Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/2011
10/05/2011EP2370476A1 Synthesis of styrene-soluble ionic comonomer
10/05/2011EP2369920A1 Synthesis of styrene-soluble ionic comonomer
10/05/2011EP1828095B1 A process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group
10/05/2011CN201999923U Waste heat recovery device of flash cooler
10/05/2011CN102206195A Crystalline quetiapine fumarate and pharmaceutical compositions thereof
10/05/2011CN102206159A Preparation method and synthesizing method of alpha-phenylethylamine acetate
10/05/2011CN102206152A Method for chemically synthesizing 3,5-diio-2-hydroxybenzene formyl chloride
10/05/2011CN102206151A Synthetic method of royaljelly acid
10/05/2011CN102206150A Method for purifying 2-phenylpropionic acid
10/05/2011CN102206149A Method for preparing corresponding diacid by catalytic oxidization of naphthene
10/05/2011CN102206141A Molecular distillation separation method of bio-oil
10/05/2011CN102206014A Sodium carboxymethylcellulose (CMC) production waste water treatment and valuable ingredient comprehensive use process
10/05/2011CN102205184A Technology for producing calcium lactate crystals by using rotating drum
10/05/2011CN101501099B Polymer having bis(diphenylphosphino)binaphthyl group
10/05/2011CN101311155B Process for preparing chloro-pivalyl chloride
10/05/2011CN101024606B Method for centrifugally separating slurry containing aromatic carboxylic acid
10/04/2011CA2447417C Method for the production of solid formulations of sodium 3-hydroxy-3-methylbutyrate
10/01/2011CA2734617A1 Processes for producing succinic acid from fermentation broths containing diammonium succinate
09/2011
09/29/2011WO2011119427A1 Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid
09/29/2011WO2011119395A2 Recovery of aromatic carboxylic acids and oxidation catalyst
09/29/2011WO2011119128A1 Ultra-pure aqueous solution of a metal carboxylate
09/29/2011WO2011117475A1 Method of treating tall oil pitch
09/29/2011WO2011041337A3 Systems and methods for reducing entrainment background
09/29/2011WO2010148080A3 Cyclohexane 1,4 carboxylates
09/29/2011WO2010086700A3 An improved process for the preparation of choline salt of fenofibric acid and its novel polymorph
09/29/2011US20110237831 Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid
09/29/2011US20110237830 Novel catalyst mixtures
09/29/2011US20110237829 Method For Manufacturing Catalyst For Use In Production Of Methacrylic Acid
09/29/2011US20110237828 Acrolein production method and acrylic acid production method
09/29/2011CA2794464A1 Recovery of aromatic carboxylic acids and oxidation catalyst
09/28/2011EP2368870A1 Process for producing optically active carboxylic acid
09/28/2011CN201990617U 偏苯三酸酐生产使用的氧化设备 Trimellitic anhydride production and use of oxidation equipment
09/28/2011CN102203047A Process for production of optically active organic carboxylic acid
09/28/2011CN102203046A Dicarboxylic acid production with direct fired off-gas heating
09/28/2011CN102203045A Dicarboxylic acid production with self-fuel oxidative destruction
09/28/2011CN102203044A Dicarboxylic acid production with enhanced energy recovery
09/28/2011CN102203043A Dicarboxylic acid production with minimal wastewater generation
09/28/2011CN102203042A Improved pure carboxylic acid filtration
09/28/2011CN102203041A Integrated co-production of dicarboxylic acids
09/28/2011CN102203040A Methacrylic acid manufacturing method and catalyst for methacrylic acid manufacture
09/28/2011CN102199165A Preparation method for vinorelbine tartrate
09/28/2011CN102199147A Nitroimidazole derivative in therapy
09/28/2011CN102199092A Production technology for acquiring two antioxidant agents from Rosmarinus officinalis L.
09/28/2011CN102199087A Treatment method of L-gulonic acid secondary mother liquor
09/28/2011CN102199086A Method for synchronously hydrolyzing cellulosic biomass
09/28/2011CN102199085A Preparation method of 2-(4-alkylphenyl) propanoic acid
09/28/2011CN102199084A Method for preparing 1,1-cyanohexanediacetic acid through continuous hydrolysis of cyano amide salt
09/28/2011CN102199083A Chemical synthetic method for n-butyryl chloride
09/28/2011CN102199082A Recovery of aromatic carboxylic acids and oxidation catalyst
09/28/2011CN102198403A Pore structure supported catalyst Al2O3-AlBrx and preparation and application thereof
09/28/2011CN101745428B Catalyst for use in catalytic conversion of carbon dioxide into methacrylic acid and application thereof
09/28/2011CN101302150B Synthetic method of 2-(2,4- dichlorophenoxy) propionic acid
09/28/2011CN101090769B Method for producing a multi-layer catalyst for obtaining phthalic anhydride
09/27/2011US8026380 System and process for production of fatty acids and wax alternatives from triglycerides
09/27/2011US8026277 Flavor composition or fragrance composition, product containing the flavor composition or fragrance composition, and novel ester compound
09/27/2011CA2554374C Process for preparing alpha-hydroxy carboxylic acids and esters thereof
09/26/2011CA2734627A1 Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid
09/22/2011WO2011115136A1 Method for producing succinic acid
09/22/2011WO2011114051A1 Method for manufacturing polymer-grade bio-based acrylic acid from glycerol
09/22/2011WO2011113920A1 Method for the catalytic gas phase oxidation of hydrocarbons and catalysis reaction device
09/22/2011WO2011113918A1 Catalyst for gas-phase oxidations on the basis of sulfur- and calcium-poor titanium dioxide
09/22/2011WO2011113859A1 Processes and intermediates for preparing a macrocyclic protease inhibitor of hcv
09/22/2011WO2011113748A2 Method for recycling the materials of aqueous mixtures
09/22/2011US20110230669 Process for the production of artemisinin intermediates
09/22/2011US20110229529 Lipid vesicle compositions and methods of use
09/22/2011US20110229403 Gaseous Ammonia Removal System
09/22/2011DE102010011691A1 Verfahren zur stofflichen Verwertung von wässrigen Gemischen Method for recycling of aqueous mixtures
09/22/2011CA2793129A1 Processes and intermediates for preparing a macrocyclic protease inhibitor of hcv
09/21/2011EP2365877A1 Nanoparticular metal oxide/anatase catalysts
09/21/2011EP2365746A1 Synthesis of (phenylalkyloxy)phenyl-oxobutanoic acids
09/21/2011EP1631537B1 Method for selective carbohydrate oxidation using supported gold catalysts
09/21/2011CN102196859A 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
09/21/2011CN102196856A A polybenzimidazole based membrane for deacidification
09/21/2011CN102190650A Method for preparing indoquinoline tartrate
09/21/2011CN102190644A Chiral 3-hydroxypyridin-4-one derivatives, synthesis and application thereof
09/21/2011CN102190623A Method for preparing imidazole acetate ionic liquid
09/21/2011CN102190609A 3-chloro-4-methoxy peroxybenzoic acid and intermediate and preparation method thereof
09/21/2011CN102190581A Process for preparing 4'-halogenalkyl-biphenyl-2-carboxylic acids
09/21/2011CN102190580A Preparation method of 3-ethoxy-4-hydroxymandelic acid used as intermediate for synthesizing ethyl vanillin
09/21/2011CN102190579A Method for treating citric acid-containing solution
09/21/2011CN102190578A Method for preparing hypophosphorous acid (salt) and gluconic acid (salt) from glucose phosphate serving as raw material
09/21/2011CN102190577A Full-automatic constant-temperature continuous acidolysis process for L-lactic acid
09/21/2011CN102190576A Ion exchange liquid desugarization process for L-lactic acid
09/21/2011CN102190575A Method for recovering binary acid from waste alkali liquor in cyclohexane oxidation
09/21/2011CN102190574A Method for preparing 2-chloropropionyl chloride with high optical activity
09/21/2011CN102190573A Method for preparing formic acid through electrochemical catalytic reduction of carbon dioxide
09/21/2011CN102190572A Method for separating and purifying long-chain dicarboxylic acid
09/21/2011CN102190556A Method for hydrolyzing methyl acetate
09/21/2011CN101475463B Method for coproduction of high purity aminic acid and acid sodium phosphate by reaction of calcium formate and peroxyphosphoric acid
09/21/2011CN101445449B Production method and device for sodium gluconate energy-saving triple effect concentration and crystallization
09/21/2011CN101417942B Method for preparing p-hydroxymandelic acid
09/20/2011CA2627481C Shaped catalyst body for partial oxidation reactions
09/20/2011CA2506414C Calcium salt saponification of polyunsaturated oils
09/15/2011WO2011110927A1 A method for the extraction of shikimic acid
09/15/2011WO2011020878A3 Method for producing 4-pentenoic acid
09/15/2011US20110224452 Method for obtaining polyunsaturated fatty acid derivatives
09/15/2011US20110224431 Triazolium Carbene Catalysts and Stereoselective Bond Forming Reactions Thereof
09/15/2011DE102010010997A1 Verfahren und Vorrichtung zur Destillation von zur Polymerisation neigenden Verbindungen Method and apparatus for distillation of a tendency to polymerize compounds
09/15/2011DE102010010984A1 Verfahren zur Herstellung von Dicarbonsäuren oder Dicarbonsäureestern durch Metathese Process for the preparation of dicarboxylic acids or dicarboxylic acid esters by metathesis
09/14/2011EP2364776A1 Catalyst coated honeycomb substrates and methods of using them
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 432