Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/2003
12/03/2003CN1129481C Vinyl acetate catalyst comprising metallic palladium copper and gold and proparation thereof
12/03/2003CN1129478C Esterification catalysts
12/03/2003CN1129476C Catalyst for use in producing lower fatty acid ester, process for producing catalyst and process for producing lower fatty acid ester using catalyst
12/02/2003US6657094 Deiodination by reaction with chlorine gas
12/02/2003US6657075 Continuous process for tertiary butyl esters
12/02/2003US6657074 Rearrangement of corresponding enol esters in presence of alkali metal azide
12/02/2003US6656968 (Z)-styryl acetoxyphenyl sulfides as cyclooxygenase inhibitors
12/02/2003US6656510 Antidepressants
11/2003
11/27/2003WO2003098916A2 High-resolution image projection
11/27/2003WO2003097570A1 Process for the production of 4-methylcyclopentenone derivatives
11/27/2003WO2003097569A1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters
11/27/2003WO2003097568A1 Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative
11/27/2003WO2003074448A3 Process for making organic products from non-product streams using a catalyst
11/27/2003US20030220517 Dechlorination in the presence of boron trifluoride; chemical intermediates for the synthesis of insecticides
11/27/2003CA2486139A1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters
11/26/2003EP1364947A1 Preparation of isocoumarin derivatives and intermediates for the synthesis thereof
11/26/2003EP1364939A1 Utilization for improving stability of uv-absorbing substances, uv-absorbers and cosmetics
11/26/2003EP1364938A1 Process for producing fluorine compound
11/26/2003EP1364934A1 Method for producing fluoroalkyl iodide telomer mixture and method for producing fluorine-containing (meth)acrylate ester
11/26/2003EP1363869A2 Process for the preparation of alkyl benzoylacrylates
11/26/2003EP1363868A1 Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
11/26/2003EP1025072B1 Method for producing vicinal diols or polyols
11/26/2003CN1458921A Process for making N-aryl-anthranilic acid and their derivatives
11/26/2003CN1458917A Coupled production of two esters
11/26/2003CN1129166C Photoresist polymer, composition and its preparing method
11/26/2003CN1128783C Process for distillation of crude ester in DMT/PTA process
11/26/2003CN1128782C Catalyst for decarbonylation reaction
11/26/2003CN1128781C Process for preparing alkyl carboxylates
11/26/2003CN1128666C Oxidation catalyst and using method thereof
11/25/2003US6653503 Microwave irradiation process for preparing methyl esters
11/25/2003US6653502 Reacting benzyl chlorides with carbon monoxide water or an alcohol in a dipolar aprotic solvent in the presence of a transition metal catalyst of subgroup VIII
11/25/2003US6653485 Particularly effective in Ru-catalyzed asymmetric hydrogenation of beta-ketoesters to beta-hydroxyesters and ruthenium-catalyzed asymmetric hydrogenation of enamides to beta amino acids; catalyst selectivity
11/25/2003US6653258 Pyridinyl-substituted- methyl 3-methoxy-2-phenylacrylate derivatives; agricultural miticides and nematocides
11/25/2003US6652774 Glycerin triester plasticizer
11/25/2003US6651731 Preventing fluids from polymerizing; acrylic acid, methacrylic acid, esters thereof, oxygen, nitrogen, argon, carbon dioxide, propylene, isobutylene, and alcohol;
11/25/2003CA2162895C Preparation of cyclopropane esters
11/20/2003WO2003095511A1 Stereoregular polymer and monomer thereof and process for production of both
11/20/2003WO2003095505A1 Fluorinated polymers
11/20/2003WO2003095413A1 Halogenoacetoxyadamantane derivatives and process for production thereof
11/20/2003WO2003095411A1 Method for the production of acrylic acid and/or the esters thereof and propionic acid and/or the esters thereof in a compound
11/20/2003WO2003095402A1 Method for producing c13-alcohol mixtures
11/20/2003WO2003006570B1 Novel mesogens and methods for their synthesis and use
11/20/2003US20030216596 Process for the purification of pravastatin
11/20/2003US20030216595 Method for producing a fluorinated ester compound
11/20/2003US20030216587 Process for the conversion of aldehydes to esters
11/20/2003CA2690508A1 Stereoregular polymer and monomer thereof and process for production of both
11/19/2003EP1362842A1 Process for producing 2-fluoro-3-oxoalkylcarboxylic acid ester
11/19/2003EP1218330B1 A process for recovery of acid
11/19/2003EP1084095B1 Dewatering process
11/19/2003CN1457272A Rhenium alkylidene catalysts fixed on carrier and used for metathesis of olefins
11/19/2003CN1456054A Methoxy methyl acrylate compounds as bactericidal agent
11/18/2003USRE38324 Process for the preparation of hydroxy substituted gamma butyrolactones
11/18/2003US6649789 From acetic acid, ethylene and oxygen or oxygen-containing gases; catalyst selectivity
11/18/2003US6649787 Method for preparing (meth) acrylic acid ester
11/18/2003US6649786 Ester-forming addition reaction product
11/18/2003US6649028 Column treating process and apparatus thereof
11/13/2003WO2003093396A2 Integrated process for preparing fischer-tropsch products and acetic acid from synthesis gas
11/13/2003WO2003093285A1 Ferrocenyl ligands and method for the production of such ligands
11/13/2003WO2003093215A1 Intergrated chemical processes for industrial utilization of seed oils
11/13/2003WO2003093214A1 Method for producing conjugated linoleic acid glycerides
11/13/2003WO2003093213A1 Method for the production of (alkyl)polyalkyleneglycol(meth)acrylic acid esters using heteropoly acids as catalysts
11/13/2003WO2003093212A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same
11/13/2003WO2003093211A1 Continuous carbonylation process
11/13/2003WO2003055839A8 Process to separate butadiene dimers from alkyl pentenoates
11/13/2003WO2002055486A3 Triazene compounds and use thereof
11/13/2003US20030212295 Continuous carbonylation process
11/13/2003US20030212294 Depolymerization polylactone using catalyst
11/13/2003US20030212293 Method for transferring amino acid into ketone acid(ester)
11/13/2003US20030212284 Stereoisomers or racemic mixture of complex
11/13/2003US20030212067 Bone disorders; rheumatic diseases; wound healing agents
11/13/2003CA2701533A1 Intergrated chemical processes for industrial utilization of seed oils
11/12/2003EP1361210A2 Novel immunotherapeutic agents and their use in the reduction of cytokine levels
11/12/2003EP1361207A1 Process for preparing alkyladamantyl esters and compositions
11/12/2003EP1361206A1 Method for producing carboxylic esters
11/12/2003EP1360222A1 Organopolysiloxanes containing phosphonic groups, methods for the production and use thereof
11/12/2003EP1360166A1 Support for use in catalyst for producing lower aliphatic carboxylic acid ester, catalyst for producing lower aliphatic carboxylic acid ester using the support, process for producing the catalyst, and process for producing lower aliphatic carboxylic acid ester using the catalyst
11/12/2003EP1360005A2 Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
11/12/2003EP1360002A2 Improved metal-ligand complex catalyzed processes
11/12/2003EP1216252B1 Hydroformylation using multidentate phosphite ligands
11/12/2003EP1169290B1 Process to separate linear alkyl 5-formylvalerate
11/12/2003CN1454886A Improved method for preparing methyl-propenoic acid and methyl acrylate
11/12/2003CN1127504C Herbicides of benzoyloxy unsaturated carboxylate type
11/12/2003CN1127480C Colchicine derivative and its treatment use
11/12/2003CN1127474C Photocurable halofluorinated acrylates
11/12/2003CN1127473C Process for preparing alkyl (meth) acrylates
11/12/2003CN1127472C Vinyl acetate process utilizing a palladium-gold-copper catalyst
11/12/2003CN1127464C Polymerizable biaryls, method for the production and use thereof
11/11/2003US6646155 Reacting an alpha-beta-unsaturated carboxylic acid with an alkanol in the presence of an acidic esterification catalyst and in the presence of an entraining agent with which the water of reaction formed during esterifiction is removed
11/11/2003US6646154 Method for carbonylation of lower alkyl alcohols using tungsten promoted group VIII catalyst
11/11/2003US6646152 Method of producing 2-hydroxycarboxylic acid esters
11/11/2003US6646145 Processes for preparing alkoxylated nonionic surfactants using hydrotalcite catalysts
11/11/2003US6646135 Continuous process for the enantioselective hydrogenation of alpha ketocarbonyl compounds
11/11/2003US6645445 Treating with calcium oxide, carbonate or hydroxide to agglomerate titanium oxide, solid-liquid separation
11/11/2003CA2112258C Chiral phospholanes via chiral 1,4-diol cyclic sulfates
11/06/2003WO2003090669A2 Transesterification, esterification, interesterification me thods using dielectric heating
11/06/2003US20030208093 Reacting acetone cyanohydrin and sulfuric acid, oleum and/or mixtures, hydrolyzing to form alpha-sulfatoisobutyramide and alpha-hydroxyisobutyramide, then cracking and optionally esterifying with alcohols
11/06/2003US20030208092 Reacting cyclopropylcarboxaldehyde and ketene in the presence of catalyst to polylactones used as chemical intermediates such as 3-cyclopropylacrylic acid, vinylcyclopropane or cyclopropylacetylene
11/05/2003EP1359137A1 Improved process for methacrylic acid and methacrylic acid ester production
11/05/2003EP1358306A1 Method for transesterification of fats and/or oils by means of alcoholysis
11/05/2003EP1358244A2 Polyols containing carboxyl groups and production thereof
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