| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/09/2005 | EP1511717A1 Crystalline form of nateglinide |
| 03/09/2005 | EP1511711A1 Process for the production of acetic acid |
| 03/09/2005 | EP1511707A1 Process for producing aromatic compounds by friedel-crafts reaction |
| 03/09/2005 | EP1142858B1 Process for producing aliphatic aldehydic acid and/or aliphatic dicarboxylic acid |
| 03/09/2005 | CN1592732A Method of recovering polymerization inhibitor and process for producing acrylic acid |
| 03/09/2005 | CN1592731A Process for producing (meth)acrylic acid |
| 03/09/2005 | CN1592730A Method for the purification of an alpha-hydroxy acid on an industrial scale |
| 03/09/2005 | CN1592729A Process for preparing pentacene derivatives |
| 03/09/2005 | CN1592726A Optical dividing method for sclare lactone precursor |
| 03/09/2005 | CN1592654A Catalyst comprising a support and a catalytically active oxide material applied to the surface of the substrate |
| 03/09/2005 | CN1590823A Storage tank for easily polymerizable compound and method of storage |
| 03/09/2005 | CN1590360A Process for producing (meth)acrylic acid compound |
| 03/09/2005 | CN1590359A Method of manufacturing lase-of-polymerization substance |
| 03/09/2005 | CN1590358A Process for preparing calcium carboxylate |
| 03/09/2005 | CN1589955A Intelligent control method of PTA particle size in fine terephthalic acid production device |
| 03/09/2005 | CN1192200C Shell-pipe head exchanger |
| 03/09/2005 | CN1192010C Vapor phase carbonylation process using promoted iridium catalyst |
| 03/09/2005 | CN1191997C Method for recovering fluorinated alkanoic acids from waste water |
| 03/09/2005 | CN1191884C High surface microporous active materials TIQ-6 and METIQ-6 in oxidation reactions |
| 03/09/2005 | CN1191882C Reactor for carrying out gas-liquid, liguid-liquid or gas-liquid-solid chemical reactions, method and use thereof |
| 03/08/2005 | US6864396 Substituted pentacene semiconductors |
| 03/08/2005 | US6864391 Method for producing propylene hydroformylation products and acrylic acid and/or acrolein |
| 03/08/2005 | US6864390 Antiepileptic agents; central nervous system disorders; psychological disorders |
| 03/08/2005 | US6864389 Method for producing α-hydroxycarboxylic acid |
| 03/08/2005 | US6864374 Synthesis of r(+)α-lipoic acid |
| 03/03/2005 | WO2005019150A1 Purified anhydrous sodium acetate and process for producing the same |
| 03/03/2005 | WO2005019149A1 System and method for acetic acid recovery during terephthalic acid production |
| 03/03/2005 | WO2005019148A1 Method for the production of maleic anhydride |
| 03/03/2005 | WO2005018809A1 Process for producing catalyst for production of acetic acid, catalyst for production of acetic acid obtained by the production process and process for producing acetic acid using the catalyst |
| 03/03/2005 | WO2005018805A1 Method of regenerating catalyst |
| 03/03/2005 | WO2005018804A1 Catalyst composition and use thereof in ethane oxidation |
| 03/03/2005 | WO2005000779A3 Oxidation of aromatic hydrocarbons using brominated anthracene promoters |
| 03/03/2005 | WO2005000463A3 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same |
| 03/03/2005 | WO2003089418A8 Indane acetic acid derivatives and their use as pharmaceutical agents |
| 03/03/2005 | US20050049435 Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system |
| 03/03/2005 | US20050049434 Carbonization polysulfonated vinylaromatic polymer |
| 03/03/2005 | US20050049433 Recovery of carboxylic acid from byproduct stream |
| 03/03/2005 | US20050049405 Such as rhodium complexes with apoproteins; for hydrogenation of olefins in water |
| 03/03/2005 | US20050047980 Fatty acid, lithium hydroxide and urea in water; precipitating hydrocarbon and edible oils as crystals in long fibrous shape; environmental pollution clean up |
| 03/03/2005 | DE102004032129A1 Production of acrolein and acrylic acid, e.g. chemical intermediate and monomer, comprises dehydrogenation and partial oxidation of propane by adding cycle gas at point where propane in main feed is partly dehydrogenated |
| 03/03/2005 | CA2533025A1 Method for the production of maleic anhydride |
| 03/02/2005 | EP1510513A1 Process for producing a calcium carboxylate |
| 03/02/2005 | EP1510510A1 Method of substituent introduction through halogen-metal exchange reaction |
| 03/02/2005 | EP1509488A1 Process for the production of acetic acid |
| 03/02/2005 | EP1509216A1 Active ingredient salts and esters of 1-dimethylamino-3-(3-methoxy-phenyl)-2-methyl-pentan-3-ol and 3-(3-dimethylamino-1-ethyl-1-hydroxy-2-methyl-propyl)-phenol |
| 03/02/2005 | EP1091922A4 Method of purifying aromatic dicarboxylic acids |
| 03/02/2005 | CN1589253A Process for producing (meth)acrylic acid compound |
| 03/02/2005 | CN1589252A Method for supplying atmosphere gas |
| 03/02/2005 | CN1589246A Method for extracting and method for purifying effective substance |
| 03/02/2005 | CN1587248A Process for synthesizing 7-chloro-2-oxo-heptanoic acid |
| 03/02/2005 | CN1587247A Process for directly producing calcium lactate from crust and lactic acid |
| 03/02/2005 | CN1586698A Method for removing iodine and iodine compound impurity |
| 03/02/2005 | CN1586697A No-adhesive zeolite adsorbent for organic liquid medium iodine removing method |
| 03/02/2005 | CN1191226C Preparing method of perfluorinated acid fluorides |
| 03/02/2005 | CN1191225C Purification of aqueous solutions of organic acids |
| 03/02/2005 | CN1191224C Method for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| 03/02/2005 | CN1191223C Vapour-phase partial oxidation aromatic hydrocarbons |
| 03/01/2005 | US6861553 Process for preparing nateglinide and intermediates thereof |
| 02/28/2005 | CA2438928A1 Process for producing a calcium carboxylate |
| 02/24/2005 | WO2005016861A1 Method for the production of (meth)acrolein and/or (meth)acrylic acid |
| 02/24/2005 | WO2005016852A2 Method for operating a continuous heterogeneously catalysed gas-phase partial oxidation of at least one organic compound |
| 02/24/2005 | WO2005016509A1 Oxidation process and reactor with modified feed system |
| 02/24/2005 | WO2005016507A1 Reactor for gas phase reactions |
| 02/24/2005 | WO2004099114A8 Method for selective carbohydrate oxidation using supported gold catalysts |
| 02/24/2005 | WO2004080941A3 Method of manufacturing acetic acid |
| 02/24/2005 | WO2004033407A3 Process for producing carboxylic acid and system for producing the same |
| 02/24/2005 | US20050043567 Partial oxidation of a gas phase of propane(isobutane), oxygen and inert gas flowing through a fixed bed of catalytic mixed metal oxides based on molybdenum/vanadium; catalyst selectivity |
| 02/24/2005 | US20050043566 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
| 02/24/2005 | US20050043564 Process for dehydrating hydrous sodium beta-naphtholate |
| 02/24/2005 | US20050042154 Geometric stability of the thermoplate modules, particularly of the gaps for the catalyst; thermoplates configured with a cuboidal shape and installed with pressure release in a cylindrical shell which completely surrounds them |
| 02/24/2005 | DE10335967A1 Perforated catalytic plate for large-scale exothermic or endothermic chemical reaction has high thermal conductivity |
| 02/24/2005 | DE10335346A1 Katalysator für Gasphasenoxidationen Catalyst for gas-phase oxidations |
| 02/24/2005 | DE10334582A1 Maleic anhydride production by VPO-catalyzed gas-phase oxidation of n- butane involves setting the n-butane and oxygen content levels in a pressure- controlled feed to reduce risk of explosions |
| 02/23/2005 | EP1508561A1 2-(a-HYDROXYPENTYL) BENZOATE AND ITS PREPARATION AND USE |
| 02/23/2005 | EP1507838A2 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 02/23/2005 | EP1507783A1 Hydroxy diphosphines and their use in catalysis |
| 02/23/2005 | EP1507523A1 Cinnamic acid dimers, their preparation and the use thereof for treating neurodegenerative disease |
| 02/23/2005 | EP1286945B1 Integrated process for the production of vinyl acetate |
| 02/23/2005 | EP1212275B1 A process for producing diacids by carboxylation of phenolic compounds |
| 02/23/2005 | EP1082286B1 Method for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| 02/23/2005 | EP1053220B1 Improved separation processes |
| 02/23/2005 | CN1585736A Method for producing (meth)acrylic acid esters of polyhydric alcohols |
| 02/23/2005 | CN1585735A Method for production of formic acid formates |
| 02/23/2005 | CN1585673A Composite oxide catalyst and method for preparation thereof |
| 02/23/2005 | CN1585672A Reactor for oxidizing reaction of a liquid with a gas |
| 02/23/2005 | CN1585630A Method for the formation of ibuprofen crystals |
| 02/23/2005 | CN1583705A Method for recovering p-hydroxybenzoic acid from water drain of production of p-hydroxybenzoic acid |
| 02/23/2005 | CN1583704A Preparation of cobalt acetate |
| 02/23/2005 | CN1583703A Crystal pelleting and purifying method of aromatic carboxylic acid products |
| 02/23/2005 | CN1583686A Preparation of oligomer and monomer from tannin by catalytic hydrogen degradation |
| 02/23/2005 | CN1190406C Method for producing ortho-alkylated benzoic acid derivatives. |
| 02/22/2005 | US6858761 Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process |
| 02/22/2005 | US6858754 Method for the production of acrylic acid by heterogeneously catalyzed partial propane oxidation |
| 02/22/2005 | US6858753 Reacting a nickel source, an iodine source, and a ligand in a solvent under carbon monoxide atmosphere to obtain an in situ catalyst complex, contacting a mixture of aliphatic alcohol and carbon monoxide with the complex to perform carbonylation |
| 02/22/2005 | US6858752 Esterification od an alcohol with acid chloride; liquid phase fluorination; spitting to form fluorinated ketone |
| 02/22/2005 | US6858561 Heating mixture of vanadium compound and an anhydrous phosphoric acid in an organic alcohol to reflux; recovering catalyst precursor particles from the cooled admixture by filtration, drying and calcining |
| 02/22/2005 | US6858434 Using thin layer chromatography for rapid preparation and screening of lead structures for drug candidates; rational drug design |
| 02/22/2005 | CA2129039C Tri-substituted phenyl derivatives as phosphodiesterase inhibitors |
| 02/17/2005 | WO2005014766A2 Metal ion exchanged solid materials as catalysts for the arylation and the skeletal isomerization of fatty acids and alkyl esters thereof |
| 02/17/2005 | WO2005014519A1 Process for the preparation of geminal difluoroalkanes |