Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/2003
10/09/2003WO2003082780A1 Oligomerization of olefins
10/09/2003WO2003082464A1 Fatty acid isomerization with mesoporous zeolites
10/09/2003US20030191344 Production process for unsaturated aldehyde
10/09/2003US20030191343 Catalytic gas phase oxidation process
10/09/2003US20030191339 Comprises carbon monoxide and nucleophilic compound comprising palladium, phosphine, and polyethyleneimine
10/09/2003US20030191336 Zn and/or Ga promoted multi-metal oxide catalyst
10/09/2003US20030191331 Fatty acid isomerization with mesoporous zeolites
10/09/2003US20030191330 Skeletal isomerization of alkyl esters and derivatives prepared therefrom
10/09/2003US20030191324 A N,O-bis(diphenylphosphino)-2-azetidine derivatives, a transition metal complex for use as hydrogenation catalysts
10/09/2003CA2480152A1 Methods of manufacturing derivatives of .beta.-hydroxycarboxylic acids
10/09/2003CA2479466A1 Oligomerization of olefins
10/08/2003EP1350786A1 Process for production of dicarboxylic acids
10/08/2003EP1350784A1 Process for production of unsaturated aldehyde or acid using Mo-Bi-Fe catalyst
10/08/2003EP1350566A2 Process for the preparation of unsaturated aldehydes and/or carboxylic acids by gas phase oxidation using a Mo-V based catalyst
10/08/2003EP1349845A1 Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor
10/08/2003EP1349827A1 Method of producing branched fatty substances
10/08/2003EP1349826A1 Continuous method for the production and purification of (meth)acrylic acid
10/08/2003EP1349825A1 Improved process for producing carboxylic acids
10/08/2003EP1349824A1 Method for increasing oxidation reactor production capacity
10/08/2003CN1447787A Fluorinated alkanoic acid purification process
10/08/2003CN1447785A Method for vapour-phase partial oxidation aromatic hydrocarbons
10/08/2003CN1447784A Process for prepn. of fluorinated ketones
10/08/2003CN1446790A Medicinal grade ferrum citricum iron-59 citrate and its preparation method
10/08/2003CN1123561C Method for selectively producing acetic acid through catalytic oxidation of ethane
10/08/2003CN1123370C Method of separating methanol and ethyl acetate
10/07/2003US6630603 reduced-pressure distillation of a concentrated lactic acid solution having a total acid content of at least 95 wt % and a content of monomeric lactic acid of at least 80 wt %, based on the concentrated lactic acid solution, crystallization
10/07/2003US6630293 Method for producing silver salt of organic acid and photothermographic material utilizing the same
10/02/2003WO2003080602A1 Maleic acid salt of (2s)-n-{5-[amino(imino)methyl]-2-thienyl}methyl-1-{(2r)-2-[(carboxymethyl)amino]3,3-diphenylpropanoyl}-2-pyrrolidine carboxamide and a process for
10/02/2003WO2003080542A2 Method for producing 3-hydroxy-2-methylbenzoic acid
10/02/2003WO2002094760A3 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives
10/02/2003US20030187304 Production of benzaldehyde, catalyst selectivity, benzyl bromide by-product inhibition, halogen-free
10/02/2003US20030187300 From Lactobacillus fermentation, purification
10/02/2003US20030187299 Method for producing acrolein and/or acrylic acid
10/02/2003US20030187298 Method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane
10/02/2003US20030187297 Methods for producing unsaturated carboxylic acids and unsaturated nitriles
10/02/2003US20030187296 Alkenylation, hydrogenation by starting acetoxycyclopent-2-en-1-one compound, removing acetoxy group, to form 3-alkylcyclopentanone; chemical intermediates for the synthesis of gabapentin
10/02/2003US20030187280 (Per) haloethers
10/02/2003US20030187233 Perfluoroisopropybenzene derivative
10/02/2003US20030182848 Diesel fuel additive compositions for improvement of particulate traps
10/02/2003CA2479893A1 Maleic acid salt of (2s)-n-{5-¬amino(imino)methyl|-2-thienyl}methyl-1-{(2r)-2-¬(carboxymethyl)amino|3,3-diphenylpropanoyl}-2-pyrrolidine carboxamide and a process for preparing the same
10/01/2003EP1348687A1 Selective liquid phase air oxidation of toluene catalysed by composite catalytic system
10/01/2003EP1202996B1 Titanium derived compounds, preparation and use thereof
10/01/2003EP0973724B1 Novel process for the preparation of (+/-)3- (3,4-dichlorophenyl)-2- dimethylamino-2-methylpropan-1-ol or cericlamine (inn)
10/01/2003EP0973717B1 Water separation process
10/01/2003EP0971870B1 Production of terephthalic acid
10/01/2003CN1122564C Process for preparing catalyst
09/2003
09/30/2003US6627770 Using Group 8 metal catalyst and alkyl halide promoter; flashing, separation; contacting with crosslinked polyvinylpyridine or polyvinylpyrrolidone
09/30/2003US6627768 Process for recovery of acid
09/30/2003US6627047 Method for preventing polymerization in thin-film type evaporating device
09/25/2003WO2003078519A2 Liquid overbased mixed metal stabilizer composition
09/25/2003WO2003078379A1 AMORPHOUS Hmg-CoA REDUCTASE INHIBITORS OF DESIRED PARTICLE SIZE
09/25/2003WO2003078378A1 (meth)acrylic acid crystal and method for the production and purification of aqueous (meth)acrylic acid
09/25/2003WO2003078377A1 Oxidation of o-xylol to form o-toluic and other oxidation products by the controlled supply of an oxygen-containing gas
09/25/2003WO2003078369A1 Oxidation of o-xylol to form o-toluic acid and other oxidation products by the staggered supply of an oxygen-containing gas
09/25/2003WO2003078310A2 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen
09/25/2003WO2003078059A1 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof
09/25/2003WO2003078058A1 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof
09/25/2003WO2003078057A1 Catalyst and method for producing maleic anhydride
09/25/2003WO2003078015A1 Apparatus and method for purifying easily polymerizable substance
09/25/2003WO2003016252A3 Alkyl aromatic aldehydes
09/25/2003WO2003005010A3 Method for producing optically active cyanohydrins
09/25/2003WO2002024690A3 Efficient process for the preparation of a factor xa inhibitor
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
09/25/2003US20030181762 Method for the production of acrolein or acrylic acidk or the mixutre thereof from propane
09/25/2003US20030181761 Gas-phase catalytic oxidation of acrolein in presence of a multi-phase metal oxide catalyst to form acrylic acid; dispersing second phase precursor in first phase plastically deformed precursor of metal oxides, drying, and calcining
09/25/2003US20030181760 Liquid phase reaction system is a reaction system in which methanol and carbon monoxide are reacted in the presence of a carbonylation catalytic system to produce acetic acid
09/25/2003US20030181759 Reacting a benzoic acid with a halogenating agent in presence of palladium catalyst to form halogenated benzoic acid or derivatives
09/25/2003US20030181758 Liquid phase oxidation of halo-ortho-xylene in presnce of an oxidation catalyst containing cobalt bromide/manganese bromide and bromide of zinc or hafnium to form halophthalic acid, dehydrating the intermediate to anhydride
09/25/2003US20030181757 Liquid phase oxidation of halogenated ortho-xylenes
09/25/2003US20030181756 Method for the manufacture of chlorophthalic anhydride
09/25/2003US20030181755 Process for the purification of aromatic carboxylic acids
09/25/2003US20030181735 Catalyzing the oxidation of xylene, naphthalene over two different fixed-bed catalysts, process control, temperature control by heat exchanging
09/25/2003US20030181490 For therapy and prophylaxis of acquired immune deficiency syndrome (AIDS), or ARC
09/25/2003US20030180642 Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images
09/24/2003EP1346980A1 Process for producing fluorosulfonyl fluoride compound
09/24/2003EP1346975A1 Aromatic carboxylic acids, acid halides thereof and processes for preparing both
09/24/2003EP1346766A1 Alkane oxidation catalyst, process for producing the same, and process for producing oxygen-containing unsaturated compound
09/24/2003EP1346757A1 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/24/2003EP1345886A1 Method for producing higher (meth)acrylic acid esters
09/24/2003EP1345885A1 Method for producing cinnamic acid esters
09/24/2003EP1345882A2 Method for producing (meth)acrylic acid
09/24/2003EP1345881A1 Method for rapidly cooling a hot gas mixture containing (meth)acrylic acid
09/24/2003EP1345880A1 Method for preparing carboxylic acids by palladium carbonylation
09/24/2003EP1345689A2 Method for producing a multi-metal oxide active material containing mo, bi, fe and ni and/or co
09/24/2003CN1444556A Process for preparation of fluorinated acyl fluorides and fluorinated vinyl ethers
09/24/2003CN1444555A Method for oxidising hydrocarbons, alcohols and/or ketones
09/24/2003CN1444554A Method for catalystically producing organic substances by partial oxidation
09/24/2003CN1444503A Method of recovering fluorochemical surfactant
09/24/2003CN1443747A Method for synthesizing 4-alkyl cyclohexyl acetic acid
09/24/2003CN1443746A Method for producing potassium formate
09/24/2003CN1122015C Prepn. of cobalt acetate
09/24/2003CN1121907C Coating catalyst for catalytic gaseous phase oxidation of aromatic hydrocarbons
09/23/2003US6624326 Method for preparing heteropolyacid catalyst and method for producing methacrylic acid
09/23/2003US6624315 Method of gas phase catalytic oxidation to give maleic acid anhydride
09/23/2003US6624114 Reduced pressure build-up in the reactor by providing two notches each in the upper and lower end face of the ring, the pressure drops can be reduced by about 30% without resulting in a significant loss of coatable surface
09/23/2003US6624111 Halogen promoted multi-metal oxide catalyst
09/18/2003WO2003076385A1 Method for cleaning plate columns used for rectifying liquids containing (meth)acrylic acid and/or the esters thereof
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
09/18/2003WO2003076380A1 Process for producing (meth)acrylic acid
09/18/2003WO2003076373A1 Process for catalytic vapor phase oxidation
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