Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2003
08/28/2003WO2003070370A1 Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
08/28/2003WO2003070369A1 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and process for producing the same
08/28/2003US20030162998 Heat-treating aqueous slurry of compounds of molybdenum,
08/28/2003US20030162997 Comprises shell-and-tube type reactor packed with catalyst and adapted to circulate heat, wherein gas (containing methacrolein) is injected to retain humidity
08/28/2003US20030162996 Method for isolating polymethyl alkanoic acids and disposal of the resulting wastes
08/28/2003US20030162994 For use in asymmetrical catalysis
08/28/2003US20030162974 Synthesis of oxygen-substituted benzocycloheptenes as valuable intermediate products for the production of tissue-selective estrogens
08/28/2003US20030162851 Methods of making intermediates from polyhydroxyalkanoates
08/28/2003US20030160205 Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the same
08/28/2003CA2476742A1 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
08/27/2003EP1338336A1 Catalysts comprising n-substituted cyclic imides and processes for preparing organic compounds with the catalysts
08/27/2003EP1338318A1 Method of crystallization
08/27/2003EP1337332A1 Catalyst and method for producing maleic anhydride
08/27/2003EP1205241A4 Catalytic composition, method for manufacturing thereof and method for the purification of terephthalic acid
08/27/2003CN1438986A Method for preparing propylene hydro formylation products and acrylic acid and/or acrolein
08/27/2003CN1438985A Cyclic ketones, their preparation and their use in the synthesis of amino acids
08/27/2003CN1438211A Method for preparing conjugate linoleic acid
08/27/2003CN1119339C Method and apparatus for direct oxygen injection with reactant stream into fluidized bed reactor
08/27/2003CN1119324C 3-cyano-2,4.5-trifluoro-benzoyle fluoride and intermediate preparation thereof
08/27/2003CN1119314C Process for preparing salicylic acid by solvent method
08/27/2003CN1119312C Industrial continuous process for preparing o-sodium hydroxy-mandelate
08/27/2003CN1119311C Process for preparation of 3-chloropropionic acid
08/27/2003CN1119205C Process for preparation of improved vanadium-phosphorus catalysts and use thereof for production of maleic anhydride
08/26/2003US6610878 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof
08/26/2003US6610869 Branched, substantially unsaturated ester oils
08/26/2003US6610629 Process for producing an oxide catalyst for oxidation or ammoxidation
08/26/2003US6610177 By hydrolysis of acetone cyanohydrin; thermal conversion apparatus wherein plug flow is maintained by selecting the diameter pipes
08/23/2003CA2473075A1 Process for the manufacture of hmg-coa reductase inhibitory mevalonic acid derivatives
08/21/2003WO2003009936A3 Palladium-catalysed carbon-carbon bond forming reactions in compressed carbon dioxide
08/21/2003US20030158441 Methods of making intermediates from polyhydroxyalkanoates
08/21/2003US20030158440 Method for the selective production of acetic acid by catalytic oxidation of ethane and/or ethylene
08/21/2003US20030158439 Preparation of alkynecarboxylic acids and alkyne alcohol esters of alkynecarboxylic acids by oxidation of alkyne alcohols
08/21/2003US20030158438 Comprised substantially of triethylene alkoxy ester and substantially free from ethylene glycol monoalkoxy monoester and diethylene glycol monoalkoxy monoester; cleaning or detergent compositions
08/21/2003US20030158429 Method for obtaining or recovering sterols and tocopherols
08/21/2003US20030158274 Hydrogenolyzing a polylactone to form a diol.
08/21/2003US20030158054 For use in polymer stabilizers, lubricants, catalysts, oil well formulations, animal nutrition and cosmetics
08/21/2003US20030155298 Mixture of lactic acid and impurities; using basic extractant
08/20/2003EP1336599A1 Process for the preparation of alkynoic acids and alkynoic acid esters via oxidation of alkynols
08/20/2003EP1336598A1 Method for production of methacrylic acid
08/20/2003EP1335911A1 Synthesis of r(+)alpha-lipoic acid
08/20/2003EP1335893A1 Method for producing poly- or monomethylol alkanoic acids
08/20/2003EP1335892A1 Method for producing acetic acid
08/20/2003EP1335880A1 Method for co-precipitating actinides and method for preparing mixed actinide oxides
08/20/2003EP1335793A1 Catalyst comprising a support and a catalytically active oxide material applied to the surface of the substrate
08/20/2003EP1276559B1 Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids, methods of making and using the same
08/20/2003EP1196366B1 Carbonylation reactions
08/20/2003EP1163201B1 Method for producing acrylic acid
08/20/2003EP0934243B1 Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
08/20/2003CN1437569A Alkene oligomerization process
08/20/2003CN1436784A Extractant, extraction process and analysis method of high-activity ginkgo leaf extractive
08/20/2003CN1436771A 3-Cyan-2,4,5-trifluoro-benzene formyl fluorine and intermediate produced therefor
08/20/2003CN1436764A Process for producing methacrylic acid
08/20/2003CN1118326C Preparation of phosphorus/vanadium maleic anhydride catalyst
08/19/2003US6608221 Process for the preparation of (2R)-2-propyloctanoic acid
08/14/2003WO2003066815A2 Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin
08/14/2003WO2003066564A1 Process for producing (r)-3-hydroxy-3-(2-phenylethyl)hexanoic acid and its intermediate
08/14/2003WO2003066563A1 Process for production of optically active 2-halogeno- carboxylic acids
08/14/2003WO2003066562A2 Method for preparing $g(v)-bromoalkylcarboxylic compounds
08/14/2003WO2003066524A1 Metallized mesoporous silicate and method of oxidation with the same
08/14/2003US20030153786 Complex oxide catalyst and process for preparation of acrylic acid
08/14/2003US20030150706 System and method for acetic acid recovery during terephthalic acid production
08/14/2003US20030150705 Cosolvent that is toluene, heptane, 1-heptene, methylcyclohexane, cycloheptane, cycloheptadiene, cycloheptatriene, 2,4-dimethyl-1,3-pentadiene, methylcyclohexene or methylenecyclohexene
08/14/2003CA2475332A1 Process for producing (r)-3-hydroxy-3-(2-phenylethyl)hexanoic acid and its intermediate
08/14/2003CA2475271A1 Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin
08/13/2003CN1436160A Method for production of acrolein or acrylic acid or mixture thereof from propane
08/13/2003CN1435405A Process for synthesis of isobutanoic acid
08/13/2003CN1117723C Process for preparation of aldehyde
08/13/2003CN1117628C Bimetallic catalyst for homogeneous methanol carhonylation and its prepn
08/12/2003US6605743 Continuous process for the preparation of pivaloyl chloride and of aroyl chloride
08/12/2003US6605741 Catalytic reacting acetylene with epoxide
08/07/2003WO2003064420A1 Novel optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor
08/07/2003WO2003064392A1 Process for the manufacture of hmg-coa reductase inhibitors
08/07/2003WO2003064376A1 Substituted methylene amide derivatives as modulators of protein tyrosine phosphatases (ptps)
08/07/2003WO2003064367A1 Process for production of (meth)acrylic acid
08/07/2003WO2003064366A1 Process for production of high-purity crystals of glycolic acid
08/07/2003WO2003064365A1 Process for producing dicarboxylic acid
08/07/2003WO2003064364A1 Process control in production of acetic acid via use of heavy phase density measurement
08/07/2003WO2003064035A1 Method for the oxidative dehydrogenation of ethane
08/07/2003US20030149309 Process for producing fluorinated ketone
08/07/2003US20030149302 Processes for preparing 3.3-dimethylbutyric acid
08/07/2003US20030149301 Method for discontinuous purification of crude acrylic acid by means of crystallization
08/07/2003US20030149300 Gas phase oxidation of methachrolane with carbon dioxide in the presence of phosphorus-molybdenum-vandadium oxide catalyst
08/07/2003US20030149299 Catalytic osmium-assisted oxidative cleavage of olefins
08/07/2003US20030149298 Reacting isobutylene and carbon monoxide in presence of hydrorefining catalyst to form mixture, reacting with water to produce crude acid, then reacting with carbon monoxide in presence of second catalyst
08/07/2003US20030149297 Hydrogenating in presence of rhodium/palladium catalyst, then dehydrating with acetic anhydride; for production of radiation transparent polyimides
08/07/2003US20030149295 Oxidation process for the production of alkenes and carboxylic acids
08/07/2003US20030149103 Pesticidal activity of functionalized cyclopropanes
08/07/2003US20030147815 Administering tri-(or tetra-)iodothyropropionic acid
08/07/2003US20030147788 Conterflow reactor with a bundle of contact tubes
08/07/2003US20030146103 Pyrolysis of fluorinated acyl halide to unsaturated fluorinated ether
08/07/2003US20030146081 Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
08/07/2003CA2474721A1 Novel optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor
08/06/2003EP1333020A2 "(PER)Haloethers"
08/06/2003CN1434019A Process for on-line extracting and concentrating organic acid in organic acid fermentation
08/06/2003CN1434018A Process for preparing carboxylic acid
08/06/2003CN1433843A Method for fixing homogeneous catalyst and catalyst material
08/06/2003CN1117157C Process of preparing organic acid
08/06/2003CN1117061C Process for preparation of cyclopropane carboxylic acids and intermediates therefor
08/06/2003CN1117060C Process for purifying acrylic acid
08/06/2003CN1117059C Iridium-catalysed carbonylation process for production of acetic acid