Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/2004
05/19/2004EP1305276B1 Method for producing tertiary c4-c8-alkyl esters of (meth)acryl acid
05/19/2004EP1268392B1 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers
05/19/2004EP0949236B1 Process for producing acid chlorides having polyfluoroalkyl groups
05/19/2004DE4330591B4 Verfahren zur Stabilisierung von Sexualpheromonen A process for the stabilization of sex pheromones
05/19/2004DE10251984A1 Ester production, for use e.g. as additive for cosmetic or pharmaceutical preparations, by filtering mixture of carbonyl and phosphorus compounds, adding alcohol and titanate and reacting
05/19/2004CN1498201A Process for preparing bicyclocarboxylic acid derivative
05/19/2004CN1498200A Process for branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
05/19/2004CN1497011A Method of deaggre gating solution and removing micro particle from polyethylene glycol terephthalate and regeneration method of wed filtering material
05/19/2004CN1496973A Preparing unsaturated carbonxylic acid and unsaturated carbonxylic ester by paraffin and/or alkene hydrocarbon
05/19/2004CN1496972A Preparing of (Methyl) propenoic acid and (methyl) propenoic acid ester
05/19/2004CN1150182C Preparation process of esterified benzodihydropyran compound
05/19/2004CN1150157C Purfication of (methyl)acrylic acid hydroxy alkyl ester
05/18/2004US6737542 Process for the carbonylation of conjugated dienes
05/18/2004CA2225746C 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
05/18/2004CA2214381C Preparation of 3-pentenoic esters by carbonylation of alkoxybutenes
05/13/2004WO2004039991A2 Method for producing esterified astaxanthin from esterified zeaxanthin
05/13/2004WO2004039929A1 Process for controlling the fatty acid chain composition of triglycerides and use thereof
05/13/2004WO2003070666A3 Process for making organic products from non-product streams using phase transfer catalysis
05/13/2004US20040092777 Reacting allyl starting compound with oxygen nucleophilic agent in presence of transition metal catalyst and monodentate phosphite
05/13/2004US20040092764 Method for preparing amino alkyl(meth)acrylates
05/13/2004US20040092763 Process for the transesterification of keto ester with alcohol using polyaniline salts as catalyst
05/13/2004US20040092595 Analgesic agent
05/13/2004DE19534067B4 Verfahren zur Herstellung von Gemischen von Alkylsulfoacetaten oder/und Alkylethersulfoacetaten mit Sulfosuccinaten, mit stark reduziertem Restgehalt an organischen Chlorverbindungen Process for the preparation of mixtures of alkyl sulfoacetates and / or Alkylethersulfoacetaten with sulfosuccinate, with greatly reduced residual content of organic chlorine compounds
05/13/2004CA2504434A1 Process for controlling the fatty acid chain composition of triglycerides and use thereof
05/12/2004EP1263709B1 Process for the carbonylation of ethylenically unsaturated compounds
05/12/2004EP1131279B1 Industrial process for the production of l-carnitine
05/12/2004EP1024139B1 Process for the preparation of optically active 2-(6-(hydroxymethyl)-1,3-dioxan-4-yl) acetic acid derivatives
05/12/2004CN1496398A Method for transesterification of fats and/or oils by means of alcoholysis
05/12/2004CN1496372A High polymer-supported arylbis(perfluoroalkylsulfonyl)-methane
05/12/2004CN1496371A Solid-supported transition metal catalysts
05/12/2004CN1496345A Chain oligolactic acid ester
05/12/2004CN1495384A Method for treating wastes produced by acrylic acid process and acryli ester process
05/12/2004CN1149254C Glucolysis process for recycling of post-consumer PET
05/12/2004CN1149126C Catalyst for preparing acetic acid ethyenyl ester and use of same
05/06/2004WO2004037764A1 Coolant solutions and compositions comprising the sameitle
05/06/2004WO2004037760A2 Process for producing optically active 2-alkoxy-1-(trifluoromethyl-substituted phenyl)ethanol derivatives
05/06/2004WO2004037754A2 Stabilization of olefin metathesis product mixtures
05/06/2004WO2004024322A3 A catalyst system comprising a 1,2-bis-(phosphinoalkyl) ferrocene ligand
05/06/2004WO2003098916A3 High-resolution image projection
05/06/2004US20040087809 Processes for producing alkyl ester of fatty acid
05/06/2004US20040087655 6-Substituted indanoyl amino acid conjugates as mimics to the biological activity of coronatine
05/06/2004EP1415978A1 Benzoic acid isodecyl ester mixtures, process for their preparation and their use
05/06/2004EP1415968A1 Process for producing ether compound
05/06/2004EP1414777A1 Vapor phase carbonylation process using iridium-gold co-catalysts
05/06/2004EP1414776A1 Vapor phase carbonylation process using gold catalysts
05/06/2004EP1414566A1 Palladium catalysts
05/06/2004EP1414565A1 Gold based hererogeneous carbonylation catalysts
05/06/2004EP1414463A1 Asymmetric synthesis of kavalactones
05/06/2004EP1335911B1 Synthesis of r(+)alpha-lipoic acid
05/06/2004EP1233828B1 Chiral catalysts for asymmetric acylation and related transformations
05/06/2004DE10249912A1 Benzoesäureisodecyclestergemische, Herstellung und deren Verwendung Benzoesäureisodecyclestergemische, production and use thereof
05/06/2004CA2814266A1 Stabilization of olefin metathesis product mixtures
05/06/2004CA2501627A1 Stabilization of olefin metathesis product mixtures
05/06/2004CA2497910A1 Coolant solutions and compositions comprising the same
05/05/2004CN1494558A Radiation curable coating composition
05/05/2004CN1494546A Organometallic building material and method for producing the same
05/05/2004CN1494525A Preparation of 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol
05/05/2004CN1493576A Chiral diphosphorus compound and its transition metal compounding product
05/04/2004US6730806 Process for preparing a carboxylic ester
05/04/2004US6730804 Process for preparing cyclopropanecarboxylates of lower alcohols
04/2004
04/29/2004WO2004035518A1 Method for producing fluorinated compound and fluorination apparatus
04/29/2004WO2004035515A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
04/29/2004WO2004035208A1 Mixtures of chiral monophosphorus compounds used as ligand systems for asymmetric transition metal catalysis
04/29/2004WO2003082798A8 Natural compounds and derivatives thereof for the prevention and treatment of cardiovascular, hepatic and renal diseases and for cosmetic applications
04/29/2004US20040082818 For single step aldol condensations of gem-dimethyl cyclohexanone or gem-dimethylcyclohexenylethanone with formaldehyde
04/29/2004US20040082806 Glutamate receptors; psychological disorders, schizophenia, anxiolytic agents, antidepressants, bipolar diosrders, antiepileptic agents
04/29/2004US20040082793 Methods of ortho alkylation
04/29/2004DE10339633A1 Process for the production and/or processing of mixtures containing (meth)acrylic acid and/or their esters comprises use of a polymerization inhibitor and an oxygen containing gas that is dosed in at a specific exit rate
04/29/2004DE10247633A1 Mischungen von chiralen Monophosphor-Verbindungen als Ligandensysteme für die asymmetrische Übergangsmetallkatalyse Mixtures of chiral mono-phosphorus compounds as ligands for asymmetric systems transition metal catalysis
04/29/2004CA2498621A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
04/28/2004EP1412447A2 Novel mesogens and methods for their synthesis and use
04/28/2004EP1412318A1 Process for separating sec-butanol from ethyl acetate
04/28/2004EP1222157B1 Process for the carbonylation of an acetylenically unsaturated compound
04/28/2004EP1200384B1 2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production
04/28/2004EP1156997B1 Method for producing (1,1':4'1'')-terphenyl compounds
04/28/2004EP1129062B1 Method for esterifying (meth)acrylic acid with an alkanol
04/28/2004EP1107936B1 Copper-catalysed enantioselective allylic substitution reactions
04/28/2004CN1492850A Azeotropic distillation process
04/28/2004CN1491934A Process for preparing glycol terephthalate from terephthalic acid and glycol
04/28/2004CN1491933A Continuous esterification device for preparing terephthalate of dihydric alcohol
04/28/2004CN1147458C Process for preparation of ethylene acetate ester
04/28/2004CN1147457C Method for producing dichloro-acetoxy-propane and derivative thereof
04/27/2004US6727383 Cooling mixture of acrylic acid and oligomers; quenching; gas-phase oxidation; esterification with alkanol
04/27/2004US6727381 Process for producing vitamin A ester
04/27/2004US6727380 Oxidation process for the production of alkenes and carboxylic acids
04/27/2004US6727377 Asymmetric catalysis based on chiral phospholanes and hydroxyl phospholanes
04/27/2004US6726854 For stabilization of vinylically unsaturated compounds
04/27/2004CA2123624C Process for producing methyl formate
04/27/2004CA2088562C The preparation of e-oxime ethers of phenylglyoxylic esters
04/22/2004WO2004033411A1 Process for producing enone ester
04/22/2004WO2004033410A1 Process for the preparation of trimethylene terephthalate oligomers
04/22/2004WO2004032849A2 Methods of administering fgf18
04/22/2004WO2004026806A3 Diastereoselective method of preparing olefins by means of the horner-wadsworth-emmons reaction, comprising the addition of a tris-(polyoxaalkyl)-amine sequestering agent
04/22/2004US20040077905 Catalyst containing a Group VIII metal encapsulated in a polymer that has side chains containing an aromatic substituent; stable even in air, easy to recover, and reusable
04/22/2004US20040077899 Cement dispersants comprising graft copolymers
04/22/2004US20040077898 Contacting a alkyladamantyl halide with an alkali compound in the presence of a dissolving organic solvent and distilling
04/22/2004US20040077897 Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes
04/22/2004US20040077889 Acid catalysts, cation exchangers
04/22/2004US20040077872 Palladium salt without a ligand being used as palladium catalyst; cheap, simple and commercially attractive process involving an optionally substituted aromatic bromide
04/22/2004US20040077061 Enzymatic resolution of aryl and thio-substituted acids