| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/29/2013 | CN103124901A Acetic acid production process |
| 05/29/2013 | CN103124714A Process for the purification of aromatic dicarboxylic acid |
| 05/29/2013 | CN103122043A Preparation method of deiodination agent |
| 05/29/2013 | CN103121993A Salt of 2,6-dichloro-3-fluorophenyl derivative |
| 05/29/2013 | CN103121950A Method of refining crude terephthalic acid |
| 05/29/2013 | CN103121949A Method for hydrotreating crude terephthalic acid |
| 05/29/2013 | CN103121948A Method for purifying crude terephthalic acid oxidized sizing agent |
| 05/29/2013 | CN103121947A Method for replacing p-xylene in crude terephthalic acid filter cake |
| 05/29/2013 | CN103121946A Method for washing crude terephthalic acid filter cake |
| 05/29/2013 | CN103121945A Method for treating terephthalic acid subjected to hydrorefining |
| 05/29/2013 | CN103121944A Hydrofining method of crude terephthalic acid |
| 05/29/2013 | CN103121943A Method for purifying crude isophthalic acid oxidized sizing agent |
| 05/29/2013 | CN103121942A Method for hydrofining crude terephthalic acid |
| 05/29/2013 | CN103121941A Method for washing crude terephthalic acid filter cake |
| 05/29/2013 | CN103121940A Method for hydroprocessing coarse isophthalic acid |
| 05/29/2013 | CN103121939A Method for preparing reaction material by hydrofining of crude isophthalic acid |
| 05/29/2013 | CN103121938A Processing method of hydrorefined isophthalic acid |
| 05/29/2013 | CN103121937A Method for removing acetic acid in crude isophthalic acid filter cakes |
| 05/29/2013 | CN103121936A Continuous malic acid synthesizing device and preparation method of malic acid |
| 05/29/2013 | CN103121935A Method for extracting refined long-chain dicarboxylic acid |
| 05/29/2013 | CN103121934A Method for reducing iodide impurity content in acetic acid |
| 05/29/2013 | CN103120937A Method for preparing Pd/C catalyst for refining terephthalic acid |
| 05/29/2013 | CN103120936A Preparation method of Pd/C catalyst |
| 05/29/2013 | CN103120861A Hexane diacid crystallization device |
| 05/29/2013 | CN102795964B 20000-ton-annual-yield production technique of trimethylolpropane by calcium method |
| 05/29/2013 | CN101973871B Electronic grade citric acid and production method thereof |
| 05/29/2013 | CN101973869B Method for synthesis of flurbiprofen |
| 05/29/2013 | CN101808972B Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts |
| 05/29/2013 | CN101786951B Method for purifying crude acrylic acid and device thereof |
| 05/29/2013 | CN101781217B Method for high-selectivity co-production of nitrocyclohexane and adipic acid |
| 05/29/2013 | CN101735037B Synthesis method of sweet taste inhibitor 2-(4- methoxyphenyl) sodium propionate |
| 05/29/2013 | CN101679199B Method of distilling liquid containing easily polymerizable compound |
| 05/29/2013 | CN101643399B Method for preparing cobalt acetate solution |
| 05/29/2013 | CN101613266B Monohydroxy conjugated linoleic acid, preparation method and application thereof |
| 05/29/2013 | CN101607890B Method for continuously neutralizing and extracting citric acid |
| 05/29/2013 | CN101575281B Chloroacetic acid producing method and reaction equipment thereof |
| 05/29/2013 | CN101437785B Method for producing 4-oxoquinoline compound |
| 05/29/2013 | CN101010267B 优化的液相氧化 Optimized liquid phase oxidation |
| 05/29/2013 | CA2808514A1 Process for preparing liquid overbased metal carboxylates, mixed metal stabilizers containing same, and stabilized halogen-containing polymers therewith |
| 05/28/2013 | US8450524 Process for producing carboxylic acid anhydrides |
| 05/28/2013 | US8450523 Process for preparation of a carboxylic acid salt by dehydrogenation of a primary alcohol |
| 05/28/2013 | US8450521 Carbonylation process catalysed by mordenite supported on inorganic oxides |
| 05/28/2013 | US8450493 Spiro phosphine-oxazoline, preparation method and application thereof |
| 05/28/2013 | CA2765892C Carbohydrate route to para-xylene and terephthalic acid |
| 05/23/2013 | WO2013073691A1 Catalyst for production of methacrylic acid and method for producing methacrylic acid using same |
| 05/23/2013 | WO2013071411A1 Methods for the synthesis of 13c labeled dha and use as a reference standard |
| 05/23/2013 | WO2013022998A3 Production of carboxylates and methane from biomass waste |
| 05/23/2013 | WO2013013884A3 Process for nitrile removal from hydrocarbon feeds |
| 05/23/2013 | WO2012153345A4 Docosahexaenoic acid (dha) as polyunsaturated free fatty acid in its directly compressible powder form and method of isolation thereof |
| 05/23/2013 | US20130131380 Process for the selective oxidation of carbon monoxide |
| 05/23/2013 | US20130131379 Method for preparing carboxylic acids by oxidative cleavage of a vicinal diol |
| 05/23/2013 | US20130131378 Process for preparing 4-nitro-oxy-methyl-benzoic acid |
| 05/23/2013 | US20130131375 Process for preparing difluoroacetic acid, salts thereof or esters thereof |
| 05/23/2013 | US20130131359 Processes and intermediates for preparing steric compounds |
| 05/23/2013 | US20130131267 Novel compound, method for producing the same and method for producing fluoropolymer |
| 05/23/2013 | US20130131172 Novel antimicrobial compounds and uses thereof |
| 05/23/2013 | US20130130318 Process for obtaining biochemicals in a zero-liquid discharge plant |
| 05/23/2013 | US20130129608 Porous coordination polymer, process for producing same, gas storage method, and gas separation method |
| 05/22/2013 | EP2594551A1 Uses of pharmaceutical-grade ferric organic compounds |
| 05/22/2013 | EP2593202A1 Process and system for the separation of solid carboxylic acid fines |
| 05/22/2013 | EP2559679A3 Method for producing 1,6-hexanediol by hydrogenation of oligo- and polyesters |
| 05/22/2013 | CN202942708U Three-leg type suction filter |
| 05/22/2013 | CN202942707U Three-leg type jacket suction filter |
| 05/22/2013 | CN103119017A Method and apparatus for the electrochemical reduction of carbon dioxide |
| 05/22/2013 | CN103119015A Processes for the resolution of nitrogen substituted (S) - 5 -alkoxy- 2 -aminotetralin derivatives |
| 05/22/2013 | CN103119008A Integrated process for producing ethanol from methanol |
| 05/22/2013 | CN103119003A Integrated process for producing ethanol from methanol |
| 05/22/2013 | CN103113371A Acyclovir eutectic and preparation method thereof and preparation |
| 05/22/2013 | CN103113363A Iloperidone-benzoic acid organic pharmaceutical co-crystal and preparation method thereof |
| 05/22/2013 | CN103113362A Iloperidone-p-hydroxybenzoic acid organic pharmaceutical co-crystal and preparation method thereof |
| 05/22/2013 | CN103113348A Pseudo-polymorphic form of desloratadine citrate disodium and preparation method thereof |
| 05/22/2013 | CN103113252A Technology process for recovering spandex DMAC (Dimethylacetamide) solvent |
| 05/22/2013 | CN103113244A Method for preparing transdermal absorption synephrine derivative |
| 05/22/2013 | CN103113228A Preparation method of C21-38 saturated alicyclic binary acid or ester and use thereof |
| 05/22/2013 | CN103113219A Synthetic method of 2-chlorine-4-trifluoromethyl benzoic acid |
| 05/22/2013 | CN103113218A Mapping-agathis dammara type diterpene compound, and preparation method and application thereof |
| 05/22/2013 | CN103113217A Cembrene type diterpene compound, as well as preparation method and application thereof |
| 05/22/2013 | CN103113216A Naproxen sodium crystal compound, medical composition and preparation method thereof |
| 05/22/2013 | CN103113215A Method for preparing acetylpropionic acid by means of concerted catalysis effect of Lewis acid and Bronsted acid on degradation of hexahydric carbohydrate in high-temperature liquid water |
| 05/22/2013 | CN103113214A Method for adjusting and controlling structure and shape of calcium oxalate crystals by using colibacillus secretion |
| 05/22/2013 | CN103113213A Preparation method of calcium propionate |
| 05/22/2013 | CN103113212A Method for preparing industrial zinc acetate through zinc acetate residues and application thereof |
| 05/22/2013 | CN103113211A Splitting method for racemic 2-benzene propanoic acid |
| 05/22/2013 | CN103113210A Hydroxyl amyl benzoate potassium crystal and preparation method thereof |
| 05/22/2013 | CN103113209A Method for removing organic amine nitrogen impurities from long chain binary acid produced by using microbiological method |
| 05/22/2013 | CN103113208A Continuous production process for preparing calcium formate through calcium hydroxide carbonylation |
| 05/22/2013 | CN103113207A Bio-based peralkaline liquid fatty acid calcium salt |
| 05/22/2013 | CN103113206A Preparation method of neodecanoic acid cobalt |
| 05/22/2013 | CN103113186A Treating method and treating device for ketene dimer production residues |
| 05/22/2013 | CN103111085A Adipic acid crystallization system |
| 05/22/2013 | CN102179261B Catalyst for preparing crylic acid from propane through selective oxidation and preparation method thereof |
| 05/22/2013 | CN102140061B Preparation method of naphthenic propionic acid |
| 05/22/2013 | CN101851643B Production equipment of crystalline L-lactic acid and method of producing crystalline L-lactic acid with production equipment |
| 05/22/2013 | CN101747175B Medicinal-grade magnesium stearate and refining process thereof |
| 05/22/2013 | CN101703944B Molecular sieve modified catalyst, preparation method and application thereof to preparation of acrylic ester |
| 05/22/2013 | CN101679182B Method for starting a heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid or of methacrolein into methacrylic acid |
| 05/22/2013 | CN101472875B Process for alkaline hydrolysis of carboxylic acid derivatives to carboxylic acids |
| 05/22/2013 | CN101277921B Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier |
| 05/21/2013 | US8445709 Systems and methods for refining alkyl ester compositions |
| 05/21/2013 | US8445400 Glycerol-based solid acid catalysts useful for the esterification of fatty acids, a process and use thereof |