Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2003
11/04/2003US6641734 Process for purifying an organic acid
11/04/2003US6641700 Purifying apparatus possessing vapor dispersing device
10/2003
10/30/2003WO2003089418A1 Indane acetic acid derivatives and their use as pharmaceutical agents
10/30/2003WO2003089399A1 Improvements in or relating to separation technology
10/30/2003WO2003089397A1 Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation
10/30/2003WO2003089393A1 Liquid vegetable unsaturated alcohol and process for producing the same
10/30/2003WO2003040149A3 Asymmetric catalysis based on chiral phospholanes and hydroxyl phospholanes
10/30/2003WO2003035636A3 Process for the preparation of 3 - isochromanone
10/30/2003WO2003013610A3 Surfactant compounds and uses thereof
10/30/2003US20030204111 Ir and/or Sm promoted multi-metal oxide catalyst
10/30/2003US20030204110 Increasing yield by back cracking oligomeric carboxylic acids to pivalic acid or methyl pivalate
10/30/2003US20030204107 Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate
10/30/2003US20030204106 Method for decomposition of Michael type adduct
10/30/2003US20030204102 With hydrogen/oxygen mixture using catalyst containing silver; catalyst selectivity
10/30/2003US20030204099 Process for producing a fluorine-containing compound by liquid phase fluorination
10/30/2003US20030203964 Process for producing medicaments which comprise HMG CoA reductase inhibitors
10/30/2003US20030203812 For dehydrogenation of alcohols
10/30/2003CA2483191A1 Extraction process for separation of lipophilic compounds from urea-containing solutions
10/30/2003CA2482714A1 Indane acetic acid derivatives and their use as pharmaceutical agents
10/30/2003CA2477448A1 Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation
10/29/2003EP1357106A1 Method of synthesizing alpha-ketol unsaturated fatty acid
10/29/2003EP1357105A1 Decomposition of a Michael type adduct of acrylic acid or acrylic acid ester
10/29/2003EP1276558B1 Process for the oxidation of ethane to acetic acid and ethylene
10/29/2003EP1244609B1 Preparing method of 2-phenylalkanoic acid derivatives
10/29/2003EP1169289B1 Method for producing derivatives of biphenyl-2-carboxylic acid
10/29/2003EP1159244B1 Method for the catalytic gas phase oxidation of propene into acrolein
10/29/2003CN1452626A Direct synthesis of tin (Ôàí) carboxylates and tin (TV) carboxylates from elemental tin or tin oxides
10/29/2003CN1452607A Integrated process for production of vinyl acetate
10/29/2003CN1452606A Process for production of vinyl acetate
10/29/2003CN1451478A Method for reactivating catalyst for production of methacrylic acid
10/28/2003US6639106 Process for preparing and purifying acrylic acid from propylene having improved capacity
10/28/2003US6639095 Process for preparing optically active α-hydroxy acids and derivatives thereof
10/28/2003US6639092 Used as charge control agent for an electrophotographic toner and image fixing modifier for inkjet recording paper
10/28/2003US6639090 For use in polymer stabilizers, lubricants, catalysts, oil well formulations, animal nutrition and cosmetics
10/28/2003US6638891 Molybdenum and vanadium based catalysts for the oxidation of alkanes to carboxylic acids and olefins
10/28/2003US6638890 Vapor phase oxidation using (meth)acrolein using mixed oxide catalyst on supports
10/28/2003US6638721 Human protein kinases and uses therefor
10/28/2003CA2099200C Carbonylation of epoxides
10/23/2003WO2003087029A1 PROCESS FOR PRODUCING α-HYDROXYCARBOXYLIC ACID COMPOUND
10/23/2003WO2003087028A1 A method of making salt
10/23/2003WO2003087027A1 A method for the direct hydrolysis of fatty acid esters to the corresponding fatty acids
10/23/2003WO2003087025A1 Method for producing ethers, esters or acid anhydrides
10/23/2003WO2003049832A8 Extraction and winterization of lipids from oilseed and microbial sources
10/23/2003US20030199711 Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation
10/23/2003US20030199709 Process for the preparation of enantiomerically pure pyrethroid insecticides
10/23/2003DE10206321C2 Verfahren zur Gewinnung von chemischen Rohstoffen aus Polyestern A process for the production of chemical raw materials of polyesters
10/23/2003CA2481222A1 Method for producing ethers, esters or acid anhydrides
10/22/2003EP1354905A2 Method for producing ether-carboxylic acids having low pour point
10/22/2003EP1354866A1 Process for producing alkanedicarboxylic acid
10/22/2003EP1354865A1 Process for the preparation of aromatic aldehydes via ozonolysis of aromatic alkenes
10/22/2003EP1353892A2 Heterogenically catalysed gas-phase partial oxidation method for precursor compounds of (meth)acrylic acid
10/22/2003EP1353750A1 Stable free nitroxyl radicals as oxidation catalysts and process for oxidation
10/22/2003EP1203003B1 Process for purifying 2-keto-l-gulonic acid
10/22/2003EP1032566B9 Method for the preparation of citalopram
10/22/2003EP0976702B1 Method for inhibiting polymerization of a vinyl compound
10/22/2003CN1450987A Improved method for producing symmetrical anhydrides
10/22/2003CN1450045A Raw material for extracting gamma-linolenic acid and method thereof
10/21/2003US6635775 Reduced odor esters and process for producing same
10/21/2003US6635148 Method for refining easily polymerizable matter-contained substance and apparatus therefor
10/21/2003US6634575 Birch bark processing and the isolation of natural products from birch bark
10/21/2003CA2252437C Process for manufacturing sulphates of longer chain branched alkanols and alkoxylated alkanols
10/16/2003WO2003084916A2 Compounds that modulate ppar activity and methods for their preparation
10/16/2003WO2003084914A1 Method for the production of 2,4,5-trimethylphenyl acetic acid
10/16/2003WO2003084913A2 Method for making carboxylic acids
10/16/2003WO2003046114A8 Method for commercial preparation of conjugated linoleic acid using spent alkali transesterification catalyst
10/16/2003WO2003026582A3 Method of preparing phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof via a dicarboxylate intermediate
10/16/2003US20030195374 Work-up of residues in the preparation of carboxylic acids
10/16/2003US20030194388 Process for the preparation of ether carboxylic acids with a low setting point
10/15/2003EP1352892A1 Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether
10/15/2003EP1352891A1 A method for the direct hydrolysis of fatty acid esters to the corresponding fatty acids
10/15/2003EP1351922A2 6-substituted indanoyl amino acid conjugates as mimics to the biological activity of coronatine
10/15/2003EP1351917A1 Stabilised o-iodoxybenzoic acid compositions and preparation method
10/15/2003EP1351915A2 Addition of mineral acids or salts thereof to a trimellitic acid anhydride production process
10/15/2003EP1351907A1 2-butyl-3-(4- 3(dibutylamino)propoxy benzoyl)-5-nitro-benzofuran hydrochloride and preparation thereof
10/15/2003EP1165482B1 Method for producing overbased zinc soaps
10/15/2003EP1159247B1 Method for the catalytic gas phase oxidation of propene into acrylic acid
10/15/2003EP1159246B1 Method for the catalytic gas phase oxidation of acrolein into acrylic acid
10/15/2003EP1073517B1 Production of unsaturated acids or esters thereof and catalysts therefor
10/15/2003CN1449371A Method for the catalytic decomposition of lactones
10/15/2003CN1449370A Method and apparatus for sequesting entrained and volatile catalyst species in a carbonylation process
10/15/2003CN1449369A Process control for acetic acid manufacture
10/15/2003CN1449304A Process and device for carrying out reactions in a reactor with slot-shaped reaction spaces
10/15/2003CN1448381A Catalystic gas phase oxidation method
10/15/2003CN1448380A Process for production of unsaturated aldehyde
10/15/2003CN1448226A Method for cleaning equipment already treating and/or producing (methyl) propenoic acid contained organic solvent
10/15/2003CN1124261C Manufacture of polyene esters and acids
10/15/2003CN1124252C Method and apparatus for recovering terephthalic acid
10/15/2003CN1124251C Process for separation of acrylic acid
10/15/2003CN1124250C Integrated process for the production of vinyl actate and/or acetic acid
10/15/2003CN1124249C Method for preparing oxy-diphthalic anhydrides
10/14/2003US6632966 Method for the preparation of lactic acid and calcium sulphate dihydrate
10/14/2003US6632965 Vapor-phase oxidation of propylene in the presence of Mo-Bi-Fe-based compound oxide catalysts packed in a fixed-bed multitubular reactor wherein acrolein and acrylic acid can be stably produced in high yield for a long period of time
10/14/2003US6632964 Catalytic oxidation of a cyclic ketone
10/14/2003US6632953 Metal complex comprising a phospholane as claimed in any of claim 1 and a central atom selected from the group of Rh, Ru, Ir, Pd, Pt, Ni. asymmetric hydrogenation of compounds by reacting the starting compounds to be hydrogenated with
10/14/2003US6632949 Halogenating agents
10/14/2003CA2162128C Quaternary ammonium and waterproofing/preservative compositions
10/09/2003WO2003082795A2 METHODS OF MANUFACTURING DERIVATIVES OF β-HYDROXYCARBOXYLIC ACIDS
10/09/2003WO2003082792A1 Process for synthesis of trans-alkenoic acid, use thereof
10/09/2003WO2003082791A1 Liquid phase oxidation of halogenated ortho-xylenes
10/09/2003WO2003082789A2 Oxon process