Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2011
08/04/2011WO2011092228A1 Method for producing carboxylic acids having 1-3 carbon atoms from renewable resources
08/04/2011WO2011037929A3 Pd(ii)-catalyzed hydroxylation of arenes with o2 or air
08/04/2011WO2011028866A3 Process for the synthesis of fluorinated ethers of aromatic acids
08/04/2011US20110190537 Oxidation System with Sidedraw Secondary Reactor
08/04/2011US20110190536 Oxidation System with Sidedraw Secondary Reactor
08/04/2011US20110190520 Process for the preparation of cyclopropyl carboxylic acid esters and derivatives
08/04/2011US20110189740 Catalyst for the decomposition of lignin, method for the preparation of alcohols and organic acids, method for the preparation of lignin-decomposition products, catalyst for the decomposition of aromatic hydrocarbons, method for releasing hydrogen ions, as well as porphyrin
08/04/2011DE102010006854A1 Verfahren zur Gasphasenoxidation von Kohlenwasserstoffen A process for the gas phase oxidation of hydrocarbons
08/04/2011DE102010006191A1 Producing metal acetylide compound, useful e.g. as starting compound for producing vaporizable metal compound, comprises reacting metal oxide or metal carbonate with alkyne, in presence of acid that is reactive with metal oxide
08/04/2011DE102010001399A1 Verfahren zur Herstellung von Carbonsäuren mit 1-3 Kohlenstoff-atomen aus nachwachsenden Rohstoffen Process for the preparation of carboxylic acids having 1-3 carbon atoms derived from renewable raw materials
08/04/2011CA2787930A1 Oxidation system with sidedraw secondary reactor
08/04/2011CA2787901A1 Oxidation system with sidedraw secondary reactor
08/04/2011CA2787899A1 Oxidation system with sidedraw secondary reactor
08/04/2011CA2787875A1 Process for preparing and purifying fatty acids
08/04/2011CA2786914A1 Method for producing carboxylic acids having 1-3 carbon atoms from renewable resources
08/03/2011EP2351729A1 Process for production of optically active organic carboxylic acid
08/03/2011EP2350248A1 Solubilizer for metal ions
08/03/2011EP2349971A1 Dicarboxylic acid production with enhanced energy recovery
08/03/2011EP2349970A2 Methanol carbonylation with improved aldehyde removal
08/03/2011EP1888229B1 Multi-layered catalyst for producing phthalic anhydride
08/03/2011CN102140090A Dipeptidyl peptidase inhibitors
08/03/2011CN102140082A [ethyl (R)-(+)-beta-(1- methylimidazolyl)-propionate]X chiral ionic liquid and synthesis method thereof
08/03/2011CN102140063A Method for synthesizing derivative of trifluoromethyl acrylic acid
08/03/2011CN102140062A Method for preparing 2,5-dimethyl phenylacetic acid
08/03/2011CN102140061A Preparation method of naphthenic propionic acid
08/03/2011CN102139230A Method for preparing TiO2-C composite carrier for p-carboxybenzaldehyde hydrogenation process
08/03/2011CN102139211A Method for preparing noble metal/TiO2-C catalyst for hydrofining of crude terephthalic acid
08/03/2011CN102139197A Method for preparing modified micro granules
08/03/2011CN101397246B Method for preparing 2,3-dialkyl succinic acid and ester compounds thereof
08/03/2011CN101111466B Layered double hydroxide peelable in water, and production process and use thereof
08/02/2011US7989659 Method and apparatus for making acetic acid with improved light ends column productivity
08/02/2011CA2507497C A low water methanol carbonylation process for high acetic acid production and for water balance control
08/02/2011CA2445917C Organic acid metal salt and coating liquid containing the same for forming a metal oxide film
07/2011
07/28/2011WO2011089874A1 Clathrate and method for producing same
07/28/2011WO2011089074A1 Method for oxidizing hydrocarbons
07/28/2011WO2011070553A8 Procedure for obtaining coated acid salts
07/28/2011WO2011035064A3 Triazole catalysts and methods of making and using the same
07/28/2011US20110184209 Process for producing carbonyl difluoride
07/28/2011US20110184208 Catalytic oxidation reactions in supercritical or near-supercritical water for the production of an aromatic carboxylic acid
07/28/2011US20110184191 Two-zone fluidised-bed reactor
07/28/2011US20110183956 Process for the synthesis of ezetimibe and intermediates useful therefor
07/28/2011US20110180968 Method for making carbon nanotube metal composite
07/27/2011EP2348008A1 Methods for the synthesis of acrylic acid and derivatives from fumaric acid
07/27/2011EP2347823A1 Catalyst for acrylic acid production and process for producing acrylic acid using the catalyst
07/27/2011EP2346585A1 Method of recovering carboxylic acids from dilute aqueous streams
07/27/2011EP2011780B1 Process for producing methacrolein and/or methacrylic acid
07/27/2011EP1404638B1 Synthesis of 4-phenylbutyric acid
07/27/2011EP1317409B2 Method for the purification of an alpha-hydroxy acid on an industrial scale
07/27/2011CN1622856B Catalyst supported on carbon having macroporosity for purification of aromatic acids
07/27/2011CN102137833A Use of foam bodies in oxidation reactors for preparing unsaturated aldehydes or carboxylic acids
07/27/2011CN102137707A Process and equipment for recovery of valuable materials from terephthalic acid manufacture
07/27/2011CN102134616A Method for fully utilizing biobased products prepared by semicellulose of straws as well as components thereof
07/27/2011CN102134231A Dipeptidyl peptidase inhibitors
07/27/2011CN102134230A Dipeptidyl peptidase inhibitors
07/27/2011CN102134229A Dipeptidyl peptidase inhibitors
07/27/2011CN102134190A Polycarboxylic acid for electrolyte as well as preparation method and application thereof
07/27/2011CN102134189A Process for the separation of organic and amino acids from fermentation broths
07/27/2011CN102134180A New loop opening hydrogenation reaction method for furan derivant
07/27/2011CN101381297B Method for separating caprylic acid from mixture of caprylic acid and capric acid
07/27/2011CN101348807B Method for enrichment of n-3 polyunsaturated fatty acid glyceride from fish oil
07/27/2011CN101237931B Supported gold catalyst
07/27/2011CN101205182B Method for manufacturing high-purity terephthalic acid
07/27/2011CN101006040B Method for producing aminothiazole derivative and production intermediate
07/26/2011US7985878 Method for removing iodide compound from organic acid
07/26/2011US7985877 Carboxylic acid compound, use thereof, and process for producing the same
07/26/2011US7985875 Process for preparing aromatic polycarboxylic acid by liquid phase oxidation
07/26/2011US7985705 Three-layered, four-layered, or five-layered catalyst systems for producing phthalic anhydride
07/21/2011WO2008060383A3 Methods of making organic acid and organic aldehyde compounds by metathesis
07/21/2011US20110178336 Method of producing phthaloyl dichloride compound, catalyst for use in the method, and method of forming the catalyst
07/21/2011US20110178335 Use of formate-based porous metal organic frameworks for methane storage
07/21/2011US20110178333 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same
07/21/2011US20110178332 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same
07/21/2011US20110178331 Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water-absorbent resin
07/21/2011US20110178175 Method for producing mechanically activated amorphous and amorphocrystalline compounds of gluconic acid calcium salt
07/21/2011DE112009002089T5 Verfahren zur Herstellung von Ammoniumsalzen der Fumar- oder Bernsteinsäure Process for the preparation of ammonium salts of fumaric acid or succinic acid
07/21/2011DE102010004795A1 Converting carbon dioxide into partially reduced precursor for the production of organic compounds, comprises transferring carbon dioxide into accumulation tank and concentrating in alkaline solution and reacting after pumping
07/20/2011EP2345632A1 Process for the separation of organic and amino acids from fermentation broths
07/20/2011EP2344468A1 Process for the preparation of ramelteon
07/20/2011EP2344440A1 Dicarboxylic acid production with self-fuel oxidative destruction
07/20/2011EP2344439A1 Dicarboxylic acid production with minimal wastewater generation
07/20/2011EP2344438A1 Dicarboxylic acid production with direct fired off-gas heating
07/20/2011CN1978422B Method for separating and purifying shikimic acid
07/20/2011CN102131763A Method for production of unsaturated alpha, omega dicarboxylic acids and/or unsaturated alpha, omega dicarboxylic acid diesters
07/20/2011CN102131759A Process for preparing fluorocarboxylic acid
07/20/2011CN102131758A Compositions for carboxylic acid production and methods for making and using same
07/20/2011CN102131581A Catalyst for degrading lignin, catalyst for degrading aromatic hydrocarbon, and porphyrin
07/20/2011CN102127424A Iridium metal coordination compound organic fluorescent nanoparticles and preparation method thereof
07/20/2011CN102127125A Multielement combined purification preparation process of refined tannic acid serie and combined preparation of products
07/20/2011CN102127028A Chiral oxazoline and synthesis method thereof
07/20/2011CN102127021A Preparation method of water-soluble amino acid-derived bisbenzimidazole salt
07/20/2011CN102127004A New derivatives of azabicyclo[3.2.0]hept-3-yl, method for preparing same and pharmaceutical compositions containing them
07/20/2011CN102126993A Resveratrol derivative and application thereof to preparation of antitumor medicaments
07/20/2011CN102126945A Method for recycling purified terephthalic acid
07/20/2011CN102126944A Method for preparing single configuration mandelic acid or mandelic acid derivative by using chiral resolving agent
07/20/2011CN102126943A Recycling and separating process of heavy component residual liquid in carbonylation production process of acetic acid
07/20/2011CN101559927B Green technology for synchronously producing chlorine dioxide and glyoxalic acid
07/20/2011CN101440031B Method for preparing high-purity calcium lactate from oyster shell
07/20/2011CN101402561B Racemization method for L-naproxen
07/20/2011CN101381300B Method for synthesizing 2,2-bis(hydroxymenthyl)propinonic acid
07/20/2011CN101367721B Method for preparing benzene acetic acid with phenylacetonitrile hydrolyzation in ammonia-containing high temperature liquid water medium
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