| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/10/2013 | CN103030552A Method for one-time synthesis of 2-phenylpropionic acid by strawberry aldehyde |
| 04/10/2013 | CN103030551A Method for preparing acetic acid by water gas |
| 04/10/2013 | CN103030550A Method of purifying and refining long-chain dicarboxylic acids and product |
| 04/10/2013 | CN103030549A P-benzoquinone derivative and application thereof |
| 04/10/2013 | CN103028591A Novel technology for recovering and treating waste water, waste residue and waste carbon based on production of gallic acid |
| 04/10/2013 | CN103028422A Regeneration method for refining palladium-carbon catalysts through coarse terephthalic acid hydrogenation |
| 04/10/2013 | CN103028398A Method for preparing palladium carbon catalyst for hydrogenation and refining of crude terephthalic acid |
| 04/10/2013 | CN103028397A Palladium carbon catalyst for hydrogenation and refining of crude terephthalic acid |
| 04/10/2013 | CN102371159B Catalyst for oxidizing isobutene of tert-butyl alcohol to prepare methy acraldehyde and preparation method thereof |
| 04/10/2013 | CN102342927B Method for extracting silkworm chrysalis extract |
| 04/10/2013 | CN102218344B 3,5-dicarboxyl pyrazole iridium complex catalyst used for carbonylation synthesis of acetic acid as well as preparation method and application thereof |
| 04/10/2013 | CN102040504B Method for preparing adipic acid by taking carbon nanotube filled with magnetic iron particles as catalyst |
| 04/10/2013 | CN102010327B Splitting method of (+/-)-2-(3-benzoyl)-phenylpropionic acid |
| 04/10/2013 | CN101948379B Method for preparing battery-level ferrous oxalate |
| 04/10/2013 | CN101914011B Method for preparing levulinic acid by catalyzing bamboo shoot shells through functional ionic liquid |
| 04/10/2013 | CN101891607B Production method for synthesizing zinc fumarate feed addictive by using secondary zinc oxide |
| 04/10/2013 | CN101792386B Method for processing solvent and byproducts in aromatic carboxylic acid production |
| 04/10/2013 | CN101733086B Preparation and application of nano silica-base material |
| 04/10/2013 | CN101659607B Method for preparing acetic acid and acetic anhydride respectively or synchronously |
| 04/10/2013 | CN101659586B Extraction separation method for salicylic acid derivatives and corresponding phenol derivatives |
| 04/10/2013 | CN101575289B Method for separating chemical components of daphne genkwa twigs |
| 04/10/2013 | CN101468947B Hydrolyzing method for aromatic primary amide |
| 04/09/2013 | US8415498 Process for producing acrolein and/or acrylic acid |
| 04/04/2013 | WO2013049605A1 Processes for the preparation of an intermediate in the synthesis of eltrombopag |
| 04/04/2013 | WO2013048764A1 Method for preparing high purity mono-hydrolyzed acyl halide compound |
| 04/04/2013 | WO2013048762A1 In-situ method for preparing hydrolyzed acyl halide compound |
| 04/04/2013 | WO2013048646A1 Process for the (amm)oxidation of lower molecular weight alkanes and alkenes |
| 04/04/2013 | WO2013048248A1 Process for the preparation of a benzene derivative |
| 04/04/2013 | WO2013047479A1 Method for producing acrolein, acrylic acid, and derivative thereof |
| 04/04/2013 | WO2013047248A1 Microreactor and method for manufacturing reaction product |
| 04/04/2013 | WO2013045786A1 Process for recovering noble products in a process for producing dialkylaminoalkyl (meth)acrylates |
| 04/04/2013 | WO2013044854A1 Catalyst for preparing acrylic acid from lactic acid and process for preparing acrylic acid with the catalyst |
| 04/04/2013 | WO2013023257A8 Oxidative catalytic process for the synthesis of lactic acid |
| 04/04/2013 | WO2013018915A3 Improved process of dehydration reactions |
| 04/04/2013 | WO2013017942A3 Improved process of dehydration reactions |
| 04/04/2013 | WO2012134898A3 Steam re-calcination of mixed metal oxide catalysts |
| 04/04/2013 | US20130085303 Processes for Producing Acrylic Acids and Acrylates |
| 04/04/2013 | US20130085302 Processes for Producing Acrylic Acids and Acrylates |
| 04/04/2013 | US20130085301 Processes for Producing Acrylic Acids and Acrylates |
| 04/04/2013 | US20130085300 Processes for the Production of Acrylic Acids and Acrylates From A Trioxane Feed |
| 04/04/2013 | US20130085299 Processes for Producing Acrylic Acids and Acrylate with Diluted Crude Acrylate Stream |
| 04/04/2013 | US20130085298 Processes for Producing Acrylic Acids and Acrylates with Liquid Product Dilution |
| 04/04/2013 | US20130085297 Processes for Producing Acrylic Acids and Acrylates with Pre- and Post-Reactor Dilution |
| 04/04/2013 | US20130085296 Processes for the production of acrylic acids and acrylates |
| 04/04/2013 | US20130085295 Processes for producing acrylic acids and acrylates |
| 04/04/2013 | US20130085294 Processes for producing acrylic acids and acrylates |
| 04/04/2013 | US20130085293 Catalysts for producing acrylic acids and acrylates |
| 04/04/2013 | US20130085292 Processes for Producing Acrylic Acids and Acrylates |
| 04/04/2013 | DE102012105128A1 Cleaning or processing of long chain dicarboxylic acid or its salt, comprises e.g. acidifying raw material, dissolving, decolorizing, filtering, drying, suspending in water, lowering temperature and obtaining dicarboxylic acid crystals |
| 04/04/2013 | CA2850060A1 Industrial oil comprising a bio-derived ester |
| 04/03/2013 | EP2574606A1 Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
| 04/03/2013 | CN202844985U Large-sized chlorination kettle for producing chloroacetic acid |
| 04/03/2013 | CN202844981U Reactor of multistage fixed catalyst bed |
| 04/03/2013 | CN202844611U Distillation device system for recovering chloroactic acid mother liquor |
| 04/03/2013 | CN103025851A Hydrogen treatment of impure tall oil for the production of aromatic monomers |
| 04/03/2013 | CN103025702A Process for the continuous transvinylation of carboxylic acids with vinyl acetate |
| 04/03/2013 | CN103025700A Production of aromatic carboxylic acids |
| 04/03/2013 | CN103025699A Processes for producing diaminobutane (dab), succinic dinitrile (sdn) and succinamide (dam) |
| 04/03/2013 | CN103025698A Selective oxidation of hydrocarbons using heterogeneous catalysts |
| 04/03/2013 | CN103025697A Microwave assisted synthesis of dehydrated sugar derivatives hydroxymethylfurfural, levulinic acid, anhydrosugar alcohols, and ethers thereof |
| 04/03/2013 | CN103025685A Carbocatalysts for chemical transformations |
| 04/03/2013 | CN103025424A Catalyst for oxidation of o-xylene and/or naphthalene to phthalic anhydride |
| 04/03/2013 | CN103013341A Process for synthesizing hydrogenated rosin |
| 04/03/2013 | CN103012837A Recovery processing method of polyimide film |
| 04/03/2013 | CN103012525A Method for synthesizing emamectin benzoate |
| 04/03/2013 | CN103012500A Pyridine nickel rhodium catalyst as well as preparation method and application thereof |
| 04/03/2013 | CN103012185A Preparing method for agomelatine drug for curing depressive disorder |
| 04/03/2013 | CN103012178A Method for preparing L-lysine monoacetate |
| 04/03/2013 | CN103012166A Cyclohexanol derivative and pharmaceutical application thereof |
| 04/03/2013 | CN103012138A Method for preparing pentaerythritol stearate (PETS) by using illegal cooking oil |
| 04/03/2013 | CN103012126A Preparation method of benzoic acid derivative |
| 04/03/2013 | CN103012125A Method for preparing anisic acid |
| 04/03/2013 | CN103012124A Preparation method of 3,6-dichloro-2-hydroxybenzoic acid |
| 04/03/2013 | CN103012123A Synthetic method for 3,6-dichloro-2-hydroxybenzoic acid |
| 04/03/2013 | CN103012122A Preparation method of 2-chloro-5-(trifluoromethyl) benzoic acid |
| 04/03/2013 | CN103012121A Method for synthesizing biphenyl 4,4'-dicarboxylic acid from p-chlorotoluene |
| 04/03/2013 | CN103012120A Method for preparing terephthalic acid by oxidation refining process |
| 04/03/2013 | CN103012119A Method for oxidizing benzyl methyl ether |
| 04/03/2013 | CN103012118A Lignans compounds and preparation method and application thereof |
| 04/03/2013 | CN103012117A Lignans reduction compounds and preparation method and application thereof |
| 04/03/2013 | CN103012116A Method for preparing 3-4-dihydroxyphenyl glycolic acid through glyoxylic acid condensation |
| 04/03/2013 | CN103012115A Production process of medicinal potassium citrate |
| 04/03/2013 | CN103012114A Method of synchronously preparing DL-tartaric acid and DL-potassium hydrogen tartrate |
| 04/03/2013 | CN103012113A Method for preparing acetopropionic acid by using cucurbiturils sulfate for catalyzing glucose to dehydrate |
| 04/03/2013 | CN103012112A Method for preparing lactic acid through hydrolysis of alpha-chloropropionic acid |
| 04/03/2013 | CN103012111A Preparation method 2,4,5-trifluorophenylacetic acid |
| 04/03/2013 | CN103012110A Production method of dimer acid |
| 04/03/2013 | CN103012109A Preparation method for metal oleate |
| 04/03/2013 | CN103012108A Method for removing water in acrylic acid aqueous solution |
| 04/03/2013 | CN103012107A Method for preparing succinic acid amine from fermentation liquor for preparing succinic acid |
| 04/03/2013 | CN103012106A Method for extracting succinic acid by applying membrane technology |
| 04/03/2013 | CN103012105A 2-propyl heptanoic acid preparation method |
| 04/03/2013 | CN103012104A Method for recycling butyric acid by treating butanol and octanol waste lye |
| 04/03/2013 | CN103012103A Method for preparing acetic acid through catalytic carbonylation reaction |
| 04/03/2013 | CN103012102A Method of recovering acetic acid and water in production of aromatic carboxylic acid |
| 04/03/2013 | CN103012101A Novel method for preparing symmetric aryl anhydride |
| 04/03/2013 | CN103012100A Myristic acid purification method |
| 04/03/2013 | CN103011458A Resourceful treatment system for high-concentration fumaric acid waste water |
| 04/03/2013 | CN103011176A Fly ash iron silicon glass body micro-bead fine development and utilization method |
| 04/03/2013 | CN103011161A Comprehensive utilization method of cyanamide waste residue |