| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 08/20/2008 | CN100412047C Method for quick preparation of phenyl pyruvic acid and its aryl substituted derivatives |
| 08/20/2008 | CN100411738C Rhodium catalyst with organometallic lithium salts as ligand |
| 08/19/2008 | US7414150 Method for purifying (meth)acrylic acid |
| 08/19/2008 | US7414149 Non-routine reactor shutdown method |
| 08/19/2008 | US7414008 Heat-treating aqueous slurry of compounds of molybdenum, bismuth, and iron, adding a binder, molding and calcining; excellent in activity, selectivity, and physical strength |
| 08/19/2008 | CA2268170C Method for selective preparation of a 2-hydroxybenzoic acid and a 4-hydroxybenzaldehyde and derivatives |
| 08/16/2008 | CA2640294A1 Process for preparing porous metal-organic framework materials |
| 08/14/2008 | WO2008097393A1 Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification |
| 08/14/2008 | WO2008096256A1 Method for obtaining propionic acid |
| 08/14/2008 | WO2008095877A1 Process for regeneration of a catalyst bed deactivated in the context of a heterogeneously catalyzed partial dehydrogenation of a hydrocarbon |
| 08/14/2008 | WO2008095629A1 Carbon-supported gold catalyst, processes for its production and use for oxidation of organic compounds |
| 08/14/2008 | WO2008070756A9 Processes for the production of fatty acid alkyl esters |
| 08/14/2008 | WO2008070280A3 Photosynthetic carbon dioxide sequestration and pollution abatement |
| 08/14/2008 | US20080194875 Transesterifying an alkyl alpha -hydroxycarboxylate with (meth)acrylic acid to obtain alkyl (meth)acrylates and alpha -hydroxycarboxylic acid, and dehydrating the alpha -hydroxycarboxylic acid to obtain (meth)acrylic acid; avoids the use of sulphuric acid in large amounts |
| 08/14/2008 | US20080194874 Crystallizing out target compound from mixture of sodium formate having 1.5 times molar excess of formic acid while maintaining molar ratio of formic acid to water of 1.1:1, recirculating part of mother liquor directly to solution to be crystallized, and neutralizing other part before recirculation |
| 08/14/2008 | US20080194871 Process for Preparing Improved Catalysts for Selective Oxidation of Propane Into Acrylic Acid |
| 08/14/2008 | US20080194870 Process for the Preparation of a Dicarboxylic Acid |
| 08/14/2008 | US20080194869 Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
| 08/14/2008 | US20080194866 Process for the Production of High Purity Aromatic Carboxylic Acids Using a Benzoic Acid and Water Solvent for Oxidation and Purification |
| 08/14/2008 | US20080194865 Recovery of Energy During the Production of Aromatic Carboxylic Acids |
| 08/14/2008 | US20080194864 Optimized liquid-phase oxidation |
| 08/14/2008 | US20080194863 Continuous neutralization process in which at least one ethylenically unsaturated carboxylic acid is neutralized at least partly with a base and the temperature of the neutralized solution is less than 70 degrees C.; occurrence of undesirably high temperature peaks is avoided |
| 08/14/2008 | US20080193425 Methods for administering fgf18 |
| 08/14/2008 | DE102007004982A1 Verfahren zur Nutzung der Oxidationsabgase bei der Terephthalsäureherstellung Procedures for the use of oxidizing gases in the terephthalic acid production |
| 08/13/2008 | EP1954664A2 Method for safely carrying out gas phase partial oxidation |
| 08/13/2008 | EP1622855B1 Carbonylation process using metal-polydentate ligand catalysts |
| 08/13/2008 | EP1350786B1 Process for production of dicarboxylic acids |
| 08/13/2008 | CN101243035A Process for removal of benzoic acid from an oxidizer purge stream |
| 08/13/2008 | CN101243034A Mesoporous metal-organic framework |
| 08/13/2008 | CN101243033A Preparation of carboxylic acids |
| 08/13/2008 | CN101239905A Method for preparing dihydroxy phthalic acid |
| 08/13/2008 | CN101239904A Method for reclaiming and treating phenol and p-hydroxybenzoic acid in p-hydroxybenzoic acid technique waste water |
| 08/13/2008 | CN101239903A Technique for purifying MCPA herbicide by using complex solvent |
| 08/13/2008 | CN101239900A Technique for producing sebacic acid without phenol |
| 08/13/2008 | CN101239899A Method for preparing adipic acid by using cyclohexane catalytic oxidation one-step method |
| 08/13/2008 | CN101239898A Method for preparing pure terephthalic acid with purity more than 99.98wt% by using high efficiency dehydration filtering machine |
| 08/13/2008 | CN101239897A Method for producing diformate of monovalence cation used for feedstuff |
| 08/13/2008 | CN101239896A Method for preparing calcium formate and by-product sodium nitrate or sodium nitrite |
| 08/13/2008 | CN100410283C Resveratrol imprinted polymer preparation and extraction method for resveratrol |
| 08/13/2008 | CN100410236C Substituted methylene amide derivatives as modulators of protein tyrosine phosphatases(ptps) |
| 08/13/2008 | CN100410229C Method of treating hexane diacid preparation waste liquid |
| 08/13/2008 | CN100410228C Process for crylic acid azeotropism refining and recovering acetic acid |
| 08/13/2008 | CN100410227C Preparation process of sodium benzoate |
| 08/13/2008 | CN100409926C Frequently pole-reversing electroosmosis method for extracting and concentrating sodium lactate from garbage fermentation liquid |
| 08/12/2008 | US7411107 Alkene separation process |
| 08/12/2008 | US7411090 From an aqueous feed stream originating from fermentation of carbohydrates and utilizing an amine solvent extraction; crystallizing the citric acid; recycling the mother liquor; improved efficiency |
| 08/12/2008 | US7411089 Dissolving in solvent in which nateglinide is highly soluble such as ethanol, dioxane, dichloromethane, or acetone; adding water or hexane in which nateglinide is not soluble; crystallization |
| 08/12/2008 | US7411088 Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid |
| 08/12/2008 | US7411084 Method of preparing phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof via a dicarboxylate intermediate |
| 08/12/2008 | US7410632 Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 08/12/2008 | US7410622 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 |
| 08/12/2008 | US7410556 Aqueous solution of acid is solution is subjected to two or more distillation steps, film evaporation, and passing the vapor to a first distillation column |
| 08/12/2008 | CA2350786C Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 08/12/2008 | CA2250581C Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass |
| 08/07/2008 | WO2008093668A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same |
| 08/07/2008 | WO2008092602A1 Process for utilizing the oxidation offgases in terephthalic acid preparation |
| 08/07/2008 | WO2008092363A1 A method of preparing chromic oxide and ferrous oxalate from carbon ferrochrome |
| 08/07/2008 | WO2008067112A3 Oxidation of alkylarenes in expanded liquid reaction mixture |
| 08/07/2008 | WO1998015517A8 Process for the recovery of lactic acid by contacting aqueous solutions containing the same with a basic organic extractant |
| 08/07/2008 | US20080188681 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof |
| 08/07/2008 | US20080187467 Apparatus for the long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound over a catalyst bed, in which, in order to counteract the deactivation of the catalyst bed, the working pressure in the gas phase is increased during time operation |
| 08/06/2008 | EP1951662A1 Fluorinated surfactants for use in making a fluoropolymer |
| 08/06/2008 | EP1951650A1 Process for preparing acrolein or acrylic acid or a mixture thereof from propane |
| 08/06/2008 | EP1838405B1 Method for producing phthalic anhydride that conforms to specifications |
| 08/06/2008 | EP1120391B1 Molecular compounds containing novel carboxylic acid derivatives as the constituent compound |
| 08/06/2008 | CN101238090A Process for preparing L- ( + ) -lactic acid |
| 08/06/2008 | CN101237931A Supported gold catalyst |
| 08/06/2008 | CN101237929A Process for producing catalyst mouldings whose active mass is a multi-element oxide |
| 08/06/2008 | CN101235394A Method for separating and extracting fumaric acid |
| 08/06/2008 | CN101234963A Industrial synthesis technique for DL-naproxen |
| 08/06/2008 | CN101234962A Technique for separating and purifying L-lactic acid |
| 08/06/2008 | CN101234961A Method for preparing lactic acid by applying double pole film electrodialysis technique |
| 08/06/2008 | CN101234960A Method for preparing high-pure lactic acid by using centrifugal molecular distillation technique |
| 08/06/2008 | CN101234959A Method for reclaiming acetic acid from waste water containing dilute acetic acid |
| 08/06/2008 | CN101234944A Method for purifying and separating olefin bond containing active compound |
| 08/06/2008 | CN100408542C Synthesis method of 2,4,5-trifluoro-3-methoxybenzoic acid |
| 08/06/2008 | CN100408541C Process of extracting and separating shikimic acid from aniseed |
| 08/06/2008 | CN100408540C Process of extracting shikimic acid from aniseed |
| 08/06/2008 | CN100408538C Method for extracting and purifying hydroxy-acetic acid by ester solvents |
| 08/06/2008 | CN100408537C Method for production of acrylic acid |
| 08/06/2008 | CN100408164C Titaniun-vanadium-tin comprising catalyst and process for the preparation of phthalic anhydride |
| 08/06/2008 | CN100408157C Reaction method using microreactor |
| 08/05/2008 | US7407975 Epothilone derivatives, method for producing same and their pharmaceutical use |
| 08/05/2008 | CA2245124C Fungicidal 2-methoxybenzophenones |
| 08/05/2008 | CA2220463C Process for improving color and color stability of oleic acid |
| 07/31/2008 | WO2008091186A1 Process for producing potassium formate |
| 07/31/2008 | WO2008090190A1 Method for the production of acrylic acid |
| 07/31/2008 | WO2008036370A3 Liquid-gas phase reactor system |
| 07/31/2008 | US20080183014 Process for preparing acrylic acid |
| 07/31/2008 | US20080183013 Gaseous, one step oxydehydration reaction of glycerol in the presence of molecular oxygen and catalyst capable of catalyzing both a dehydration reaction and an oxidation reaction |
| 07/31/2008 | US20080182972 D-amino acid dehydrogenase and method of making D-amino acids |
| 07/31/2008 | US20080182901 Crystalline acid of lipoxin A4 analogs and method of making |
| 07/31/2008 | US20080182873 Process for the manufacture of hmg-coa reductase inhibitors |
| 07/30/2008 | EP1950191A1 Process for producing 3,3,3-trifluoropropionic acid |
| 07/30/2008 | EP1656034B1 Rumen bypass calcium salts of trans and polyunsaturated fatty acids |
| 07/30/2008 | CN101233097A Process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids or -carboxylic esters |
| 07/30/2008 | CN101233096A Process for producing alpha, beta-unsaturated carboxylic acid |
| 07/30/2008 | CN101232944A Catalyst and method for producing phthalic anhydride |
| 07/30/2008 | CN100406428C Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using catalyst containing macropores |
| 07/30/2008 | CN100406425C Method for refining long-chain biatomic acid |