| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 10/20/2009 | US7604781 provide advantages for controlling reactions and separating products, solvents or reactants in multiphase reactions |
| 10/20/2009 | CA2467001C Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 10/20/2009 | CA2420622C Process and device for carrying out reactions in a reactor with slot-shaped reaction spaces |
| 10/15/2009 | WO2009125658A1 Process for the production of acrolein and/or acrylic acid |
| 10/15/2009 | WO2009124947A1 Method for starting a gas phase oxidation reactor that contains a catalytically active silver-vanadium oxide bronze |
| 10/15/2009 | WO2009124946A1 Method for starting a gas-phase oxidation reactor |
| 10/15/2009 | US20090259072 Method for removing iodide compound from organic acid |
| 10/15/2009 | US20090259071 Method for regenerating catalyst for the production of methacrylic acid and process for preparing methacrylic acid |
| 10/15/2009 | US20090259070 Method for regenerating catalyst for the production of methacrylic acid and process for preparing methacrylic acid |
| 10/15/2009 | US20090259069 Optimized Liquid-Phase Oxidation |
| 10/15/2009 | US20090259052 Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes |
| 10/14/2009 | EP2108010A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 10/14/2009 | CN201325936Y Calcium formate preparation device by continuous carbonylation of carbon monoxide and calcium hydroxide |
| 10/14/2009 | CN201324545Y Separation device for organic acid in separation polarizing plate process |
| 10/14/2009 | CN101555239A Method for extracting vitamin C and 2-keto-L-gulonic acid from vitamin C mother liquor |
| 10/14/2009 | CN101555205A Preparing method of 3-oxo-1-cyclobutane-carboxylic acid |
| 10/14/2009 | CN101555204A Preparation method of caffeic acid medicinal raw material |
| 10/14/2009 | CN101555203A Continuous acidolysis method of citrate |
| 10/14/2009 | CN101555202A Gemfibrozil polymorphism and preparation method thereof |
| 10/14/2009 | CN101555201A Acidolysis method of L-calcium lactate fermentation solution |
| 10/14/2009 | CN101555200A Process for manufacturing reduced water content (meth)acrylic acid |
| 10/14/2009 | CN101555194A Method for separating aqueous phase byproduct from Fischer-Tropsch synthesis reaction |
| 10/14/2009 | CN101555193A Separating method of aqueous phase byproduct from Fischer-Tropsch synthesis |
| 10/14/2009 | CN100548962C Method for preparing hydroxyl conjugated linoleic acid by reduction in alcohol-water system |
| 10/14/2009 | CN100548961C Method for producing (methyl) propenoic acid and (methyl) acrylate |
| 10/14/2009 | CN100548960C Substituted 1,3-diphenylprop-2-en-1-one derivatives and preparation and uses thereof |
| 10/14/2009 | CN100548474C Catalyst and method for producing acetic acid |
| 10/14/2009 | CN100548473C Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol |
| 10/14/2009 | CN100548427C Method of separating and reclaiming fatty acid in water body by metal chelating resin sorbent |
| 10/13/2009 | US7601866 Crystallization; catalytic oxidation; polymerization of acrylic acid |
| 10/13/2009 | US7601865 Introducing tertiary amine and CO2 to dilute salt solution to form acid/amine complex and insoluble carbonate salt, introducing water immiscible solvent to dilute salt solution to form reaction phase, continuously drying reaction phase and forming product |
| 10/13/2009 | US7601795 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 10/13/2009 | US7601760 Method of decomposing plastic |
| 10/08/2009 | WO2009123806A1 Method of dehydrating acetic acid |
| 10/08/2009 | WO2009123755A1 Catalytic wet oxidation systems and methods |
| 10/08/2009 | WO2009123675A1 Improved carbonylation process |
| 10/08/2009 | WO2009123151A1 Plate type reactor, manufacturing method therefor, and reaction product manufacturing method using the plate type reactor |
| 10/08/2009 | WO2009121940A1 Process for the preparation of (-)-(4-chloro-phenyl)-(3-trifluoromethyl-phenoxy)-acetic acid 2-acetylamino-ethyl ester |
| 10/08/2009 | WO2009121789A1 New process for the preparation of cyclohexanecarboxylic acid derivatives via the corresponding cyclohexanecarboxamide derivative |
| 10/08/2009 | WO2009121788A1 New process for the preparatiion of cyclohexanecarboxylic acid dericatives |
| 10/08/2009 | WO2009121626A1 Method for producing a nanocrystalline molybdenum mixed oxide |
| 10/08/2009 | WO2009121625A1 Method for producing a nanocrystalline bismuth-molybdenum mixed oxide |
| 10/08/2009 | WO2009121624A1 Method for producing a mixed oxide containing molybdenum |
| 10/08/2009 | US20090253934 Process for Producing Acrylic Acid |
| 10/08/2009 | US20090253928 Preparation for a cyclohexanecarboxylic acid derivative and intermediates |
| 10/08/2009 | US20090253927 Process for cyclohexanecarboxylic acid derivatives |
| 10/08/2009 | CA2719804A1 Method of dehydrating acetic acid |
| 10/08/2009 | CA2717959A1 New process for the preparation of cyclohexanecarboxylic acid derivatives via the corresponding cyclohexanecarboxamide derivative |
| 10/08/2009 | CA2717955A1 New process for the preparation of cyclohexanecarboxylic acid derivatives |
| 10/07/2009 | EP0804402B1 Organic compounds and processes for their manufacture |
| 10/07/2009 | CN101553477A Process for preparation of aldonic acids and derivatives thereof |
| 10/07/2009 | CN101553457A A process to produce an enrichment feed |
| 10/07/2009 | CN101553456A Crystalline potassium salt of lipoxin A4 analogs |
| 10/07/2009 | CN101553455A Process for production of isophthalic acid |
| 10/07/2009 | CN101553454A Process for production of terephthalic acid |
| 10/07/2009 | CN101550081A Effective components of Cacumen Platycladi and preparation method thereof |
| 10/07/2009 | CN101550080A Industrial preparation method of 2,3-difluorophenyl acetic acid |
| 10/07/2009 | CN101550079A A continuance method for preparing succinic acid |
| 10/07/2009 | CN101550078A Method of supercritical extraction of unsaturated fatty acid of schizochytrium limacinum |
| 10/07/2009 | CN101550077A Manufacturing method of bicyclohexyl derivative |
| 10/07/2009 | CN101550076A Manufacturing method of trans-isomer of 4-substituted-cyclohexane carboxylic acid |
| 10/07/2009 | CN101550047A Method of de-alkyl amine |
| 10/07/2009 | CN100546969C Process of resolving optical isomer of 2-hydroxmethyl-3-phenylpropionic acid |
| 10/07/2009 | CN100546968C Method for separating and extracting acetic acid and propanoic acid from waste acetic acid produced from methanol low pressure carbonyl method |
| 10/07/2009 | CN100546967C Method for preparing medicinal accessories sodium caprylate |
| 10/07/2009 | CN100546715C Metal oxide catalyst and method for the preparation thereof |
| 10/06/2009 | US7598415 Via cobaltous acetate or cerium(III)acetate as catalyst |
| 10/06/2009 | CA2421881C Fuel additive compositions for diesel engine equipped with a particulate trap |
| 10/06/2009 | CA2391720C Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile |
| 10/01/2009 | WO2009120257A1 Purification of acetic acid from wood acetylation process |
| 10/01/2009 | WO2009120215A1 Methods for preparing oxydiphthalic anhydrides |
| 10/01/2009 | WO2009118341A1 METHOD FOR THE DECARBOXYLATIVE HYDROFORMYLATION OF α,β-UNSATURATED CARBOXYLIC ACIDS |
| 10/01/2009 | WO2009118261A1 Polyol ester plasticizers and process of making the same |
| 10/01/2009 | WO2009022237A3 Process for the recovery of oxidation catalyst using ion exchange resins |
| 10/01/2009 | US20090247788 Azeotropically removing terpene or terpenoid impurities from the mixture of acetic acid and water supplied to distillation column as distillate and withdrawing a product stream from the column comprising acetic acid purified of terpene or terpenoid impurities; allows reuse of acetic acid solution |
| 10/01/2009 | US20090247787 Method of producing unsaturated aldehyde and/or unsaturated acid |
| 10/01/2009 | US20090247786 Process For Producing 3,3,3-Trifluoropropionic Acid |
| 10/01/2009 | US20090247783 Carbonylation process |
| 10/01/2009 | DE102008016105A1 Verfahren und Vorrichtung zur katalytischen Hydrierung ungesättigter Fettsäuren und Fettsäurederivate Method and apparatus for the catalytic hydrogenation of unsaturated fatty acids and fatty acid derivatives |
| 10/01/2009 | CA2714953A1 Purification of acetic acid from wood acetylation process |
| 09/30/2009 | EP1883616B1 A process for continuous carbonylation by supported ionic liquid-phase catalysis |
| 09/30/2009 | EP1558569B1 Multimetallic oxide composition |
| 09/30/2009 | EP1477470B1 Process for the production of metal salts of radical-polymerizable compounds |
| 09/30/2009 | EP1467812B1 Manganese(iv)-complex salts and their use as oxidation catalysts |
| 09/30/2009 | CN101547887A Method of producing alpha,beta-unsaturated aldehyde and/or alpha,beta-unsaturated carboxylic acid |
| 09/30/2009 | CN101544561A Preparation method of trifluoromethyl phenylacetic acid |
| 09/30/2009 | CN101544560A Production method and device for preparing high-purity anhydrous oxalic acid by two step method |
| 09/30/2009 | CN101544559A Method for separating and extracting isostearic acid from monomer acid |
| 09/30/2009 | CN101544558A Method for obtaining high-purity methanoic acid from hydrous methanoic acid through separation and refining |
| 09/30/2009 | CN101544557A Coupling rectification system and application thereof in purifying EPA, DPA, and DHA in seal oil |
| 09/30/2009 | CN100545140C High-purity (fluoroalkyl)benzene derivative and process for producing the same |
| 09/30/2009 | CN100545139C Method for producing organic acid |
| 09/29/2009 | US7595423 Process for producing trans-1,4-cyclohexanedicarboxylic acid |
| 09/29/2009 | US7595420 Hydrogenation of benzene polycarboxylic acids or derivatives thereof |
| 09/29/2009 | US7595412 Reacting an organometallic compound with fatty acid; stabilization of vinyl polymers |
| 09/29/2009 | CA2449800C Intermediate halophenyl derivatives and their use in a process for preparing azole derivatives |
| 09/29/2009 | CA2418118C Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 09/29/2009 | CA2417691C Process for the production of purified terephthalic acid |
| 09/29/2009 | CA2400620C Catalytic composition for carbonylation including iridium and pyridine polymers |
| 09/24/2009 | WO2009117498A2 Methods of making cyclododecatriene and methods of making laurolactone |