Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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10/06/2005 | US20050222458 Catalytic dehydration and amidation of alpha or beta hydroxycarboxylic acids; efficient, simple, mild reaction conditions; water tolerance |
10/06/2005 | US20050222457 Process for producing aromatic compounds by friedel-crafts reaction |
10/06/2005 | US20050222455 Method for producing 3-hydroxy-2-methylbenzoic acid |
10/06/2005 | US20050222436 Reacting vanadium pentoxide with phosphoric acid in the presence of alcohol; isolating the precipitate formed, heat treatment, shaping the heat-treated product obtained into particles having an averaged diameter of at least 2 mm |
10/06/2005 | US20050222435 Reacting vanadium pentoxide in the presence of alcohol with phosphoric acid, heating, stirring and subsequently filtering the resultant suspension |
10/06/2005 | US20050222213 Alpha(trifluoromethyl-substituted aryloxy, arylamino, arylthio or arylmethyl)-trifluoromethyl-substituted phenylacetic acids and derivatives as antidiabetic agents |
10/06/2005 | US20050221457 Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
10/06/2005 | DE10314203B4 Verfahren zur Abtrennung von (Meth)Acrylsäure aus einer (Meth)Acrylsäure-haltigen Zusammensetzung A process for separating (meth) acrylic acid from a (meth) acrylic acid-containing composition |
10/05/2005 | EP1581469A1 Method for producing naphthalene derivatives |
10/05/2005 | EP1581340A1 Process for preparing vanadyl pyrophosphate catalyst |
10/05/2005 | EP1246794A4 Process and intermediates for preparing a cyclohexylnitrile |
10/05/2005 | CN1678389A Oxidation method |
10/05/2005 | CN1221513C Process for producing (methyl) propenoic acid |
10/05/2005 | CN1221512C Process for preparing isobutanoic acid |
10/05/2005 | CN1221511C Acetic acid purification process |
10/05/2005 | CN1221510C Refining method for long-chain biatomic acid |
10/05/2005 | CN1221509C Production process of butane tetra formic acid derivatives by means of coupled electrosynthesis |
10/05/2005 | CN1221508C Process for producing alkanedicarboxylic acid |
10/05/2005 | CN1221507C Process for preparation of sorbic acid |
10/05/2005 | CN1221504C Perfluoroisopropylbenzene derivatives |
10/04/2005 | US6951957 Process for producing a fluorine-containing compound by liquid phase fluorination |
09/29/2005 | WO2005090277A1 Method of preventing clogging of apparatus for handling (meth)acrylic acid or ester thereof |
09/29/2005 | WO2005090272A1 Cyclone reactor and associated methods |
09/29/2005 | WO2005090267A2 Methods to prepare carbon-isotope organohalides with high specific radioactivity from carbon-isotope monoxide |
09/29/2005 | WO2005090266A1 Radiosynthesis of acid chlorides |
09/29/2005 | WO2005089943A1 Process for producing composite oxide catalyst |
09/29/2005 | WO2005073159A3 Carboxylation of aromatic hydrocarbons to produce aromatic carboxylic acids |
09/29/2005 | WO2005066109B1 A process for the preparation of 2-hydroxy carboxylic acids |
09/29/2005 | WO2005035478A3 Method for rectification separation of a liquid from an acrylic acid |
09/29/2005 | US20050215828 Oxo process |
09/29/2005 | US20050215818 Catalyst for production of acrylic acid and process for production of acrylic acid using this catalyst |
09/29/2005 | US20050215817 Reacting an oily alicyclic alcohol or ketone with an aqueous hydrogen peroxide in the presence of a Group 6 catalyst; glutaric acid, adipic acid, pimelic acid, or suberic acid synthesis; mild reaction conditions; nontoxic; pollution control |
09/29/2005 | US20050215816 Cyclic ketones, their preparation and their use in the synthesis of amino acids |
09/29/2005 | US20050215815 Method of producing trimellitic acid |
09/29/2005 | US20050215813 Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof |
09/29/2005 | US20050215794 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency; forming a carbon-carbon bond between a reactant comprising a nucleophilic carbon atom, e.g., enolate or malonate anion, and activated carbon of an aryl, heteroaryl, or vinyl halide or sulfonate |
09/29/2005 | US20050215641 Compositions comprising reverse isomers of conjugated linoleic acid |
09/29/2005 | US20050211542 Method for the rectifying separation of fluids containing (meth)acryl monomers |
09/29/2005 | DE102004010505A1 Verfahren zur lösungsmittelfreien Herstellung von Ethercarbonsäuren mit niedrigem Restsalzgehalt A method for solvent-free preparation of ether carboxylic acids with a low residual salt content |
09/29/2005 | CA2559527A1 Cyclone reactor and associated methods |
09/28/2005 | EP1579910A2 Catalyst for production of acrylic acid and process for production of acrylic acid using the catalyst |
09/28/2005 | EP1578714A1 Novel chiral compounds derived from hexanoic acid esters, method and intermediate chemicals for the preparation and use thereof for synthesis of 2-(bromomethyl)2-ethyl hexanoic chiral acid |
09/28/2005 | EP1578713A1 Method for preparing organic acid |
09/28/2005 | EP1280756A4 Synthesis of 2-halobenzyl alkanoic acid |
09/28/2005 | EP1252130B1 Low temperature purification of naphthalene dicarboxylic acids |
09/28/2005 | EP1187800A4 Improved process for the preparation of 3,4-dihydroxybutanoic acid and salts and lactones derived therefrom |
09/28/2005 | CN1675161A Method of vapor phase catalytic oxidation using multitubular reactor |
09/28/2005 | CN1675159A Method and device for producing formic acid formates and use of said formates |
09/28/2005 | CN1675158A Method and device for producing formates and the use thereof |
09/28/2005 | CN1675156A Method for producing carbonyl compound |
09/28/2005 | CN1675145A Method of deuterating aromatic ring |
09/28/2005 | CN1674990A A phospha-adamantane (s) catalytic system |
09/28/2005 | CN1673208A Prepn process of calcium alkyl salicylate |
09/28/2005 | CN1672794A Oxo synthesis catalyst and its prepn process and application in preparing acetic acid and acetic anhydride |
09/28/2005 | CN1672792A Catalyst and prepn process of the catalyst and its ligand, acetic acid and acetic anhydride |
09/28/2005 | CN1672791A Double active species catalyst and its application |
09/28/2005 | CN1672790A Catalyst for catalytic gas phase oxidation of acrolein and process for producing acrylic acid by catalytic gas phase oxidation using said catalyst |
09/28/2005 | CN1672678A Separation and extraction of natural active long-chain fatty acid component for preventing and treating prostatosis and the prepn and application of its medicine prepn |
09/28/2005 | CN1220676C Process for producing acid anhydride |
09/28/2005 | CN1220670C Method for purifying (meth) acrylic monomers by distillation |
09/28/2005 | CN1220669C Method for recovering organic acid and inorganic salt from oxidized and saponified cyclohexane waste lye |
09/28/2005 | CN1220668C Method for preparing carboxylic acids by palladium carbonylation |
09/28/2005 | CN1220667C Organic compounds and processes for their manufacture |
09/28/2005 | CN1220658C Alkene oligomerization process |
09/28/2005 | CN1220551C Method for producing multiple-phase multi-metal oxide materials |
09/27/2005 | US6949675 Process for producing acrylic acid |
09/27/2005 | US6949673 Process for producing carboxylic acids |
09/27/2005 | US6949668 Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
09/27/2005 | CA2256489C Process for the production of chromium(iii) salts of short chain fatty acids for use in animal feeds |
09/27/2005 | CA2169651C Hydroformylation process |
09/22/2005 | WO2005087701A1 Novel 2-(α -n-pentanonyl)benzoates, their preparation and use |
09/22/2005 | WO2005087699A1 Removal of permanganate reducing compounds from methanol carbonylation process stream |
09/22/2005 | WO2005087698A1 Control method for process of removing permanganate reducing compounds from methanol carbonylation process |
09/22/2005 | WO2005087692A2 Process for recovering organic compounds from aqueous streams containing same |
09/22/2005 | WO2005087017A2 Compositions comprising reverse isomers of conjugated linoleic acid |
09/22/2005 | WO2005070862A3 Process for production of a dried carboxylic acid cake suitable for use in polyester production |
09/22/2005 | WO2005070525A3 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
09/22/2005 | US20050209485 Fixed-bed catalytic partial oxidation of olefins in a shell-and-tube heat exchange type reactor |
09/22/2005 | US20050209484 Fixed-bed catalytic partial oxidation of propylene, propane, (meth)acrolein, isobutylene, t-butyl alcohol, methyl-t-butyl ether or o-xylene in a shell-and-tube reactor having a catalytic layer with an inactive material layer inserted at a position where a hot spot is to be generated in the reaction tube |
09/22/2005 | US20050209483 Removing heat from the first product stream and providing it to the acetic acid reaction stream and the purification section; using acetic acid from the first product stream with an oxygen-containing gas in the presence of a catalyst to produce vinyl acetate |
09/22/2005 | US20050209482 Storage tank for easily polymerizable compound and method of storage |
09/22/2005 | US20050209481 Process for producing (meth) acrylic esters |
09/22/2005 | US20050209469 Converting propylene in an oxygenate-contaminated propylene stream to non-polymerization derivative products |
09/22/2005 | US20050209467 Process for the preparation of 1 - (3-dimethylaminopropyl) -1 - (4-fluorophenyl) -1,3-dihydroisobenzofuran-5-carbonitrile |
09/22/2005 | US20050209325 Novel interleukin-1 and tumor necrosis factor-alpha modulators, syntheses of said modulators and methods of using said modulators |
09/22/2005 | US20050209322 Sodium ferric gluconate complexes and method of manufacture thereof |
09/22/2005 | US20050209101 Process and apparatus for fluid bed reactions |
09/22/2005 | DE102004011081A1 Verfahren zur Herstellung von tertiären Carbonsäuren A process for the production of tertiary carboxylic acids |
09/21/2005 | EP1577001A1 Plate type catalytic reaction oven |
09/21/2005 | EP1576089A2 Expansion of renewable stem cell populations |
09/21/2005 | EP1575894A1 Process for the preparation of diphenic acid |
09/21/2005 | EP1575893A1 Process for the preparation of fexofenadine |
09/21/2005 | EP1575889A1 A microwave induced process for the preparation of substituted 4-vinylphenols |
09/21/2005 | EP1575557A1 Process for the chemical stabilization of a solubilized retinoid in a solvent using a base |
09/21/2005 | EP1313870B1 Method for the improved production and isolation of trans-dihydroxycyclohexadiene carboxylic acids and/or derivatives thereof and a genetically modified organism suitable for the above |
09/21/2005 | CN1671829A Engine oil comprising overbased salicylates based on styrenated salicylic acid |
09/21/2005 | CN1671649A Process for preparing nateglinide and intermediates thereof |
09/21/2005 | CN1671642A Method for producing carboxylic acid |
09/21/2005 | CN1671472A Method for the production of a catalyst containing vanadium, phosphorus, and oxygen |
09/21/2005 | CN1671470A Titaniun-vanadium-tin comprising catalyst and process for the preparation of phthalic anhydride |