| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/24/2011 | US20110071314 Process for producing aromatic polycarboxylic acid |
| 03/24/2011 | US20110071313 Process for producing aromatic carboxylic acid |
| 03/24/2011 | US20110071311 Production of ethylenically unsaturated acids or esters thereof |
| 03/24/2011 | US20110071018 Catalyst for dehydrogenating primary alcohols |
| 03/24/2011 | DE102009029651A1 Verfahren zur Herstellung freier Carbonsäuren Process for the preparation of free carboxylic acids |
| 03/23/2011 | EP2298726A1 Fluorine-containing compound purification method |
| 03/23/2011 | EP2298725A1 Process for producing liquid metal chelate compound and metal chelate compound |
| 03/23/2011 | EP2298724A1 Acrolein manufacturing method and acrylic acid manufacturing method |
| 03/23/2011 | EP2298446A1 Catalyst and method of producing unsaturated aldehyde and unsaturated carboxylic acid |
| 03/23/2011 | EP2297087A2 Solid states of o-desmethylvenlaf axine salts |
| 03/23/2011 | EP2297080A2 Compositions for carboxylic acid production and methods for making and using same |
| 03/23/2011 | EP2297079A1 Process for the production of glycolic acid |
| 03/23/2011 | EP2111387B1 New method for preparing unsaturated fatty hydroxy-acids |
| 03/23/2011 | EP1968743B1 Conversion of a precatalyst to a catalytically active silver-vanadium oxide bronze |
| 03/23/2011 | EP1846353B1 Method for controlling hydrogenation |
| 03/23/2011 | CN1751706B Method for extraction of red-rooted salvia |
| 03/23/2011 | CN101990531A Oxidation reactor for manufacturing of crude terephthalic acid |
| 03/23/2011 | CN101990527A Improved carbonylation process |
| 03/23/2011 | CN101988157A Re-processing waste cobalt-molybdenum mixed oxide catalysts |
| 03/23/2011 | CN101987817A Preparation method of pH-reference reagent potassium acid phthalate |
| 03/22/2011 | US7910773 Adsorption of volatile organic compounds derived from organic matter |
| 03/22/2011 | US7910772 Mixed metal oxide catalysts and processes for their preparation and use |
| 03/22/2011 | US7910771 Gaseous, one step oxydehydration reaction of glycerol in the presence of molecular oxygen and catalyst capable of catalyzing both a dehydration reaction and an oxidation reaction |
| 03/22/2011 | US7910769 Producing terephthalic acid via introducing stream comprising p-xylene into reaction zone of bubble column reactor, introducing oxidant stream; cost efficiency; highly efficient reaction at relatively low temperatures, terephthalic acid purified and separated by more economical techniques |
| 03/22/2011 | US7910766 dehydrogenation of hydrocarbon gases in the presence of heterogeneous halogenation catalysts, to form unsaturated hydrocarbon intermediates, used to form unsaturated carboxylic acids and nitriles |
| 03/22/2011 | US7910759 Synthesis of alkyl-capped alkoxylated esters useful as suds-controlling surfactants |
| 03/22/2011 | US7910749 with oxygen in the presence of a catalyst, in which the catalyst contains a N-hydroxy- or N-(substituted oxy)-imide compound derivable from at least one selected from a target product, a reaction intermediate, and a reaction byproduct |
| 03/22/2011 | US7910071 Optimized liquid-phase oxidation |
| 03/22/2011 | CA2346356C Aromatic acid monomers, polymers, products and processes for their manufacture |
| 03/17/2011 | WO2011031424A2 High shear system and method for the production of acids |
| 03/17/2011 | WO2011030591A1 Zinc cluster |
| 03/17/2011 | WO2011030223A2 Process for the production of artemisinin intermediates |
| 03/17/2011 | WO2010149507A3 Method for producing formic acid |
| 03/17/2011 | WO2010142546A3 Method for the restabilization of (meth)acrylic monomers |
| 03/17/2011 | US20110065953 Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound |
| 03/17/2011 | US20110065129 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
| 03/17/2011 | US20110062392 Systems and methods for producing hyperpolarized materials and mixtures thereof |
| 03/17/2011 | CA2773007A1 Process for the production of artemisinin intermediates |
| 03/17/2011 | CA2772588A1 Zinc cluster |
| 03/16/2011 | EP2295136A1 Method of packing solid particulate substance into fixed-bed multitubular reactor |
| 03/16/2011 | EP2294060A1 Process for separating off fumaric acid and other minor components during the production of maleic anhydride |
| 03/16/2011 | EP2294047A2 Novel mandelate salt of fesoterodine |
| 03/16/2011 | EP2294046A1 Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane dicarboxylic acid by way of ring-opening cross-metathesis (rocm) of cyclooctene with acrylic acid |
| 03/16/2011 | EP2294045A1 Process for production of glycolic acid |
| 03/16/2011 | EP2046711B1 Preparation of acetic acid |
| 03/16/2011 | EP1708988B1 Ibopamine maleate, method for preparing it and pharmaceutical compositions containing it |
| 03/16/2011 | EP1708987B1 L-(-)-moprolol l-(+)-tartrate |
| 03/16/2011 | EP0682554B2 Filtration process |
| 03/16/2011 | CN101986320A Modeling method for heterogeneous azeotropic rectification solvent dehydrating tower of industrial purified terephthalic acid (PTA) device |
| 03/16/2011 | CN101985435A Novel eutectic ionic liquid and preparation method thereof |
| 03/16/2011 | CN101985417A Process for extracting salvianic acid A |
| 03/16/2011 | CN101985416A Refining technology for producing long carbon chain dicarboxylic acid by using biological fermentation process |
| 03/16/2011 | CN101985379A Treatment method for high-concentration sulfur-containing caustic sludge wastewater from oil refinery |
| 03/16/2011 | CN101348429B Method for extracting amber acid in fermentation liquor by cationic resin exchange |
| 03/16/2011 | CN101289384B Use method of multiple-effect falling film concentrating device in production of lactic acid |
| 03/16/2011 | CN101255106B Method for intensified neutral oil removal of diesel alkaline residue and stepwise reclamation of naphthenic acids and phenols |
| 03/15/2011 | US7906680 Polymerizing vinyl acetate, hydrolyzing, forming a methyl acetate byproduct; methanol carbonylation of a purified methyl acetate |
| 03/15/2011 | US7906679 Metal surfaces to inhibit ethylenically unsaturated monomer polymerization |
| 03/15/2011 | US7906669 Metallocene-based phosphorus chiral phosphines |
| 03/15/2011 | US7906664 Polyglycerol partial esters of polyricinoleic acid and polyfunctional carboxylic acids and the use thereof for producing emulsions and dispersions |
| 03/15/2011 | US7906663 Process for co-producing olefins and diesters or diacids starting from unsaturated fats |
| 03/15/2011 | US7906469 internal combustion engines; diesel engines; mixture of lubricant oil, calcium salicylate, detergents, organomolybdenum compound and organonitrogen compound; exhaust gas recirculation system |
| 03/15/2011 | US7906082 Method and apparatus for refining biodiesel |
| 03/10/2011 | WO2011028872A2 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | WO2011028866A2 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | WO2011028862A2 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | WO2011028852A2 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | WO2011028222A2 Preparation of acetic acid |
| 03/10/2011 | WO2011027105A1 Process for producing acetic acid and dimethyl ether using a zeolite catalyst |
| 03/10/2011 | WO2011026860A1 Palladium catalyst system comprising zwitterion and/or acid-functionalized ionic liquid |
| 03/10/2011 | WO2011000808A3 Method for separating acrylic acid from the product gas mixture of a heterogeneously catalyzed partial gas phase oxidation of at least one c3-precursor compound |
| 03/10/2011 | US20110060162 Nano-carbon material production apparatus and method |
| 03/10/2011 | US20110060161 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | US20110060160 Process for preparing isopimaric acid |
| 03/10/2011 | US20110060159 Process for preparing carboxamides by hydrolysing carbonitriles in the presence of a catalyst comprising manganese dioxide |
| 03/10/2011 | US20110060118 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | US20110060117 Process for the synthesis of fluorinated ethers of aromatic acids |
| 03/10/2011 | CA2772209A1 Preparation of acetic acid |
| 03/10/2011 | CA2772092A1 Process for producing acetic acid and dimethyl ether using a zeolite catalyst |
| 03/09/2011 | EP2292684A2 Ethanolysis of pet to form det and oxidation thereof |
| 03/09/2011 | EP2292581A1 Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 03/09/2011 | EP2292580A1 Process for manufacturing high purity methacrylic acid |
| 03/09/2011 | EP2292578A1 Process for producing acetic acid and dimethyl ether using a zeolite catalyst |
| 03/09/2011 | EP2291344A1 A process for recovery of formic acid |
| 03/09/2011 | EP2291237A2 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same |
| 03/09/2011 | EP2170797B1 Process for converting levulinic acid into pentanoic acid |
| 03/09/2011 | EP2114848B1 Method for obtaining propionic acid |
| 03/09/2011 | EP1963247B1 Fluorinated surfactants for making fluoropolymers |
| 03/09/2011 | EP1830958B1 Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 03/09/2011 | EP1632287B1 Catalyst for oxidation or ammoxidation |
| 03/08/2011 | US7902398 Catalyst regeneration and reuse by treating the process stream having low catalyst concentration with a polymer having nitrogen-containing heterocyclic repeat units; e.g. acetic acid production |
| 03/08/2011 | US7902397 Via methanol carbonylation using rhodium or iridium catalyst with methyl iodide promoter, treating the light ends residue stream to separate a portion of the acetic acid from the residue stream and reduce the amount of acid that is recycled to the reaction system |
| 03/08/2011 | US7902396 Optimized liquid-phase oxidation |
| 03/08/2011 | US7902395 Versatile oxidation byproduct purge process |
| 03/08/2011 | CA2498821C Process for the production of acetic acid |
| 03/03/2011 | WO2011023646A1 Catalyst precursor for producing maleic acid anhydride and method for the production thereof |
| 03/03/2011 | WO2011022812A1 Recovery of volatile carboxylic acids by extractive evaporation |
| 03/03/2011 | WO2011022811A1 Recovery of volatile carboxylic acids by a stripper- extractor system |
| 03/03/2011 | US20110054214 Process for production of supported catalyst for acetic acid production |
| 03/03/2011 | US20110054213 Preparation of acetic acid |