| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/08/2010 | US7732639 oxidizing propylene, then acrolein by recycling gases that had not reacted by means of partial oxidation of propane, in parallel at end of acrylic acid recovery step, then returning to reactor a gas rich in both propane and propylene having been subjected to second passage in acrylic acid recovery column |
| 06/08/2010 | US7732636 Process for producing α,β-unsaturated carboxylic acid |
| 06/08/2010 | US7732635 production of organic acid with high heat efficiency and high production efficiency by effective utilization of steam produced by a large quantity of heat generated in gas-phase catalytic oxidation reaction and heat generated in combustion of by-product of waste gas and waste oil from production of acid |
| 06/08/2010 | US7732624 from a liquid phase P comprising the target product X and constituents other than the target product X by cooling suspension crystallization in an indirect heat transferer; target product X in the process is acrylic acid |
| 06/08/2010 | US7732499 Methanol is reacted with oxygen to produce a syngas stream; syngas stream is separated into a carbon dioxide rich stream and a mixed stream containing hydrogen/carbon monoxide; mixed stream is separated into a hydrogen-rich stream and a carbon monoxide-rich stream; vaporization |
| 06/08/2010 | US7732367 heteropolyacid catalyst comprising molybdenum and phosphorus adapted to gas-phase oxidize aldehydes to unsaturated acids |
| 06/08/2010 | US7731919 oxidation of propylene with oxygen with molybdenum oxide containing catalyst |
| 06/08/2010 | CA2413514C Granular product of parahydroxybenzoic acid or parahydroxybenzoic acid ester and process for preparing the same |
| 06/03/2010 | WO2010062326A2 Removing iodobenzene compounds from acetic acid |
| 06/03/2010 | WO2010062316A1 Dicarboxylic acid production with enhanced energy recovery |
| 06/03/2010 | WO2010062315A1 Dicarboxylic acid production with minimal wastewater generation |
| 06/03/2010 | WO2010062314A1 Integrated co-production of dicarboxylic acids |
| 06/03/2010 | WO2010062313A1 Dicarboxylic acid production with self-fuel oxidative destruction |
| 06/03/2010 | WO2010062312A1 Dicarboxylic acid production with direct fired off-gas heating |
| 06/03/2010 | WO2010062239A1 A catalytic asymmetric method for the preparation of the paclitaxel (taxol) c-13 side-chain derivatives and its use in the preparation of taxane derivatives |
| 06/03/2010 | WO2010061690A1 Reaction method using heat-exchange type reactor, and method for charging fillers in plate reactor |
| 06/03/2010 | US20100137639 Preparation of organic compounds for enhanced reactivity |
| 06/03/2010 | US20100137638 Method for producing alpha, beta-unsaturated calboxylic acid |
| 06/03/2010 | US20100137637 Carbon-supported gold catalyst |
| 06/03/2010 | CA2741636A1 Dicarboxylic acid production with enhanced energy recovery |
| 06/03/2010 | CA2740835A1 Dicarboxylic acid production with minimal wastewater generation |
| 06/03/2010 | CA2740833A1 Dicarboxylic acid production with self-fuel oxidative destruction |
| 06/03/2010 | CA2740832A1 Dicarboxylic acid production with direct fired off-gas heating |
| 06/02/2010 | EP2192103A1 Process for the conversion of ethanol to acetic acid |
| 06/02/2010 | EP2192087A1 Alkali metal fluoride dispersion, and process for production of fluorinated organic compound using the same |
| 06/02/2010 | EP1459804B1 Catalysts comprising cyclic acylurea compounds and oxidation and nitration reactions of organic compounds in the presence of the same |
| 06/02/2010 | EP1451136B1 Process for preparing monochloroacetic acid |
| 06/02/2010 | EP1326833B1 Substituted heterocyclic compounds for treating multidrug resistance |
| 06/02/2010 | DE112008001922T5 Hydroxysäureaminsalz, Verfahren zum Herstellen desselben und Gummizusammensetzung, die dieses enthält Hydroxysäureaminsalz, method thereof and rubber composition containing the same for producing |
| 06/02/2010 | CN101717346A Artificial synthesis method of capsaicin homologue |
| 06/02/2010 | CN101717332A Method for refining electron-level high-purity DL-malic acid |
| 06/02/2010 | CN101717331A Method for preparing iron oxalate |
| 06/02/2010 | CN101717330A Method for utilizing dilute sulphuric acid to catalyze and hydrolyze alpha,alpha'-dicyano-1,1-cyclohexanediacetamide to prepare 1,1-cyclohexanediacetic acid |
| 06/02/2010 | CN101716527A High-stability catalyst for producing acetic acid by carbonylation method and application method thereof |
| 06/02/2010 | CN101716523A Palladium phenylacetate composite phase transfer catalysis system synthesized by carbonylation of benzyl chloride |
| 06/02/2010 | CN101716522A Complex catalyst for synthesizing acetic acid from methanol carbonyl and preparation method and application thereof |
| 06/02/2010 | CN101481307B Method for separating acetic acid and sec-butyl acetate from reaction products |
| 06/02/2010 | CN101279912B Preparation of 2,2-dimethylolbutyric acid |
| 06/02/2010 | CN101279909B Refinement and purification method of nonane diacid |
| 06/02/2010 | CN101260038B Method for purifying 3,4,5-trimethoxylbenzoic acid |
| 06/02/2010 | CN101239899B Method for preparing adipic acid by using cyclohexane catalytic oxidation one-step method |
| 06/02/2010 | CN101215230B Continuous producing method and device for formic acid |
| 06/02/2010 | CN101157606B Partition type bubbling tower oxidation reactor for producing aromatic acid |
| 06/02/2010 | CN101139282B 6-substituted anthraquinone-2,3-dicarboxylic acid and method for making same |
| 06/02/2010 | CN101104583B Technique for preparing diacerein by two-step oxidation process |
| 06/01/2010 | US7728171 Continuously reacting thionyl chloride with cycloalkanecarboxylic acid to form cycloalkanecarbonyl chloride in presence of tributylamine; reacting product with o,o'-dithiodianiline to form the diamide; cleaving the disulfide to form N-(o-mercaptophenyl)cycloalkanecarboxamide; esterifying the mercaptan |
| 06/01/2010 | US7728168 converting 1-methoxy-4-(1-propenyl) benzene into an ozonide of 1-methoxy-4-(1-propenyl) benzene, and then subsequently oxidizing the ozonide with an alkaline hydrogen peroxide solution to thereby form a reaction mixture comprising 4-methoxybenzoic acid |
| 06/01/2010 | US7728159 Organopolysiloxanes containing phosphonic groups, method for the production and use thereof |
| 06/01/2010 | US7728149 Oxidation cleavage of cyclohexane compound; using oxidation catalyst in liquid phase |
| 06/01/2010 | US7727928 Catalyst composition and use thereof in ethane oxidation |
| 06/01/2010 | US7727569 solvent-free; for production of hard butter |
| 05/27/2010 | WO2010058149A1 Carbonylation process catalysed by mordenite supported on inorganic oxides |
| 05/27/2010 | US20100130777 Process for producing acrylic acid by two-stage catalytic vapor-phase oxidation |
| 05/27/2010 | US20100130776 Process and reactor for the thermoneutral conversion of ethanol to acetic acid |
| 05/27/2010 | US20100130763 Using as catalyst a halide or alkoxide of aluminum, scandium, tin, titanium, or zirconium immobilized on a solid polymer; esterification and transesterification; biodiesel; catalyst removal, mild reaction conditions |
| 05/27/2010 | CA2742514A1 Carbonylation process catalysed by mordenite supported on inorganic oxides |
| 05/26/2010 | EP2189467A2 Method of fluorination by microwaves |
| 05/26/2010 | EP2189466A2 Method of fluorination by microwaves |
| 05/26/2010 | EP2189442A1 Process and intermediates for the preparation of aliskiren |
| 05/26/2010 | EP2189217A1 Nanoparticular metal oxide/anatase catalysts. |
| 05/26/2010 | EP2189215A1 Carbonylation process catalysed by mordenite supported on inorganic oxides |
| 05/26/2010 | EP2188380A2 Method for the coproduction of methyl 7-oxoheptanoate and undecylenic acid from ricinoleic acid |
| 05/26/2010 | EP1853545B1 Process for obtaining enantiomers of chrysanthemic acid |
| 05/26/2010 | EP1370509B1 Method for the production of glyceric acid |
| 05/26/2010 | CN201485402U CTA separation filtering system for preparing purified terephthalic acid |
| 05/26/2010 | CN1969903B Acanthopanax extract for preventing and treating cardiovascular and cerebrovascular disease and preparation process thereof |
| 05/26/2010 | CN1832913B Method for the production of metal salts of short-chained, unsaturated, carboxlic acids and use thereof |
| 05/26/2010 | CN1830938B Processes for the preparation of unsaturated carboxylic acids from alkanes |
| 05/26/2010 | CN101715366A Process and catalyst for oxidizing aromatic compounds |
| 05/26/2010 | CN101712615A Method for preparing crystal glyoxylic acid |
| 05/26/2010 | CN101712614A Method for preparing 2-ethyl hexahydric aluminum |
| 05/26/2010 | CN101712613A Method for de-iodinating and refining acetic acid |
| 05/26/2010 | CN101711925A Method for depletion of sulfur and/or compounds containing sulfur from a biochemically produced organic compound |
| 05/26/2010 | CN101092351B Method for synthesizing veratric acid |
| 05/26/2010 | CN101048361B Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 05/26/2010 | CN101045683B Method of preparing high-purity terephthalic acid |
| 05/26/2010 | CN101006038B Method for the production of formic acid |
| 05/25/2010 | USRE41357 Process for producing a fluorine atom-containing sulfonyl fluoride compound |
| 05/25/2010 | US7723549 Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene |
| 05/25/2010 | US7723541 preventing decomposition of 2-hydroxyisobutyric acid (HIBA) within methacrylic acid product stream derived from hydrolysis of acetone cyanohydrin in presence of acid catalyst, product comprising methacrylic acid, HIBA and acid-catalyst, by adding stabilizing agent capable of neutralizing acid catalyst |
| 05/25/2010 | US7723539 Catalysts based on metal complexes for the synthesis of optically active chrysanthemic acid |
| 05/25/2010 | US7722755 Method of electro-catalytic reaction to produce mono alkyl esters for renewable biodiesel |
| 05/20/2010 | WO2010055285A1 Hydrogenation of ethanoic acid to produce ethanol |
| 05/20/2010 | WO2010055169A1 Nanoparticular metal oxide/anatase catalysts |
| 05/20/2010 | WO2010022830A3 Catalyst for the catalytic gas phase oxidation of aromatic hydrocarbons to form aldehydes, carboxylic acids and/or carboxylic acid anhydrides, in particular phthalic acid anhydride, and method for producing said type of catalyst |
| 05/20/2010 | WO2010019780A3 Process and apparatus for recovery of acetic acid from methyl acetate |
| 05/19/2010 | EP2186792A1 2-(a-hydroxypentyl) benzoate and its preparation and use |
| 05/19/2010 | EP2186790A1 Acrolein production method and acrylic acid production method |
| 05/19/2010 | EP2186787A1 Hydrogenation of ethanoic acid to produce ethanol |
| 05/19/2010 | EP1784375B1 Method for the production of formic acid |
| 05/19/2010 | EP1644312B1 Preparation of 1,3-diphenylprop-2-en-1-one derivatives |
| 05/19/2010 | EP1511707B1 Process for producing aromatic compounds by friedel-crafts reaction |
| 05/19/2010 | CN201470389U Reaction device for producing stearate by dry method |
| 05/19/2010 | CN1939459B Preparation of gardenia jasminoides by membrane separation technology |
| 05/19/2010 | CN1939457B Preparation of gardenia jasminoides extracts |
| 05/19/2010 | CN101709323A Method for producing R-mandelic acid with biocatalysis and separating and coupling method |
| 05/19/2010 | CN101709029A Polybenzimidazole material and midbody organic diacid thereof as well as preparation methods thereof |
| 05/19/2010 | CN101708376A Energy saving method of acetic acid dehydrating tower |
| 05/19/2010 | CN101209428B Adsorption agent for removing iodide from organic medium and preparation and application |
| 05/19/2010 | CN101186572B Method for separating and purifying salvianolic acid from red sage root liquid extract by one step |