C07C 67 - Preparation of carboxylic acid esters

Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1993
12/08/1993	EP0573032A2 Process for preparing dimethyl 2,6-naphtalenedicarboxylate
12/08/1993	EP0572517A1 Catalytic process for converting hydrocarbonaceous feeds, particularly lower alkanes to esters, alcohols, and optionally to hydrocarbons
12/08/1993	EP0460111B1 Preparation of 4-substituted aryl olefins
12/08/1993	CN1079104A Process for preparation of phenyloxyphenyl thiocarbamide, phenyloxyphenylisthiocarbamide and phenyloxyphenylcarbodiimide
12/08/1993	CN1023005C Method for producing methyl acrylate and ethyl acrylate
12/08/1993	CN1022990C Process for preparing calcium based catalysts used for alkoxylation process
12/08/1993	CN1022989C Oligomerization catalyst for producing alpha-olefins
12/07/1993	US5268514 Hydroformylation of butene
12/07/1993	US5268503 Catalytic reaction of a,b-unsaturated carboxylic acid (or amide) with an aliphatic alcohol
12/07/1993	US5268501 Process for preparing haloketo acid derivatives
12/07/1993	US5268489 Production of unsaturated cycloaliphatic esters and derivatives thereof
12/07/1993	CA1325018C Process for the preparation of benzoic acid derivatives
12/07/1993	CA1325015C Recovery process
12/07/1993	CA1325013C Cyclopropanecarboxylate esters related to pyrethric acid; process for preparing the same and their use for the control of parasites
12/07/1993	CA1325012C Process for preparing perfluoroethers by fluorination with elemental fluorine
12/07/1993	CA1324874C Process for the preparation and the isolation of aromatic nitriles
12/02/1993	DE4218051A1 Branched-chain unsatd. fatty materials useful as lubricant additives - prepd. by reacting unsatd. fatty material with nitrile and/or acetylenic cpd. in presence of tin halide
12/02/1993	DE4218015A1 Prodn. of aryl-substd. fatty materials - by reacting unsatd. fatty material with aromatic cpd. in presence of transition metal or tin salt
12/01/1993	EP0572209A2 Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
12/01/1993	EP0571851A1 Process for the preparation of terminal nitrogen-heterocyclic substituted acrylic- and methacrylicacid alkylesters
12/01/1993	EP0571770A1 Method for producing an asymmetric biaryl derivative
11/1993
11/30/1993	US5266721 Process for preparing the pure enantiomers of lifibrol and its alkyl esters
11/30/1993	US5266714 Process for the production of reaction mixtures containing ester polyols
11/30/1993	US5266344 Method for making tetrahydrocurcumin and a substance containing the antioxidative substance tetrahydrocurcumin
11/30/1993	CA1324781C Purification of alkyl glyoxylate in a continuous column by azeotropic distillation
11/30/1993	CA1324756C Butylated hydroxyanisoles for the treatment of retro-viral diseases, as retro-virus infectivity modifying agents and as anti-infective products
11/27/1993	CA2096153A1 Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
11/25/1993	WO1993023465A1 Improved poly ethylene terephthalate decontamination
11/25/1993	WO1993023163A1 Acid catalysts
11/24/1993	EP0571044A1 Recovery of carboxylate ester reaction products
11/24/1993	EP0570844A1 Multitube falling-film reactor
11/24/1993	EP0415982B1 Method of preparing aromatic ethers from iodoaromatic compounds
11/23/1993	US5264619 Anti-androgenic cyclo and bicyclo alkenes
11/23/1993	US5264617 Preparation of alkyl esters by depolymerization
11/23/1993	US5264616 Preparation of ω-formylalkanecarboxylic esters
11/23/1993	US5264612 Process for the preparation of aryl-substituted propionic acid esters
11/23/1993	US5264611 Reacting an arylmethyl ketone with alkyl acetal of alkyl glyoxylate in presence of acid catalyst with heating
11/23/1993	US5264609 Preparation of propenoic acid derivatives
11/23/1993	US5264600 Process for the recovery of rhodium from residues of the distillation of products of the oxo synthesis
11/23/1993	US5264460 Process for preparing nonionic surfactants
11/23/1993	CA1324612C Preparation of 4-pentenoates by isomerization
11/21/1993	CA2096478A1 Recovery of carboxylate ester reaction products
11/18/1993	EP0569624A1 Catalysts and processes for the manufacture of vinyl acetate
11/18/1993	DE4215558A1 Saure Katalysatoren Acid catalysts
11/17/1993	CN1022759C Raolical polymerizable composition
11/16/1993	US5262562 Catalyst is fluorosulfonic acid treated montmorillonite
11/16/1993	US5262561 Process for preparing (E)-2-propyl-2-pentenoic acid and intermediate compounds
11/16/1993	US5262560 Process for preparing purified dimethyl naphthalenedicarboxylate
11/16/1993	US5262547 Vapor phase reaction of a hydrocarbon with oxygen
11/16/1993	US5262511 Branched aromatic carbonate polymer
11/16/1993	US5262014 Extractive distillation
11/16/1993	CA1324395C Process for producing 1,1-dichloro-1,2,2,2- tetrafluorethane
11/16/1993	CA1324389C Process for preparing chf_ochfcf_ and chf_ochc1cf_ and novel intermediate compounds employed therein
11/16/1993	CA1324387C Process for the production of 4-chloro-3-alkoxy-but-2e-enoic acid alkyl esters
11/16/1993	CA1324379C Quaternary ammonium or phosphonium peroxycarbonic acid precursors and their use in detergent bleach compositions
11/10/1993	CN1078232A Process for producing halogenophennoxyfatty acid derivatives by selective halogenation and halogenophenoxyfatty acid derivatives
11/10/1993	CN1078230A Carbonylation process using palladium phosphine catalyst
11/09/1993	US5260475 Esterification of hydroxybenzoic acids
11/09/1993	US5260461 Ligands for ADH: cinchona alkaloids and moderately sized organic substituents linked through a planar aromatic spacer group
11/09/1993	US5260335 Pharmaceutical preparations for the treatment of inflammatory diseases
11/09/1993	CA1324142C Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments
11/09/1993	CA1324135C Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof
11/09/1993	CA1324129C Prostaglandins of the f series
11/09/1993	CA1324103C Purification of alkyl glyoxylate
11/04/1993	DE4214028A1 Prodn. of aliphatic and cycloaliphatic beta-keto-ester cpds. - from ketone and di:alkyl carbonate using molar excess of alkali alkylate without costly solvent, useful as intermediate e.g. for herbicide
11/03/1993	CN1022624C Production of carboxylic acids and esters thereof
11/03/1993	CN1022622C Adsorptive separation of paraxylene using diethyltoluene desorbent
11/03/1993	CN1022621C Adsorptive separation of para-xylene using 1,2,3,4-tetralin desorbent
11/02/1993	US5258553 Hydrogenation catalyst complexes
11/02/1993	US5258549 Process for preparing carboxylic acids
11/02/1993	US5258547 Process for preparing halogenated compounds
11/02/1993	US5258404 3-(Unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivatives, method for preparation fungicides, and use thereof as intermediate compounds
11/02/1993	US5258138 Phenothiazine and a 2,2,6,6-tetraalkyl piperazin-4-yl derivative to prevent addition polymerization of a mixture of acrylic monomers including an hydroxyalkyl acrylic ester; colorless
11/02/1993	US5258102 Separation of heptane from vinyl acetate by azeotropic distillation
11/02/1993	CA1323881C Alkylation of aromatic hydrocarbons in a fixed bed catalytic process
11/02/1993	CA1323880C Process for the preparation of tertiary n,n- dimethylamines
11/02/1993	CA1323879C Melt processable optically anisotropic polymers
10/1993
10/27/1993	EP0566643A1 Process for preparing halogenated compounds.
10/27/1993	EP0271552B1 Derivatives of all-trans- and 13-cis retinoic acid and methods for preparing same
10/27/1993	CN1077747A Antifoaming agent for fermentation, l-amino acid-producing medium and production process of l-amino acids
10/27/1993	CN1022541C Lower hydrocarbon conversion catalyst composition contg. Si-Al-Ti promoter
10/26/1993	US5256259 Separation of hexane from vinyl acetate by azeotropic distillation
10/26/1993	US5256163 Flow liquid-phase chemical reaction process
10/26/1993	CA1323724C Liquid crystalline polyesters
10/26/1993	CA1323636C Process for the preparation of hydrocarbons
10/26/1993	CA1323633C Diaminoindane derivatives and process for the preparation thereof
10/26/1993	CA1323631C Process for the preparation of meso 2,5-dihaloadipates
10/26/1993	CA1323484C Preparation of tc-99m radiopharmaceuticals
10/20/1993	EP0566372A2 Process for preparing ethylidene diacetate using iodide catalysts
10/20/1993	EP0566371A2 Process for converting dimethyl ether to ethylidene diacetate
10/20/1993	EP0566370A2 Integrated process for synthesizing oxygenated acetyl compounds from synthesis gas via dimethyl ether
10/20/1993	EP0566047A2 Process for producing carboxylic acid ester
10/20/1993	EP0565952A1 Supported catalyst, preparation process thereof and use thereof for preparing vinyl acetate
10/20/1993	CN1077447A Decyl alkohal mixture and phthalate prepared thereby and their use as pasticizer
10/20/1993	CN1022490C Liquid crystal mixture
10/20/1993	CN1022482C Porcess for the optical resolution of -cis or-trans-permethric acid
10/20/1993	CN1022455C Herbicide composition
10/19/1993	US5254732 Stable electrophilic fluorinating agents
10/19/1993	US5254723 Depolymerization; esterification
10/19/1993	US5254722 Process for the production of triglycerides

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