Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 67 - Preparation of carboxylic acid esters
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1998
11/05/1998WO1998049129A1 Conjugated linolenic acid-based synthetic triglycerides
11/05/1998WO1998049128A1 Process for preparing a (hetero)aromatic olefin
11/05/1998CA2288199A1 Hydroxynaphthoic acids and derivatives
11/04/1998EP0874870A1 Process for the preparation of polyglycol(meth)acrylates
11/04/1998EP0874799A1 Preparation of allyl succinate derivatives and starting materials therefor
11/04/1998EP0874798A1 Method for modifying catalyst performance during the gas phase synthesis of vinyl acetate
11/04/1998EP0716712B1 Lipase-catalysed acylation of alcohols with diketenes
11/04/1998EP0688753B1 Silane coupling agent
11/04/1998EP0656028B1 Preparation of vinyl ether terminated ester oligomers
11/04/1998CN1198183A Process for purifying alkoxylated fats
11/04/1998CN1197791A Ethyl propionate producing technology
11/04/1998CN1197790A Preparation of acetate product
11/04/1998CN1197788A Process for producing branched aldehydes
11/03/1998US5831116 Partially oxidizing methanol
11/03/1998US5831097 Triazolium salt reactive catalyst, aldehyde condensation
11/03/1998US5830966 Cyclopolymerization monomers and polymers
10/1998
10/29/1998WO1998047979A1 Method for producing polymerizable liquid crystal compounds
10/29/1998WO1998047855A1 Process for modifying unsaturated fatty acid ester stocks; resulting products and uses thereof
10/29/1998WO1998047844A1 SINGLE-STAGE METHOD FOR PRODUCING α-HYDROXY ETHERS BY OXIDIZING C=C-UNSATURATED COMPOUNDS WITH HYDROPEROXIDES
10/29/1998DE19736121A1 Einstufiges Verfahren zur Herstellung von alpha-Hydroxyethern durch Oxidation C=C-ungesättigter Verbindungen mit Hydroperoxiden Single-stage process for the preparation of alpha-hydroxy ethers by oxidation C = C unsaturated compounds with hydroperoxides
10/29/1998DE19716822A1 Verfahren zur Herstellung polymerisierbarer flüssigkristalliner Verbindungen Process for the preparation of polymerizable liquid crystal compounds
10/28/1998EP0874014A1 Process for the production of esters of ethylenically unsaturated carboxylic acids and hydroxyl groups containing polymerisates, having a low level of residual acid
10/28/1998EP0873989A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0873988A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0873985A1 PROCESS FOR PRODUCING sec-BUTYL ACRYLATE
10/28/1998EP0873297A1 Process for preparing hydroxy-containing compounds from formic acid esters
10/28/1998EP0873289A1 Process for catalytic addition of nucleophiles to alkines or allenes
10/28/1998EP0793637B1 Halogenated esters useful as intermediates for insecticides
10/28/1998EP0741688B1 Process for the separation of glycols from dimethyl terephthalate
10/28/1998CN1197065A Process for production of distyryl-biphenyl fluorescent whitening agents
10/28/1998CN1197057A Method of preparing fatty group dibasic acid
10/28/1998CN1197056A Chlorination of substituted alkenes using trichloroisocyanuric acid
10/28/1998CN1040426C Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
10/28/1998CN1040425C Chemical process for prepn. of 2-(2-methyl-phenyl)-3-methoxy methyl acrylate
10/28/1998CN1040424C Process for the prodn. of terephthalic acid
10/27/1998US5827939 Liquid phase esterification using molybdenum, tungsten, vanadium-containing acid catalysts
10/27/1998US5827794 Supported highly-polar liquid phase chiral sulfonated binap catalyst for asymmetric synthesis of optically active compounds
10/27/1998CA2152873C Process for producing diacetyl free methyl methacrylate
10/27/1998CA2076824C Process for removing aldehydes and/or vinyl esters from gaseous or liquid process streams
10/27/1998CA2044408C Use of heteropolyacids as catalysts in the preparation of unsaturated carboxylic acids esters by liquid (trans)-esterification, and preparation process thereof
10/27/1998CA1340105C Process for the preparation of optically active 3-demethylmevalonic acidderivatives and intermediates
10/22/1998WO1998046702A1 Improved oil compositions
10/22/1998WO1998046562A1 A process for the preparation of 4-bromomethyl diphenyl compounds
10/22/1998WO1998046556A1 Photocurable halofluorinated acrylates
10/22/1998WO1998046555A1 Method for producing 2-alkynoic acid esters
10/22/1998WO1998046547A1 Process for preparing 2-aryl-substituted indenes
10/22/1998WO1998046342A2 Preparation of low-dust stabilisers
10/22/1998DE19751150C1 Increasing reaction speed and yield in production of fatty acid poly:ol ester
10/22/1998DE19715697A1 Verfahren zur Herstellung von 2-Alkinsäureestern A process for the preparation of 2-Alkinsäureestern
10/22/1998CA2288295A1 Photocurable halofluorinated acrylates
10/22/1998CA2258747A1 Process for preparing 2-aryl-substituted indenes
10/21/1998EP0872483A1 Process for producing epsilon caprolactones from penten-1-ols
10/21/1998EP0872482A2 Process for producing epsilon caprolactones and/or hydrates and/or esters thereof
10/21/1998EP0872472A1 Process for producing diacetoxybutene
10/21/1998EP0872471A1 Process for the preparation of succinic acid di-tert.-butylester
10/21/1998EP0872467A1 Process for the production of chiral unsaturated alcohols in high optical purity
10/21/1998EP0872463A1 Chlorination of substituted alkenes using trichloroisocyanuric acid
10/21/1998EP0871691A1 Process for purifying alkoxylated fats
10/21/1998EP0871621A1 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands
10/21/1998EP0871605A1 Process for preparing acetoxystyrene
10/21/1998EP0871604A1 Process and catalyst for producing vinyl acetate
10/21/1998EP0737180B1 Process for the preparation of 5-formylvaleric acid and 5-formylvalerate ester
10/21/1998EP0686140B1 Alkylation of alkyl salicylate using a long chain carbon feed
10/21/1998CN1196350A Process for preparation of di-tert-butyl succinate
10/21/1998CN1040318C Synthesis of p-alkoxyl-methyl-benzyl dihalochrysanthemate
10/20/1998US5824830 Ruthenium-phosphine complex
10/20/1998US5824818 Preparing from acetalhdehyde and a formate as starting materials without forming a large amount of ammonium salts as by-products
10/20/1998US5824622 Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process
10/16/1998CA2234750A1 Process for producing diacetoxybutene
10/15/1998WO1998045245A1 Beta ketoester compositions and method of manufacture
10/15/1998WO1998045243A1 A process for the preparation of methacrylate esters
10/15/1998WO1998045040A1 Carbonylation catalyst system
10/15/1998WO1998045038A1 Process and catalyst for carbonylating olefins
10/15/1998WO1998044903A1 USE OF LOW MOLECULAR OLIGOMER ESTERS OF α-HYDROXY ACIDS AND/OR AROMATIC OF o-HYDROXY ACIDS IN COSMETIC FORMULATIONS
10/15/1998DE19714765A1 Verwendung von niedermolekularen, oligomeren Estern von alpha-Hydroxysäuren und/oder aromatischen o-Hydroxysäuren in kosmetischen Formulierungen The use of low molecular weight, oligomeric esters of alpha-hydroxy acids and / or aromatic o-hydroxy acids in cosmetic formulations
10/15/1998CA2285059A1 Beta ketoester compositions and method of manufacture
10/15/1998CA2283517A1 Use of low molecular oligomer esters of .alpha.-hydroxy acids and/or aromatic of o-hydroxy acids in cosmetic formulations
10/14/1998EP0870753A1 A process for the preparation of methacrylate esters
10/14/1998EP0870750A2 Catalyst for reactions of the aldol type
10/14/1998EP0869950A1 Stereoselective process
10/14/1998EP0735998B1 Process for preparing michael addition products
10/14/1998EP0729448B1 Process for the preparation of ethylenically unsaturated compounds
10/14/1998EP0624153B1 Process for preparing diesters of naphthalenedicarboxylic acids
10/14/1998CN1196044A Novel process
10/14/1998CN1040205C Chemical process for bromination of methyl 2-(2-methyl-phenyl)-3 methoxyl-acrylate
10/14/1998CA2233743A1 Process for the production of chiral unsaturated alcohols in high optical purity
10/13/1998USRE35919 Introducing solution of optical isomer mixture and desorbing liquid into bed containing optical resolution packing where adsorption, concentration, desorption and liquid recovery are carried out continuously in circulation
10/13/1998US5821384 Reacting a carbonyl compound selected from aliphatic aldehydes and ketones and an anhydride of an aliphatic carboxylic acid in a distillation zone; recovering; separation
10/13/1998US5821383 Esterification of (meth)acrylic acid with alcohol in presence of an amine
10/13/1998US5821381 Low pressure process for purifying crude polyester by sublimation
10/08/1998WO1998043945A1 Solid compositions suitable for oral administration comprising non hygroscopic salts of l-carnitine and alkanoyl-l-carnitine with 2-aminoethanesulfonic acid
10/08/1998WO1998043939A1 Method of oxidizing alkyl-5-formyl valerate to monoalkyl adipate
10/08/1998WO1998043938A1 Process for generating vinyl carboxylate esters
10/08/1998WO1998043937A1 Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials
10/08/1998WO1998029358A3 Surface modified carbonate materials
10/08/1998DE19713970A1 New structural elements which include prenyl derivatives
10/08/1998CA2279969A1 Method of oxidizing alkyl-5-formyl valerate to monoalkyl adipate
10/07/1998EP0868421A1 Process for the preparation of (meth)acrylic acid esters
10/07/1998EP0715615B1 Method for preparing (+)-(1r)-cis-3-oxo-2-pentyl-1-cyclopentaneacetic acid
10/07/1998CN1194971A Process or acetoxylation of olefins
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