| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/11/2012 | CN102408328A 一种8,15-海松酸的制备方法 One kind of 8,15 preparation pimaric |
| 04/11/2012 | CN102408327A 苯乙酸化合物 Phenylacetic acid compound |
| 04/11/2012 | CN102408325A 一种从衣康酸发酵废母液中提取衣康酸的方法 A method of extracting waste from itaconic acid fermentation liquor in itaconic acid |
| 04/11/2012 | CN102408324A 一种高纯度油酸提纯工艺 A high-purity oleic acid purification process |
| 04/11/2012 | CN102408323A 一种用于丙烯酸精制过程的超强多功能阻聚剂的制备及其使用方法 Preparation and purification of acrylic acid using the process of a method for the super-multi-functional polymerization inhibitor |
| 04/11/2012 | CN102408322A 一种回收辛酸钠的方法 Method for the recovery of sodium caprylate |
| 04/11/2012 | CN102408289A 一种应用蛋白质功能化磁性纳米颗粒拆分手性药物的方法 A protein function chiral drug particle method applied magnetic nanoparticles |
| 04/11/2012 | CN102408288A 应用蛋白质功能化磁性纳米颗粒拆分手性药物的方法 Chiral drug particles Application protein functional magnetic nanoparticles |
| 04/11/2012 | CN101362687B 空气氧化对二甲苯制备对苯二甲酸的方法和设备 Air oxidation of p-xylene for preparing terephthalic acid method and apparatus |
| 04/11/2012 | CN101056839B 制备芦荟大黄素的方法 The method of preparation of Aloe |
| 04/10/2012 | US8153840 Use of a bubble column reactor for efficient reaction at relatively low temperature; e.g. crude terephthalic acid from p-xylene can be purified and separated by more economical techniques than required by conventional higher temperature oxidation |
| 04/10/2012 | US8153801 Process and intermediates for preparing integrase inhibitors |
| 04/05/2012 | WO2012044168A1 Succinic acid from biomass |
| 04/05/2012 | WO2012041949A1 Improved synthesis of peretinoin |
| 04/05/2012 | WO2012041948A1 Synthesis of peretinoin |
| 04/05/2012 | WO2012005903A3 Process for oxidizing alkyl aromatic compounds |
| 04/05/2012 | WO2011011882A8 Hydroxy fatty acid compounds and uses thereof for disease treatment and diagnosis |
| 04/05/2012 | US20120083624 Process for production of (meth)acrylic acid |
| 04/05/2012 | US20120083623 Production of Acetic Acid with High Conversion Rate |
| 04/05/2012 | US20120083542 Method for treating wastes |
| 04/04/2012 | EP2436443A1 Method for producing a catalyst for producing methacrylic acid, and method for producing methacrylic acid |
| 04/04/2012 | EP2435395A2 Catalyst and method for partially oxidizing hydrocarbons |
| 04/04/2012 | EP2285765B1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 04/04/2012 | EP2038115B1 Reactor from plated stainless steel for the continuous heterogeneously catalyzed partial dehydration of at least one hydrocarbon to be dehydrated, and corresponding method |
| 04/04/2012 | EP1466890B1 Processes for the preparation of glutamic acid compounds and intermediates thereof and novel intermediates used in the processes |
| 04/04/2012 | EP1338336B1 Use of catalysts comprising n-substituted cyclic imides for preparing organic compounds |
| 04/04/2012 | CN202181269U 一种生产无水醋酸钠的装置 An apparatus for producing anhydrous sodium acetate |
| 04/04/2012 | CN202179967U 葡萄糖酸生产中所用空气的预处理设备 Gluconic acid used in the production of air pretreatment equipment |
| 04/04/2012 | CN102405207A 用于选择性氧化的喷雾工艺 Process for the selective oxidation of spray |
| 04/04/2012 | CN102405206A Removing hydrocarbon impurities from acetic acid production intermediate |
| 04/04/2012 | CN102405205A 制备乙酰丙酸烷基酯的方法 Method for preparing an alkyl ester of levulinic acid |
| 04/04/2012 | CN102399213A Lamivudine monophthalate and synthetic method thereof |
| 04/04/2012 | CN102399171A 一种结晶型l-精氨酸-苹果盐的制备方法 A crystalline type l- arginine - malic salt preparation |
| 04/04/2012 | CN102399141A 一种新的吉法酯关键中间体的制备方法 Preparation of a new gefarnate key intermediates |
| 04/04/2012 | CN102399140A Production method of ultra-clean and high-purity electronic grade acetic acid |
| 04/04/2012 | CN101468061B 北青龙衣提取物、制备方法及制药用途 North Qinglongyi extract, preparation method and pharmaceutical use |
| 04/04/2012 | CN101014561B Process for converting a hydrocarbon to an oxygenate or a nitrile |
| 04/03/2012 | US8148573 Polyfluoralkane carboxylic acid (or its salt) and process for producing the same |
| 04/03/2012 | US8148553 Catalytic conversion of cellulose to liquid hydrocarbon fuels by progressive removal of oxygen to facilitate separation processes and achieve high selectivities |
| 04/03/2012 | CA2524451C Rumen bypass calcium salts of trans and polyunsaturated fatty acids |
| 03/29/2012 | WO2012040503A2 Method and apparatus for the electrochemical reduction of carbon dioxide |
| 03/29/2012 | WO2012039973A1 Pump around reactor for production of acetic acid |
| 03/29/2012 | WO2012039841A1 Integrated process for producing alcohols from a mixed acid feed |
| 03/29/2012 | WO2012038833A1 Process for concentrating omega-3 fatty acids |
| 03/29/2012 | WO2012038752A1 Process and apparatus |
| 03/29/2012 | WO2012038751A2 Process and system |
| 03/29/2012 | WO2012038660A1 Method for preparing a complex of an acid and a metal |
| 03/29/2012 | WO2012018418A3 Method and device for carboxylic acid production |
| 03/29/2012 | WO2010136551A3 Catalyst and method for partially oxidizing hydrocarbons |
| 03/29/2012 | US20120078012 Production of acetic acid with high conversion rate |
| 03/29/2012 | US20120078011 Pump around reactor for production of acetic acid |
| 03/29/2012 | US20120078010 Process for recovering and recycling an acid catalyst |
| 03/29/2012 | US20120078005 Carbonylation process |
| 03/29/2012 | US20120078004 Acrylic Acid from Lactide and Process |
| 03/29/2012 | US20120074354 Method for the restabilization of (meth)acrylic monomers |
| 03/29/2012 | CA2812700A1 Pump around reactor for production of acetic acid |
| 03/29/2012 | CA2812305A1 Process for concentrating omega-3 fatty acids |
| 03/29/2012 | CA2810894A1 Method and apparatus for the electrochemical reduction of carbon dioxide |
| 03/28/2012 | EP2433924A1 Process for production of (meth)acrylic acid |
| 03/28/2012 | EP2433709A1 A process for regenerating a deactivated heteropolymolybdophosphoric acid catalyst |
| 03/28/2012 | EP2432757A1 Method for purifying carboxylic acids containing halogen compounds |
| 03/28/2012 | EP2139839B1 A method for preparation of 6-ý3-(1-adamantyl)-4-methoxyphenyl¨-2-naphtoic acid |
| 03/28/2012 | EP2139838B1 A process for the preparation of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphtoic acid |
| 03/28/2012 | CN102395554A Method and system for purifying monomers |
| 03/28/2012 | CN102395553A Method for recovering crystals from a crystallization slurry |
| 03/28/2012 | CN102395552A Alicyclic tetracarboxylic acid manufacturing method |
| 03/28/2012 | CN102395551A A process for producing an unsaturated carboxylic acid from an alkane |
| 03/28/2012 | CN102393637A Method for optimizing unit consumption of acetic acid of PTA (pure terephthalic acid) oxidation reactor in real time |
| 03/28/2012 | CN102391306A Spirobenzylamine-phosphine and preparation method and application thereof |
| 03/28/2012 | CN102391208A New crystal form I of quetiapine fumarate and preparation method thereof |
| 03/28/2012 | CN102391192A Preparation method and application of shikimic acid ligustrazine |
| 03/28/2012 | CN102391107A Method for preparing gallic acid quinolone drug salt and preparation method thereof |
| 03/28/2012 | CN102391106A Method for extracting high-purity Adenostemmoic acid B from Adenostemma Lavenia |
| 03/28/2012 | CN102391105A Method for preparing beta-naphthoxyacetic acid |
| 03/28/2012 | CN102391104A Process for synthesizing and separating (R)-(+)-2-para hydroxyphenoxypropionic acid |
| 03/28/2012 | CN102391103A Method for producing anhydrous citric acid crystal |
| 03/28/2012 | CN102391102A Method for preparing acetylpropionic acid by hydroxyacid hydrolysis of straw |
| 03/28/2012 | CN102391101A Process for refining gulonic acid |
| 03/28/2012 | CN102391100A Microwave drying and cooling method used in sodium gluconate production |
| 03/28/2012 | CN102391099A Method and equipment for producing sodium oxalate through continuous dehydrogenation by two-fluid spraying |
| 03/28/2012 | CN102391098A Method for synthesizing sodium diacetate crystal in one step |
| 03/28/2012 | CN102391097A Recovery method for phase fractionation of acetic acid-water in ceramic leaching waste liquor |
| 03/28/2012 | CN102391068A Novel distilled water continuous running process |
| 03/28/2012 | CN102390877A Treatment method of calcium hydrogen citrate washes and preparation method of citric acid |
| 03/28/2012 | CN102389411A Application of gallic acid to preparation of phosphodiesterase inhibitor anti inflammatory medicine |
| 03/28/2012 | CN102100742B Water-solubility extract of root of red-rooted salvia, preparation method thereof and application thereof |
| 03/28/2012 | CN101864088B Preparation method of compound type cobalt stearate adhesion promoter |
| 03/28/2012 | CN101328116B A process for producing acrylic acid |
| 03/28/2012 | CN101272857B Improved catalyst system |
| 03/28/2012 | CN101142168B Process for the preparation of benzoic acid derivatives via a new intermediate of synthesis |
| 03/28/2012 | CN101031538B Optimized purification production of terephthalic acid |
| 03/27/2012 | US8143444 Recovery of organic acids |
| 03/27/2012 | US8143442 Preparation for a cyclohexanecarboxylic acid derivative and intermediates |
| 03/27/2012 | US8143208 Alkyl-capped alkoxylated esters and compositions comprising same |
| 03/22/2012 | WO2012037258A1 Processes for preparing 1,2-substituted cyclopropyl derivatives |
| 03/22/2012 | WO2012035637A1 Silica-based material, manufacturing process therefor, noble metal carrying material, and carboxylic acid manufacturing process using same as catalyst |
| 03/22/2012 | WO2012035019A1 Method for producing acrylic acid from ethanol and formaldehyde |
| 03/22/2012 | WO2012035017A1 New process |
| 03/22/2012 | WO2012034839A1 Method for catalytically producing formic acid |
| 03/22/2012 | US20120071688 Process for preparing acrylic acid from methanol and acetic acid |