Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
08/2004
08/18/2004CN1162391C Process to separate linear alkyl 5-formylvalerate
08/18/2004CN1162390C Ethylene recovery system
08/17/2004US6777576 Novel 2-(2'-cyclohexen-1'-yl)-2-hydroxy- 2-phenylacetic acid ester obtained by reacting cyclohexene and benzoylformic acid ester in presence of a lewis acid is hydrolyzed and reduced to give 2-cyclohexyl-2-hydroxy-2-phenylacetic acid
08/17/2004US6777574 Renin-inhibiting properties; antihypertensive agents
08/17/2004US6777573 Method for the synthesis of ceralure B1
08/17/2004US6777567 Ferrocenyl diphosphines and their use
08/12/2004WO2004067492A1 Acetoacetylation of alcohols, thiols and amines in a microreactor
08/12/2004WO2004067491A1 Apparatus for producing hydroxyalkyl (meth)acrylate and process for producing the same
08/12/2004US20040158097 Acylation of zeaxantin and oxidation of product followed by esterification to form a stable product with better bioactivation than salmonid pigmentation
08/12/2004US20040158096 Method for producing (meth)acrylic acid esters
08/12/2004US20040158094 Method for producing tert-butyl esters of aliphatic C1-C4-carboxylic acids
08/12/2004US20040157601 Method for enabling a subscriber entity to actively communicate in a communication network
08/12/2004DE10303581A1 Acetoacetylierung von Alkoholen, Thiolen und Aminen im Mikroreaktor Acetoacetylation of alcohols, thiols and amines in the microreactor
08/12/2004DE10204270B4 Verbessertes Verfahren zur Gewinnung von kristalliner Rosmarinsäure An improved process for the recovery of crystalline rosmarinic acid
08/11/2004EP1445019A1 Hydroformylation of unsaturated compounds using polymeric phosphite ligands
08/11/2004EP1444241A2 Bidendate ligands for the carbonylation of unsaturated compounds
08/11/2004EP1444191A1 Improvements in or relating to a method for transesterifying vegetable oils
08/11/2004EP1444177A1 Extraction of phenolic antioxidants
08/11/2004EP1235644B1 Preparation method utilizing sonication of a vinyl acetate catalyst comprising metallic palladium and gold
08/11/2004EP1142860B1 Intermediates and process for producing fluorine-containing amino acid compound by using the same
08/11/2004CN1520393A Process for producing fluorinated vinyl ether
08/11/2004CN1520392A Process for preparing carboxylic acids and derivatives thereof
08/11/2004CN1519222A Process for prepn. of carboxylic acid esters of 9, 10-dihydroxy
08/11/2004CN1161319C Method for extracting pyrethrin by using subcritical liquified petroleum gas
08/11/2004CN1161318C Transesterification process using lanthanum compound catalysts
08/10/2004US6774267 Reacting a phenol compound with an aldehyde containing dialkoxymethyl or 1,3-dioxolan-2-yl group in presence of a base
08/10/2004US6774083 Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate
08/10/2004CA2154153C Process for the production of plasticizer and polyol esters
08/10/2004CA2116420C Ferrocene diphosphines as ligands for homogeneous catalysts
08/05/2004WO2004065347A1 Esters of allyl substituted by a difluoromethylene group, method for the synthesis thereof and use thereof
08/05/2004WO2004065346A1 Processes for the production of (-)-tetrahydrolipstatin and intermediates thereof
08/05/2004WO2004065336A1 Method for electrolytic micro-cell heterocoupling, using cobalt for producing said coupling and composition therefor
08/05/2004WO2004065335A1 Enantioselective reduction method
08/05/2004WO2004065334A1 Method of removing organotin residue
08/05/2004WO2004050786A3 Method of making methyl ester surfactants
08/05/2004WO2004029186A3 Conjugated linoleic acid compositions
08/05/2004WO2004014550A3 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions
08/05/2004US20040152924 Foring aldehyde from unsaturated compound and carbon monoxide in presence of rhodium-phosphite complex catalyst; distillation
08/05/2004US20040152915 Catalyst for use in producing lower aliphatic carboxylic acid ester, process for producing the catalyst, and process for producing lower aliphatic carboxylic acid ester using the catalyst
08/05/2004US20040152894 simple, efficient
08/05/2004US20040152592 Process for producing carbonyl or hydroxy compound
08/04/2004EP1442779A1 Process for purifying fluoroxy compounds
08/04/2004EP1442566A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
08/04/2004EP1286947B1 Production of tertiary butyl acetate from mtbe
08/04/2004EP1284954B1 Method for the production of esters of unsaturated carboxylic acids
08/04/2004EP1268386B1 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
08/04/2004EP1091802B1 Vinyl acetate catalyst comprising metallic palladium and gold prepared with potassium aurate
08/04/2004CN1518534A Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
08/04/2004CN1518533A Vapor-phase carbonylation of lower alkyl alcohols using tungsten promoted group VIII catalyst
08/04/2004CN1518532A Method for manufacturing lower diphatic carboxylic ester
08/04/2004CN1518531A Process for producing perfluoroving lcarboxylic acid ester
08/04/2004CN1518336A Electronic camera and information equipment and portable information device
08/04/2004CN1517331A Purification method of pravastiatin sodium
08/04/2004CN1160468C Process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives
08/04/2004CN1160328C Reagent, compound and method for nucleophile perfluoroalkylation
08/04/2004CN1160313C Method of producing methoxyimino acetic amide
08/04/2004CN1160305C Mixture of adipic or phthalic acid diesters and isomeric nonanols
08/04/2004CN1160304C Process for preparation of 5-and/or 6-substd. -2-hydroxybenzoic acid esters
08/04/2004CN1160303C Process of acetoxylation of olefins
08/04/2004CN1160302C Ester synthesis
08/04/2004CN1160300C Process for preparation of acetic acid
08/04/2004CN1160292C Process for preparation of alcohol
08/03/2004US6770781 Process for the preparation of alpha-arylalkanoic acids
08/03/2004US6770780 Vinylphenylpropionic acid derivatives, production process therefor, polymer thereof and radiation sensitive resin composition
08/03/2004US6770777 Process for producing 2-alkyl-2-adamantyl ester
08/03/2004US6770775 Reacting acid halides with a cinchona alkaloid catalyst and a base to form intermediate ketenes, which are then reacted with electrophilic halogenating reagents to produce alpha-halo-esters with high enantiomeric excess
08/03/2004US6770463 Process for the preparation of chiral isofluoroenes
07/2004
07/29/2004WO2004063148A1 Indenoncarboxylic acids derivatives and their use for the treatment of and preventing diabetes and dyslipidaemia
07/29/2004WO2004063141A1 Processes for the recovery of optically active diacyltartatic acids
07/29/2004WO2004063140A1 Improved method for the continuous production of alkyl(meth)acrylates with multiple catalyst recycling
07/29/2004WO2004063138A1 Thermal separating method for separating at least one gaseous material flow from at least one liquid material flow, at least one of said flows containing (meth)acrylic monomers
07/29/2004WO2004063137A1 Method for the rectificative separation of fluids containing (meth)acrylic monomers
07/29/2004WO2004063132A1 Novel process for preparing a 5-hydroxy-3-oxo-hexanoic acid derivative
07/29/2004WO2004062771A1 Method of removing tacky substance or waste liquid containing tacky substance
07/29/2004WO2004028689A3 Process for the hydroformylation of an ethylenically unsaturated compound using a bidentate diphosphine composition with a bridging group comprising sp2 hybridized carbon atoms bound to the phosphorous atoms
07/29/2004WO2003029168A3 Mixture of alicyclic polycarboxylic acid esters having a high cis isomer content
07/29/2004US20040147789 Allyl esters substituted by a difluoromethylene group, their process of synthesis and their use, and a process for functionalizing a double bond
07/29/2004US20040147772 Preparation of (meth)acrylic esters
07/29/2004US20040147757 Method for producing allyl compound, and ether or ester compound produced thereby
07/29/2004US20040147740 Method for storing quaternary ammonium salt
07/29/2004US20040147624 Method of deionizing solution yielded by polyester decomposition with ethylene glycol
07/29/2004US20040146454 Process for purifying fluoroxy compounds
07/29/2004DE69912203T2 Verfahren zur inhibierung der polymerisierung von vinylverbindungen A method for inhibiting the polymerization of vinyl compounds
07/29/2004DE10357645A1 Preparation of acrylate or methacrylate esters, used to produce polymer dispersions useful e.g. as adhesives or paints, by esterification or transesterification where the effect of peroxide impurities is suppressed
07/29/2004DE10229963A1 Ester production from naturally-occurring fat and oil involves heating with alcohol and catalyst, with esterification of free fatty acids and generation of triglyceride ester exchange catalyst in first stage
07/28/2004EP1440964A1 Process for production of (meth)acrylic compounds and method of distillation
07/28/2004EP1439885A1 Simplified sarcodictyn derivatives as anti-tumor agents
07/28/2004EP1129058B1 New method for making photocurable halofluorinated acrylates
07/28/2004CN1516621A Regeneration of catalyst for use in production of lower aliphatic carboxylic acid ester and production of lower aliphatic carboxylic acid ester
07/28/2004CN1516619A Catalyst for carboxylic ester production and process for producing carboxylic ester
07/28/2004CN1516618A Tungsten promoted catalyst for carbonylation of lower alkyl alcohols
07/28/2004CN1516553A Taste modifiers comprising chlorogenic acid
07/28/2004CN1515537A Synthesis method of propylene glyco lmethyl ether acetate
07/28/2004CN1159278C Fungicidal methods, compounds and compositions contg. benzophenones
07/28/2004CN1159231C Method and device for treating waste water containing acetic acid
07/27/2004US6768028 Using complex catalyst containing group 8 metal
07/27/2004US6768023 Reacting an ester or salt of nitrous acid with a compound that generates a free radical in the presence of a nitrogen containing cyclic compound containing an n-oxy or -hydroxy imide group; forming oximes, nitro compounds, and ketones
07/27/2004US6768021 Process improvement for continuous ethyl acetate production
07/27/2004CA2155574C Non-acidic palladium-based catalyst system and its use in carbonylation
07/22/2004WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data