| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/05/2012 | WO2012000799A1 Process for preparing formic acid by reaction of carbon dioxide with hydrogen |
| 01/05/2012 | US20120004461 Method for converting aromatic aldehydes to aromatic acyl halides |
| 01/05/2012 | US20120004456 Process for purifying terephthalic acid |
| 01/05/2012 | US20120004451 Process for producing terephthalic acid |
| 01/05/2012 | US20120004450 Process for producing terephthalic acid |
| 01/05/2012 | US20120004449 Process for oxidizing alkyl aromatic compounds |
| 01/05/2012 | US20120004448 Process for oxidizing alkyl aromatic compounds |
| 01/05/2012 | US20120004442 Synthesis of (phenylalkyloxy)phenyl-oxobutanoic acids |
| 01/05/2012 | US20120004308 Method for obtaining solid micro- or nanoparticles |
| 01/05/2012 | US20120004106 Compositions and method for blocking ethylene response in plants using 3-cycloprop-1-enyl-propanoic acid salt |
| 01/05/2012 | CA2802927A1 Process for preparing formic acid by reaction of carbon dioxide with hydrogen |
| 01/05/2012 | CA2801580A1 Process for the preparation of formic acid |
| 01/05/2012 | CA2801303A1 A nitrided mixed oxide catalyst system and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| 01/05/2012 | CA2801279A1 A mixed oxide catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| 01/05/2012 | CA2774151A1 Process for preparing formic acid by reaction of carbon dioxide with hydrogen |
| 01/04/2012 | EP2401080A2 Process for the preparation of fischer-tropsch catalysts and their use |
| 01/04/2012 | EP2401066A1 A polybenzimidazole based membrane for deacidification |
| 01/04/2012 | EP2244995B1 Process for the production of acetic acid |
| 01/04/2012 | EP2046710B1 Process for alkaline hydrolysis of carboxylic acid derivatives to carboxylic acids |
| 01/04/2012 | CN102307879A Alkyl benzene tetracarboxylic dianhydride, manufacturing method thereof, polyimide, and application thereof |
| 01/04/2012 | CN102307848A Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester |
| 01/04/2012 | CN102307841A Preparation of acetic acid |
| 01/04/2012 | CN102307834A Allyl diacetate decomposition |
| 01/04/2012 | CN102304107A Method for preparing ranitidine carboxylic acid bismuth |
| 01/04/2012 | CN102304103A Fenofibrate acid salt, preparation method, pharmaceutical composition and application |
| 01/04/2012 | CN102304040A Method for preparing high-purity coronafacic acid by using macroporous resin |
| 01/04/2012 | CN102304038A Device and method for lowering concentration of fluorine ions carried in production of trifluoroacetic acid |
| 01/04/2012 | CN102304037A Method for extracting gossypol acetic acid from cottonseed meal in presence of solid acid catalyst |
| 01/04/2012 | CN102304036A Process for the preparation of a granular microbial biomass and isolation of a compound therefrom |
| 01/04/2012 | CN102302914A Device for mixing acetic acid with catalyst in acetic acid pyrolytic cracking reaction |
| 01/04/2012 | CN102030373B Method for preparing potassium permanganate and recovering cobalt and lithium by using waste batteries |
| 01/04/2012 | CN101585763B Method for synthesizing 2-[4-(4-chlorobutyryl)phenyl]-2-methylpropanoic acid |
| 01/04/2012 | CN101492366B Method for extracting allomaleic acid from fermentation liquor |
| 01/04/2012 | CN101486639B Novel method for synthesizing mixed glucose derivative |
| 01/04/2012 | CN101475462B Method for recycling hydrogen from refined benzene dicarboxylic acid plant discharge airflow |
| 01/04/2012 | CN101412658B Method for saponification and acidolysis of hydrogenated castor oil by using high concentration acid and alkali |
| 01/04/2012 | CN101255104B Method and device for preparing carboxylic acids by hydrolysis of polybasic carboxylic acid ester |
| 01/04/2012 | CN101115555B Catalyst and process for preparing aromatic carboxylic acids |
| 01/03/2012 | US8088948 Systems and methods for processing glycerol |
| 01/03/2012 | US8088947 Method for producing methacrolein and/or methacrylic acid |
| 01/03/2012 | US8088946 Method for manufacturing palladium-containing catalyst |
| 01/03/2012 | US8088945 Palladium-containing catalyst, method for producing same, and method for producing α,β-unsaturated carboxylic acid |
| 01/03/2012 | US8088832 System and method for converting biomass to ethanol via syngas |
| 01/03/2012 | CA2644399C Multiple-metal complex-containing compound and metal complex, and manufacture methods therefor, and exhaust gas purification catalyst manufacture method using the same |
| 01/03/2012 | CA2435911C A process for the preparation of perfluoropolyethers acyl-fluoride ended by reduction of the corresponding peroxidic perfluoropolyethers |
| 12/29/2011 | WO2011162404A1 Process for producing alpha-ketocarboxylic acid |
| 12/29/2011 | WO2011162351A1 Porous metal complex, process for producing same, gas storage method, and gas separation method |
| 12/29/2011 | WO2011162350A1 Processes for producing aqueous diamine dicarboxylic acid salt solution and polyamide |
| 12/29/2011 | WO2011161276A1 Selective oxidation of hydrocarbons using heterogeneous catalysts |
| 12/29/2011 | WO2011161255A2 Novel process for the preparation of nitrogen substituted aminotetralins derivatives |
| 12/29/2011 | WO2011160822A1 Organic salts and co-crystals of phenylbutyric acid of d-amino acids |
| 12/29/2011 | WO2011160821A2 Organic salts and co-crystals of phenylbutyric acid |
| 12/29/2011 | WO2011160760A1 Process for removing, isolating and purifying dicarboxylic acids |
| 12/29/2011 | WO2011107577A3 Modified zinc salts of c4-8-alkane dicarboxylic acids and use thereof as polymerization catalysts |
| 12/29/2011 | US20110319662 Method for producing phosgene |
| 12/29/2011 | US20110319661 Process for producing (meth) acrylic acid |
| 12/29/2011 | US20110319660 Method of purifying lactic acid by crystallization |
| 12/29/2011 | US20110319658 Process for preparing formic acid by reaction of carbon dioxide with hydrogen |
| 12/29/2011 | US20110319654 Carbonylation process for the production of methyl acetate |
| 12/29/2011 | US20110319641 Treprostinil production |
| 12/29/2011 | DE202011108063U1 Wasserlösliche organische Säuren natürlichen Ursprungs Water-soluble organic acids of natural origin |
| 12/29/2011 | DE102010025167A1 Verfahren zur Abtrennung, Gewinnung und Reinigung von Bernsteinsäure Process for the separation, recovery and purification of succinic acid |
| 12/29/2011 | CA2802951A1 Process for the separation, recovery and purification of dicarboxylic acids |
| 12/29/2011 | CA2798815A1 Novel process for the preparation of nitrogen substituted aminotetralins derivatives |
| 12/28/2011 | EP2399902A1 Process for preparing 2,3-di-non-straight-alkyl-2-cyano succinic acid diesters |
| 12/28/2011 | EP2399897A1 Method for producing oxygen-containing compound |
| 12/28/2011 | EP2398832A1 Polymerization inhibitor composition and method of inhibiting polymerization of distillable monomers |
| 12/28/2011 | EP2398758A1 Reactive extraction of free organic acids from ammonium salts thereof |
| 12/28/2011 | EP2398757A1 Method for producing a free acid from the salt thereof |
| 12/28/2011 | EP1940766B1 Neutralization process |
| 12/28/2011 | EP0925272B2 Method for removing by-products obtained when producing acrylic acid or methacrylic acids |
| 12/28/2011 | CN102300636A 二氧化硅负载催化剂的制造方法、以及不饱和羧酸或不饱和腈的制造方法 The method of producing silica-supported catalyst, and an unsaturated carboxylic acid or an unsaturated nitrile manufacturing method |
| 12/28/2011 | CN102300626A 过滤器的再生方法 The method of regeneration of the filter |
| 12/28/2011 | CN102295555A 环丙基羧酸酯及其衍生物的制备方法 Preparation of cyclopropyl carboxylic acid esters and derivatives thereof |
| 12/28/2011 | CN102295552A 一种提高3,6-二氯-2-羟基苯甲酸收率的方法 A yield of 3,6-dichloro-2-hydroxybenzoic method for increasing the |
| 12/28/2011 | CN102295551A S-(-)-α-苯乙胺拆分消旋萘普生 S - (-) - α- phenethylamine Separation of racemic naproxen |
| 12/28/2011 | CN102295550A 进一步加工被纯化的羟基羧酸的方法 Further processing of the purified hydroxy carboxylic acid |
| 12/28/2011 | CN102295544A 一种醋酸异丙烯酯粗馏残液处理方法 One kind of isopropenyl acetate crude distillation residue treatment |
| 12/28/2011 | CN102295500A 一种抑制乙烯基化合物聚合的方法 A method for inhibiting polymerization of a vinyl compound |
| 12/28/2011 | CN102295499A 用于抑制乙烯基化合物聚合的阻聚剂 For inhibiting polymerization of a vinyl polymerization inhibitor compound |
| 12/28/2011 | CN102294265A 低水羰基化合成醋酸的催化剂及其制备方法和应用 Low water carbonylation acetic acid synthesis catalyst and preparation method and application |
| 12/28/2011 | CN102293402A 一种动物源食用钙的制备方法及设备 An edible animal source of calcium preparation and equipment |
| 12/28/2011 | CN101993164B 聚对苯二甲酸丁二醇酯刷丝磨尖时产生的废水的治理及回收方法 Polyethylene terephthalate waste generated during ester sharpened wire brush treatment and recovery methods |
| 12/28/2011 | CN101757956B 一种自催化剂-焦油溶液中回收铑催化剂的方法 A self-catalyst - recovery of rhodium catalyst tar solution method |
| 12/28/2011 | CN101537299B 一种回收利用对苯二甲酸生产尾气中有机物的方法 A process for recovering terephthalic acid production and use of organic methods exhaust |
| 12/28/2011 | CN101348430B 一种固体超强酸催化秸秆制备乙酰丙酸的方法 A solid super acid catalyst straw levulinic acid preparation method |
| 12/28/2011 | CN101193849B 2-乙基己酸铌衍生物、该衍生物的制造方法、含有该衍生物的有机酸金属盐组合物及使用该组合物的薄膜的制造方法 Niobium 2-ethylhexanoate derivative, method for producing the derivative, the derivative containing organic acid metal salt composition and use of the composition of the thin film manufacturing method |
| 12/28/2011 | CN101182455B 一种纤维床反应器与萃取分离耦合生产丙酸的装置及工艺 A fiber-bed reactor with the extraction and separation equipment and technology coupled production of propionic acid |
| 12/27/2011 | US8084639 Method of reducing inflow of water from a reactor outlet gas to a dehydration tower for separating carboxylic acid solvent and water |
| 12/27/2011 | US8084459 Substituted quinazolinones for treating neurological conditions |
| 12/27/2011 | US8084388 Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid |
| 12/22/2011 | WO2011159740A2 Methods for manufacturing tetranor-prostaglandin d, j, e, a and f metabolites |
| 12/22/2011 | WO2011159557A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof |
| 12/22/2011 | WO2011159268A1 Carbonylation process |
| 12/22/2011 | WO2011113748A3 Method for recycling the materials of aqueous mixtures comprising formic acid, formaldehyde and methanol |
| 12/22/2011 | US20110313193 Purification of acetic acid |
| 12/22/2011 | US20110313180 Thermal methods for treating a metathesis feedstock |
| 12/22/2011 | US20110313032 Competitive inhibitors of type ii dehydroquinase enzyme |
| 12/22/2011 | US20110311990 Tetranor-pgem/pgam specific immunogens, antibodies, tracers, assay kits and methods for making same |
| 12/22/2011 | CA2802387A1 Methods for manufacturing tetranor-prostaglandin d, j, e, a and f metabolites |