| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) | 
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| 03/05/2014 | CN103613505A Method for synthesizing semi-aromatic nylon salt by using mixed solvent  | 
| 03/05/2014 | CN103613499A Production method for sodium benzoate  | 
| 03/05/2014 | CN103613497A Method for producing chloroacetic acid by use of large crystallization kettle  | 
| 03/05/2014 | CN103613496A Preparation method of neodymium neodecanoic acid  | 
| 03/05/2014 | CN103613495A Preparation method of long-carbon chain semi-aromatic nylon salt  | 
| 03/05/2014 | CN103613479A Preparation method of aromatic carboxylic acid compounds  | 
| 03/05/2014 | CN103611522A Catalyst for synthesizing acrylic acid (ester) by taking formaldehyde and acetic acid as raw materials and preparation method thereof  | 
| 03/05/2014 | CN103611471A Carboxylate surfactant containing aryl groups and preparation method thereof  | 
| 03/05/2014 | CN103611466A Preparation method of no-salt surfactant viscoelastic solution  | 
| 03/05/2014 | CN102978011B Method for preparing low-pour-point lubricant additive from low-priced cotton seed oil  | 
| 03/05/2014 | CN102316978B Method for continuously manufacturing geometric catalyst molded bodies K  | 
| 03/05/2014 | CN102307841B Preparation of acetic acid  | 
| 03/05/2014 | CN102040512B Crude terephthalic acid mother solution replacing method  | 
| 03/05/2014 | CN101809061B Integrated polyester production facility  | 
| 03/05/2014 | CN101544559B Method for separating and extracting isostearic acid from monomer acid  | 
| 03/04/2014 | US8664438 Process for producing carbonyl difluoride  | 
| 03/04/2014 | US8664437 Process for producing (meth) acrylic acid  | 
| 03/04/2014 | US8664436 Process for the separation of organic acids and amino acids from fermentation broths  | 
| 03/04/2014 | US8664435 Liquid lactic acid composition and method for preparation thereof  | 
| 03/04/2014 | US8664434 Method for producing aliphatic carboxylic acids from aldehydes by microreaction technology  | 
| 03/04/2014 | US8664424 Method for preparing 2,5-dimethylphenylacetic acid  | 
| 03/04/2014 | US8664283 Purification of acetic acid product streams  | 
| 02/27/2014 | WO2014031407A1 Process for recovering permanganate reducing compounds from an acetic acid production process  | 
| 02/27/2014 | WO2014031244A1 The production of acrylic acid from a methane conversion process  | 
| 02/27/2014 | WO2014030523A1 Method for producing iron carbonate  | 
| 02/27/2014 | WO2014030038A1 Method to produce n-acyl amino acid surfactants using n-acyl amino acid surfactants or the corresponding anhydrides as catalysts  | 
| 02/27/2014 | WO2014029689A1 Method for producing acetylenedicarboxylic acid from acetylene and carbon dioxide  | 
| 02/27/2014 | WO2014029480A1 Process for preparing carboxymethyloxysuccinic acid and salts thereof from glyoxal  | 
| 02/27/2014 | US20140058133 Production of acrylic acid from a methane conversion process  | 
| 02/27/2014 | US20140058132 Method for producing acetylenedicarboxylic acid from acetylene and carbon dioxide  | 
| 02/27/2014 | US20140058131 Process For Recovering Permanganate Reducing Compounds From An Acetic Acid Production Process  | 
| 02/27/2014 | US20140058130 Method for Synthesis of Lactic Acid and Its Derivatives  | 
| 02/27/2014 | US20140058126 New process for the preparation of 2,4,5- trifluorophenylacetic acid"  | 
| 02/27/2014 | US20140058125 Ortho-fluoro substituted compounds for the treatment of metabolic diseases  | 
| 02/27/2014 | DE102006022168B4 Katalytisches Verfahren zur Herstellung von aliphatischen geradkettigen und ß-alkylverzweigten Carbonsäuren A catalytic process for preparing aliphatic straight-chain and ß-alkyl-branched carboxylic acids  | 
| 02/26/2014 | EP2699618A2 Variations on prins-like chemistry to produce 2,5-dimethylhexadiene from isobutanol  | 
| 02/26/2014 | EP2699536A1 Method for producing unsaturated compounds  | 
| 02/26/2014 | CN203448102U Gas-liquid spraying circulating reaction device for preparing glyoxylic acid by oxygen oxidization method  | 
| 02/26/2014 | CN203448100U Residue circulating reaction device for preparing glyoxylic acid by oxygen oxidization method  | 
| 02/26/2014 | CN203448075U Gas-liquid double-circulation reaction device for preparing glyoxylic acid by utilizing air oxidation method  | 
| 02/26/2014 | CN203447797U DMF (dimethylformamide) purifying device  | 
| 02/26/2014 | CN103608325A Process for separating monochloroacetic acid and dichloroacetic acid via extractive distillation  | 
| 02/26/2014 | CN103608324A Production of carboxylic acid and salt by-products  | 
| 02/26/2014 | CN103601701A Method for preparing levo-cloperastine fendizoic acid salt  | 
| 02/26/2014 | CN103601645A Preparation method of 1-(phenethylamino) propane-2-alcoholic compounds or salts thereof  | 
| 02/26/2014 | CN103601639A O-chlorobenzoic acid synthesis process  | 
| 02/26/2014 | CN103601638A Continuous production process and device of benzoic acid  | 
| 02/26/2014 | CN103601637A Treatment method for recovering fumaric acid from phthalic anhydride wastewater  | 
| 02/26/2014 | CN103601636A Preparation method for fumaric acid  | 
| 02/26/2014 | CN103601635A Method for degrading residual itaconic acid fermentation liquid sugar  | 
| 02/26/2014 | CN103601634A Preparation method for ultrafine impurity-doped ferrous oxalate special for lithium iron phosphate  | 
| 02/26/2014 | CN103601633A Method of synthesizing bismuth neodecanoate  | 
| 02/26/2014 | CN103601632A Synthetic method for stannous stearate  | 
| 02/26/2014 | CN103601631A Preparation method of feed additive sodium butyrate  | 
| 02/26/2014 | CN103601630A Method utilizing calcium carbide slag and carbon monoxide to synthesize calcium formate  | 
| 02/26/2014 | CN103599795A Catalyst for preparing cyclohexane carboxylic acid through benzoic acid hydrogenation and preparation method and application thereof  | 
| 02/26/2014 | CN103599145A Helleborus thibetanus extract, separation method of effective components in Helleborus thibetanus extract and compounds obtained by separation method  | 
| 02/26/2014 | CN103102259B Ibuprofen hydrate crystal, medicinal composition containing hydrate crystal and preparation method thereof  | 
| 02/26/2014 | CN102659495B Method for separating chiral drugs by using oligonucleotides  | 
| 02/26/2014 | CN102503814B Synthesis method for triiodo benzoic triformic acid  | 
| 02/26/2014 | CN102428065B Method for producing (meth)acrylic acid  | 
| 02/26/2014 | CN102414159B Method for producing (meth)acrylic acid  | 
| 02/26/2014 | CN102333753B Process for production of (meth)acrylic acid  | 
| 02/26/2014 | CN102260166B Method for drying citrate monohydrate crystals  | 
| 02/26/2014 | CN101632925B Catalyst and method for producing carboxylic acid and/or carboxylic anhydride in the presence of the catalyst  | 
| 02/25/2014 | US8658824 Processes for producing acrylic acids and acrylates  | 
| 02/25/2014 | US8658823 Processes for producing acrylic acids and acrylates  | 
| 02/25/2014 | US8658822 Processes for producing acrylic acids and acrylates  | 
| 02/25/2014 | US8658820 Catalyst systems for the production of acids  | 
| 02/25/2014 | CA2632846C Production of sodium diformate  | 
| 02/25/2014 | CA2581987C Process for the purification of lanthanide carboxylates  | 
| 02/20/2014 | WO2014028601A1 Improving catalyst stability in carbonylation processes  | 
| 02/20/2014 | WO2014008379A3 Diamine and meglumine salt forms of fatty acids  | 
| 02/20/2014 | US20140051886 Process for preparing methacrylic acid  | 
| 02/20/2014 | US20140051885 Catalyst stability in carbonylation processes  | 
| 02/20/2014 | US20140051884 Production of aromatic carboxylic acids  | 
| 02/20/2014 | US20140051876 Method for manufacturing phosphonocrotonic acid derivative  | 
| 02/20/2014 | US20140051872 Catalysts for hydrodeoxygenation of oxygenated hydrocarbons  | 
| 02/20/2014 | US20140051710 Crystalline form of carbamoyl-cyclohexane derivatives  | 
| 02/20/2014 | US20140051140 PROCESS OF BIOLOGICALLY PRODUCING A p-HYDROXYBENZOIC ACID  | 
| 02/19/2014 | CN103588648A Amantadine formate compound and preparation method thereof  | 
| 02/19/2014 | CN103588638A Method for synthetizing 4-(benzene butoxy) benzoic acid  | 
| 02/19/2014 | CN103588637A Preparation method of potassium dihydrogen citrate  | 
| 02/19/2014 | CN103588636A Method for preparing acrylic acid through hydrolyzation of methyl acrylate under catalysis of acidic resin  | 
| 02/19/2014 | CN103588635A Preparation method of 2-methacrylic anhydride  | 
| 02/19/2014 | CN103588634A Method for extracting DHA from marine microalgae fermentation liquor through extraction separation  | 
| 02/19/2014 | CN103588633A Preparation technology of 5(6)-decenoic acid  | 
| 02/19/2014 | CN103588632A Method and equipment for efficiently synthesizing adipate crystal from ammonium adipate formation waste liquid  | 
| 02/19/2014 | CN103588631A Method for preparing formic acid through hydrothermal reduction of CO2 by metallic Mn  | 
| 02/19/2014 | CN103588630A Environmental-protection type copper stearate synthesis method  | 
| 02/19/2014 | CN103588616A Selaginella pulvinata extract as well as preparation method and applications thereof  | 
| 02/19/2014 | CN103588600A Method for removing boric acid group by catalyzing organic borate compound with copper under air atmosphere  | 
| 02/19/2014 | CN103588349A Processing method of terephthalic acid waste water  | 
| 02/19/2014 | CN103588328A Method for recycling magnesium oxalate in case of treating sewage containing benzene-based pollutants  | 
| 02/19/2014 | CN103588266A Chemical recycling method for treating organic acid in wastewater from electrode foil chemical synthesis  | 
| 02/19/2014 | CN103586067A Catalyst for synthesizing acrylic acid by aqueous formaldehyde solution and acetic acid and preparation and application method of catalyst  | 
| 02/19/2014 | CN103586006A Method of aminopyridine modified resin for adsorbing rhodium octanoate dimer and metal ions  | 
| 02/19/2014 | CN103585925A Preparation method of double-end based amide type glycine betaine surfactant and application thereof  | 
| 02/19/2014 | CN103585906A Terephthalic acid powder recycling device and recycling method  | 
| 02/19/2014 | CN102827894B Method for separating anthocyanin pigment and lactic acid from radish fermentation broth  |