Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
04/2003
04/08/2003US6545175 Ester compounds and their use in forming acrylates
04/08/2003US6545165 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
04/08/2003US6545120 Transesterification of a polyvalent alkyl ester of a polybasic acid having an alicyclic structure with an allyl alcohol and/or a methallyl alcohol; reacting product with a glycol to form polyester with allyl end groups
04/08/2003US6544924 For producing ethylenically unsaturated acids or esters thereof, particularly methacrylic acid or alkyl methacrylates
04/08/2003US6544591 Tartaric acid diesters as biodegradable surfactants
04/03/2003WO2003027055A1 3,4,5-trimethoxy phenyl-based ester compound and preparation method thereof and whitening cosmetic composition containing the same
04/03/2003WO2003027052A2 Method for making a substantially pure mixture of cyclododecanediol isomers and uses thereof
04/03/2003WO2001007392A9 Method for the continuous production of methyl formiate
04/03/2003US20030065229 Bactericides; oxidation resistance; antiinflammatory agents; antitumor agents
04/03/2003US20030065217 Method for carbonylation of lower aliphatic alcohols using tin promoted iridium catalyst
04/03/2003US20030065212 Reacting acetoacetate with 1,3-dichloroethane
04/03/2003US20030065202 Method and apparatus for preparing fatty acid esters
04/03/2003US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
04/03/2003US20030065181 Novel chiral phosphorus ligands and the use thereof in the production of optically active products
04/03/2003DE10138776C1 Dimethyl terephthalate production by Witten catalytic oxidation of p-xylene and methyl p-toluate includes hydrolysis of methyl formate and acetate and separation of dispersed water before recycling organic phase
04/02/2003EP1298192A1 Method and apparatus for preparing fatty acid esters
04/02/2003EP1298136A2 Chiral monophosphorus compounds
04/02/2003EP1298121A1 Bis(cis-3,3,5-trimethylcyclohexyl) phthalate, process for producing the same, and thermoplastic resin composition
04/02/2003EP1296994A1 Ferrocenyl diphosphines and their use
04/02/2003EP1296928A1 A process for the purification of diacerein
04/02/2003EP1296926A1 Method for producing blends of phthalic acid diesters, decanols and tridecanols
04/02/2003EP1296925A1 Process for the production of vinyl acetate
04/02/2003EP1296924A1 Method for producing a non-fatty softener based on wax-esters
04/02/2003CN1104281C Vinyl acetate catalyst comprising palladium, gold, copper and any of certain fourth metals
04/01/2003US6541660 Chemical intermediates for vitamin A biosynthesis
04/01/2003US6541659 Process for acyl substitution of anhydride by vanadyl salt catalyst
04/01/2003US6541658 Process for synthesis of (meth) acrylic acid esters by transesterification in the presence of mixed catalysts containing alkali metal cyanate or thiocyanate
04/01/2003US6541656 Reacting an alpha, beta unsaturated carboxylic acid ester with a heterocyclic oxygen nitrogen, or sulfur compound
04/01/2003US6541655 Catalytic compositions and methods for asymmetric allylic alkylation
04/01/2003US6541511 Treatment and prophylaxis of hypercholesterolemia and of various cardiac disorders.
04/01/2003US6541414 For preparing an 1,3-alkanediol through carbonylation of an epoxide derivative
04/01/2003CA2405623A1 Chiral monophosphorus compounds
04/01/2003CA2070551C Polymerization inhibitors for acrylic acids and esters
03/2003
03/27/2003WO2003026260A1 Process, arrangement, devices for seizure of a shared telephone line
03/27/2003WO2003026242A1 A digital implementation of multi-channel demodulators
03/27/2003WO2003024915A1 A process for the preparation of 3-aryl-2-hydroxy propanoic acid derivatives
03/27/2003WO2003024914A1 Manufacture of allyl esters of tertiary alkane carboxylic acids
03/27/2003WO2003024529A1 Simplified sarcodictyn derivatives as anti-tumor agents
03/27/2003WO2002098854A3 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors
03/27/2003US20030060660 Method for carbonylation of lower alkyl alcohols using tungsten promoted group VIII catalyst
03/27/2003US20030060655 Efficiency
03/27/2003US20030060654 Preparation of polymerizable compounds
03/27/2003US20030060642 So that any ethylene entrapped in the purge stream of the alkene derivative process can be effectively recovered through ethylene process portion of the integrated process
03/27/2003US20030060633 Asymmetric synthesis of kavalactones
03/27/2003US20030059197 Peripheral for portable viewing apparatus and broadcasting viewing system
03/27/2003DE10133743C1 Verfahren zur Herstellung von Citronensäureestern A process for the production of citric acid esters
03/27/2003CA2460244A1 Simplified sarcodictyn derivatives as anti-tumor agents
03/26/2003EP1295862A1 Intermediate and process for producing fluorinated carboxylic acid derivative from the same
03/26/2003EP1294673A2 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
03/26/2003EP1294657A2 Catalysis using phosphine oxide and sulfoxide compounds
03/26/2003EP1200452B1 Novel chiral phosphorus ligands and the use thereof in the production of optically active products
03/26/2003EP1100759B1 Transition metal complexes as linkers
03/26/2003EP1028936B1 Sulfur removal process from an acrylate stream
03/26/2003EP0988275B1 Vinyl acetate process utilizing a palladium-gold-copper catalyst
03/26/2003EP0912468B1 Monomer recovery process for contaminated polymers
03/26/2003EP0874870B1 Process for the preparation of polyglycol(meth)acrylates
03/26/2003CN1406221A Preparing method of alpha-keto carboxylic acid derivatives
03/26/2003CN1405140A Method of esterifying in ion liquid [Hmim]+ BF4-
03/25/2003US6538164 Optionally pretreating aqueous solution, mixing stripping agent with solution, separating volatile compounds from solids present in solution by rapid separation, isolating volatile compound from vapor product
03/25/2003US6538154 Condensing aldehydes with carboxylic anhydrides in the presence of a catalyst, wherein catalysts, or catalyst mixtures, comprise iron(III) salts to produce cinnamic esters and/or cinnamic acids
03/25/2003US6538146 Method for producing fatty acid esters of monovalent alkyl alcohols and use thereof
03/25/2003US6537944 Tungsten promoted catalyst for carbonylation of lower alkyl alcohols
03/25/2003US6537467 Such as hydroquinone and/or 4-hydroxy-2,2,6,6-tetramethyl-piperidine grafted onto silica as polymerization inhibitors
03/25/2003CA2201723C Colchicine derivatives and the therapeutical use thereof
03/20/2003WO2003022964A1 Method for producing conjugated fatty acid esters
03/20/2003WO2003022794A2 Hydroxy-functional esters having terminal acrylate groups
03/20/2003WO2003022793A1 Method for producing (meth)acrylic acid esters
03/20/2003WO2003022790A2 Biphenylene compounds
03/20/2003WO2003022787A1 Method for preparing unsaturated fatty hydroxy-acids and esters thereof, their use in pharmaceutical and/or cosmetic compositions
03/20/2003WO2003022431A1 Photooxidation catalysts and process for preparation of aldehydes
03/20/2003WO2003004455A3 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
03/20/2003WO2002102508A3 Regeneration of catalyst for use in production of lower aliphatic carboxylic acid ester and production of lower aliphatic carboxylic acid ester
03/20/2003WO2002064249A3 Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
03/20/2003US20030056221 Digital implementation of multi-channel demodulators
03/20/2003US20030055281 Palladium-based catalysts
03/20/2003US20030055279 Process for the preparation of benzyl carboxylates
03/20/2003US20030055208 Methods for the preparation of propylene glycol fatty acid esters
03/20/2003US20030055203 Production of alicyclic (meth)allyl esters for plastic lens compositions
03/20/2003US20030054951 Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols
03/20/2003US20030054950 Tungsten promoted catalyst for carbonylation of lower alkyl alcohols
03/20/2003US20030054945 Catalyst for use in producing lower aliphatic carboxylic acid ester, process for producing the catalyst, and process for producing lower aliphatic carboxylic and ester using the catalyst
03/20/2003US20030053964 Process for the preparation of hydroxybenzoic benzyl esters
03/20/2003US20030052310 Perfluorinated amide salts and their uses as ionic conducting materials
03/20/2003CA2460198A1 Hydroxy-functional esters having terminal acrylate groups
03/20/2003CA2459760A1 Method for preparing unsaturated fatty hydroxy-acids and esters thereof, their use in pharmaceutical and/or cosmetic compositions
03/19/2003EP1293495A1 Process for the preparation of bromoisophthalic acid compounds
03/19/2003EP1292561A1 Process for the preparation of cyclopropyl carboxylic acid esters and derivatives
03/19/2003EP1292560A1 Method for preparing hydroxyphenyl carboxylic acid esters
03/19/2003EP1292555A2 Catalytic hydrogenation of ketones and aldehydes
03/19/2003EP0984914B1 Substituted 2-(3-alkenyl-benzoyl)-cyclohexane-1,3-diones
03/19/2003EP0854131B1 Process for the preparation of alkyl carboxylates
03/18/2003US6534679 From fermentation broth
03/18/2003US6534676 Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same
03/18/2003US6534672 Fluid bed vinyl acetate catalyst
03/18/2003US6534671 Photocurable halofluorinated acrylates
03/18/2003US6534657 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
03/18/2003US6534625 Process for producing hydroxyalkyl (meth)acrylate
03/18/2003US6534438 Catalyst composition
03/18/2003US6534434 Chiral imidazolidinone-based catalyst composition and reaction system
03/18/2003US6533936 Method for separation of optical isomers
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