Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/2003
09/17/2003EP1344764A2 Process for the inhibition of polymerization of (meth)acrylate esters
09/17/2003EP1344763A1 Process for producing optically active 3-halogenocarboxylic acid esters and 3-azide-carboxylic acid esters
09/17/2003EP1344762A1 Process for preparation of tertiary alcohol esters
09/17/2003EP1343748A1 Method for producing higher (meth)acrylic acid esters
09/17/2003EP1343747A2 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
09/17/2003EP1198291B1 Catalyst and method for producing vinyl acetate
09/17/2003EP0910560B1 Process for preparing 2-aryl-substituted indenes
09/17/2003CN1443153A Process for preparation of enantiomerically pure pyrethroid insecticides
09/17/2003CN1121385C Haphthyl compounds, intermediates, compositions and methods of use
09/17/2003CN1121378C Method for making alpha, beta unsaturated beta trifluoromethyl carboxylates and related compounds
09/16/2003US6620965 Process for vinyl acetate
09/16/2003US6620964 Preparation of dihydroxycarboxylic esters in the absence of solvents
09/16/2003US6620952 Ester interchange of fatty acid esters with alcohol-2+ in the presence of basic catalysts, then removing by-products by sparging with inert gases; efficiency
09/16/2003US6620904 Solution comprising polyglycerol comprising step of polymerizing glycerol, polyglycerol, or a mixture thereof in presence of calcium compound
09/16/2003US6620600 Enzymatic resolution of aryl and thio-substituted acids
09/16/2003CA2274182C Process for the preparation of vinyl acetate
09/12/2003WO2003074463A1 Aldehyde conversion method using a molecular sieve and the use of the molecular sieve as a catalyst in said method
09/12/2003WO2003074448A2 Process for making organic products from non-product streams using a catalyst
09/12/2003WO2002002684A9 Stabilisers, in particular for thermoplastic polyurethanes
09/11/2003WO2003074465A1 Process for the production of an alkenyl carboxylate or an alkyl carboxylate
09/11/2003WO2003074454A1 Alkene separation process
09/11/2003US20030171618 Process for producing organic compounds using nitrites
09/11/2003US20030171616 Process for producing acyl fluoride and carboxylic acid salt
09/11/2003US20030171610 Catalyst asymmetric desymmetrization of prochiral compounds
09/11/2003US20030171608 Transition metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral olefins, ketones and imines.
09/11/2003US20030171602 Enantioselective process
09/11/2003US20030171431 Intermediate and process for producing fluorinated carboxylic acid derivative from the same
09/11/2003US20030169189 Robust system for transmitting and receiving map data
09/11/2003US20030168633 Reacting a difunctional acyl halide with bis 1,4 (4'-hydroxybenzoyloxy)-R2-phenylene and hydroxyalkyls to produce final blend comprising polymerizable mesogens comprising at least three aromatic rings joined by ester linkages
09/10/2003EP1342715A2 Process for producing oximes using nitirites
09/10/2003EP1342695A1 Microporous crystalline material (itq-15), method for the preparation thereof and its use in processes for separating and transforming organic compounds
09/10/2003EP1341798A1 Chiral diphosphines and their metal complexes
09/10/2003EP1341797A1 Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catayltic reactions
09/10/2003EP1341795A2 Novel labeled resiniferatoxin derivatives
09/10/2003EP1341751A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE
09/10/2003EP1341750A1 Method for the carbonylation of pentenoic acid and derivatives thereof
09/10/2003EP1341743A2 Organic reactions with co generating materials
09/10/2003EP1202950B1 Recovery of polyunsaturated fatty acids from urea adducts
09/10/2003EP1196370B1 Process for the preparation of 5- and/or 6-substituted-2-hydroxybenzoic acid esters
09/10/2003EP1032557B1 Method for preparing bromomethyl-biphenyl derivatives
09/10/2003EP0840720B1 Process for making iodinated fatty acids and derivatives thereof by iodohydrination using alkylsilylated derivatives and alkaline iodides and pharmacological activities thereof
09/10/2003CN1441837A Transesterification process
09/10/2003CN1441769A Optimized catalyst addition to enhance esterification catalyst performance
09/09/2003US6617472 Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate
09/09/2003US6617471 Forming ester from alcohol and carbon monoxide; vapor phase using catalyst
09/09/2003US6617470 Unconverted starting compounds and (meth)acrylate are separated by distillation; oxyesters-containing product are cleaved in the presence of a relatively long-chain alkylbenzenesulfonic acid at elevated temperatures.
09/09/2003US6617469 Carbonylation of a haloacetic ester
09/09/2003US6617289 Reacting an alcohol with the carboxylic acid in a presence of a Lewis acid catalyst and a phosphorus containing reducing agent, separating the resultant ester
09/04/2003WO2003073169A2 Fluorinated molecules and methods of making and using same
09/04/2003WO2003072630A1 Hydrogenation of polyester oligomers containing terephthalic acid residues
09/04/2003WO2003072533A1 Indanes and indanones and their use in perfumery
09/04/2003WO2003022790A3 Biphenylene compounds
09/04/2003WO2002059227A3 Novel mesogens
09/04/2003WO2001068252A3 Improved metal-ligand complex catalyzed processes
09/04/2003US20030166979 Chemical methods
09/04/2003US20030166969 Esterification od an alcohol with acid chloride; liquid phase fluorination; spitting to form fluorinated ketone
09/04/2003US20030166964 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
09/04/2003US20030166963 Using tertiary amine catalyst
09/04/2003US20030166962 Esterification
09/04/2003US20030166682 Comprising reacting 4-(4-Hydroxy-1-butynyl)-alpha, alpha-dimethylbenzeneacetic acid methyl ester with a copper and/or silver compound in the presence of palladium or a compound thereof
09/04/2003US20030166462 Solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F for producing Knoevenagel or Michael condensation reactions. The invention also concerns novel solid basic
09/03/2003EP1340741A1 Indane derivatives and their use in perfumery
09/03/2003EP1339666A1 Preparation of 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol
09/03/2003EP1339663A2 Naphthalene derivatives
09/03/2003EP1183225B1 Method for producing fatty acid esters of monovalent alkyl alcohols
09/03/2003EP1180091B1 Fluorination
09/03/2003EP1038861B1 4-fluoro-3-oxocarboxylic esters and process for producing the same
09/03/2003EP1027322B1 Sulfur removal process from an acrylate waste stream
09/03/2003EP0928185B1 Compositions and uses thereof
09/03/2003CN1440461A Process for preparation of dihydroxy esters and derivatives thereof
09/03/2003CN1440416A Catalyst for asymmetric (transfer) hydrogenation
09/03/2003CN1440378A Method for producing blends of phthalic acid diesters, decanols and tridecanols
09/03/2003CN1440373A Process for the catalytic oxidation of hydrocarbons
09/03/2003CN1439628A Ferulaic acid esters and preparation and application thereof
09/03/2003CN1439627A Production of isobutyl isobutyrate from isobutyraldehyde by condensation
09/03/2003CN1120149C Process for preparing i(O)-(carboalkoxy) phenylmethanesulfonyl chloride derivatives
09/02/2003US6613938 Method for carbonylation of lower aliphatic alcohols using tin promoted platinum catalyst
09/02/2003US6613935 Reacting a beta-ketoester derivative such as an acetoacetate with 1,2-dichloroethane that is readily available at low cost
09/02/2003US6613196 Lowering the inner oxygen concentration of column handling easily polymerizable compound containing solution below the limit of oxygen concentration by supplying an inert gas
08/2003
08/28/2003WO2003070859A1 Method of producing fatty acid alkyl ester for diesel fuel oil
08/28/2003WO2003070717A1 Process for the manufacture of hmg-coa reductase inhibitory mevalonic acid derivatives
08/28/2003WO2003070685A1 Brominated esters, methods for their preparation and use thereof as flame retardants
08/28/2003WO2003070684A1 Process for producing chain oligolactic acid ester
08/28/2003WO2003070679A1 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
08/28/2003WO2003070677A1 Fluorination of dicarbonyl compounds
08/28/2003WO2003070666A2 Process for making organic products from non-product streams using phase transfer catalysis
08/28/2003WO2003070370A1 Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
08/28/2003US20030163005 Process for the preparation of halogenated hydroxydiphenyl compounds
08/28/2003US20030162994 For use in asymmetrical catalysis
08/28/2003US20030162974 Synthesis of oxygen-substituted benzocycloheptenes as valuable intermediate products for the production of tissue-selective estrogens
08/28/2003US20030162937 Contacting polyester oligomer comprising terephthalic acid residues with hydrogen in the presence of a supported or suspended hydrogenation catalyst and pressurized hydrogen, heating
08/28/2003US20030162893 Low-temperature, high speed reaction of a diacetylated tartaric acid anhydride melt and a melt of partial glycerides comprising 60-99% monoglycerides; emulsifier, dough conditioner for flour and yeast-leavened bakery goods
08/28/2003US20030162851 Methods of making intermediates from polyhydroxyalkanoates
08/28/2003US20030160205 Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the same
08/28/2003CA2476742A1 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
08/28/2003CA2476118A1 Process for making organic products from non-product streams using phase transfer catalysis
08/27/2003EP1257360A4 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/27/2003EP1180108B1 Imidazolidine-based metal carbene metathesis catalysts
08/27/2003EP0760845B1 Increasing the electrical resistivity of ester lubricants, especially for use with hydrofluorocarbon refrigerants
08/27/2003CN1438308A Method for producing diglyceride
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