Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/2005
09/27/2005US6949671 Process for the production of acetic acid C4-esters
09/27/2005US6949668 Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound
09/27/2005CA2169651C Hydroformylation process
09/27/2005CA2164931C Process for preparing fatty acid alkyl esters
09/22/2005WO2005087703A1 Ester compound, perfume composition, and process for producing ester compound
09/22/2005WO2005087702A1 Process for producing lactic ester
09/22/2005WO2005070525A3 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
09/22/2005US20050209483 Removing heat from the first product stream and providing it to the acetic acid reaction stream and the purification section; using acetic acid from the first product stream with an oxygen-containing gas in the presence of a catalyst to produce vinyl acetate
09/22/2005US20050209482 Storage tank for easily polymerizable compound and method of storage
09/22/2005US20050209481 Process for producing (meth) acrylic esters
09/22/2005US20050209455 Bisphosphines as bidentate ligands
09/22/2005US20050209325 Novel interleukin-1 and tumor necrosis factor-alpha modulators, syntheses of said modulators and methods of using said modulators
09/22/2005US20050209316 Lactone formulations and method of use
09/22/2005US20050209101 Process and apparatus for fluid bed reactions
09/22/2005US20050204612 Method and device for producing biodiesel
09/21/2005EP1577287A2 Cycloalkanone composition
09/21/2005EP1576039A2 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
09/21/2005EP1575895A1 Phenolic antioxidants in crystalline form
09/21/2005EP1575887A1 Hydroformylation process in the presence of a sulfur-containing additive
09/21/2005CN1670010A Method for preparing dodecanedioic acid dimethyl ester by oxidation of cyclohexanone
09/21/2005CN1219802C Copolymer resin, preparation thereof, and photo resist using the same
09/21/2005CN1219744C Method of producing high-purity ethyl linolenate
09/21/2005CN1219741C New method for making photocurable halofluorinated acrylates
09/20/2005US6946582 from catalytic iodination of a fluoroalkene and hydrogen iodide; further reacted with a carboxylate giving a fluoroester; by-product and polymerization inhibition; efficiency; fluoroalkene recycling; chemical intermediate
09/20/2005US6946570 Ester synthesis
09/20/2005US6946569 high stereoselectivity; mannitol and tartaric acid starting materials, hydrogenation of ketones, imines, and olefins; 1,2((2,2',5,5'-tetramethyl, 3,3',4,4'-tetrahydroxy) bisphospholane)benzene.
09/20/2005US6946567 Skeletal isomerization of alkyl esters and derivatives prepared therefrom
09/20/2005US6946560 Ligands for metals and improved metal-catalyzed processes based thereon
09/20/2005CA2238758C Process for the carbonylation of acetylenically unsaturated compounds
09/20/2005CA2097676C 2,2-dimethyl 3[(z)1-propenyl] cyclopropane carboxylic acid and intermediates, and process for its preparation
09/15/2005WO2005085307A1 Polymer-supported metal cluster compositions
09/15/2005WO2005085173A1 Production of compounds with chf2 - or chf groups
09/15/2005WO2005085172A1 Method for producing ester and esterification catalyst
09/15/2005WO2005085171A1 Process for producing optically active fluorochemical
09/15/2005WO2005085162A1 Process for producing carbonylation products
09/15/2005WO2005084802A1 Lewis-acid metal catalyst enclosed in polymer
09/15/2005WO2005084669A1 Pharmaceutical composition
09/15/2005WO2004052825A8 Continuous ethyl lactate preparation method
09/15/2005US20050203324 Impurity reduction in Olefin metathesis reactions
09/15/2005US20050203317 Removing the allyl group in a single reaction step with a high reaction rate and a high functional group selectivity without using any additive; cyclopentadienyl ruthenium (II) complex; catalytic dehydration type reaction of alcohols using the ruthenium complex
09/15/2005US20050203312 Catalytically converting alkanes, alkenes to their corresponding oxygenates such as unsaturated carboxylic acids and esters, by vapor phase oxidation; efficiency and selectivity
09/15/2005US20050203310 Process for the production of aliphatic carboxylic acid esters
09/15/2005US20050203309 Modified catalysts and process
09/15/2005US20050203181 Acyloxymethyl esters of C6-14 alkane-dicarboxylic acids, higher absorbtion of esters; does not induce bacterial resistance
09/15/2005US20050203180 fewer side-effects by showing no hormone properties; enhancing the learning and memory-retention, treat dementia
09/15/2005US20050202965 Modified catalysts and process
09/15/2005US20050202964 Catalytically converting alkanes, alkenes to their corresponding oxygenates, including unsaturated carboxylic acids and esters, by vapor phase oxidation; efficiency and selectivity of mixed metal oxide catalyst improved by chemical or physical treatments or combination of both
09/15/2005US20050202095 Rotor-stator apparatus and process for the formation of particles
09/14/2005EP1574509A1 Process for the production of 1-acetoxy-3-(substituted phenyl)propenes
09/14/2005EP1574496A1 Preparation of compounds comprising a CHF2 or CHF group
09/14/2005EP1574255A2 Modified Mo-V-Nb-based metal oxide catalysts
09/14/2005EP1574254A2 Process for modifying of Mo-V-Nb-based metal oxide catalysts and processes for producing an unsaturated carboxylic acid
09/14/2005EP1574253A2 Process for modifying of Mo-V-Nb-based metal oxide catalysts
09/14/2005EP1572814A1 Uv-curable epoxy acrylates
09/14/2005EP1572716A4 Methods for synthesis of liquid crystals
09/14/2005EP1572716A2 Methods for synthesis of liquid crystals
09/14/2005EP1572620A2 Method for the production of optically active dihydropyrones
09/14/2005EP1572618A1 Process for isolating brevifoliol
09/14/2005EP1572617A1 Method for producing hydroxycarboxylic acid esters
09/14/2005EP1572614A2 New method for the preparation of 1,5-bis(4-hydroxy-3-metoxy-phenyl)-penta-1,4-dien-3-one and derivatives with antitumoral properties
09/14/2005EP1572356A1 Heteropolyacid and/or its salt supported catalyst, production process of the catalyst and production process of compound using the catalyst
09/14/2005EP1345885B1 Method for producing cinnamic acid esters
09/14/2005EP1254881B9 Process for producing aryl ether
09/14/2005CN1668572A Intermediate in producing phenoxyacetic acid derivatives and method for using same
09/14/2005CN1668571A Method for producing diol derivatives
09/14/2005CN1668570A Process for production of formylcyclopropanecarboxylic ester compound
09/14/2005CN1668568A Microporous catalyst and method for hydrogenating aromatic compounds
09/14/2005CN1668566A Method for the production of a dicarboxylic acid from acrylic acid
09/14/2005CN1668565A Substituted 1, 3-diphenylprop-2-en-1-one derivatives and preparation and uses thereof
09/14/2005CN1218927C Synthesis of gamma-ethyl bromo-butyrate
09/14/2005CN1218926C Propylene slycol monomethyl ether propionate composition and its preparation method and use
09/14/2005CN1218791C Method and device for extracting organic matter from sulfur-containing slag current
09/13/2005US6943272 Norbornane and norbornene derivatives, use thereof and perfumed products containing same
09/13/2005CA2058553C Preparation of e-oxime ethers of phenylglyoxylic esters
09/10/2005CA2500136A1 Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers
09/09/2005WO2005082833A1 Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
09/09/2005WO2005082832A1 Method of storing (meth)acrylic acid or ester thereof
09/09/2005WO2005082831A1 Method of processing methacrylic-ester-containing solution
09/09/2005WO2005082830A1 Process for the carbonylation of ethylenically or acetylenically unsaturated compounds
09/09/2005WO2005082829A1 Process for the carbonylation of a conjugated diene
09/09/2005WO2005082828A1 Method for the production of (meth)acrylic acid esters
09/09/2005WO2005082827A1 Method of handling hihgly viscous substance
09/09/2005WO2005082527A1 Polyester synthesis with enhanced titanium catalyst composition
09/09/2005WO2004108636A3 Isotopically labeled chemically stable reagents and process for the synthesis thereof
09/09/2005CA2557362A1 Process for the carbonylation of ethylenically or acetylenically unsaturated compounds
09/09/2005CA2557360A1 Process for the carbonylation of a conjugated diene
09/08/2005US20050197505 Reacting glycidoxypropyl heptamethyltrisiloxane with methacrylic acid, anhydride and using a polymerization inhibitor to form 3-(2,3-bis(methacryloyloxypropoxy))propyl heptamethyltrisiloxane; contact lenses
09/08/2005US20050197387 E2,E4,Z8-undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same
09/08/2005DE102004008575A1 Spaltung oligomerer (Meth)acrylsäure in flüssiger Phase unter Druck Cleavage oligomeric (meth) acrylic acid in the liquid phase under pressure
09/08/2005DE102004007776A1 Fatty acid biofuel production by transesterification and esterification is effected using in situ catalyst formation to decrease amounts of added alcohol, alkyl aromatics and/or sulfuric acid required
09/07/2005EP1571139A1 PROCESS FOR PRODUCING a-HYDROXYCARBOXYLIC ESTER
09/07/2005EP1571138A1 Processes for producing (4e)-5-chloro-2-isopropyl-4-pentenoic ester and optically active isomer thereof
09/07/2005EP1569891A2 Continuous ethyl lactate preparation method
09/07/2005EP1569890A1 Method for producing linear or branched fatty acid esters by means of heterogeneously catalysed reactive rectification with an upstream reactor
09/07/2005EP1307421B1 Process for the synthesis of diaryl esters of dicarboxylic acids
09/07/2005EP0970038B2 Process for the carbonylation of ethylene
09/07/2005CN1665495A A process for preparing long chain saturated or unsaturated oxygenated compounds
09/07/2005CN1663943A Method of reclaiming 4- acyl radical methyl benzoate and dimethyl terephthalate
09/07/2005CN1217974C Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
09/07/2005CN1217913C Process for the preparation of alpha-arylalkanoic acids