Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
04/2000
04/11/2000US6049001 Fluorine-containing carboxylic acid compounds, methods for their production, and chemical processes utilizing the same
04/11/2000US6048998 Reaction of thionyl chloride or bromide in the presence of methanol to form the title compound
04/11/2000US6048916 Cements and water with dispersants of alkoxypolyoxyalkylene glycol (meth)acrylate
04/11/2000US6048441 Isolation of neopentyl glycol hydroxypivalate (NGH)
04/11/2000CA1340955C Stilbene derivatives
04/09/2000CA2285757A1 Process for the preparation of (meth)acrylate esters and polyester (meth)acrylates
04/06/2000WO2000018743A1 Process for the preparation of trimethylolpropane caprylate/caprate
04/06/2000WO2000018718A1 Method for producing 6,6-dialkoxy-5-hydroxy-3-oxo-hexanoic acid esters
04/06/2000WO2000018712A1 Process for preparing 1,3-propanediol from methyl 3-hydroxypropionate
04/06/2000WO2000001671A3 Antihistaminic piperidine derivatives and intermediates for the preparation thereof
04/06/2000WO2000001647A3 Production of organic compounds which are low in fluoride
04/06/2000DE19905104C1 Emulsifiers for preparing paraffin emulsions of high oil content for use e.g. in cosmetic or pharmaceutical formulations or as lubricants, comprising ethoxylated glyceride mixtures
04/06/2000DE19845517A1 Verfahren zur asymmetrische Hydrierung von beta-Ketoestern A process for the asymmetric hydrogenation of beta-ketoesters
04/06/2000CA2345134A1 Process for preparing 6,6-dialkoxy-5-hydroxy-3-oxohexanoic acid esters
04/05/2000EP0990638A1 Process
04/05/2000EP0877728B1 Process for the carbonylation of acetylenically unsaturated compounds
04/05/2000EP0876316B1 Process for the preparation of polyalcohols
04/05/2000EP0839124B1 Process for the continuous carbonylation of olefins
04/05/2000EP0833811B1 A process for the preparation of esters
04/05/2000EP0781265B1 Process for preparing a synthetic ester from a vegetable oil
04/05/2000EP0775102B1 Process for obtaining unsaturated cycloaliphatic ketones
04/05/2000CN1249758A Purification of polyol polyesters using mixing vessel with control of mixing
04/05/2000CN1249757A Reduced calorie cooking and frying oils having improved stability against hydrolysis, and preparation thereof
04/05/2000CN1051026C Vinyl acetate catalyst preparation method
04/04/2000CA2022201C Preparation of alkyl propionates
04/04/2000CA1340948C Peptidylaminodiols
04/04/2000CA1340940C Peptidylaminodiols
03/2000
03/30/2000WO2000017182A1 PROCESS FOR OBTAINING HMG-CoA REDUCTASE INHIBITORS OF HIGH PURITY
03/30/2000WO2000017149A1 Method for depolymerising polymethylmethacrylate
03/30/2000WO2000017138A1 Process for the preparation of fluorobenzyl derivatives
03/30/2000WO2000017132A1 Method for producing olefins
03/30/2000DE19843693A1 Catalyst for vinyl acetate production from ethylene, acetic acid and oxygen contains palladium and other metals on a pyrogenic mixed oxide support based on silicon, aluminum, titanium and/or zirconium oxide
03/30/2000CA2345017A1 Method for producing olefins
03/30/2000CA2343645A1 Process for obtaining hmg-coa reductase inhibitors of high purity
03/29/2000EP0989109A1 Method for production of esterified product and apparatus therefor
03/29/2000EP0989108A2 Method for production of esterified product
03/29/2000EP0988275A1 Vinyl acetate process utilizing a palladium-gold-copper catalyst
03/29/2000EP0988273A1 Polymerization inhibition of acrylates using blends of nitroxides
03/29/2000CN1248573A Process for preparation of ethylene acetate ester
03/29/2000CN1248572A Process for preparation of ethylene acetate ester
03/29/2000CN1248571A Improved process for preparation of ethylene acetate ester
03/28/2000US6043387 Chiral bisphosphines
03/23/2000DE19843012A1 (Hetero)aryl-substituted olefin preparation for use e.g. as polymer or drug intermediate, by Heck reaction using inexpensive catalyst system of divalent palladium compound and nitrogen-containing additive
03/22/2000EP0987239A1 Process for the preparation of alpha-substituted ringsystems
03/22/2000EP0987058A1 Shaped body on basis of silicon dioxide
03/22/2000EP0986529A1 Process for the preparation of 1,3-dicarbonyl compounds
03/22/2000EP0986433A1 Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier
03/22/2000CN1247856A Clean catalytic hydroxy acid esterifying process
03/22/2000CN1050597C Process for synthesizing cyclopropyl carboxylic ester
03/21/2000US6040475 Intermediate compounds for making metabolites of lycopene
03/21/2000US6040474 Integrated process for the production of vinyl acetate and/or acetic acid
03/21/2000US6040473 Process for the preparation of polyglycol(meth)acrylates
03/21/2000US6040472 Catalyst for use in producing carboxylic esters
03/21/2000US6040467 High purity oxygen for ethylene oxide production
03/16/2000WO2000014177A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines
03/16/2000WO2000014096A1 Ferrocene-based diphosphonites for asymmetrical catalysis
03/16/2000WO2000014080A1 Geranic acid derivatives
03/16/2000WO2000014051A1 Esters with musky odor and their use in perfumery
03/16/2000WO2000014047A1 Process for the production of acetic acid
03/16/2000WO2000014034A1 Microwave facilitated allyllic substitution
03/16/2000CA2343022A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines
03/16/2000CA2342238A1 Ferrocene-based diphosphonites for asymmetrical catalysis
03/15/2000EP0985657A1 Improved process for the production of vinyl acetate
03/15/2000EP0985656A1 Process for the production of vinyl acetate
03/15/2000EP0985655A1 Process for the production of vinyl acetate
03/15/2000EP0985654A1 Method for preparing fatty acid esters and fuel comprising fatty acid esters
03/15/2000EP0984919A1 Process for the preparation of arylmalonates
03/15/2000EP0984918A1 Processes for refining butylacrylate
03/15/2000EP0984917A2 Method for producing ester plasticizers
03/15/2000EP0984914A1 Substituted 2-(3-alkenyl-benzoyl)-cyclohexane-1,3-diones
03/15/2000CN1247221A Method for preparing fatty acid ester and fuel containing same
03/14/2000US6037504 Process for producing aliphatic diols
03/14/2000US6037500 Asymmetric synthesis catalyzed by transition metal complexes with cyclic chiral phosphine ligands
03/14/2000US6037489 Method of purifying glyoxylic esters and distillation equipment for purifying glyoxylic esters
03/14/2000US6037482 Process for catalytic addition of nucleophiles to alkynes or allenes
03/14/2000US6037477 Oxidation process of ethers
03/14/2000US6037472 For treating disease-states characterized by excessive activity of matrix metalloproteases such as rheumatoid arthritis, osteoarthritis, periodontal disease, aberrant angiogenesis, tumor invasion and metastasis
03/09/2000WO2000012458A1 Method for preparation of low molecular weight polyethylene glycol-carboxylic acids
03/09/2000WO2000012457A1 Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids
03/09/2000WO2000012449A1 Copper-catalyzed enantioselective allylic substitution reactions
03/09/2000DE19840747A1 Kontinuierliches Verfahren zur Herstellung von ungesättigten Ketonen A continuous process for preparing unsaturated ketones
03/09/2000DE19840279A1 Neue chirale Diphosphonite auf Ferrocenbasis für die asymmetrische Katalyse New chiral ferrocene diphosphonites for asymmetric catalysis
03/09/2000DE19840107A1 Verfahren zur Synthese alpha-substituierter Ringsysteme Method for the synthesis of alpha-substituted ring systems
03/09/2000DE19755023C2 Katalysator und Verfahren zur Herstellung von Vinylacetat Catalyst and process for the production of vinyl acetate
03/09/2000DE19755022C2 Katalysator und Verfahren zur Herstellung von Vinylacetat Catalyst and process for the production of vinyl acetate
03/08/2000EP0983993A1 Process for producing allyl-2-hydroxyisobutyrate
03/08/2000EP0983988A1 Continuous process for the preparation of unsaturated ketones
03/08/2000EP0983224A1 Process for preparing and purifying complex esters
03/08/2000EP0765862B1 Fatty acid ester of etherified polyhydric alcohol
03/08/2000CN1246842A Heterogeneous vapor phase carbonylation process
03/08/2000CN1246471A Process for preparing diethyl alpha-methyl diglycollat
03/08/2000CN1050120C Process for preparation of lower fatty acid ester
03/08/2000CN1050116C Process for synthesizing methanol and formic ether
03/07/2000US6034290 Porous microcomposite of metal cation exchanged perfluorinated ion-exchange polymer and network of metal oxide, silica, or metal oxide and silica
03/07/2000US6034268 Organoleptic
03/07/2000US6034030 Vinyl acetate catalyst preparation method
03/03/2000CA2281227A1 Process for synthesizing .alpha.-substituted ring systems
03/02/2000WO2000011008A1 Asymmetric catalysis based on chiral phospholanes
03/02/2000WO2000010963A1 Substituted cinnamic acids and cinnamic acid esters
03/02/2000CA2340943A1 Asymmetric catalysis based on chiral phospholanes