| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/15/2014 | CN103508953A Salts of nuciferine derivatives |
| 01/15/2014 | CN103508952A Salts of N-nornuciferine derivatives |
| 01/15/2014 | CN103508951A Salts of 2-hydroxy-1-methoxyaporphine derivative |
| 01/15/2014 | CN103508883A Method for synthesizing roflumilast intermediate |
| 01/15/2014 | CN103508882A Preparation method for alkyl salicylic acid |
| 01/15/2014 | CN103508881A Alkyl salicylic acid synthesis method |
| 01/15/2014 | CN103508880A Method for synthesizing 3,5-dichlorobenzoyl chloride |
| 01/15/2014 | CN103508879A Synthesis method of halogenated alkoxyl acetic acid |
| 01/15/2014 | CN103508878A Method for preparing high-purity glycolic acid crystals from methyl glycolate |
| 01/15/2014 | CN103508877A Energy-saving method and device for four-effect concentration and crystallization of itaconic acid |
| 01/15/2014 | CN103508876A Method for separating and purifying EPA (eicosapentaenoic acid) through simulated moving bed |
| 01/15/2014 | CN103508875A 2,3,3,3-tetrafluoro propionic acid (I) synthesis method |
| 01/15/2014 | CN103508874A Method for preparing acetic acid by iridium-based compound catalytic carbonylation |
| 01/15/2014 | CN103508873A Method for preparing chiral alkynyl tertiary alcohol |
| 01/15/2014 | CN103508596A Treatment system and recycling method of ammonium adipate cleansing wastewater |
| 01/15/2014 | CN103506160A 3-pyridazinone iridium complex catalyst for methanol carbonylation synthesis of acetic acid as well as preparation method and application thereof |
| 01/15/2014 | CN103506159A Imidazole iridium complex catalyst for methanol carbonylation synthesis of acetic acid as well as preparation method and application thereof |
| 01/15/2014 | CN103506140A Catalyst for synthesis of lactic acid and derivatives thereof and synthetic method |
| 01/15/2014 | CN103506064A Zinc stearate reaction kettle |
| 01/15/2014 | CN103506052A Pelletizing system for potassium sorbate particles |
| 01/15/2014 | CN102909029B Preparing method of catalyst for producing crylic acid |
| 01/15/2014 | CN102701972B Octachlorostyrene hapten, artificial antigen and specific antibody |
| 01/15/2014 | CN102633622B Rodlike hydrous cupric oxalate serving as lithium ion battery cathode material and preparation method for same |
| 01/15/2014 | CN102381961B 3-phenyl glutaric acid compound, preparation method and purpose thereof |
| 01/15/2014 | CN101830793B Method for preparing hydroxyl-substituted phenylacetic acid compound |
| 01/15/2014 | CN101821225B Process for producing aromatic carboxylic acid |
| 01/14/2014 | US8629298 Acetic acid production process |
| 01/09/2014 | WO2014005975A1 Method for the production of 2-methylbutane |
| 01/09/2014 | WO2014005854A1 Method for the production of isononyl derivatives |
| 01/09/2014 | WO2014005846A1 Method for the production of terephthalic acid and the derivatives thereof |
| 01/09/2014 | WO2014005842A1 Method for the production of vinyl isononanoates |
| 01/09/2014 | US20140012043 Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor |
| 01/09/2014 | US20140012041 Method for producing lactate |
| 01/09/2014 | US20140012040 Pump Around Reactor for Production of Acetic Acid |
| 01/09/2014 | US20140012039 Functionalization of organic molecules using metal-organic frameworks (mofs) as catalysts |
| 01/09/2014 | US20140012033 Method for preparing difluoroacetonitrile and the derivatives thereof |
| 01/09/2014 | US20140012024 Method for the synthesis of dha |
| 01/09/2014 | US20140012000 Process for preparing a propiolic acid or a derivative thereof |
| 01/08/2014 | EP2682380A1 Method for producing alicyclic carboxylic acid and catalyst used in same |
| 01/08/2014 | EP2682379A1 Method for producing terephthalic acid |
| 01/08/2014 | EP2681184A1 Process for obtaining organic carboxylic acids from aqueous mixtures |
| 01/08/2014 | EP2681183A1 Acetic acid production process |
| 01/08/2014 | EP2681182A1 Production of carboxylic acid and salt co-products |
| 01/08/2014 | EP2680957A1 Method and device for mixing two fluid flows |
| 01/08/2014 | CN203379657U Filter pressing device for 2,4-D acid powder |
| 01/08/2014 | CN203379634U Pulsed sieve plate tower for acetic acid extraction device |
| 01/08/2014 | CN103502197A Method for producing alicyclic carboxylic acid and catalyst used in same |
| 01/08/2014 | CN103502196A Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants |
| 01/08/2014 | CN103502195A Removal of aromatics from carbonylation process |
| 01/08/2014 | CN103497225A Tartaric acid mikamycin for injection and preparations and preparation method thereof |
| 01/08/2014 | CN103497101A Preparation method and application of resin acid copper salt synthesized by aqueous phase process |
| 01/08/2014 | CN103497100A Double-stage purification method of long chain dicarboxylic acid aqueous phase |
| 01/08/2014 | CN103012122B Preparation method of 2-chloro-5-(trifluoromethyl) benzoic acid |
| 01/08/2014 | CN102617324B Crystal size controllable continuous crystallization process of sodium acetate trihydrate |
| 01/08/2014 | CN102441312B Recyclable ionic liquid type carbon dioxide absorbent and preparation method thereof |
| 01/08/2014 | CN102363595B Method for removing catalyst surface impurities in production of sodium gluconate |
| 01/08/2014 | CN102249893B Citric acid solution decolorizing method |
| 01/08/2014 | CN102093194B New method for synthesizing 3-cyclopropyl methoxy-4-(difluoromethoxy) benzoic acid |
| 01/08/2014 | CN102060704B Method for preparing methyl levulinate by utilizing plant straws |
| 01/08/2014 | CN102040476B Method for separating and purifying 1,3-propylene glycol from fermentation liquor |
| 01/08/2014 | CN101952237B Bromide-free TEMPO-mediated oxidation of the primary alcohol in carbohydrate under two-phase conditions |
| 01/08/2014 | CN101910100B An improved process for the production of alcohol from a carbonaceous feedstock |
| 01/08/2014 | CN101693655B Optimized liquid-phase oxidation |
| 01/08/2014 | CN101186603B Process for preparing tetramethyl glycolide |
| 01/07/2014 | US8624060 Process for preparing fluorocarboxylic acid |
| 01/07/2014 | US8624059 Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid |
| 01/07/2014 | US8624058 Process for transformation of lignocellulosic biomass or cellulose by tungsten-based solid lewis acids |
| 01/07/2014 | US8624055 Process and catalyst for oxidizing aromatic compounds |
| 01/07/2014 | US8624054 Carbonylation process for the production of methyl acetate |
| 01/07/2014 | US8624047 Solvent-less preparation of polyols by ozonolysis |
| 01/07/2014 | US8624043 Catalytic conversion of cellulose to liquid hydrocarbon fuels by progressive removal of oxygen to facilitate separation processes and achieve high selectivities |
| 01/07/2014 | CA2626102C Process for the preparation of acid chlorides |
| 01/03/2014 | WO2014004307A1 Process for the production of acetic acid |
| 01/03/2014 | WO2014002886A1 (meth)acrylic acid production method, and, hydrophilic resin production method |
| 01/03/2014 | WO2014001725A1 Method for synthesising biobased unsaturated acids |
| 01/03/2014 | WO2014001511A1 Preparation process of carboxylic acid derivatives and intermediates thereof |
| 01/03/2014 | WO2014001101A1 Method for producing unsaturated compounds |
| 01/03/2014 | WO2014000415A1 2,3,3,3-tetrafluoropropanoic acid (i) synthesis method |
| 01/03/2014 | WO2013088239A3 Processes for purification of succinic acid via distillation or sublimation |
| 01/03/2014 | CA2875942A1 Preparation process of carboxylic acid derivatives and intermediates thereof |
| 01/02/2014 | US20140005435 Method for producing (meth)acrylic anhydride, method for storing (meth)acrylic anhydride, and method for producing (meth)acrylate |
| 01/02/2014 | US20140005349 Polyisobutylenes and process for making same |
| 01/02/2014 | US20140000157 Catalytic process for converting carbon dioxide to a liquid fuel or platform chemical |
| 01/01/2014 | CN203370314U Adipic acid recovering crystallizer |
| 01/01/2014 | CN203370312U Crystal slurry tank for producing sodium gluconate |
| 01/01/2014 | CN103492357A Method for producing unsaturated compounds |
| 01/01/2014 | CN103492355A Process for the production of 4-chloroacetoacetyl chloride, 4-chloroacetoacetic acid esters, amides and imides |
| 01/01/2014 | CN103492070A Catalyst for producing acrylic acids and acrylates |
| 01/01/2014 | CN103484409A Algal control active substance palmitoleic acid derived from marine bacteria and preparation method thereof |
| 01/01/2014 | CN103484141A Method for preparing bio-oil through online deoxygenation and hydrogenation of biomass thermal cracking liquification |
| 01/01/2014 | CN103483385A Tenofovir disoproxil fumarate of new crystal form, and preparation method thereof |
| 01/01/2014 | CN103483286A Oxazolidine-2-phenyl imine derived from camphor and preparing method and application thereof |
| 01/01/2014 | CN103483188A Novel technology for synthesizing 3-(2-chlorine-4-trifluorine methyl phenoxy)benzene carbonic acid |
| 01/01/2014 | CN103483187A 4-oxethyl-2-hydroxyl-6-methyl benzoic acid as well as medicinal composition and application thereof |
| 01/01/2014 | CN103483186A Synthesis method for 4,4'-biphenyldicarboxylic acid |
| 01/01/2014 | CN103483185A Synthetic method of samarium-terephthalic acid binary nano complex |
| 01/01/2014 | CN103483184A Method for producing anhydrous citric acid crystals |
| 01/01/2014 | CN103483183A Method for recovering and preparing L(+)-2, 3-dihydrobutanedioic acid from L-methyldopa production wastewater |
| 01/01/2014 | CN103483182A Method for comprehensively utilizing procambarus clarkia by-products |
| 01/01/2014 | CN103483181A Calcium zinc gluconate compound |