; 3-methoxypropanol from acrolein and methanol
03/11/2003US6531558 Fluoromonomers and method of production, and new fluoropolymers produced therefrom
03/06/2003WO2003018518A1 Process to bromomethylate aromatic compounds
03/06/2003US20030045727 Process for preparing optically active secondary alcohols having nitrogenous or oxygenic functional groups
03/06/2003US20030045655 Removal of substantially all oxygenate contaminants from an olefin containing stream; resulting purified olefin is particularly suitable for use as feed in manufacture of polyolefins
03/05/2003EP1288186A2 Vinyl ether compounds and preparation process thereof
03/05/2003EP1288183A1 Process for preparing unsaturated compounds by pyrolysis
03/05/2003EP1286941A1 Synthetic method for fluoromethylation of halogenated alcohols
03/05/2003EP1286940A1 Synthetic method for the fluoromethylation of alcohols
03/05/2003EP1286939A1 Method for fluoromethylation of alcohols via halogenative decarboxylation
03/05/2003CN1400198A Producing process of other organism from hydrocarbon
03/04/2003US6528692 Process for producing bromo-aromatic condensed ring compound
03/04/2003US6528041 Process for the preparation of 1-Propyl-2, 4, 5-trimethoxybenzene from toxic β-asarone of acorus calamus or from crude calamus oil containing β-asarone
03/04/2003US6528025 An apparatus for carrying out a process for the preparation of acetals or ketals by reacting an aldehyde or ketone with an alcohol in the presence of a solid acid, and removing water from the reaction product by pervaporation comprising a
02/2003
02/28/2003CA2356474A1 Polyether-polyol compound
02/27/2003US20030040609 Isolation of inositol from carob extracts; obtain carob, expose to chhromatographic column, recover inositol
02/27/2003US20030040591 New fluoromonomers and methods of production, and new fluoropolymers produced therefrom
02/27/2003US20030039600 Control scheme for conversion of variable composition synthesis gas to liquid fuels in a slurry bubble column reactor
02/26/2003EP1285905A1 Novel fluorine compound, process for producing the same, and polymer thereof
02/26/2003EP1285904A1 Process for producing fluorinated aliphatic compounds
02/26/2003EP1183224A4 Process for preparing alkoxy or arylmethoxy aroxyethanes
02/26/2003EP1119539B1 A process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds
02/26/2003CN1102139C Noval 1,3-diphenyl propane derivative having inhibitory activity against tyrosinase and process for preparing same
02/25/2003US6525230 Zone reactor
02/25/2003US6525228 Process of telomerizing conjugated dienes
02/25/2003US6525226 Process for preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst
02/25/2003US6525068 Hydronaphtalene compounds, prepared by a rhodium catalyzed ring opening reaction in the presence of phosphine ligand
02/25/2003US6524990 Reacting fluorine gas in presence of catalyst
02/20/2003WO2003013723A1 Palladium catalysts
02/20/2003WO2002102707A3 Transition metal oxo, sulfido and amido complexes as catalysts of nucleophilic addition reactions
02/20/2003US20030036572 Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas containing carbon dioxide
02/18/2003US6521199 Hydrogen fluoride(HF); ammonium fluorides used for fluorinating acid chlorides and halocarbon compounds such as chloroalkanes are regenerated and reused by reacting with HF in the presence of a liquid carboxylic acid
02/13/2003WO2003012253A2 Method of controlling asphaltene precipitation in a fluid
02/13/2003WO2003011875A1 Novel transition-metal complexes and use thereof in transition-metal catalysed reactions
02/12/2003CN1101412C Method for producing polyoxyene polymer by polymerizing cyclic ether unit
02/11/2003US6518465 Introducing alkyl ester into pressurized and heated reaction zone of a reactive distillation column to produce carboxylic acid and ether from ester; recovering ether and carboxylic acid
02/11/2003US6518464 Reacting an unsaturated compound with allyl alcohol
02/06/2003WO2003010156A1 Method for preparing $g(a)-halogenoalkylarylketones and their halogenated intermediate products
02/06/2003WO2003009936A2 Palladium-catalysed carbon-carbon bond forming reactions in compressed carbon dioxide
02/05/2003EP1280753A1 Process for preparation of r-1-(aryloxy)propan-2-ol
02/05/2003EP1280752A1 Method for producing 2-alkyl-3-chlorophenols
02/05/2003CN1394965A Melt reduction iron-smelting dimethyl ether production and power generation combined production method and installation
02/05/2003CN1100742C Method for produicng dihydric alcohol
02/04/2003US6515190 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
02/04/2003US6515188 Method for producing 3-l-menthoxypropane-1,2-diol
02/04/2003US6514898 Reacting solution of a rare earth salt in a C9-C30 active hydrogen containing organic compound with phosphoric acid to forma rare earth phosphate; preparing alkylene oxide adducts of organic compounds having active hydrogen atoms
01/2003
01/30/2003WO2003008363A1 Method of stabilizing reduced coenzyme q10 and method of acidic crystallization
01/30/2003WO2003008361A1 Process for the racemization of alcohols
01/30/2003CA2453135A1 Method of stabilizing reduced coenzyme q10 and method of acidic crystallization
01/29/2003EP1279656A2 Process for preparing unsymmetrical biaryls and alkylated aromatic compounds from arylnitriles
01/29/2003CN1099911C Use of hydrogen-bis (oxalato) borate
01/28/2003US6512147 Apparatus and process for generating mixed multi-component vapor
01/28/2003US6512146 Process for preparing a dialkyl acetal of a C8 to C30 aldehyde
01/23/2003WO2003006574A1 Liquid crystal compounds
01/23/2003WO2003006412A1 Method of producing reduced coenzyme q10
01/23/2003WO2003006411A1 Method of crystallizing reduced coenzyme q10 from aqueous solution
01/23/2003WO2003006410A1 Method of producing reduced coenzyme q10 as oily product
01/23/2003WO2003006409A1 Method of producing reduced coenzyme q10 crystals with excellent handling properties
01/23/2003WO2003006408A1 Method of producing reduced coenzyme q10 using solvent with high oxidation-protective effect
01/23/2003WO2003006407A1 Process for producing ether compound
01/23/2003WO2003006151A1 Microencapsulated catalyst, methods of preparation and methods of use thereof
01/23/2003WO2002010106A1 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers
01/23/2003US20030018219 Process for preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst
01/23/2003US20030018192 Preparation of substituted aromatic compounds
01/23/2003CA2453165A1 Method of producing reduced coenzyme q10
01/23/2003CA2453164A1 Method of crystallizing reduced coenzyme q10 from aqueous solution
01/23/2003CA2453163A1 Method of producing reduced coenzyme q10 as oily product
01/23/2003CA2453113A1 Microencapsulated catalyst, methods of preparation and methods of use thereof
01/22/2003EP1277724A1 Method of preparing monofluoromethyl ethers
01/22/2003CN1099403C Novel ether compound and its preparing method
01/21/2003US6509509 Ester precursor is hydrolyzed in reaction mixture of solvent, metal hydride, and inert organic base
01/21/2003US6509507 Polymerizable biaryls, process for their preparation and their use
01/16/2003WO2002057372A3 Stabilization of vinylether and vinyl lactam formulations against hydrolysis
01/16/2003US20030013924 Perfluoropolyether primary bromides and iodides
01/16/2003US20030013923 Perfluoropolyether (pfpe) solvents and lubricants
01/16/2003US20030013922 Perfluoropolyether primary bromides and iodides
01/15/2003EP1275678A2 Perfluoropolyethers (PFPEs) having at least an alkylether end group and respective preparation process
01/15/2003EP1275630A1 Process for producing substituted aromatic compound
01/15/2003CN1391542A C13 alcohol mixture and functionalized C13 alcohol mixture
01/15/2003CN1390820A Process for preparing trifluomethoxybenzene
01/15/2003CN1098833C Process for preparing orthoformate
01/14/2003US6506945 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
01/14/2003US6506800 For control of insect and acarid pests
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