| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 10/12/2010 | US7812190 Forming at least two charged functional groups to provide for water-solubility and in vivo biodistribution; ionic mobility; metallization, carboxylation |
| 10/12/2010 | US7812186 Reacting an unsaturated fatty acid ester such as methyl oleate with oxidizer to form a vicinal diol such as methyl dihydroxystearate, then reacting with oxygen to convert the hydroxy groups to carboxy groups; biodiesel or lubricants; process uses no organic solvents |
| 10/12/2010 | US7811524 A multitubular apparatus and a control system, are provided for controlling temperature change of a heat medium in the reaction apparatus, and quickly adjusting fluctuation in temperature, to control properly a reaction, such as producing (meth)acrylic acid; stabilization |
| 10/12/2010 | CA2442510C Method for eliminating oxygenated organic molecules that are present in an organic effluent using alumina agglomerates |
| 10/07/2010 | WO2010115099A1 Process for making catalysts useful for the conversion of paraffins to olefins |
| 10/07/2010 | WO2010111935A1 New salvianolic acid compound l, preparation method and use thereof |
| 10/07/2010 | WO2010090695A3 Purification process of allyl acetate via allyl diacetate decomposition |
| 10/07/2010 | US20100256415 Method and apparatus for separating and refining high purity 2,6-naphthalene dicarboxylic acid using crystallization |
| 10/07/2010 | DE102009014626A1 Verfahren zur Herstellung aliphatischer Carbonsäuren aus Aldehyden durch Mikroreaktionstechnik Process for the preparation of aliphatic carboxylic acids from aldehydes by micro reaction technology |
| 10/07/2010 | CA2756823A1 New compound of salvianolic acid l, preparation method and use thereof |
| 10/06/2010 | EP2234953A1 Process for the preparation of diacerin |
| 10/06/2010 | EP1303474B1 Process for the preparation of enantiomerically pure pyrethroid insecticides |
| 10/06/2010 | CN201598245U 己二酸氧化反应设备系统 Adipic acid oxidation reaction apparatus system |
| 10/06/2010 | CN1492781B Process for producing catalyst and method for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 10/06/2010 | CN101855194A Method and apparatus for making acetic acid with improved productivity |
| 10/06/2010 | CN101855192A Fluoroolefin monomers and copolymers thereof |
| 10/06/2010 | CN101851643A Production equipment of crystalline L-lactic acid and method of producing crystalline L-lactic acid with production equipment |
| 10/06/2010 | CN101851158A Method for preparing high-purity carnosic acid by continuous medium pressure column chromatography |
| 10/06/2010 | CN101851157A Method for preparing and purifying hydroxyacetic acid by using hydroxyacetonitrile as raw material |
| 10/06/2010 | CN101851156A Method for recovering fumaric acid from tiamulin production mother solution |
| 10/06/2010 | CN101851155A Method for separating octadecadienoic acid from mixed long-chain fatty acid |
| 10/06/2010 | CN101284772B Synthetic method of D-(+)-2-chloro-propanoyl chloride |
| 10/05/2010 | USRE41806 Process for producing a fluorine atom-containing sulfonyl fluoride compound |
| 10/05/2010 | US7807858 Process for production of fluoro derivative |
| 10/05/2010 | US7807853 preparation of acrylic acid particularly low in or free of propionic acid, without requiring a crystallizative removal of acrylic acid; in the starting reaction gas mixture, cyclopropane is substantially avoided as an impurity and crude propylene is used additionally as a propylene source; metal oxides |
| 10/05/2010 | CA2407831C Process for the catalytic oxidation of hydrocarbons |
| 10/05/2010 | CA2382831C Process and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylate |
| 10/05/2010 | CA2364245C Water soluble group ia and iia double metal salt of(-)- hydroxycitric acid |
| 09/30/2010 | WO2010111288A2 Spray process for selective oxidation |
| 09/30/2010 | WO2010108586A1 Method for producing aliphatic carboxylic acids from aldehydes by microreaction technology |
| 09/30/2010 | WO2010108252A1 Apparatus and method for recovery of acetic acid from an aqueous solution thereof |
| 09/30/2010 | US20100249457 Apparatus and method for recovery of acetic acid from an aqueous solution thereof |
| 09/30/2010 | US20100249456 Use of Predehydration Towers In an Ethane Oxidation To Acetic Acid/Ethylene Process |
| 09/30/2010 | US20100249455 Process for producing acrolein and acrylic acid |
| 09/30/2010 | US20100249454 Process for producing acrylic acid |
| 09/30/2010 | US20100249453 Removing hydrocarbon impurities from acetic acid production intermediate |
| 09/30/2010 | US20100249452 Method for the oxidation of cycloaliphatic alcohols, cycloaliphatic ketones, or mixtures thereof with aqueous nitric acid and treatment of the dicarboxylic acids |
| 09/30/2010 | US20100249451 Process for the preparation of substituted benzilic acid from substituted benzils |
| 09/30/2010 | CA2756060A1 Spray process for selective oxidation |
| 09/30/2010 | CA2752790A1 Process for the treatment of an ion exchange resin |
| 09/29/2010 | EP2231588A1 Organic salts of -alanine |
| 09/29/2010 | EP2231579A1 Carbonylation process for the production of acetic acid and/or methyl acetate |
| 09/29/2010 | EP2231573A1 Gossypol and apogossypol derivatives, preparation thereof and uses thereof |
| 09/29/2010 | EP2231513A2 A process to make a clay comprising charge-balancing organic ions, clays thus obtained, and nanocomposite materials comprising the same |
| 09/29/2010 | EP1399402B1 Intermediate halophenyl derivatives and their use in a process for preparing azole derivatives |
| 09/29/2010 | CN1988955B Method for producing oxygen-containing compound |
| 09/29/2010 | CN1984863B Method for the purification of (meth)acrylic acid |
| 09/29/2010 | CN1980878B Method for the production of acrolein, acrylic acid, or a mixture thereof by means of heterogeneously catalyzed partial gas phase oxidation of propylene |
| 09/29/2010 | CN1942394B Preparation of syngas for acetic acid synthesis by partial oxidation of methanol feedstock |
| 09/29/2010 | CN1906145B Integrated process for acetic acid and methanol |
| 09/29/2010 | CN1823029B Carbonylation process using metal-tridentate ligand catalysts |
| 09/29/2010 | CN101848883A Process for producing methacrolein and/or methacrylic acid |
| 09/29/2010 | CN101844979A Preparation method of disodium stannous citrate crystal |
| 09/29/2010 | CN101844978A Synthesis method of 2-(2-chloroethoxy) acetic acid |
| 09/29/2010 | CN101844977A Ammonium gluconate and production method and application thereof |
| 09/29/2010 | CN101844976A Method for preparing butanedioic acid under catalytic hydrogenation |
| 09/29/2010 | CN101844975A Fatty diacid aluminium isopropoxide and preparation method thereof and application in preparing benzofuranol |
| 09/29/2010 | CN101844974A Method for separation of mixture of acetic acid and water by extractive distillation by using tetrahydrofuran-2-methanol as extracting agent |
| 09/29/2010 | CN101844082A Method for regenerating inactivated palladium-bismuth-carbon catalyst in catalytic oxidation of glucose |
| 09/29/2010 | CN101844058A Equipment for producing chloroacetic acid |
| 09/29/2010 | CN101402045B Catalyst for synthesis of propionic acid with ethyl alcohol carbonylation method |
| 09/29/2010 | CN101260032B Modified technique for preparing acrylic acid by propylene two-step oxygenation method |
| 09/29/2010 | CN101092343B Method for preparing cobalt acetate |
| 09/29/2010 | CN101066528B Composite oxide catalyst and method for preparation thereof |
| 09/28/2010 | US7803969 Continuous process for the production and purification of acrylic acid |
| 09/28/2010 | US7803968 Oxidation of cycloalkanes by oxygen to dicarboxylic acids using an oxidation catalyst and lipophilic solvent; solvent extraction of the diacid using countercurrent-flow in a liquid extraction column with water followed by extraction with the starting material; efficiency; purity; low temperature |
| 09/28/2010 | CA2480597C Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
| 09/23/2010 | WO2010106550A2 A process for the preparation of n-[[trans-4-(1-methylethyl)cyclohexyl]carbonyl]-d-phenylalanine |
| 09/23/2010 | WO2010106121A1 Solvent-free production of magnesium formate based porous metal-organic frame material |
| 09/23/2010 | WO2010105950A1 Method for converting aromatic aldehydes to aromatic acyl halides |
| 09/23/2010 | WO2010105574A1 Preparation method of pimaric acid type resin acid |
| 09/23/2010 | US20100240925 Methods for making unsaturated acids using catalysts for methacrolein oxidation |
| 09/23/2010 | US20100240924 2-ethyl-4,6-dimethyl-phenyl-substituted tetramic acid derivatives as pest control agents and/or herbicides |
| 09/23/2010 | US20100240896 Method for hydroformylation |
| 09/23/2010 | DE10161318B4 Oxidkatalysator für die Oxidation oder Ammonoxidation Oxide catalyst for the oxidation or ammoxidation |
| 09/23/2010 | CA2754607A1 Solvent-free preparation of magnesium formate-based porous metal-organic framework |
| 09/22/2010 | EP2229235A1 Carbonylation process with in situ regeneration of mordenite catalyst |
| 09/22/2010 | EP1784377B1 Optimized liquid-phase oxidation |
| 09/22/2010 | CN201587916U Continuous production device for nonandioic acid refining and purification |
| 09/22/2010 | CN101842341A Gas phase catalytic oxidation reaction process |
| 09/22/2010 | CN101838194A Method for preparing dimeric acyl chloride and product |
| 09/22/2010 | CN101838193A Light-colored low-phosphorous dimer acid production process |
| 09/22/2010 | CN101838192A Trimethylacetic acid crude product refining process and device |
| 09/22/2010 | CN101524649B Preparation method of alkyl naphthalene oxidation catalyst |
| 09/22/2010 | CN101172948B Method for separation and purification of cajanine and pinostrobin from extract of cajanus cajan branches and leaves |
| 09/22/2010 | CN101050172B Method for preparing conjugation linoleic acid by intermittent type microwave action |
| 09/21/2010 | US7799946 Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
| 09/21/2010 | US7799945 Catalytic process for preparing aliphatic straight-chain and β-alkyl-branched carboxylic acids |
| 09/21/2010 | US7799830 fewer side-effects by showing no hormone properties; enhancing the learning and memory-retention, treat dementia |
| 09/21/2010 | US7799229 Using a chelate resin containing thiourea groups such as tradename Lewatit TP214 selectivly recovers catalyst metals for recovery; cost efficiency; acetic acid production |
| 09/21/2010 | CA2487165C Cinnamic acid dimers, their preparation and the use thereof for treating neurodegenerative disease |
| 09/16/2010 | WO2010104738A1 An improved process for reacting an a, b-unsaturated dicarboxylic acid compound with an ethylenically unsaturated hydrocarbon |
| 09/16/2010 | WO2010104722A1 Production of formic acid |
| 09/16/2010 | WO2010103976A1 Process for producing carboxylic anhydride, and arylboronic acid compound |
| 09/16/2010 | WO2010103605A1 Oxidized organic compound manufacturing method |
| 09/16/2010 | WO2010102370A1 Home appliance for recycling edible oil residues and producing bar soap |
| 09/16/2010 | WO2010085712A3 Methods for producing dodecanedioic acid and derivatives thereof |
| 09/16/2010 | WO2010032263A3 Process and equipment for recovery of valuable materials from terephthalic acid manufacture |
| 09/16/2010 | US20100234654 from starting materials of biological origin such as fatty acids to dimer acids; hydrogenation to make renewable lubricating base oils; biolubricants |
| 09/16/2010 | US20100234639 Method for producing palladium-containing catalyst |