| Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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| 03/11/2004 | US20040049068 Process for preparation of cinnamates using polyaniline salts as catalysts |
| 03/11/2004 | DE10240781A1 Production of dicarboxylic acid, e.g. adipic acid, from acrylic acid involves reacting a diester of the diacid with acrylic acid, separating acrylate esters from the product, dimerizing acrylate esters and converting into diacid |
| 03/11/2004 | DE10238142A1 Verfahren zur Aufarbeitung von (Meth)acrylsäure und (Meth)acrylsäureestern A process for the work-up of (meth) acrylic acid and acrylic acid esters, (meth) |
| 03/10/2004 | EP1396166A1 A method for enabling a subscriber entity to actively communicate in a communication network |
| 03/10/2004 | EP1395534A1 Impurity inhibition in olefin metathesis reactions |
| 03/10/2004 | CN1481357A Arylbis (perfluoroalkylsulfonyl) methane, metal salf of same, and processes for producing these |
| 03/10/2004 | CN1481353A Method of purifying plavastatin |
| 03/10/2004 | CN1481352A Method of purifying pravastation or its pharmacologically acceptable salt |
| 03/10/2004 | CN1480449A Technique for esterification synthesizing propyl gallate without water added |
| 03/10/2004 | CN1480448A Process for preparing optically active cyclopropyl carboxylic acid derivative |
| 03/09/2004 | US6704372 Digital implementation of multi-channel demodulators |
| 03/09/2004 | US6703528 Process for producing carbonyl or hydroxy compound |
| 03/09/2004 | US6703520 Process of preparing halogenated esters |
| 03/09/2004 | CA2122345C A method to produce highly pure eicosapentaenoic acid or its ester |
| 03/04/2004 | WO2004018487A1 Chiral organosilicon hydrides |
| 03/04/2004 | WO2004018406A1 Method for separating an esterification catalyst |
| 03/04/2004 | WO2004018405A1 Transesterification and esterification of fatty acids and triglycerides by dispersion and dispersion method for the production of fatty acid methylesters |
| 03/04/2004 | US20040044245 Continuous processing; carbonylation of methanol using rhodium, iridium catalyst; process control |
| 03/04/2004 | US20040044243 Preparation of 3-acyloxy-2-methylbenzoic acids |
| 03/04/2004 | US20040044233 Nucleophilic kinetic resolution of cyclic substrates using silyl azides |
| 03/04/2004 | US20040044232 Using phthalancarbonitrile compound |
| 03/03/2004 | EP1394157A2 Process for the preparation of 3,5-dihydroxy substituted esters as intermediates for producing optically active 2-(6-(hydroxymethyl)-1,3-dioxan-4-yl) acetic acid dervatives |
| 03/03/2004 | EP1394141A1 Preparation of aryl olefins |
| 03/03/2004 | EP1394140A1 Enantioselektive Reformatsky-Process for the preparation of optically active alcohols, amines and their derivatives |
| 03/03/2004 | EP1393800A1 Catalyst for carboxylic ester production and process for producing carboxylic ester |
| 03/03/2004 | EP1392656A2 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors |
| 03/03/2004 | EP1392638A1 Process for preparing alkylidene substituted succinic acid esters |
| 03/03/2004 | EP1392636A1 Process for preparing carboxylic acids and derivatives thereof |
| 03/03/2004 | EP1392633A1 Continuous hydroformylation process |
| 03/03/2004 | EP1392621A2 Solid phase extraction method for obtaining high-purity unsaturated compounds or derivatives of said compounds |
| 03/03/2004 | EP1292555B1 Catalytic hydrogenation of ketones and aldehydes |
| 03/03/2004 | EP1104397B1 Method for producing atropic acid ethyl ester |
| 03/03/2004 | EP0652714B1 Process for preparing soft centers in food products |
| 03/03/2004 | CN1479719A Process for producing 5-cyanovaleric, adipic acid or dimethyl adidpate |
| 03/03/2004 | CN1478800A Photoetch resist copolymer |
| 03/03/2004 | CN1140532C Process for preparing bisphosphines |
| 03/03/2004 | CN1140493C Process for preparing polyolester (methyl) acrylate |
| 03/03/2004 | CN1140490C Process for preparing halogeno-hydroxyl compound |
| 03/02/2004 | US6699922 Adding to polymer an effective amount of di-c10-12 fatty acid ester of polyethylene glycol |
| 03/02/2004 | US6699405 Polymerizable liquid crystals |
| 02/26/2004 | WO2004016348A1 Tethered catalyst processes in microchannel reactors and systems containing a tethered catalyst or tethered chiral auxiliary |
| 02/26/2004 | WO2002083299B1 Palladium catalyst and processes for using the same |
| 02/26/2004 | US20040039226 Process for the carbonylation of a conjugated diene |
| 02/26/2004 | US20040039222 Process for production of biphenyltetracarboxylic acid tetraesters |
| 02/26/2004 | US20040035293 Melt point is < 100 degrees c; provides distinct selectivities and reactivities because they are made of ions rather than molecules |
| 02/26/2004 | DE10333080A1 Production of acetoacetate esters for use as pharmaceutical intermediates, e.g. p-nitrobenzyl acetoacetate, involves reacting diketene with a benzyl alcohol in presence of a cyclic amine as catalyst |
| 02/26/2004 | DE10317435A1 Production of acrylate ester for polymer production involves esterification of acrylic acid, with restricted amounts of water or acrylic acid in the sump of the azeotropic column and-or pre-stabilisation of heterogeneous catalyst |
| 02/25/2004 | EP1391952A2 Salts of pentacyclic or tetrapentaline derived anions, and their uses as ionic conductive materials |
| 02/25/2004 | EP1391448A1 Optically active diamines and their use in catalytic processes |
| 02/25/2004 | EP1390340A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 02/25/2004 | EP1390336A1 Method for producing aromatic aldehydes and ketones by the catalytic oxidation of alkyl-aromatic compounds |
| 02/25/2004 | EP1390332A1 Uncatalysed addition reactions |
| 02/25/2004 | EP1390142A2 Catalyst comprising a chiral cationic metal-ligand complex immobilised on a mesoporous alumino-silicate support, its preparation and use in asymmetric hydrogenation |
| 02/25/2004 | EP1218329B1 Method for improving the stability and/or avoiding deactivation of a catalyst when making an acetic acid and/or methyl acetate |
| 02/25/2004 | EP1140817B1 Bis-poly(ethylene oxide) surfactants and their use as antistats in photographic materials |
| 02/25/2004 | EP1098868B1 Method for preparing alcoxylated carboxylic acid esters |
| 02/25/2004 | CN1478071A Method for carbonylation of pentenoic acid and derivatives thereof |
| 02/25/2004 | CN1139568C Alkylphenolester, composition containing it and use as synthetic lubricating oil |
| 02/25/2004 | CN1139567C Process for prodn, of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran |
| 02/25/2004 | CN1139565C Process for producing halogeno-o-hydroxydiphenyl compounds |
| 02/24/2004 | US6696611 Chemical methods |
| 02/24/2004 | US6696598 Process for producing lower aliphatic carboxylic acid ester |
| 02/24/2004 | US6696597 Metathesis syntheses of pheromones or their components |
| 02/24/2004 | US6696596 Catalyst and method for producing vinyl acetate |
| 02/24/2004 | US6696595 Esterifying an adamantane compound having an -oh group, -om group or or divalent aliphatic hydrocarbon group, and distilling the ester product in presence of an inert heterocyclic compound which is stable under distillation |
| 02/24/2004 | US6696594 Using oxidizer; esterification using alcohol |
| 02/24/2004 | US6696591 Process for obtaining (nitroxymethyl)phenyl esters of salicylic acid derivatives |
| 02/24/2004 | US6696583 Catalytic transesterification of a triglycerides and fatty acids |
| 02/24/2004 | US6695969 Displacement chromatography and involves using a displacer for displacing the hmg-coa reductase inhibitor |
| 02/24/2004 | US6695928 Removing of adhered solid substance is performed without overhauling of the device |
| 02/19/2004 | WO2004015122A1 Method for reproducing pleuromutilins |
| 02/19/2004 | WO2004015046A1 Method for the production of conjugated linoleic acids |
| 02/19/2004 | WO2004014839A1 Process for preparing alkylidene-substituted-1,4-dions derivatives |
| 02/19/2004 | WO2004014838A1 Process for preparing alkylidene-substituted-1,4-dions derivatives |
| 02/19/2004 | WO2004014837A1 Method for the production of hydroxyalkyl carbonic acid esters |
| 02/19/2004 | WO2004014836A2 Method of preparing an ester of an aromatic carboxylic acid bearing at least one perfluoroalkyl group |
| 02/19/2004 | WO2004014834A1 Process for the carbonylation of ethylenically unsaturated compouds |
| 02/19/2004 | WO2004014552A1 A phospha-adamantane (s) catalytic system |
| 02/19/2004 | WO2004014550A2 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions |
| 02/19/2004 | WO2004014541A1 Monitoring the stability of vinylogous compounds |
| 02/19/2004 | WO2002079121A3 Products for preventing penetration into the skin |
| 02/19/2004 | WO2002036534A3 Processes for preparing linear polyglycerols and polyglycerol esters |
| 02/19/2004 | US20040034863 Fast digital channel changing |
| 02/19/2004 | US20040034244 Transesterification of a vegetable oil or animal oil, using an aliphatic monoalcohol( methanol) in excess, with separation, recycling of excess alcohol to produce glycerol and alkyl ester in presence of zinc aluminate catalyst |
| 02/19/2004 | US20040031674 Workup of (meth)acrylic acid and (meth)acrylic esters |
| 02/19/2004 | DE10236279A1 Removing esterification catalyst from crude plasticizer ester, e.g. di-isononyl phthalate, involves hydrolysis with aqueous alkali, addition of multi-valent metal salt, e.g. aluminum sulfate, and phase separation under gravity |
| 02/19/2004 | DE10236086A1 Production of conjugated linoleic acid, e.g. as food additive, comprises isomerization of lower alkyl linoleate in presence of alkali alcoholate, hydrolysis with alkali and neutralization with phosphoric acid |
| 02/19/2004 | DE10235643A1 Controlling the stability of compositions and reaction mixtures containing vinyl compounds, preferably (meth)acrylic acid and/or acrylate during ester production by establishing the dissolved oxygen content of the composition and/or mixture |
| 02/19/2004 | DE10235623A1 Production of hydroxyalkyl carboxylate ester for use as monomer or paint raw material, e.g. hydroxyethyl acrylate, involves reacting carboxylic acid with alkylene oxide in presence of a supported iron oxide catalyst |
| 02/18/2004 | EP1389874A2 Fast digital channel changing |
| 02/18/2004 | EP1389610A1 Production process for hydroxyalkyl(meth)acrylate |
| 02/18/2004 | EP1389179A1 Stereoselective synthesis of 2-hydroxy-4-phenylbutyric acid esters |
| 02/18/2004 | EP1389176A1 Method for producing ketones from carboxylic acid anhydrides |
| 02/18/2004 | EP1268390B1 A process for preparing trimethylhydroquinone diacetate and trimethylhydroquinone |
| 02/18/2004 | EP1208076B1 Process for the preparation of alkanoyloxy-benzenesulfonic acids and salts thereof |
| 02/18/2004 | EP1115689B1 Method for producing 6,6-dialkoxy-5-hydroxy-3-oxo-hexanoic acid esters |
| 02/18/2004 | EP1070043B1 Asymmetric hydrogenation |
| 02/18/2004 | EP0918781B1 Asymmetric synthesis catalyzed by transition metal complexes with cyclic chiral phosphine ligands |
| 02/18/2004 | CN1476424A 萘衍生物 Naphthalene Derivatives |
| 02/18/2004 | CN1475477A Method and intermdeiate used for manufacturing antifolic acid agent |