Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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03/02/2000 | CA2340738A1 Substituted cinnamic acids and cinnamic acid esters |
03/01/2000 | EP0982299A1 Tetraalkylfluoroformamidinium trifluoroacetate and its use as trifluoroacetoxylation agent |
03/01/2000 | EP0982286A2 Diene compounds and process for preparing the same |
03/01/2000 | EP0944575A4 Esterification of fermentation-derived acids via pervaporation |
03/01/2000 | CN1246142A Purifying polyunsaturated fatty acid glycerides |
03/01/2000 | CN1246122A Purification of polyol fatty acid polyesters using mixing vessel with controlled mixing |
03/01/2000 | CN1246106A Functionalized oligomer mixture derived from cyclopentene, method for production and use thereof |
03/01/2000 | CN1245796A Tetraalkylfluoroformamidine trifluoroacetate and its preparation method |
03/01/2000 | CN1245794A Production method of ethyl acetate by means of condensation of acetaldehyde |
03/01/2000 | CN1049889C Process for coproducing methyl dichloroacetate and mercaptoacetic acid |
02/29/2000 | US6031126 Rearranging a hydrazobenzene compound to form a diaminodiphenyl compound, diazotising, catalytic reacting with a styryl compound to form a distyryl-biphenyl fluorescent whitening agent |
02/29/2000 | US6031125 Catalytic esterification of a hydroxy aldehyde in presence of the magnesium salt of an alkanoic acid, or mixtures of such acids, in liquid solution, in the absence of solid magnesium or magnesium oxide |
02/29/2000 | US6031103 Process for manufacturing 1-[3-cyclopentyl -2(R)-[1(R)-hydroxycarbamoyl)-2-(3, 4, 4-trimethyl -2, 5-D ioxo-1-imidazolidinyl) ethyl] propionyl] piperidine |
02/29/2000 | US6030993 2-hydroxypropionic acid derivative and its manufacturing method |
02/29/2000 | US6030990 N-benzyldioxothiazolidylbenzamide derivatives and process for producing the same |
02/29/2000 | US6030505 Process for the continuous preparation of pure 5-formyl valeric acid esters |
02/24/2000 | WO2000009469A1 Method for producing atropic acid ethyl ester |
02/24/2000 | WO2000009463A1 Stereoselective ring opening reactions |
02/24/2000 | DE19836788A1 Recovery of pure, water-insoluble alpha,beta-ethylenically unsaturated carboxylic acid esters is carried out in a single step by means of an aqueous base. |
02/24/2000 | CA2339618A1 Stereoselective ring opening reactions |
02/23/2000 | EP0980437A1 HMG-CoA REDUCTASE INHIBITOR PREPARATION PROCESS |
02/23/2000 | EP0980350A2 Hydroxynaphthoic acids and derivatives |
02/23/2000 | EP0980349A1 Conjugated linolenic acid-based synthetic triglycerides |
02/22/2000 | US6028215 Process for preparing esters of carboxylic acids |
02/22/2000 | US6028211 Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials |
02/22/2000 | CA1340902C Amino acid derivative anticonvulsant |
02/17/2000 | WO2000008011A1 Process for the preparation of optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivatives |
02/17/2000 | WO2000007973A1 Method for producing sorbic acid and sorbic acid esters or derivatives thereof |
02/17/2000 | WO2000007966A1 Transition metal complexes as linkers |
02/17/2000 | WO2000007727A1 Method for producing supported catalysts and their use for producing vinyl acetate monomer |
02/17/2000 | DE19836222A1 Pure ethyl atropate preparation from pure ethyl phenyl-acetate and paraformaldehyde in N-methylpyrrolidone or dimethyl formamide, used as intermediates for drugs, especially tilidine |
02/17/2000 | DE19835783A1 Verfahren zur Herstellung von Sorbinsäure und Sorbinsäureestern oder deren Derivaten A process for producing sorbic acid and sorbic acid esters or derivatives thereof |
02/17/2000 | CA2339736A1 Method for producing sorbic acid and sorbic acid esters or derivatives thereof |
02/17/2000 | CA2338961A1 Process for producing supported catalysts and their use for preparing vinyl acetate monomer |
02/16/2000 | EP0979806A1 Process for selective enrichment and separation of aroma molecules by adsorption |
02/16/2000 | EP0979248A1 Purification of by-product stream in preparation of polytrimethylene terephthalate |
02/16/2000 | EP0979220A1 SINGLE-STAGE METHOD FOR PRODUCING $g(a)-HYDROXY ETHERS BY OXIDIZING C=C-UNSATURATED COMPOUNDS WITH HYDROPEROXIDES |
02/16/2000 | EP0825977B1 Carboxylic acid derivative preparation process |
02/16/2000 | EP0784605B1 Selective process for the deacylation of acylated compounds |
02/16/2000 | CN1244855A Polymerizable biaryls, method for the production and use thereof |
02/16/2000 | CN1244520A Synthesis of isotridecyl fatty ester |
02/16/2000 | CN1244445A Moulded material based on silicon dioxide |
02/16/2000 | CN1049425C Preparation of tricetate glyceride |
02/15/2000 | US6025521 Telomerization process for telomerizing ethylenic monomer compounds |
02/15/2000 | US6025520 Method for preparing (meth)acrylic acid ester |
02/15/2000 | US6025519 Process for preparing cyclobutane-1,2-dicarboxylic esters |
02/15/2000 | US6025503 Process for producing optically active titanium alkoxide complexes |
02/15/2000 | US6025295 Supported catalysts |
02/15/2000 | CA2164912C Process for recovering the light noble products present in the distillation residues of processes used to prepare acrylic acid and its esters |
02/11/2000 | CA2280221A1 Process for the production of vinyl acetate |
02/10/2000 | WO2000006532A2 Process for the preparation of r-(-)-carnitine |
02/10/2000 | WO2000006530A1 A process for producing terephthalic acid and/or dimethyl terephthalate |
02/10/2000 | DE19835657A1 Recovery of monomers from polyesters involves depolymerization in a monovalent alcohol |
02/10/2000 | DE19835542A1 Verfahren zur selektiven Anreicherung und Trennung aromawirksamer Moleküle durch Adsorption Process for the selective enrichment and separation aroma active molecules by adsorption |
02/10/2000 | DE19835358A1 Synthese von o-(p-Tolyl)benzoesäure-tert.-butylester durch Umsetzung von o-(p-Tolyl)benzoesäure mit Isobutylen unter Säurekatalyse Synthesis of o- (p-tolyl) benzoic acid tert-butyl ester by reaction of o- (p-tolyl) benzoic acid with isobutylene under acid catalysis |
02/10/2000 | CA2338656A1 A process for producing terephthalic acid and/or dimethyl terephthalate |
02/09/2000 | EP0978503A1 Synthesis of t-butyl o-(p-tolyl)benzoate by reaction of o-(p-tolyl)benzoic acid with isobutene using acid catalysis |
02/09/2000 | EP0978502A1 Process for the transesterification of alpha-ketocarboxylic acids |
02/09/2000 | EP0977822A1 Method for producing polymerizable liquid crystal compounds |
02/09/2000 | EP0977628A1 Carbonylation catalyst system |
02/09/2000 | CN1244189A Process for the esterification of (meth) acrylic acid with an alkanol |
02/09/2000 | CN1244188A Production of fatty acid methyl esters and soap therefrom |
02/09/2000 | CN1243821A Compounds containing fluorine carboxylic acid, their production and chemical uses |
02/08/2000 | US6022990 Directly from acetylene and methyl formate in the presence of a specific catalyst system |
02/08/2000 | US6022823 Process for the production of supported palladium-gold catalysts |
02/08/2000 | US6022822 Organotin compound and catalyst for transesterification comprising the same |
02/08/2000 | CA2202546C Transesterification reaction of alkoxylated bisphenol-a and methyl methacrylate |
02/07/2000 | CA2279783A1 Process for transesterifying .alpha.-ketocarboxylic esters |
02/06/2000 | CA2279755A1 Method for the selective concentration and separation of aroma molecules by adsorption |
02/03/2000 | WO2000005402A1 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
02/03/2000 | WO2000005401A1 Continuous process for preparing optically pure (s)-3-hydroxy-gama-butyrolactone |
02/03/2000 | WO2000005400A1 Process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
02/03/2000 | WO2000005399A1 Process for preparing optically pure (s)-3-hydroxy-gama-butyrolactone |
02/03/2000 | WO2000005398A1 Process for preparing alpha-(1,4) linked oligosaccharide |
02/03/2000 | WO2000005317A1 Dimer and trimer esters from epoxidized compounds |
02/03/2000 | WO2000005185A1 Method of microwave bond cleavage of a hydrocarbon compound in a liquid phase |
02/03/2000 | DE19834569A1 Verfahren zur Herstellung von Trägerkatalysatoren sowie deren Verwendung für die Herstellung von Vinylacetatmonomer A process for the preparation of supported catalysts and to their use for the production of vinyl acetate monomer |
02/03/2000 | DE19834360A1 Verfahren zur Herstellung von Estern der (Meth)acrylsäure A process for the preparation of esters of (meth) acrylic acid |
02/03/2000 | CA2338757A1 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
02/03/2000 | CA2338756A1 Continuous process for preparing optically pure (s)-3-hydroxy-gama-butyrolactone |
02/03/2000 | CA2338755A1 Process for preparing alpha-(1,4) linked oligosaccharide |
02/03/2000 | CA2338752A1 Process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
02/03/2000 | CA2338527A1 Process for preparing optically pure (s)-3-hydroxy-gama-butyrolactone |
02/03/2000 | CA2338428A1 Method of microwave bond cleavage of a hydrocarbon compound in a liquid phase |
02/02/2000 | EP0976716A1 Process for the preparation of esters of (meth)acrylic acid |
02/02/2000 | EP0976715A1 Process for the codimerisation of dienic fatty compounds and olefines catalysed by nickel complexes |
02/02/2000 | EP0976714A1 Addition of ketones to alkenes |
02/02/2000 | EP0976713A1 Preparation process of catalyst for producing alkenyl acetates and catalyst prepared by this process |
02/02/2000 | EP0976712A1 Fluorine-containing carboxylic acid compounds, methods for their production, and chemical processes utilizing the same |
02/02/2000 | EP0976702A1 Method for inhibiting polymerization of a vinyl compound |
02/02/2000 | EP0975577A1 Photocurable halofluorinated acrylates |
02/02/2000 | EP0975576A1 A process for the preparation of methacrylate esters |
02/02/2000 | EP0975575A1 Method for producing 2-alkynoic acid esters |
02/02/2000 | EP0975574A1 Process to prepare a pentenoic acid derivative |
02/02/2000 | EP0975421A2 Preparation of low-dust stabilisers |
02/02/2000 | EP0730485B1 Process for the simplified separation of complex mixtures at least partially of organic origin |
02/02/2000 | EP0674516B1 Antiproliferative substituted 5-thiapyrimidinone and 5-selenopyrimidinone compounds |
02/02/2000 | CN1243118A Separation method for coarse liquid acetic acid ethyenyl ester |
02/02/2000 | CN1243115A Polymerization inhibiting method for ethenyl chemical compound |
02/02/2000 | CN1243038A Catalyst for preparing acetic acid ethyenyl ester and use of same |