Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
08/2001
08/30/2001US20010018542 Oxidation using hydrogen peroxide; treating cellulose, textile, paper
08/30/2001US20010018541 Esterification in presence of steric hindered phenol
08/30/2001US20010018540 Carbonylation of a haloacetic ester
08/30/2001US20010018539 Antiallergens, antiinflammatory agents, antitumor agents
08/30/2001US20010018443 Antiproliferative substituted 5-thiapyrimidinone and 5-selenopyrimidinone compounds
08/30/2001US20010018401 Support for the manufacture of vinyl acetate catalyst comprising inert microspheroidal particles of given pore volume, surface area and particle size; production of vinyl acetate from gas phase ethylene, acetic acid and oxygen
08/30/2001DE10008509A1 Esterification of unsaturated carboxylic acids with unsaturated alcohols is carried out in the presence of sterically hindered phenols and partially esterified phosphoric acids.
08/29/2001EP1127886A1 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-2H-pyran-2one
08/29/2001EP1127870A1 Novel monomers, polymers, methods of synthesis thereof and photoresist compositions
08/29/2001EP1127868A1 Process for the preparation of malonic acid diesters in a reactor with an internal heat exchanger
08/29/2001EP1127867A1 Method for producing a monochloroester having polyfluoroalkyl group
08/29/2001EP1127866A1 Process for the esterification of unsaturated carboxylic acids from unsaturated alcohols avoiding blackening and precipitation
08/29/2001EP1127061A1 Chiral ligands for asymmetric catalysis
08/29/2001EP1127042A1 Method for preparing acetic acid and/or methyl acetate in the presence of iridium and platinum
08/29/2001EP1002021B1 Dispersing agents and dispersions made therefrom
08/29/2001EP0906265B1 Chemical process
08/29/2001EP0874798B1 Method for modifying catalyst performance during the gas phase synthesis of vinyl acetate
08/29/2001EP0871605B1 Process for preparing acetoxystyrene
08/29/2001CN2444948Y High efficient esterification reactor
08/29/2001CN1310641A Vinyl acetate catalyst comprising metallic palladium and gold, and cupric acetate
08/29/2001CN1310167A 2-alkyl-2-adamantane radical 5-norbornene-2-carboxylic ether and its producing process
08/29/2001CN1310166A 8-alkyl-8-tricyclic decyl 5-norborene-2-carboxylic acid ester and its producing process
08/29/2001CN1310165A 8-alkyl-8-tricyclic decyl (methyl) propenoic acid ester and its producing process
08/29/2001CN1070169C Process for carbonylation of butadiene or its derivative
08/29/2001CN1070167C Process for producing carboxylic acid or corresponding esters in the presence of soluble catalyst of iridium and iodide
08/28/2001USRE37344 For forming complexes with iridium or rhodium which are used for enantioselective hydrogenation catalysts for homogeneous hydrogenation of prochiral unsaturated compounds
08/28/2001US6281397 Contacting olefinically unsaturated substrate wtih hydrogen; presence of a catalyst system comprising the reaction product between complex of transition metal and organometallic magnesium compound
08/28/2001US6281394 Adding water to organic reaction mixture comprising formic esters of vicinal diols or polyols, without addition of bases; hydrolyzing formic esters in subsequent thermal treatment, removing aqueous formic acid, and recovering diol or polyol
08/28/2001US6281382 Oxidation catalysts
08/28/2001US6281378 Vanadium-containing catalysts, process for manufacturing and use of the same
08/28/2001US6281372 Process for synthesis of vinyl esters from butene oligomers
08/28/2001US6280746 For use in personal care, cosmetic, cosmaceutical and pharmaceutical products
08/24/2001CA2337619A1 Process for the esterification of unsaturated carboxylic acids with unsaturated alcohols with avoidance of blackening and precipitation
08/23/2001WO2001060780A1 Process for producing fumaric ester
08/23/2001WO2001060779A1 METHOD FOR PRODUCING ESTERS OF α,β-UNSATURATED CARBOXYLIC ACIDS
08/23/2001US20010016666 Acetylating in a single step an aliphatic, acyclic, cyclic, heterocyclic, alpha,beta-unsaturated and aromatic alcohols with acetic acid using reusable natural montmorillonite/ metal ion exchanged clay catalyst in an organic solvent
08/23/2001US20010016664 New phenolic compounds derived from dialkoxyethanals, their preparation process and their application
08/23/2001DE10007213A1 Verfahren zur Herstellung von Estern alpha,beta-ungesättigter Carbonsäuren A process for preparing esters of alpha, beta-unsaturated carboxylic acids
08/22/2001EP1126011A2 Process for producing fatty acid esters and fuels comprising fatty acid ester
08/22/2001EP1125919A2 Stabilized hydroxyalkyl(meth)acrylate
08/22/2001EP1125918A1 Tricyclodecanyl esters and their preparation
08/22/2001EP1125917A1 Alkyladamantyl esters and their preparation
08/22/2001EP1125914A1 Process for separating and purifying eicosapentaenoic acid or its ester
08/22/2001EP1125908A1 New phenolic compounds derived from dialkoxyethanals, their preparation process and their application
08/22/2001EP1124833A1 Diphosphines
08/22/2001EP1124808A1 An improved process for the preparation of new antidiabetic agents
08/22/2001EP1124786A1 Process for the preparation and uses of derivatives of esters of alpha-methylene- beta-hydroxy acids
08/22/2001EP1124785A1 A process for the preparation of alpha-arylalkanoic acids
08/22/2001EP1124784A1 A process for making n-butyl esters from butadiene
08/22/2001EP1027343A4 Process for the preparation of hydroxy substituted gamma butyrolactones
08/22/2001EP0979248B1 Purification of by-product stream in preparation of polytrimethylene terephthalate
08/22/2001EP0923521B1 Olefin hydroformylation process in a two-phase system
08/22/2001CN1309630A Ester synthesis
08/22/2001CN1309629A Ester synthesis
08/22/2001CN1069905C Continuous transesterification method for preparing polyol polyesters
08/22/2001CN1069901C N-benzyldioxothiazolidylbenzamide derivs. and process for producing same
08/22/2001CN1069894C Process for synthesizing methyl acrylate
08/22/2001CN1069893C Method for preparing methyl (and ethyl) methacrylate
08/22/2001CN1069892C Process for synthesizing isopropyl salicylate
08/22/2001CN1069891C Preparation of pentenoic acid
08/21/2001US6278031 Catalyst and process for preparing 2-buten-1-ol compounds
08/21/2001US6278019 Reacting alkyl group substituted aromatic compound and a carboxylic acid and/or a carboxylic anhydride in presence of oxygen containing gas and solid catalyst selected from coablt, cerium and manganese supported on solid support
08/21/2001US6278016 Methods for conversion of isoprene to prenyl alcohol and related compounds
08/21/2001US6278015 Process for trifluoroacetate esters and thioesters
08/21/2001US6278014 Synthetic procedure for the manufacture of aspirin
08/21/2001US6278008 Fatty acid esters composition of a polyglycerine, and uses thereof
08/21/2001CA2064444C Catalysts and processes for the manufacture of vinyl acetate
08/16/2001WO2001058982A1 Continuous process for producing bis(3-hydroxypropyl) terephthalate
08/16/2001WO2001058836A1 Process for producing aryl ether
08/16/2001WO2001058833A1 Method for functionalising a double bond
08/16/2001WO2001058588A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/16/2001US20010014755 Method for producing 2,2-dimethyl-3-(1-propenyl)cyclopropanecarboxylate ester
08/16/2001US20010014751 High yields of ethylene (co)polymers of low molecular weights without hydrogen molecular weight regulators; narrow molecular weight distribution
08/16/2001EP1123915A1 Process for producing alpha, beta-unsaturated carboxylic acid esters and catalyst for use in such process
08/16/2001EP0946489B1 Process for preparing fatty acid polyethylene glycol esters
08/16/2001EP0891321B1 Process for the carbonylation of acetylenically unsaturated compounds
08/16/2001EP0847380B1 Mixture of esters and use thereof
08/16/2001DE10003986A1 Kontinuierliche Verfahren zur ein- oder zweifachen C-Alkylierung von Malonsäurendiestern Continuous process for single or double C-alkylation of Malonsäurendiestern
08/16/2001CA2400183A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/16/2001CA2397834A1 Method for functionalising a double bond
08/15/2001CN1308611A Antihistaminic piperidine derivatives and intermediates for the preparation thereof
08/15/2001CN1308077A Preparation process of exterified chroman compound
08/15/2001CN1308066A Preparation of chiral succinic acid derivative
08/15/2001CN1308059A Colchicine derivative and is treatment use
08/15/2001CN1308053A Tricyclo carboxylic ester, its preparation and perfume containing the said compound
08/15/2001CN1308052A Preparation process of dimethyl hexahydrophthalate
08/15/2001CN1069693C Process for purifying alkoxylated fats
08/14/2001US6274773 Reacting an alkyl-3-pentenoate with carbon monoxide and hydrogen by hydroformylation using a catalyst system comprising rhodium or iridium and a multidentate organic phosphite ligand
08/14/2001US6274750 Dimer and trimer acid esters from epoxidized compounds and methods for their preparation
08/14/2001US6274749 Esterification catalysts
08/14/2001US6274743 Process for the preparation of butanediol, butyrolactone and tetrahydrofuran
08/14/2001US6274531 Esterification of ethylene, oxygen, and acetic acid with reduced carbon dioxide selectivity
08/14/2001CA2043615C Method of producing eicosapentaenoic acid or the ester derivative thereof
08/14/2001CA2027769C Process for the isolation of vinyl acetate
08/14/2001CA2012227C Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
08/09/2001WO2001057014A2 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
08/09/2001WO2001056970A1 PROCESS FOR PRODUCTION OF HIGH-PURITY BIS-β-HYDROXYETHYL TEREPHTHALATE
08/09/2001WO2001056969A1 Method for producing sorbic acid and sorbic acid esters or derivatives thereof
08/09/2001WO2001056963A1 High-purity 1,3-butylene glycol, process for producing 1,3-butylene glycol, and process for producing by-product butanol and butyl acetate
08/09/2001WO2001021565A3 Process for producing 3-bromobenzoyl halides