| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/26/2007 | CN101092352A Method for refining o ¿C benzoylbenzoic acid |
| 12/26/2007 | CN101092351A Method for synthesizing veratric acid |
| 12/26/2007 | CN101092350A Oxidizing reactor in bubbling tower of internal circulation for producing aromatic acid |
| 12/26/2007 | CN101092349A Method of hydrogenation for benzoic acid |
| 12/26/2007 | CN101092348A Method for producing aluminum citrate from kaoline |
| 12/26/2007 | CN101092347A Method for preparing levulinic acid from hexabasic sugar catalyzed and hydrolyzed by fire resistant and highly acidic resin |
| 12/26/2007 | CN101092346A Method for preparing 10 ¿C hydroxy capric acid |
| 12/26/2007 | CN101092345A Method for preparing 2,4,5 trifluorobenzene acetic acid |
| 12/26/2007 | CN101092344A Method for extracting nervonic acid from oil of Mono Maple by using technique of molecular distillation |
| 12/26/2007 | CN101092343A Method for preparing cobalt acetate |
| 12/26/2007 | CN101092342A Chemical process for the preparation of intermediates to obtain n-formyl hydroxy-lamine compounds |
| 12/26/2007 | CN101092341A Recovery installation and method for acetic acid and catalyst in process of preparing 2.6 naphthalic carboxylic acid |
| 12/26/2007 | CN100357246C Preparation of 2,4,6-trichloromethane acid |
| 12/26/2007 | CN100357245C Prepn process of 2,5-dihalogeno benzoic acid |
| 12/26/2007 | CN100357243C Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 12/26/2007 | CN100357026C Catalysts and process for the direct conversion of methane into acetic acid |
| 12/25/2007 | US7312366 Preparation of one intermediate for pyrethroids |
| 12/25/2007 | US7312357 Process for producing aliphatic dicarboxylic acid compound |
| 12/25/2007 | US7311837 Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate |
| 12/21/2007 | WO2007145795A2 Production of acetic acid and mixtures of acetic acid and acetic anhydride |
| 12/21/2007 | WO2007145629A1 Method, system, and device for producing a steady flow of carbon dioxide |
| 12/21/2007 | WO2007145151A1 Process for production of supported catalyst for acetic acid production |
| 12/21/2007 | WO2007145149A1 Method of replacing dispersion medium |
| 12/21/2007 | WO2007145134A1 Method of drying aromatic carboxylic acid and process for producing dry aromatic carboxylic acid |
| 12/21/2007 | WO2007144898A2 A process for the synthesis and preparation of polymeric materials for use in optical applications such as plastic lenses |
| 12/21/2007 | WO2007077200A3 Production of acid propionates |
| 12/21/2007 | CA2654569A1 Method, system, and device for producing a steady flow of carbon dioxide |
| 12/20/2007 | US20070293703 Preparation and purification of synthetic capsaicin |
| 12/20/2007 | US20070293697 Optimized Liquid-Phase Oxidation |
| 12/20/2007 | US20070293695 Carbonylation process |
| 12/19/2007 | EP1867387A1 Catalyst for producing methacrylic acid and method for preparation thereof |
| 12/19/2007 | EP1866273A1 Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| 12/19/2007 | EP1866272A2 Acrylic acid, water-absorbent polymer structures based on renewable resources and method for producing said structures |
| 12/19/2007 | CN101090880A Methods for producing acetic acid |
| 12/19/2007 | CN101090879A Alicyclic monoolefin carboxylic acid and method for producing same |
| 12/19/2007 | CN101090771A Use of a multi-layer catalyst for producing phthalic anhydride |
| 12/19/2007 | CN101090770A Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 12/19/2007 | CN101090769A Method for producing a multi-layer catalyst for obtaining phthalic anhydride |
| 12/19/2007 | CN101088981A Aromatic carboxylic acid producing process |
| 12/19/2007 | CN101088980A Two-stage gas flow-fluidized bed drying process and apparatus with nitogen circulated adipic acid and overheated steam |
| 12/19/2007 | CN100355741C Process for simultaneous production of maleic anlydride and its hydrogenated derivatives |
| 12/19/2007 | CN100355720C Preparing unsaturated carbonxylic acid and unsaturated carbonxylic ester by paraffin and/or alkene hydrocarbon |
| 12/19/2007 | CN100355719C Salicylic acid preparing process |
| 12/19/2007 | CN100355718C Regeneration method of catalyst of hydrofinishing terephthalic acid |
| 12/19/2007 | CN100355717C Method for synthesizing diphenyl-2-carboxylic acid |
| 12/19/2007 | CN100355716C Process for producing aromatic dicarboxylic acids under supercritical conditions |
| 12/19/2007 | CN100355715C Process for the selective (AMM) oxidation of lower molecular weight alkanes and alkenes |
| 12/13/2007 | WO2007142727A1 Supported polyoxometalates, process for their preparation and use in oxidation of alkanes |
| 12/13/2007 | WO2007142110A1 Novel carboxylic acid compound, use thereof, and process for producing the same |
| 12/13/2007 | WO2007141802A2 Barium containing polyacrylates for optical and coating applications |
| 12/13/2007 | WO2007141800A2 Lanthanum containing polyacrylates for optical and coating applications |
| 12/13/2007 | WO2007141404A1 Process for converting nitrile compounds to carboxylic acids and corresponding esters |
| 12/13/2007 | WO2007141295A1 Process for preparing phenoxy acetic acid derivatives |
| 12/13/2007 | WO2007092225A3 Use of predehydration towers in an ethane oxidation to acetic acid/ethylene process |
| 12/13/2007 | WO2007081507A3 Oxidation system with internal secondary reactor |
| 12/13/2007 | US20070287862 heat exchanging by heat of reaction convert to heat of vaporization; catalytic carbonylation |
| 12/13/2007 | US20070287856 Process for producing perfluorodiacyl fluorinated compounds |
| 12/13/2007 | US20070287853 Acetic acid, methyl acetate; alcohol, methyl acetate, dimethyl ether, methyl iodide; carbon monoxide, hydrogen synthesis gas; heterogeneous heteropolyacid catalyst of transition metal substituted silicotungstic acids, silicomolybdic acids, phosphotungtic acids, phosphomolybdic acids; continuous process |
| 12/13/2007 | US20070287837 Solid phase-supported chlorinating agent for the conversion of a radioactive carboxylic acid to a radioactive acid chloride intermediate; forming 11C-labeled esters, amides or amines; negates the need for a separation step; synthesis of radiopharmaceuticals such as (11C)-cyclopentyltheophyline |
| 12/13/2007 | US20070287747 Process for Preparing Metal Salts of Unsaturated, Short-Chain Carboxylic Acids and Use Thereof |
| 12/13/2007 | US20070284317 combining water with a mother liquor, subjecting aqueous mixture to a single stage solvent (acetic acid) extraction to remove organic impurities ( by-product of unoxidized p-xylene) to produce an extract stream and a raffinate containing Co, Mn, Br2 as oxidation catalyst used to form terephthalic acid |
| 12/13/2007 | DE102006026573A1 Stabile, hochkonzentrierte Aluminiumcarboxylat-Lösungen Stable, highly concentrated aluminum carboxylate solutions |
| 12/13/2007 | CA2655170A1 Process for converting nitrile compounds to carboxylic acids and corresponding esters |
| 12/12/2007 | EP1863752A1 Method for producing 5-halo-2,4,6-trifluoroisophthalic acid |
| 12/12/2007 | EP1778613B1 Acetate anhydride and acetate ester co-production |
| 12/12/2007 | EP1727777B1 Radiosynthesis of acid chlorides |
| 12/12/2007 | EP1718602A4 Therapeutic and carrier molecules |
| 12/12/2007 | EP0996501B2 Method for regenerating a zeolitic catalyst |
| 12/12/2007 | CN101087749A A process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group |
| 12/12/2007 | CN101087748A Method for producing phthalic anhydride |
| 12/12/2007 | CN101087648A Method of preparing acrylic acid from propane in the absence of water vapor |
| 12/12/2007 | CN101085734A Method for purifying itaconic acid fermentation liquor or extracting itaconic acid from itaconic acid mother liquid by film device |
| 12/12/2007 | CN101085733A Method for preparing refined acrylic acid by removing micro-impurity aldehyde |
| 12/12/2007 | CN101085732A Method for producing ferrous oxalate from hematite |
| 12/12/2007 | CN101085731A Method for reclaiming oxalic acid from terramycin purification liquid |
| 12/12/2007 | CN101085730A Method for purifying malic acid |
| 12/12/2007 | CN101085729A Method for producing formic acid by using orthophosphoric acid to acidifying sodium formate |
| 12/12/2007 | CN101085716A Method for separating lanonol and lanolin fatty acid from lanolin saponified substrate |
| 12/12/2007 | CN100354042C Composite oxide catalyst and method for preparation thereof |
| 12/11/2007 | US7307189 Comprises stripping phase carried out on tubular falling-film crystallizers |
| 12/11/2007 | US7307188 Purification of carboxylic acids by complexation with selective solvents |
| 12/11/2007 | US7307178 Reacting an unsaturated ester with organosilicon compound in presence of catalyst |
| 12/11/2007 | US7307175 Process for the preparation of 7-substituted 3-alkyl-3H-isobenzofuran-1-one derivatives |
| 12/11/2007 | US7306634 Neutral or overbased iron salt of an acidic organic compound, 50-99 mole % of the total iron in the composition being in the ferric form, the balance being the ferrous form. |
| 12/11/2007 | CA2442288C A novel catalytic formulation and its preparation |
| 12/06/2007 | WO2007140395A2 Green biodiesel |
| 12/06/2007 | WO2007139679A2 A process for energy recovery and water removal in the preparation of aromatic carboxylic acids |
| 12/06/2007 | WO2007138607A1 Method for obtaining shikimic acid |
| 12/06/2007 | WO2007118870A3 Method for the production of olefins, aldehydes, and carboxylic acids by oxidation of alkanes |
| 12/06/2007 | WO2007106287A8 Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
| 12/06/2007 | WO2007103063A3 A process to produce a post catalyst removal composition |
| 12/06/2007 | WO2007103023A8 Methods and apparatus for isolating carboxylic acid |
| 12/06/2007 | WO2007092188A3 Integrated process for the production of acetic acid and vinyl acetate |
| 12/06/2007 | WO2007090990A3 Acrolein preparation method |
| 12/06/2007 | US20070282134 Process For Hydroformylation Of Propylene |
| 12/06/2007 | US20070282133 hydroformylation of a propylene containing stream obtained from the production of olefins from oxygenates with rhodium hydroformylation catalyst, and hydroformylating to form an aldehyde, wherein propylene feed may contains mesurable amounts of dimethyl ether without advesing hydroformylation |
| 12/06/2007 | US20070282127 strontium salt of an organic dicarboxylic acid, e.g. strontium malonate of high purity; reacting strontium hydroxide or strontium chloride with diacid in aqueous solution at given tempeature, pressure and molar ratio; end use as pharmaceutical, fertilizer, vitamins, in industrial products |
| 12/06/2007 | US20070282124 Catalyst System |
| 12/06/2007 | US20070282123 as lubricating oil additives for inside engine cleaning, cosmetic base, or plasticizer; e.g. 3-hexylundecanal, methyl 3-hexylundecanoate; by dimerizing alpha -olefin compounds using a metallocene catalyst and the like |
| 12/06/2007 | US20070282119 transesterification of a fatty acid raw material vegetable oil with methanol in the presence of a solid catalyst consisting of MnO, TiO and CuO; no need to separate the catalyst, cost efficiency; renewable energy |