Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
09/2003
09/18/2003WO2003055838A8 Integrated process for the manufacture of alkenyl carboxylates
09/18/2003WO2003053906A3 Alkyl-capped alkoxylated esters and compositions comprising same
09/18/2003WO2003020859A3 Method for hardening unsaturated fatty substances
09/18/2003WO2002102742A3 Method for the catalytic oxidative separation of cyclic saturated and unsaturated compounds
09/18/2003WO2001047837A3 Carbonylation process
09/18/2003US20030176737 Process for the catalytic cleavage of lactones
09/18/2003US20030176736 Lactic acid processing; methods; arrangements; and, products
09/18/2003US20030176734 Halogen promoted multi-metal oxide catalyst
09/18/2003US20030176732 Process for the preparation of carboxylic acids from aliphatic alcohols
09/18/2003US20030176721 Method for the production of trifluoroethoxy-substituted benzoic acids
09/18/2003US20030176716 Oxidation of o-xylene in the presence of a catalyst; locating upstream of the separator a heat exchanger through which a cooling medium flows, and hot reaction gas being passed through exchanger for interaction with cooling medium
09/18/2003US20030176715 Method for the vapour-phase partial oxidation of aromatic hydrocarbons
09/18/2003US20030176507 Optically resolving racemic 3-hydroxy-3-(2-phenylethyl)hexanoic acid using an optically active amine compound
09/18/2003US20030176495 HIV Integrase inhibitors
09/18/2003US20030175159 Comprises optical line detector/camera
09/18/2003US20030173310 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/17/2003EP1344813A1 Fuel additive compositions for diesel engine equipped with a particulate trap
09/17/2003EP1344812A1 Overbased metallic salt diesel fuel additive compositions for improvement of particulate traps
09/17/2003EP1344811A1 Iron salt diesel fuel additive composition for improvement of particulate traps
09/17/2003EP1344810A1 Fuel additive compositions for diesel engine equipped with a particulate trap
09/17/2003EP1344809A1 Diesel fuel additive compositions for improvement of particulate traps
09/17/2003EP1343744A2 Method for producing alcohols by hydrogenating carbonyl compounds
09/17/2003EP1165481B1 Process for the oxidation of cycloalkanes, cycloalcohols and/or cycloketones
09/17/2003EP1150759B1 Method and device for purifying substances by means of crystallisation
09/17/2003EP1131275B1 Method of producing phthalic acid anhydride
09/17/2003EP0910560B1 Process for preparing 2-aryl-substituted indenes
09/17/2003CN1443153A Process for preparation of enantiomerically pure pyrethroid insecticides
09/17/2003CN1443152A production of aromatic carboxylic acids
09/17/2003CN1443151A Method for producing acrylic acid by heterogeneously catalysed gas-phase oxidation of propane
09/17/2003CN1121385C Haphthyl compounds, intermediates, compositions and methods of use
09/17/2003CN1121378C Method for making alpha, beta unsaturated beta trifluoromethyl carboxylates and related compounds
09/17/2003CN1121377C Process for producing 2-hydroxynaphthalene-3, 6-dicarboxylic acid
09/17/2003CN1121373C Purification process acrylic acid and methacrylic acid
09/17/2003CN1121372C Method for separating (methyl) propenoic acid from mixture
09/17/2003CN1121371C Continuous process for preparation of pivaloyl chloride and aroyl chloride
09/17/2003CN1121370C Iridium-catalysed carbonylation process for production of acetic acid
09/17/2003CN1121260C Improved reactor system
09/16/2003US6620968 High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids
09/16/2003US6620966 Subjecting poly-alkyl aromatic hydrocarbon to liquid-phase oxidation in presence of catalyst, promoter and acetic acid in water, oxygen; continuously taking out aromatic carboxylic acids, exhaust gases; separation
09/16/2003US6620949 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
09/16/2003US6620948 Vapor phase catalytic oxidation of hydrocarbons
09/12/2003WO2003074474A2 Multiple-component solid phases containing at least one active pharmaceutical ingredient
09/12/2003WO2003074464A1 Process for production of optically active carboxylic acid
09/12/2003WO2003074463A1 Aldehyde conversion method using a molecular sieve and the use of the molecular sieve as a catalyst in said method
09/12/2003CA2477923A1 Multiple-component solid phases containing at least one active pharmaceutical ingredient
09/11/2003WO2003074454A1 Alkene separation process
09/11/2003US20030171616 Process for producing acyl fluoride and carboxylic acid salt
09/11/2003US20030171615 Process for purifying an organic acid
09/11/2003US20030171614 Method for producing alpha-hydroxycarboxylic acid
09/11/2003US20030168405 Subjecting aqueous solution containing the fluorochemical surfactant which solution is resulting from a polymerizing a fluoromonomer to filtration with reverse osmosis membrane for recovering a fluorochemical surfactant
09/10/2003EP1341751A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE
09/10/2003EP1341750A1 Method for the carbonylation of pentenoic acid and derivatives thereof
09/10/2003EP1341743A2 Organic reactions with co generating materials
09/10/2003EP1196370B1 Process for the preparation of 5- and/or 6-substituted-2-hydroxybenzoic acid esters
09/10/2003EP1032557B1 Method for preparing bromomethyl-biphenyl derivatives
09/10/2003EP0906414B1 Process for the preparation of a granular microbial biomass and isolation of valuable compounds therefrom
09/10/2003CN1441775A Hiv整合酶抑制剂 Hiv integrase inhibitors
09/10/2003CN1441768A Retardation of discolouration of dicarboxylic acids
09/10/2003CN1441767A Method for selective production of acetic acid by catalystic oxidation of ethane and/or ethylene
09/10/2003CN1441766A Method for producing acrolein and/or acrylic acid
09/10/2003CN1440834A Catalyst for synthesizing unsaturated aldehyde and its preparing method, and process for preparing unsaturated aldehyde
09/10/2003CN1120747C Recovery process for oxidation catalyst in manufacture of aromatic carboxylic acid
09/09/2003US6617472 Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate
09/09/2003US6617471 Forming ester from alcohol and carbon monoxide; vapor phase using catalyst
09/09/2003US6617414 Polymerizable to polybenzothiazoles and polybenzoxazoles; storage stability; high strength, heat resistant fibers and films; white particles of specific size
09/04/2003WO2003072544A1 Crystalline anhydrous and monohydrate benzoate salts of (2's,3s)-3-hydroxy-n-{2{n-methyl-n-4-(n-propylamino-carbonyl)phenyl]amino-2-phenyl}-ethylpyrrolidine
09/04/2003WO2003072236A1 Method and apparatus for controlling feed of gaseous reaction component
09/04/2003WO2003046114A3 Method for commercial preparation of conjugated linoleic acid using spent alkali transesterification catalyst
09/04/2003US20030166969 Esterification od an alcohol with acid chloride; liquid phase fluorination; spitting to form fluorinated ketone
09/04/2003US20030166968 Controlling temperature during crystallization
09/04/2003US20030166967 Method for oxidising hydrocarbons into acids
09/04/2003US20030166963 Using tertiary amine catalyst
09/04/2003US20030166727 Antiinflammatory agents having analgesic, antianxiety, anticonvulsive, neuroprotective, antipsychotic and anticancer activity
09/04/2003CA2477634A1 Crystalline anhydrous and monohydrate benzoate salts of (2's,3s)-3-hydroxy-n-{2{n-methyl-n-4-(n-propylamino-carbonyl)phenyl]amino-2-phenyl}-ethylpyrrolidine
09/03/2003EP1340538A1 Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst
09/03/2003EP1339754A1 Multicomponent compositions containing chitosan and methods of preparing same
09/03/2003EP1339664A1 Production of butane tetracarboxylic acid derivatives by means of coupled electrosynthesis
09/03/2003EP1140763B1 Process control method in acetic acid production
09/03/2003EP1056709B1 A process for the preparation of cyclopropane carboxylic acids
09/03/2003EP0928185B1 Compositions and uses thereof
09/03/2003CN1440379A Preparation of (R)-2-alkyl-3-phenylpropionic acids
09/03/2003CN1440377A Retardation of discolouration of dicarboxylic acids
09/03/2003CN1440373A Process for the catalytic oxidation of hydrocarbons
09/03/2003CN1439628A Ferulaic acid esters and preparation and application thereof
09/03/2003CN1439626A Conjugated linoleic acid production
09/03/2003CN1120149C Process for preparing i(O)-(carboalkoxy) phenylmethanesulfonyl chloride derivatives
09/03/2003CN1120041C Reactor comprising contact tube bundle
09/02/2003USH2082 Oxidized normal paraffinic products and their application
09/02/2003US6613948 Reacting the corresponding chlorobenzene or (chloro, fluoro)-benzene derivatives with potassium fluoride in solvent; distillation; tetrachloro benzotrifluoride, -benzoyl fluoride, or -benzonitrile as starting materials
09/02/2003US6613941 Method for recovering fluorinated alkanoic acids from waste waters
09/02/2003US6613940 Shell-and-tube reactor adapted to circulate a heating medium; heat exchanging; acrolein from propylene
09/02/2003US6613938 Method for carbonylation of lower aliphatic alcohols using tin promoted platinum catalyst
09/02/2003US6613929 Reacting a corresponding chloroformate of with an alkali metal fluoride in ethylene carbonate at a temperature wherein the ethylene carbonate is liquid; much shorter reaction times
09/02/2003US6613914 Process for preparing 1, 5-diaryl-3-substituted pyrazoles
09/02/2003US6613196 Lowering the inner oxygen concentration of column handling easily polymerizable compound containing solution below the limit of oxygen concentration by supplying an inert gas
08/2003
08/28/2003WO2003070717A1 Process for the manufacture of hmg-coa reductase inhibitory mevalonic acid derivatives
08/28/2003WO2003070681A1 Process for the production of metal salts of radical-polymerizable compounds
08/28/2003WO2003070680A1 Method for producing phthalic anhydride
08/28/2003WO2003070679A1 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
08/28/2003WO2003070677A1 Fluorination of dicarbonyl compounds