Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
08/1996
08/11/1996CA2169043A1 Process for the preparation of fluorocyclopropane derivatives
08/07/1996EP0725055A1 Process for the preparation of 5-oxo-6-heptenoic acid alkyl esters as well as intermediates for their preparation
08/07/1996EP0725049A1 Process for preparing aromatic olefins by palladacycle catalysis
08/07/1996EP0724908A1 Noble metal raney catalysts and preparation of hydrogenated compounds using such catalysts
08/07/1996EP0724559A1 Process for separating cyclohexane dimethanol from dimethyl terephthalate
08/07/1996EP0724558A1 Process for the carbonylation of acetylenically unsaturated compounds
08/07/1996EP0724557A1 A process for separating lipophilic compounds
08/06/1996US5543560 Hydrogenolytic reduction of peroxidic ozonolysis products
08/06/1996US5543559 Using a rhodium catalyst having an optically active piphosphine ligand
08/06/1996US5543558 Method for producing unsaturated organics from organic-containing feeds
08/06/1996US5542372 Process for purification of DMT by film crystallization
08/06/1996CA2072801C Esterification process
08/01/1996WO1996022960A1 Process for producing 2,2-dihydroxyacetic acid menthyl ester
07/1996
07/31/1996EP0723951A1 Process to prepare bis (2-hydroxyethyl) terephthalate
07/31/1996EP0723810A1 Catalyst, his preparation process and use thereof to produce vinyl acetate monomer
07/31/1996CN1127745A Method for preparing alkyl acrylate (or methylacrylate)
07/31/1996CN1127741A Asymmetrical hydrogenation of ketoisophorone derivatives
07/30/1996CA1338493C Bicyclic aromatic derivatives; process for preparing the same and their use in cosmetics
07/25/1996WO1996022318A1 Process for polymerization of polyester oligomers
07/25/1996WO1996022268A1 Organic compounds and processes for their manufacture
07/25/1996WO1996022267A1 Method for olefin hydroformylation in a biphasic medium
07/25/1996DE19547459A1 Esterifying (meth)acrylic acid with alkanol in presence of esterification catalyst
07/25/1996CA2210473A1 Method for olefin hydroformylation in a biphasic medium
07/25/1996CA2209494A1 Organic compounds and processes for their manufacture
07/24/1996EP0722929A1 Process for producing methyl methacrylate
07/24/1996EP0722432A1 Method for preparing of mono or di-2-substituted cyclopentanone
07/24/1996CN1127501A Process for the carbonylation of acetylenically unsaturated compounds
07/24/1996CN1127245A Catalytic systems and methods for carbonylation
07/24/1996CN1032351C Process for selctive preparation of alkenecarboxylic deirvatives
07/23/1996US5538940 Fungicide, miticide, insecticide
07/23/1996CA2052065C Process for preparing hexendioate diesters from 1,2-dialkoxybut-3-ene
07/21/1996CA2167550A1 Fungicidal methods, compounds and compositions containing benzophenones
07/18/1996WO1996021638A1 Novel compounds
07/18/1996DE19500798A1 3-alkoxy- and 3-acyloxy-2-hydroxy:propane-1-sulphonic acid catalysts
07/17/1996EP0721932A1 Process for purifying alpha, beta-unsaturated esters
07/17/1996EP0721931A1 Process for producing 2,6-naphtalenedicarboxylic acid and ester thereof
07/17/1996EP0721928A2 Method for the preparation of aliphatic alpha, omega-diols
07/17/1996EP0721442A1 Oxidation of alkylaromatic compounds
07/16/1996US5536873 Preparation of pentenoic acid
07/16/1996US5536872 Michael addition of dialkyl malonate with alkyl acrylate and basic catalyst
07/16/1996US5536870 Process for preparing olefins
07/16/1996US5536865 Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
07/16/1996US5536856 Production of carboxylic acid ester by esterification and apparatus thereof
07/16/1996US5536693 Process for the preparation of vinyl acetate catalyst
07/16/1996US5536445 Surfactant and dispersible or emulsifiable compositions employing surfactant
07/12/1996CA2155391A1 Process for purifying alpha, beta - unsaturated esters
07/10/1996EP0720978A1 Process to open the epoxyde function of (meth)acrylic epoxydes
07/10/1996CN1126197A Removal of carbonyl impurities from alpha, beta-unsaturated carboxylic acids
07/09/1996US5534652 Preparation of plasticizer esters from phthalic anhydride residue
07/09/1996US5534629 α-aminoacetophenones as photoinitiators
07/04/1996WO1996020234A1 Epoxide ring opening process
07/04/1996DE4446877A1 Verfahren zur Ringöffnung von Epoxiden A process for the ring opening of epoxides
07/03/1996EP0719758A1 Process for the production of aromatic olefines
07/03/1996EP0719749A2 Process for separating optical isomers in a simulated moving bed system
07/03/1996EP0719246A1 Synthesis of vinyl esters
07/03/1996EP0597107B1 Lignan analog, production thereof, and hypolipidemic drug
07/03/1996CN1125714A Process for preparing new derivatives of 2,2-dinethyl cyclopropane carboxylic acid
07/03/1996CN1125713A Process for the manufacture of biacetyl-free methyl methacrylate
07/02/1996US5532421 Nitric acid as selective catalyst
07/02/1996US5532411 Reacting a carboxylic anhydride with a nitrogen compound
07/02/1996US5532405 Preparation of plasticizer or polyol esters by the staged addition of the lower boiling point reactant
07/02/1996US5532404 Monomer recovery process for contaminated polymers
07/02/1996US5532395 Hydrogenation catalysts )
07/02/1996US5532393 Process of preparing wax ester
07/02/1996US5532386 Catalytic carbonic ester and a tertiary amine
07/02/1996CA1338433C Preparation of ó-arylalkanoic acids
06/1996
06/27/1996WO1996019436A1 Process for preparation of cinnamate sunscreen agents
06/27/1996WO1996019434A1 Process for the carbonylation of ethylene and catalyst system for use therein
06/27/1996WO1996019433A1 Process for preparing acetoxystyrene
06/27/1996WO1996019427A1 Carbonylation of olefins
06/27/1996WO1996019288A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization
06/27/1996WO1996019287A1 Aluminosilicate carrier for metathesis catalysts
06/27/1996DE4446347A1 Aryl-methylidene acyl-acetic or malonic ester prepn.
06/27/1996DE4446009A1 Aromatic aldehyde prepn. by simple selective gas phase hydrogenation
06/27/1996CA2208002A1 Carbonylation of olefins
06/27/1996CA2202756A1 Process for preparation of cinnamate sunscreen agents
06/26/1996EP0718285A2 Restricted 9-cis-retinoids
06/26/1996EP0718279A1 Process for the preparation of o-substituted benzoylcyanides
06/26/1996EP0718273A1 Ethyl 6-formyl-4-hexenoate
06/26/1996EP0718272A1 Process for the preparation of derivatives of trialkyle esters
06/26/1996EP0718271A1 Process for the preparation of isobornyle (meth)acrylate
06/26/1996EP0718265A2 Method for producing an alcohol
06/26/1996CN1125219A Process for the manufacture of butyl acrylate by direct esterification
06/26/1996CN1032134C Process for preparing 2,2-dimethyl-5-(2,5-dimethyl phenoxy) pentanoic acid
06/25/1996US5530145 Anticholesterol agents
06/25/1996US5530143 Reduction of (3s)-3-hydroxyoctanedioic diester with complex hydride
06/25/1996US5530022 Insecticides
06/23/1996CA2165718A1 Process for preparing isobornyl (meth)acrylate
06/20/1996CA2165374A1 Restricted 9-cis-retenoids
06/19/1996EP0717031A1 Process for recovering the light noble products contained in the distillation residues from the processes of production of acrylic acid and its esters
06/19/1996EP0717030A1 Recovery of ester monomers from polyester resins
06/19/1996EP0717021A1 Method for working up a surfactant-containing reaction mixture
06/19/1996EP0716712A1 Lipase-catalysed acylation of alcohols with diketenes
06/19/1996EP0576673B1 Bicyclo 4.1.0]heptane-2,4-dione derivative, intermediate for the synthesis thereof, and production thereof
06/19/1996CN1124982A Chiral synthesis of tertiary alcohols with a hydrolase
06/19/1996CN1124955A Preparation of cyclopropane esters
06/19/1996CN1124954A The Preparation of mixtures of (R)-and (S)-2-(4-alkanoylphenoxy)- or (R)- and (S)-2-(4-aroylphenoxy)propionic esters
06/19/1996CN1124737A Method for production of t-butyl 3-oxobutyrates and their use
06/19/1996CN1124729A Tetrabromo-phthalate series compound and synthesizing process
06/18/1996US5527954 Process for the production of 2-fluoroisobutyric acid or its ester