Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2010
08/25/2010CN101811983A Preparation method of 2,3-diisopropyl-2-cyano diethyl succinate compound
08/25/2010CN101811982A 2,3-diisopropyl-2.3-dicyano-diethyl succinate compound, preparation method and application thereof
08/25/2010CN101811962A Method for synthesizing salicylic acid
08/25/2010CN101811961A Multi-target optimum operation method for p-xylene oxidizing reaction process of industrial device
08/25/2010CN101811960A Carboxylate thermal-reversible cross-linking agent and preparation method thereof
08/25/2010CN101811958A Process for separating and extracting natural ferulic acid with content not more than 98% from wastes in rice bran oil processing
08/25/2010CN101811957A Preparation method of 2,2-dimethylbenzanthracene
08/25/2010CN101811956A Preparation method and application of trans-crocetin
08/25/2010CN101811955A Method for producing acrylic acid
08/25/2010CN101811954A Method for preparing azelaic acid by catalytic oxidation of oleic acid
08/25/2010CN101811953A Method for extracting succinic acid from fermentation broth
08/25/2010CN101811952A Production method of doped ferrous oxalate
08/25/2010CN101811059A Catalyst for catalyzing and dehydrating lactate and preparation and application thereof
08/25/2010CN101811045A Catalyst for preparing acetic acid through direct oxidation of ethylene gaseous phase and preparation method thereof
08/25/2010CN101811041A Method for preparing crude terephthalic acid refined catalyst
08/25/2010CN101811023A Preparation method, product and applications thereof of acetate deep deiodination adsorbent
08/25/2010CN101279906B Method for producing acetic acid by liquid phase catalytic degradation of waste polypropylene plastic
08/25/2010CN101139248B Method for generating polyvalent alcohol and formiate by extractive crystallization separating cannizzaro process
08/25/2010CN101085731B Method for reclaiming oxalic acid from terramycin purification liquid
08/25/2010CN101077857B Method for producing naphthalenedicarboxylic acid
08/25/2010CN101003477B Method for producing acrylic acid
08/25/2010CN100999458B Oxidation reactor for producing terephthalic acid
08/24/2010US7781600 Process for purifying hydroxycarboxylic acid, process for producing cyclic ester, and process for producing polyhydroxycarboxylic acid
08/24/2010US7781407 Reacting a gluconic acid with lactic acid in the presence of calcium hydroxide and water to obtain a calcium gluconolactate molecule having the formula HO-CH2-(CHOH)4-COO-Ca-OOC-CH(-OH)-CH3 with molecular weight of 324.2994; physical and chemical properties; nutraceuticals
08/24/2010US7781003 calcium fortify beverages such as fruit juices, or foods; has an X-ray powder diffraction pattern comprising peaks at 2-theta (2 theta ) values of about 8.236, about 16.02, about 17.97, about 19.75, about 21.42, about 25.74, and about 28.65; dissolved in a beverage; dispersed in a food
08/19/2010WO2010093320A1 A method for separating from suberin and/or cutin containing plants, a solid and/or oil fraction enriched in cis-9,10- epoxy-18-hydroxyoctadecanoic acid
08/19/2010WO2010092500A2 A process for the preparation of tolterodine tartrate
08/19/2010US20100210873 Method for producing carboxylic acid
08/19/2010US20100210872 Method for making hindered phenolic antioxidant
08/19/2010US20100210857 Three-Layered or Four-Layered Catalyst Systems for Producing Phthalic Anhydride
08/18/2010EP2218710A1 Procedure for the preparation of 2,6-diethyl-4-methylphenylacetic acid
08/18/2010EP1562887B1 Method for producing lubricant detergents
08/18/2010CN1964784B Palladium-containing catalyst and method for producing same
08/18/2010CN101809061A Integrated polyester production facility
08/18/2010CN101808974A improved vaporisation in oxidation to phthalic anhydride
08/18/2010CN101808973A Method and apparatus for making acetic acid with improved purification
08/18/2010CN101808972A Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts
08/18/2010CN101808971A Process for production of phenol derivatives substituted with iodine at ortho position
08/18/2010CN101808721A improved mixing in oxidation to phthalic anhydride
08/18/2010CN101805807A Method for hydrolyzing cellulose-containing plant waste by taking AlCl3 as catalyst in near-critical water
08/18/2010CN101805257A Preparation method for phthalyl chloride, m-phthaloyl chloride and paraphthaloyl chloride
08/18/2010CN101805256A Application of gold/mesoporous carbon catalyst in glucose selective oxidation reaction to prepare gluconic acid
08/18/2010CN101805255A New manufacturing method of dicarboxylic acid for electrolyte and salts thereof
08/18/2010CN101805254A Simple method for preparing 2-methylglutaric acid
08/18/2010CN101805253A Method for synthesizing cobalt neocaprate through water solvent
08/18/2010CN101805252A Process for producing formic acid
08/18/2010CN101804044A Abietate used for inhibiting helicobacter pylori
08/18/2010CN101302148B Method for producing aminic acid by glycerin water thermal reduction of CO2
08/18/2010CN101260031B Method for preparing low-grade aliphatic acid from benzene and its homologues waste water
08/18/2010CN101024704B Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
08/17/2010US7777082 Preparation of annular unsupported catalysts
08/17/2010US7777075 Fluoroethercarboxylic acid and production method thereof, surfactant, method of producing fluoropolymer and aqueous dispersion used thereof
08/17/2010CA2477848C Process for producing furfural, formic acid and acetic acid from spent pulp-cooking liquor
08/12/2010WO2010090695A2 Allyl diacetate decomposition
08/12/2010WO2010090143A1 Process for production of (meth)acrylic acid
08/12/2010WO2010090100A1 Method for regenerating filter
08/12/2010WO2010089512A1 Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester
08/12/2010WO2010088865A2 New salts of desvenlafaxine and a method of their preparation
08/12/2010US20100204513 Preparation process of a complex oxide catalyst and application thereof to the synthesis of the acrylic acid
08/12/2010US20100204512 Process for the reduction of aldehyde concentration in a target stream
08/12/2010US20100204502 Process for manufacturing acrolein from glycerol
08/12/2010US20100204488 Silver- and vanadium-containing multimetal oxide and its use
08/12/2010US20100204223 2-Substituted phenyl-5,7-dihydrocarbyl-3,7-dihydropyrrolo[2,3-d] pyrimidin-4-one derivatives, the preparation and the pharmaceutical use thereof
08/12/2010US20100204068 Methods for controlling depolymerization of polymer compositions
08/12/2010US20100204038 Catalysts based on metal complexes for the synthesis of optically active chrysanthemic acid
08/12/2010US20100200463 Process for the hydroconversion of heavy oils
08/12/2010DE102009045767A1 Method for commissioning process for purified separation of acrylic acid crystals from suspension of its crystals in mother liquor with device having hydraulic washing column that has process chamber limited by a cylindrical lateral wall
08/12/2010CA2751143A1 Allyl diacetate decomposition
08/12/2010CA2747699A1 Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester
08/11/2010EP2216319A2 Oligomers of straight-chain and unbranched fatty acids, and medicaments containing the same
08/11/2010EP2125687B1 Process for the synthesis of ethers of aromatic acids
08/11/2010EP2076482B1 Method for the production of alpha-keto acids and esters thereof
08/11/2010EP1861348B1 Process and apparatus for manufacturing pure forms of aromatic carboxylic acids
08/11/2010EP1546083B1 Novel substituted arylhexadienoic acids and esters thereof which can be used for the treatment and prevention of diabetes, dyslipidaemia and atherosclerosis, pharmaceutical compositions comprising them and processes for the preparation of them
08/11/2010CN1984862B Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
08/11/2010CN101801906A Process for the preparation of esters of 4-fluorosubstituted 3-oxo-alcanoic acids
08/11/2010CN101801902A Process for manufacturing acrolein from glycerol
08/11/2010CN101798286A 1-(3-chlorine-2-hydroxyl-propyl)-3-alkyl imidazole ionic liquid and preparation method thereof
08/11/2010CN101798281A 1-(3-chlorine-2-hydroxyl-propyl)pyridine ionic liquid and preparation method thereof
08/11/2010CN101798262A Method for treating water leakage of cooler in chloroacetic acid production
08/11/2010CN101797523A Method of iodide removal
08/11/2010CN101219946B Method for recycling waste liquor of ammonium hexanedioic acid and recycling system thereof
08/11/2010CN101190784B Dilute hydrogen nitrate concentration technique in hexanedioic acid production
08/11/2010CN101018757B Preparation of organic acids from aldehyde compounds by means of liquid phase oxidation reaction
08/11/2010CN101012164B Device and method of refining and separating acetic anhydride of liquid phase carbonyl generation acetic anhydride reaction system
08/11/2010CN100999462B Process and equipment of continuous dehydrogenating producing sodium oxalate by circulating fluidized bed
08/10/2010US7772442 catalytic oxidation of olefins in a shell-and-tube reactor; multilayer of catalyst whose pore size and the pore density are controlled so that the specific surface area increases from the inlet of the reactor to the outlet of the reactor; micropores allow heat dissipation; high yield
08/10/2010US7772424 producing purified terephthalic acid from para-xylene; purification; reduce impurities and by-products
08/10/2010US7772422 Polymerization of poly vinyl acetate; adding a base and methanol to form poly vinyl alcohol and a methyl acetate byproduct stream; purifying by extractive distillation
08/10/2010US7772419 Carbonylation of ester
08/10/2010CA2447761C Oxidative halogenation of c1 hydrocarbons to halogenated c1 hydrocarbons and integrated processes related thereto
08/05/2010WO2010087262A1 Method for producing silica-supported catalyst, and method for producing unsaturated carboxylic acid or unsaturated nitrile
08/05/2010WO2010086700A2 An improved process for the preparation of choline salt of fenofibric acid and its novel polymorph
08/05/2010WO2010063762A3 Process for the preparation of a monovalent succinate salt
08/05/2010US20100197965 Method for the catalytic conversion of 2-hydroxy-4-methylthiobutanenitrile (hmtbn) into 2-hydroxy-4-methylthiobutanamide (hmtbm)
08/05/2010US20100197950 Process for preparing phenoxy acetic acid derivatives
08/05/2010US20100197029 Direct method and reagent kits for fatty acid ester synthesis
08/04/2010EP1844061B1 Metallocene-based phosphorus chiral phosphines
08/04/2010EP1613570B1 Metal ion exchanged solid materials as catalysts for the skeletal isomerization of fatty acids and alkyl esters thereof
08/04/2010EP1498405B1 Liquid vegetable unsaturated alcohol and process for producing the same
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