Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/2003
10/15/2003CN1124261C Manufacture of polyene esters and acids
10/15/2003CN1124250C Integrated process for the production of vinyl actate and/or acetic acid
10/14/2003US6632959 Basic catalysts and process for producing carbonyl compound derivatives
10/14/2003US6632954 Chelate compounds
10/14/2003US6632953 Metal complex comprising a phospholane as claimed in any of claim 1 and a central atom selected from the group of Rh, Ru, Ir, Pd, Pt, Ni. asymmetric hydrogenation of compounds by reacting the starting compounds to be hydrogenated with
10/14/2003US6632903 Chemical and etching resistance
10/14/2003US6632330 Process for purification of alkyl alkanoate
10/14/2003CA2171718C Synthesis of vinyl esters
10/14/2003CA2072827C Continuous process for the carbonylation of acetylenes
10/09/2003WO2003082798A1 Natural compounds and derivatives thereof for the prevention and treatment of cardiovascular, hepatic and renal diseases and for cosmetic applications
10/09/2003WO2003082796A1 Process for making butenyl esters from butadiene
10/09/2003WO2003082795A2 METHODS OF MANUFACTURING DERIVATIVES OF β-HYDROXYCARBOXYLIC ACIDS
10/09/2003WO2003082780A1 Oligomerization of olefins
10/09/2003WO2003082464A1 Fatty acid isomerization with mesoporous zeolites
10/09/2003US20030191340 Catalytic compositions and methods for asymmetric allylic alkylation
10/09/2003US20030191339 Comprises carbon monoxide and nucleophilic compound comprising palladium, phosphine, and polyethyleneimine
10/09/2003US20030191338 Methods for inhibiting the polymerization of methacrylate monomers
10/09/2003US20030191331 Fatty acid isomerization with mesoporous zeolites
10/09/2003US20030191330 Skeletal isomerization of alkyl esters and derivatives prepared therefrom
10/09/2003US20030191318 Method for producing beta ketoenol esters
10/09/2003US20030191217 Amorphous or liquid phenolic compounds having a carboxy group as stabilizers for processing molding plastics are controllably, uniformly dispersed and reproducible; nondiffusing; no bleeding-out; no surface deposits
10/09/2003US20030191014 Preparation of new layered double hydroxides exchanged with diisopropylamide for C-C bond forming reactions
10/09/2003CA2480152A1 Methods of manufacturing derivatives of .beta.-hydroxycarboxylic acids
10/09/2003CA2479466A1 Oligomerization of olefins
10/08/2003EP1349827A1 Method of producing branched fatty substances
10/08/2003EP1349825A1 Improved process for producing carboxylic acids
10/08/2003CN1447784A Process for prepn. of fluorinated ketones
10/08/2003CN1446817A 7 alpha-hydroxy dehydroisoandrosterone and its derivative purifying process and obtained solvate
10/08/2003CN1446791A Method and equipments for preparing isopropyl acetate by esterification in continuous process
10/08/2003CN1123384C Catalyst and method for producing vinyl acetate
10/07/2003US6630601 Methods for the preparation or purification of bis-β-hydroxyethyl terephthalate
10/02/2003WO2003081200A2 Esterification of xanthophylls
10/02/2003WO2003080762A1 Functional thin film
10/02/2003WO2003080542A2 Method for producing 3-hydroxy-2-methylbenzoic acid
10/02/2003US20030187294 Process for producing catalysts comprising nanosize metal particles on a porous support, in particular for the gas-phase oxidation of ethylene and acetic acid to give vinyl acetate
10/02/2003US20030187293 Metallization from a metal compound into metallic elements in a liquid phase reaction and a gas phase reaction; use for catalyzing the esterification of ethylene and acetic acid to vinyl acetate
10/02/2003US20030187292 Process for producing ester
10/02/2003US20030187280 (Per) haloethers
10/02/2003US20030187114 Method for producing blends of phthalic acid diesters, decanols and tridecanols
10/02/2003DE20220260U1 Prepn. of extracts of rhizoma petasitidis - by extraction with compressed carbon di:oxide and subsequent sepn. of the extract by reducing the density
10/01/2003EP1071649B1 Tertiary alkyl ester preparation
10/01/2003CN1446191A Intermediate and process for producing fluorinated carboxylic acid derivative from the same
10/01/2003CN1446190A Adamantyl ester monomer composition
10/01/2003CN1446189A Catalyst for use in producing lower aliphatic carboxylic acid ester, process for producing catalyst and process for producing lower alphatic carboxylic acid ester using the catalyst
10/01/2003CN1446187A Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate
10/01/2003CN1445019A Carboxylic ester synthesized by sulfuric acid-heteropoly acid (salt) admixture catalyst system
10/01/2003CN1122569C Catalyst for producing carboxylicester and producing process for carboxylic ester
09/2003
09/30/2003US6627768 Process for recovery of acid
09/30/2003US6627047 Method for preventing polymerization in thin-film type evaporating device
09/25/2003WO2003078444A2 Bisphosphite ligands for carbonylation processes
09/25/2003WO2003078379A1 AMORPHOUS Hmg-CoA REDUCTASE INHIBITORS OF DESIRED PARTICLE SIZE
09/25/2003WO2003078015A1 Apparatus and method for purifying easily polymerizable substance
09/25/2003WO2003077860A2 BOSWELLIN COMPOSITIONS ENHANCED WITH 3-β-ACETYL-11-KETO-β-BOSWELLIC ACID (“AKBA”), INDUSTRIAL MANUFACTURE AND THEIR USES
09/25/2003WO2003036886A3 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
09/25/2003WO2003006570A3 Novel mesogens and methods for their synthesis and use
09/25/2003US20030181776 Catalyst fixed on a carrier and used for the metathesis of olefins
09/25/2003US20030181763 Reacting meth(acrylic acid) with a fatty acid anhydride, neutralizing-washing the mixture for producing meth(acrylic) anhydride, esterifying the anhydride with secondary or tertiary alcohol to produce meth(acrylic) ester
09/25/2003US20030181754 Method for producing tert-butyl esters of aliphatic C1-C4-carboxylic acids
09/25/2003US20030181753 Method for producing amides or esters
09/25/2003US20030181743 Process for preparing alkylidene substituted succinic acid esters
09/25/2003US20030181736 Diphosphines
09/25/2003US20030181688 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds
09/25/2003US20030180691 Difunctional IDBM and related compounds as novel dentin bonding agents
09/25/2003US20030180217 Microporous crystalline material (ITQ-15), method for the preparation thereof and its use in processes for separating and transforming organic compounds
09/24/2003EP1346997A1 Process for the purification of 7-alpha-hydroxy-dehydroepiandrosteron and derivatives thereof, and solvates obtained
09/24/2003EP1346767A1 Multifunctional catalyst useful in the synthesis of chiral vicinal diols and process for the preparation thereof
09/24/2003EP1346757A1 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/24/2003EP1345887A1 Method for producing (meth)acrylic acid esters
09/24/2003EP1345886A1 Method for producing higher (meth)acrylic acid esters
09/24/2003EP1345885A1 Method for producing cinnamic acid esters
09/24/2003EP1027321B1 Production of esters
09/24/2003CN1444557A Process for preparation of 2-alkyl-2-adamantyl esters
09/24/2003CN1443748A Polymerization inhibition of (methyl) acrylic ester
09/24/2003CN1443734A Process for producing organic compound using nitrite
09/24/2003CN1122016C Resin catalysis to synthesize folic acetate
09/23/2003US6624325 Esterification of acyclic acids using aliphatic hydrocarbons in the presence catalysts such phosphotungstic acid on silica supports; efficiency
09/23/2003US6624265 Ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity
09/23/2003US6624192 Diacetylrhein containing aloe-emodin components is subjected to a liquid-liquid partitioning between a polar organic solvent which is only partly miscible with water and an aqueous phase of pH 6.5 to 7.5 and the diacetylrhein is
09/23/2003CA2085706C Process for producing a lactone or an ester
09/18/2003WO2003076478A1 Arene-ruthenium complexes immobilized on polymers, catalysts consisting of the complexes, and processes for organic syntheses with the same
09/18/2003WO2003076451A1 Ferrocenyl ligands and the use thereof in catalysis
09/18/2003WO2003076385A1 Method for cleaning plate columns used for rectifying liquids containing (meth)acrylic acid and/or the esters thereof
09/18/2003WO2003076383A1 Process for vinyl acetate
09/18/2003WO2003076382A1 Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof
09/18/2003WO2003055838A8 Integrated process for the manufacture of alkenyl carboxylates
09/18/2003WO2003053906A3 Alkyl-capped alkoxylated esters and compositions comprising same
09/18/2003WO2003045895A3 Method for obtaining 5-halogenolaevulinic acid alkyl esters
09/18/2003WO2003020859A3 Method for hardening unsaturated fatty substances
09/18/2003WO2002100323A3 METHYL ANALOGS OF SIMVASTATIN AS NOVEL HMG-CoA REDUCTASE INHIBITORS
09/18/2003US20030176747 Process for the production of fluorinated organic compounds and fluorinating agents
09/18/2003US20030176736 Lactic acid processing; methods; arrangements; and, products
09/18/2003US20030176730 Yielding diacetoxybutene by feeding butadiene, acetic acid, and oxygen in the presence of a solid catalyst containing palladium, an oxygen containing gas containing 7 mol% or more oxygne fed as fine bubbles to a reaction zone
09/18/2003US20030176729 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
09/18/2003US20030176728 Coupled production of two esters
09/18/2003US20030176725 Process for inhibition of polymerization of (meth) acrylate ester
09/18/2003US20030176501 For use in inhibiting HMG-CoA reductase; therapy and prophylaxis of hypercholesterolemia, atherosclerotic disease
09/18/2003US20030175188 Process for the recovery of rhodium
09/18/2003US20030173310 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/17/2003EP1344772A1 Arylbis (perfluoroalkylsulfonyl) methane, metal salt of the same, and processes for producing these
09/17/2003EP1344765A1 Dimethyl terephthalate composition and process for producing the same