| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/26/2013 | CN102417162B Recycling method of hydrochloric acid-acetic acid waste liquid |
| 06/26/2013 | CN102206159B Preparation method and synthesizing method of alpha-phenylethylamine acetate |
| 06/26/2013 | CN102190578B Method for preparing hypophosphorous acid (salt) and gluconic acid (salt) from glucose phosphate serving as raw material |
| 06/26/2013 | CN102070437B Method for polymerizing unsaturated fatty acid in presence of water |
| 06/26/2013 | CN101973867B Method for preparing 3,3,3-trifluoropropionic acid |
| 06/26/2013 | CN101735039B Crystal form II of sofalcone and preparation method and application thereof |
| 06/26/2013 | CN101735035B Method for preparing dimer acid and dimer acid methyl ester |
| 06/26/2013 | CN101704742B Reactor for producing aromatic carboxylic acid |
| 06/26/2013 | CN101628869B Method for preparing cobalt octoate by using LiCoO, anode material of waste lithium battery |
| 06/25/2013 | US8471062 Method of purifying lactic acid by crystallization |
| 06/25/2013 | US8471060 Process and reactor for the thermoneutral conversion of ethanol to acetic acid |
| 06/25/2013 | US8471058 Carbonylation process using bound silver and/or copper mordenite catalysts |
| 06/25/2013 | CA2601941C Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| 06/20/2013 | WO2013090720A1 Production of acetic acid with enhanced catalyst stability |
| 06/20/2013 | WO2013090547A1 Malonic acid di-salts and a method for preparing malonyl dihalides |
| 06/20/2013 | WO2013090239A1 Processes for the production of acrylic acids and acrylates |
| 06/20/2013 | WO2013090238A1 Processes for producing acrylic acids and acrylates |
| 06/20/2013 | WO2013090161A1 Stereoselective synthesis of tapentadol and its salts |
| 06/20/2013 | WO2013090078A1 Dehydroxylation of polyhydroxy carboxylic acids to aliphatic polycarboxylic acids using a halogen-based catalyst |
| 06/20/2013 | WO2013090041A1 Solute-enhanced production of gamma-valerolactone (gvl) from aqueous solutions levulinic acid |
| 06/20/2013 | WO2013090032A1 Process for the separation of mono-and di-carboxylic acid compounds |
| 06/20/2013 | WO2013090031A2 Water concentration reduction process |
| 06/20/2013 | WO2013088239A2 Processes for purification of succinic acid via distillation |
| 06/20/2013 | US20130158295 Processes For The Production of Acrylic Acids and Acrylates |
| 06/20/2013 | US20130158286 Process to produce alkenoic acid esters from lactones |
| 06/20/2013 | US20130158283 Process for the Preparation of Oxidized Phospholipids |
| 06/20/2013 | US20130158255 Water concentration reduction process |
| 06/20/2013 | US20130153855 Chemical Oxidation of Graphene and Carbon Nanotubes Using Cerium (IV) Ammonium Nitrate |
| 06/20/2013 | CA2857333A1 Malonic acid di-salts and a method for preparing malonyl dihalides |
| 06/19/2013 | CN203002011U Crystallizing tank |
| 06/19/2013 | CN103168022A Process for preparing a propiolic acid or a derivative thereof |
| 06/19/2013 | CN103168021A Terephthalic acid purge filtration rate by controlling % water in filter feed slurry |
| 06/19/2013 | CN103168020A Terephthalic acid purge filtration rate by controlling % water in filter feed slurry |
| 06/19/2013 | CN103160296A Pyrolysis gasification coupling integrated poly-generation system and process for coal chemical industry |
| 06/19/2013 | CN103159876A Preparation method of macromolecule solid acid catalyst based on chlorine ball modification |
| 06/19/2013 | CN103159621A Stilbene active component, preparation method and application thereof |
| 06/19/2013 | CN103159620A Preparation method of 2-hydroxyisophthalic acid |
| 06/19/2013 | CN103159619A Industrialization production technology for extracting ginkgolic acid and bilobalide from Ginkgo testa |
| 06/19/2013 | CN103159616A Decoloration method and purification method for solution containing critic acid |
| 06/19/2013 | CN103159615A Ammonium citrate synthesizing method |
| 06/19/2013 | CN103159614A Method for preparing 3-fluoropropionic acid |
| 06/19/2013 | CN103159613A Recovery device and recovery method using same |
| 06/19/2013 | CN103159612A Industrialization production technology for extracting ginkgolic acid from Ginkgo testa |
| 06/19/2013 | CN103159611A Preparation method of flame retardant type separant |
| 06/19/2013 | CN103159610A Method for synthesizing phenoxy carboxylate herbicide original medicine |
| 06/19/2013 | CN103159609A Process for hydrogenation of polycarboxylic acids or derivatives therof |
| 06/19/2013 | CN103159597A Comprehensive exploration and utilization of active ingredients in branches and leaves of weeping willows |
| 06/19/2013 | CN103159595A Method for preparing phenolic compound by liquefaction of salix mongolica |
| 06/19/2013 | CN103157484A Catalyst and preparation method thereof |
| 06/19/2013 | CN103157464A Preparation method for palladium-on-carbon catalyst used for purifying terephthalic acid |
| 06/19/2013 | CN102372626B Preparation method of phthalic acid |
| 06/19/2013 | CN102329223B Method for preparing adipic acid through one-step oxidation of cyclohexane and catalyst used in method |
| 06/19/2013 | CN102267891B Novel triterpenoid compound and preparation method thereof |
| 06/19/2013 | CN102050723B Method for producing sodium lactate |
| 06/19/2013 | CN102041279B Biomembrane-electrodialysis coupling continuous production technology of L-lactic acid |
| 06/19/2013 | CN102040509B Method for preparing citric acid |
| 06/19/2013 | CN101835734B Method for preparing optionally substituted p-hydroxymandelic compounds and derivatives thereof |
| 06/19/2013 | CN101774872B Preparation method of methyl chloride compounds and special device thereof |
| 06/19/2013 | CN101687753B Method for the production of ketoacids and their derivatives |
| 06/19/2013 | CN101652181B Selective oxidation of alkanes and/or alkenes to valuable oxygenates |
| 06/19/2013 | CN101462949B Method for preparing primary standard reagent potassium hydrogen phthalate |
| 06/19/2013 | CN101415668B Methods for producing carboxylic acid chloride compounds |
| 06/19/2013 | CN101407456B Effective ingredient having beta-secretase inhibition effect in Homalonema occulta |
| 06/19/2013 | CN101277920B Process for producing glycolic acid |
| 06/19/2013 | CN101219947B Method for gas-phase catalytic oxidation using a fixed bed reactor |
| 06/18/2013 | US8466312 Terephthalic acid purge filtration rate by controlling % water in filter feed slurry |
| 06/18/2013 | US8466285 Use of grinding in chemical synthesis |
| 06/18/2013 | CA2533711C Preparation of metal salts of medium-chain fatty acids |
| 06/13/2013 | WO2013084826A1 Metal complex, and adsorbent material, storage material and separator material each comprising same |
| 06/13/2013 | WO2013084258A1 Catalyst for the manufacturing of acrylic acid and a process for producing acrylic acid by using the catalyst |
| 06/13/2013 | WO2013084237A1 Deuterated tetramethyl dioic acids, compositions comprising them and uses thereof |
| 06/13/2013 | WO2013083236A1 Process for recovering aliphatic monocarboxylic acids from distillation residues |
| 06/13/2013 | WO2013083229A1 Method for purifying carboxylic acids from fermentation broths |
| 06/13/2013 | WO2013083015A1 Process for synthesizing pentafluoropropionyl fluoride |
| 06/13/2013 | US20130150621 Processes for purification of succinic acid via distillation |
| 06/13/2013 | US20130150616 Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
| 06/13/2013 | US20130150602 Process for preparing and purifying fatty acids |
| 06/13/2013 | US20130150289 Crystalline Peptide Epoxy Ketone Protease Inhibitors and the Synthesis of Amino Acid Keto-Epoxides |
| 06/13/2013 | DE102011120587A1 Verfahren zur Gewinnung von aliphatischen Monocarbonsäuren aus Destillationsrückständen A process for recovering aliphatic monocarboxylic acids from distillation residues |
| 06/12/2013 | EP2602240A1 A process for extraction of aromatic dicarboxylic acids |
| 06/12/2013 | EP2601331A2 Method and device for carboxylic acid production |
| 06/12/2013 | EP2601169A1 Process for preparing difluoroacetic acid, salts thereof or esters thereof |
| 06/12/2013 | CN202983658U Sorbic acid polyester continuous bubble tower absorption reaction device |
| 06/12/2013 | CN202983259U Automatic discharge device for rectifying dimer acid |
| 06/12/2013 | CN103153938A Acrylate production process and acrylic acid recovery method |
| 06/12/2013 | CN103153937A Method for preparing a complex of an acid and a metal |
| 06/12/2013 | CN103153936A Improved synthesis of peretinoin |
| 06/12/2013 | CN103153935A Process for producing a lactic acid-amine complex |
| 06/12/2013 | CN103153934A Production of acetic acid with an increased production rate |
| 06/12/2013 | CN103153933A Process for recovering halogen promoters and removing permanganate reducing compounds |
| 06/12/2013 | CN103153932A Process for recovering halogen promoters and removing permanganate reducing compounds |
| 06/12/2013 | CN103153931A Processes for producing monoammonium adipate from fermentation broths containing diammonium adipate, monoammonium adipate and/or adipic acid, and conversion of monoammonium adipate to adipic acid |
| 06/12/2013 | CN103151561A Electrolytic lithium salt and preparation method and applications of electrolyte solution containing lithium salt |
| 06/12/2013 | CN103147080A Corrosion inhibitor |
| 06/12/2013 | CN103146769A Method for preparating citric acid by fermentation |
| 06/12/2013 | CN103145550A Method of extracting shikimic acid from star anise |
| 06/12/2013 | CN103145549A Method for synthesizing 2,4-dichlorphenoxyacetic acid |
| 06/12/2013 | CN103145548A Method for rapidly separating and purifying tanshinol in salvia miltiorrhiza medicinal materials |
| 06/12/2013 | CN103145547A Citric acid crystal and production method thereof |
| 06/12/2013 | CN103145546A Citric acid crystal and production method thereof |