Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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03/19/2008 | EP1900719A1 Manufacture of substantially pure monochloroacetic acid |
03/19/2008 | EP1900367A2 Hypoglycemic agent |
03/19/2008 | EP1900366A2 Hypoglycemic agent |
03/19/2008 | EP1899314A2 High yield synthesis methods for producing organic salts of strontium |
03/19/2008 | EP1611077B1 Method for the heterogeneously catalysed partial gas phase oxidation of propene to form acrylic acid |
03/19/2008 | EP1611076B1 Method for the heterogenically catalysed partial gas phase oxidation of propene to form acrylic acid |
03/19/2008 | EP1545773B1 Catalyst and method for the carbonylation of oxiranes |
03/19/2008 | CN101146759A Method for production of high-purity terephthalic acid |
03/19/2008 | CN101146758A Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
03/19/2008 | CN101146757A Improved recovery of energy during the production of aromatic carboxylic acids |
03/19/2008 | CN101146756A Process and apparatus for manufacturing pure forms of aromatic carboxylic acids |
03/19/2008 | CN101146755A Process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water |
03/19/2008 | CN101146754A Acetic acid production methods incorporating at least one metal salt as a catalyst stabilizer |
03/19/2008 | CN101146613A Process for preparing improved catalysts for selective oxidation of propane into acrylic acid |
03/19/2008 | CN101145029A P-xylene oxidation reaction operation condition optimization method |
03/19/2008 | CN101143817A Method for producing salicylic acid by refining salicylic acid solution |
03/19/2008 | CN101143816A Method for extracting ferulic acid from Chinese angelica by ultrasonic |
03/19/2008 | CN101143815A Method for preparing felbinac |
03/19/2008 | CN101143814A Acetic acid and acetic anhydride carbonyl reaction kettle for gas liquid ejecting combined slurry bed |
03/19/2008 | CN101143813A Treatment method for waste water of acephate producing process |
03/19/2008 | CN101143812A Technique for producing formate |
03/19/2008 | CN101143811A Method for producing aromatic acid by using bubble column oxidation reactor |
03/19/2008 | CN101143339A Catalyst system used for synthesizing acetic acid and acetic anhydride and application thereof |
03/19/2008 | CN101143168A Technology for preparing haw total phenolic acid part |
03/19/2008 | CN100375739C Process of eliminating and recovering naphthenic acid from oil product |
03/18/2008 | US7345199 Mixed oxide oxidation catalyst containing molybdenum, vanadium, niobium and silver; catalyst for use in a one step process for producing an unsaturated carboxylic acid, such as acrylic acid or methacrylic acid |
03/18/2008 | US7345198 passing a gas mixture including propane, water, vapor, and optionally an inert gas and/or molecular oxygen, on a mixed oxide catalyst comprising molybdenum, vandadium and niobium |
03/18/2008 | US7345197 Preparation of acetic acid |
03/18/2008 | US7345167 Method for the production of maleic anhydride |
03/18/2008 | CA2284019C Water separation process |
03/18/2008 | CA2256379C Substance mixtures comprising vinyl-containing compounds and stabilizers |
03/13/2008 | WO2008028429A1 Process for recovering terephthalic acid |
03/13/2008 | WO2008015135A3 Process for regenerating ruthenium catalysts for the ring hydrogenation of phthalates |
03/13/2008 | WO2008014254A3 Elastomer blends of polyesters and copolyetheresters derived from polyethylene terephthalate, method of manufacture, and articles therefrom |
03/13/2008 | WO2008010785A8 A process to enrich a carboxylic acid composition |
03/13/2008 | WO2007144898A8 A process for the synthesis and preparation of polymeric materials for use in optical applications such as plastic lenses |
03/13/2008 | WO2007122638A3 An improved process for preparation of lamotrigine intermediates |
03/13/2008 | US20080064899 Method For Producing Alpha, Beta-Unsaturated Carboxylic Acid |
03/13/2008 | US20080064897 Resolution of P-Hydroxyphenyl-2-Alkoxypropionic Acids |
03/13/2008 | US20080064889 Countercurrent liquid/liquid extraction; multistep vacuum distillation; solvent recycling |
03/12/2008 | EP1897541A2 Hypoglycemic agent |
03/12/2008 | EP1896387A1 Ortho-nitrosophenols as polymerization inhibitors |
03/12/2008 | EP1896383A1 Method for selectively oxidizing ethane to ethylene |
03/12/2008 | EP1802639B1 Organometallic nanopowder |
03/12/2008 | EP1723093A4 Cyclone reactor and associated methods |
03/12/2008 | EP1414809B1 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
03/12/2008 | CN101142168A Process for the preparation of benzoic acid derivatives via a new intermediate of synthesis |
03/12/2008 | CN101142164A Method for producing optically active 3-phenylpropionic acid derivatives and follow-on products of the latter |
03/12/2008 | CN101142163A Method of producing unsaturated acid from olefin |
03/12/2008 | CN101142162A Process for the preparation of a dicarboxylic acid |
03/12/2008 | CN101142161A Process for the carbonylation of a conjugated diene |
03/12/2008 | CN101139283A Method for preparing organic small-molecule mixture by formaldehyde by using hydrothermal technology |
03/12/2008 | CN101139282A 6-substituted anthraquinone-2,3-dicarboxylic acid and method for making same |
03/12/2008 | CN101139281A Nano calcium lactate and method for making same |
03/12/2008 | CN101139280A Sodium acetate anhydrous and preparation method and usage thereof |
03/12/2008 | CN101139279A Method for preparing formic acid by acidifying sodium formate with acidification adjuvant |
03/12/2008 | CN101139278A Method for preparing formic acid by extraction of phosphorus acid and sodium formate |
03/12/2008 | CN101139277A Method for reclaiming terephthalic acid residue |
03/12/2008 | CN101139276A Process for the purification of lanthanide carboxylates |
03/12/2008 | CN101139275A Halogen compound oxo reaction method |
03/12/2008 | CN101139248A Method for generating polyvalent alcohol and formiate by extractive crystallization separating cannizzaro process |
03/12/2008 | CN101138723A Activated mixed metal oxide oxidation catalysts |
03/12/2008 | CN100374623C Method of removing iron oxide deposits from the surface of titanium components |
03/12/2008 | CN100374441C 2-substituted benzyl-5,7-dihydrocarbyl-3,7-dihydro pyrroline [2,3-d] pyromidine-4-one derivative ,its preparation and medicinal use |
03/12/2008 | CN100374407C Composite polymerzation inhibitor for producing methyl propenoic acid and its ester |
03/12/2008 | CN100374406C Methylacrylic acid extracting and refining process |
03/12/2008 | CN100374405C Process for preparing calcium formate from recovered formylic acid in waste water of epoxy soybean oil |
03/11/2008 | US7342130 Method for producing acrylic acid |
03/11/2008 | US7342129 Process for the production of acetic acid |
03/11/2008 | US7342128 Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam |
03/11/2008 | US7342125 Administering derivatives of Kauranoic acid; cachexia, analgesics, in treating immune disorders, as anti-cancer and anti-tumor agents, otitis media, sinusitis, antidiabetic agent |
03/11/2008 | US7341974 Method for preparing a catalyst for partial oxidation of propylene |
03/11/2008 | CA2150355C Process of resolving phenylpropionic acids using alpha-methylbenzylamine |
03/06/2008 | WO2008026707A1 Perfluorocarboxylic acid salt and method for producing the same |
03/06/2008 | WO2008026393A1 Polyfluoroalkanecarboxylic acid (salt) and process for production thereof |
03/06/2008 | WO2008025758A1 Manufacture of substantially pure monochloroacetic acid |
03/06/2008 | WO2007010356A8 Process for the preparation of sulfonamide derivatives |
03/06/2008 | US20080058547 Method for the Production of Optically Active Alkyl Succinic Acid Monoalkyl Esters |
03/06/2008 | US20080058418 An emulsion having a continuous liquid phase, an emulsifier; and a discontinuous liquid phase of a blend of polyunsaturated fatty acid source and a dispersant, e.g. a flavanoid,acid, where the weight ratio of the fatty acid source to the dispersant is between 9:1-1:10; nutraceuticals; foods; beverages |
03/06/2008 | CA2660872A1 Manufacture of substantially pure monochloroacetic acid |
03/05/2008 | EP1894912A1 Process for producing racemic 3-hydroxy-3-(2-phenylethyl) hexanoic acid ester |
03/05/2008 | EP1894910A1 Method for producing glycolic acid |
03/05/2008 | EP1893557A2 Prodcution of acrolein acrylic acid and water-absorbent polymer structures made from glycerine |
03/05/2008 | CN101137612A Process for the preparation of a dicarboxylic acid |
03/05/2008 | CN101137611A Process for the carbonylation of a conjugated diene to a dicarboxylic acid |
03/05/2008 | CN101137610A Process for the preparation of a dicarboxylic acid |
03/05/2008 | CN101137602A Process for preparing enantiopure E-(2S)-alkyl-5-halopent-4-enoic acids and esters |
03/05/2008 | CN101134723A Gallic acid and divalent metal ionic compound and preparation method and application thereof |
03/05/2008 | CN101134722A Method for synthesizing chloroacetic acid |
03/05/2008 | CN101134717A Method for producing 1,2,3-trimethoxybenzene by acer ginnala leaf |
03/05/2008 | CN100372828C Method for producing phthalic anhydride |
03/05/2008 | CN100372827C Production of isooctaacid by composite catalytic method |
03/05/2008 | CN100372817C Total triterpenoid extract fine thim asterium sponge and its preparation process and application thereof |
03/05/2008 | CN100372816C Metal ion exchanged solid materials as catalysts for the skeletal isomerization of fatty acids and alkyl esters thereof |
03/05/2008 | CN100372608C Catalyst system of catalytic methylester acetate or methylether synthetic acetoanhy dride and use thereof |
03/04/2008 | US7339072 Decoloring pretreatment; esterification; polyethylene terephthalate |
03/04/2008 | US7338918 Catalyst having a silver-vanadium oxide phase and a promoter phase |
02/28/2008 | WO2008024716A2 Process of making alkyl esters of free fatty acids |
02/28/2008 | WO2008024198A1 Purification of acetic acid |
02/28/2008 | WO2008023658A1 Process for isomerization of alkyl grignard reagents and process for production of organic compounds |