Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
04/2004
04/01/2004WO2004026885A1 Process for the preparation of acid esters
04/01/2004WO2004026807A1 Intermediates in producing phenoxyacetic acid derivatives and method of using the same
04/01/2004WO2004026806A2 Diastereoselective method of preparing olefins by means of the horner-wadsworth-emmons reaction, comprising the addition of a tris-(polyoxaalkyl)-amine sequestering agent
04/01/2004WO2003101932A3 Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
04/01/2004WO2003090669A3 Transesterification, esterification, interesterification me thods using dielectric heating
04/01/2004WO2003066562A3 Method for preparing $g(v)-bromoalkylcarboxylic compounds
04/01/2004US20040063999 Process for the production of optically active amino alcohols
04/01/2004US20040063993 Preparation of 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol
04/01/2004US20040063963 Dimerization; oxidation coupling of naphthol in presence of complex catalyst of copper chloride-tetramethylethylenediamine
04/01/2004US20040062781 Retinol derivatives and process for preparing same
04/01/2004DE10243700A1 Verfahren und Vorrichtung zur Herstellung von Biodiesel Method and apparatus for production of biodiesel
04/01/2004CA2499635A1 Diastereoselective method of preparing olefins by means of the horner-wadsworth-emmons reaction, comprising the addition of a tris-(polyoxaalkyl)-amine sequestering agent
03/2004
03/31/2004EP1403262A1 Process for producing optically active alpha butyrolactone
03/31/2004EP1401575A1 Hydroxylation of beta-dicarbonyls with zirconium catalysts
03/31/2004EP1185498B1 Synthesis of optically active cyclohexylphenylglycolic acid and its esters
03/31/2004CN1486295A Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether
03/31/2004CN1486293A Improved process for producing carboxylic acids
03/31/2004CN1485311A Process for preparing butyl butyrate
03/31/2004CN1485133A New pattern catalyst for preparing methyl methacrylate by one-step oxidation-esterification from methylacrolein
03/30/2004US6714712 Urethane-free polyester acrylate oligomers have also been used in radiation-curable coating compositions for optical glass fibers
03/30/2004US6713221 Ester wax obtained by condensation of carboxylic acid and alcohol, carboxylic acid contains a single kind of saturated linear monocarboxylic acid with 14-30 carbon atoms, alcohol contains single kind of mono or polyhydric alcohol
03/30/2004US6712867 Process for production of fatty acid methyl esters from fatty acid triglycerides
03/25/2004WO2004025842A2 System for efficient recovery of node-b buffered data following mac layer reset
03/25/2004WO2004024681A2 Novel compounds comprising a thiocarbonyl-sulfanyl group, which can be used for the radical synthesis of alpha-perfluoroalkylamines
03/25/2004WO2004024667A1 Process for production of 2-(hydroxymethyl)cyclo- propanecarboxylic acids
03/25/2004WO2004024323A1 Palladium catalyst composition
03/25/2004WO2004024322A2 A catalyst system comprising a 1,2-bis-(phosphinoalkyl) ferrocene ligand
03/25/2004WO2004005237B1 Method of preparing hydroxytyrosol esters, esters thus obtained and use of same
03/25/2004WO2003060852A3 Catalytic osmium-assisted oxidative cleavage of olefins
03/25/2004US20040059157 Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
03/25/2004US20040059152 Synthesis of alkenoate esters from lactones and alcohols
03/25/2004US20040059151 Contacting a sterically hindered hydroxyl-containing compound with an acid halide (phosphorus trihalide) in presence of an acid acceptor in amount sufficient to drive the reaction to completion to form organic phosphite esters
03/25/2004US20040059150 Reduced odor esters and process for producing same
03/25/2004US20040059143 Process for the transesterification of fat and/or oil by means of alcoholysis
03/25/2004US20040058998 Alcoholate catalytic rearrangement of sunflower, safflower or corn oil; saponifying and mild acid washing; high purity and acid value
03/25/2004US20040055970 Combustion of waste prevents piping of combustion furnace from blocking interiors; pollution control
03/25/2004DE10206619B4 Verfahren zur Herstellung von Alkincarbonsäuren und Alkincarbonsäure-Alkinalkoholestern durch Oxidation von Alkinalkoholen A process for preparing alkyne carboxylic acids and alkynecarboxylic acid-Alkinalkoholestern by oxidation of alkyne alcohols
03/25/2004CA2615915A1 System for efficient recovery of node-b buffered data following mac layer reset
03/24/2004EP1400527A1 Chiral diphosphorus compounds and transition metal complexes thereof
03/24/2004EP1400506A2 Process for the preparation of carboxylic acid benzyl ester
03/24/2004EP1399410A1 Colour stabilization of base-stabilized ethylenically modified unsaturated monomers
03/24/2004EP1399409A1 Method for producing (meth)acrylic acid esters
03/24/2004EP1399408A1 Method for producing (meth)acrylic acid esters
03/24/2004EP1399257A2 Regeneration of catalyst for use in production of lower aliphatic carboxylic acid ester and production of lower aliphatic carboxylic acid ester
03/24/2004EP1399254A1 Tungsten promoted catalyst for carbonylation of lower alkyl alcohols
03/24/2004EP1399034A1 Taste modifiers comprising a chlorogenic acid
03/24/2004EP1154845B1 Use of ethoxylated glyceride mixtures as emulsifiers for producing paraffin hydrocarbon emulsions
03/24/2004EP1153009B1 Method for carbonylation of lower aliphatic alcohols
03/24/2004EP1047657B1 Jojoba ester based emollient compositions
03/24/2004EP1042426B1 Invert emulsion drilling fluid containing mixtures of secondary esters obtained by conversion of olefins, and preparation thereof
03/24/2004CN1484631A Preparation of enantiomerically pure hydroxy esters and acids
03/24/2004CN1484630A Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
03/24/2004CN1484450A Quick digital channel switching
03/24/2004CN1483719A Wethod for preparation acetylacetic ester
03/24/2004CN1483718A Procdss for preparing hydroxyaldyl (meth) acrylate
03/24/2004CN1483717A Process for synthesizing isopropyl acetate and method for preparing its catalyst
03/24/2004CN1142993C Method for preparing fatty acid ester and fuel containing same
03/24/2004CN1142903C Tricyclo carboxylic ester, its preparation and perfume containing the said compound
03/24/2004CN1142902C Alk (En)yl dicarboxylic acid bisesters, their use and method for preparing them
03/24/2004CN1142901C Preparation of vinyl acetate
03/23/2004US6710206 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof
03/23/2004US6710202 Process for production of high-purity bis-β-hydroxyethyl terephthalate
03/18/2004WO2004022519A1 Method for processing (meth)acrylic acid and (meth)acrylic esters
03/18/2004WO2004022518A1 Process for producing (meth)acrylic acid compound
03/18/2004WO2004022231A1 Catalysts
03/18/2004US20040054226 Alkylation of malonic ester, malononitrile; using carbonate and phase transfer agent
03/18/2004US20040054220 Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
03/18/2004US20040054217 Process for preparing 2-fluoro-3-oxoalkylcarboxylic acid ester
03/18/2004US20040054205 Method of producing branched fatty substances
03/18/2004US20040054019 Dimethyl terephthalate composition and process for producing the same
03/18/2004US20040053890 Naphthalene derivatives
03/18/2004US20040053401 Preparation of enantiomerically pure hydroxy esters and acids
03/18/2004US20040052229 System for efficient recovery of Node-B buffered data following MAC layer reset
03/18/2004US20040050681 Polymerization inhibition effected during distillation of (meth)acrylic acid/ester by using a column equipped with a heat exchanger; setting a linear gas velocity in the line connecting of 5 m/sec and retention time of <3 sec
03/17/2004EP1398310A1 Process for the production of optically active amino alcohols
03/17/2004EP1397338A1 Vapor-phase carbonylation of lower alkyl alcohols using tungsten promoted group viii catalyst
03/17/2004EP1397337A1 Vapor-phase carbonylation of lower aliphatic alcohols using tin promoted iridium catalyst
03/17/2004EP1397334A1 Method for carbonylation of lower aliphatic alcohols using tin promted platinum catalyst
03/17/2004EP1397207A1 Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols
03/17/2004EP1397206A1 Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols
03/17/2004EP1212276B1 Sulfur containing promoter for alkanes oxidative dehydrogenation processes
03/17/2004EP1171413B1 Mixture of adipic or phthalic acid diesters and isomeric nonanols
03/17/2004EP1097121B1 Ester synthesis
03/17/2004CN1483015A Dimethyl terephthalate composition and its producing method
03/17/2004CN1142132C Process for depolymerizing butanediol terephthalate with methanol
03/17/2004CN1142107C Process for treating waste liquid of furaldehyde and recovering butyl acetate, ammonium sulfate, ammonium acetate, acetamide and acetonitrile
03/16/2004US6706930 Acylation of a halogenated benzene compound, etherification of etherification of the acylated compound with a halogenated phenol, oxidation of the etherified compound
03/16/2004US6706926 Enantioselective hydrogenation catalysts
03/16/2004US6706914 Rhodium containing solutions
03/16/2004US6706912 Carbon monoxide reacted with alcohol in presence of catalyst system comprising palladium cations, bidentate diphosphine, and anions derived from sulfonic acid, in apriotic solvent (anisole)
03/16/2004US6706910 Method for producing cyclopropanecarboxylates
03/16/2004US6706843 Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste
03/16/2004US6706209 Stabilized monomer composition
03/16/2004US6706208 A polymerization inhibitor for hydroxyalkyl (meth)acrylate consists of hydroxyalkyl saturated carboxylate and/or alkylene glycol along with phenol compound
03/11/2004WO2004020385A1 Process for preparing nitrooxyalkyl substituted esters of carboxylic acids, intermediates useful in said process and preparation thereof
03/11/2004WO2004020384A1 Process for preparing nitrooxyderivatives of naproxen
03/11/2004WO2004020383A1 Production of lower aliphatic carboxylic acid ester
03/11/2004WO2004020381A1 Process for preparing aldehyde compounds
03/11/2004WO2003099759A8 Preparation and application of transhintotalphenolic acid
03/11/2004US20040049089 Reacting a fluoroalkyl iodide with tetrafluoroethylene and reacting products with a polymerization degree of less than 3 with addition tetrafluoroethylene; formation of 1H,1H,2H,2H-perfluoroalkyl (meth)acrylates