Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
04/2014
04/17/2014US20140107375 Process for oxidizing impurities in crude terephthalic acid
04/17/2014US20140107306 Chemical intermediates by catalytic fast pyrolysis process
04/17/2014US20140105792 Process for continuous recovering (meth) acrylic acid and apparatus for the process
04/17/2014US20140102157 Method in which moisture content of processing object is reduced and/or oil-soluble substance in processing object is extracted in oil
04/16/2014EP2719678A1 Method for manufacturing polyoxyethylene alkyl ether acetic acid
04/16/2014EP2719677A1 Method for producing bicyclic compound via claisen rearrangement
04/16/2014EP2718452A1 Process for synthesizing bifunctional hydrocarbon-based compounds from biomass
04/16/2014EP2718340A1 Aliphatic polyester polyols from cyclohexane oxidation byproduct streams as precursors for polyurethane and polyisocyanurate polymers
04/16/2014EP2718256A1 Process for preparing formic acid
04/16/2014CN203545914U Crylic acid polymerization-preventing system
04/16/2014CN203540090U Itaconic acid energy-saving-type four-effect concentrating and crystallizing device
04/16/2014CN103732754A Process for synthesizing bifunctional hydrocarbon-based compounds from biomass
04/16/2014CN103732644A Aliphatic polyester polyols from cyclohexane oxidation byproduct streams as precursors for polyurethane and polyisocyanurate polymers
04/16/2014CN103732569A Use of hydrolases to increase monomer content in waste stream
04/16/2014CN103724360A Pyridine (or benzene) thiazole compound shown and intermediate, preparation method and application thereof
04/16/2014CN103724294A Novel preparation method of quetiapine
04/16/2014CN103724266A Demethylivabradine salt as well as preparation method and application thereof
04/16/2014CN103724209A Preparation method of long-carbon-chain semi-aromatic nylon salt
04/16/2014CN103724189A Method for preparing monophenol compound by liquefying and degrading lignin through microwave concerted catalysis
04/16/2014CN103724188A Method for preparing paraphthaloyl chloride
04/16/2014CN103724187A Preparation method for sodium benzoate
04/16/2014CN103724186A Method for separating and purifying kaurane diterpenes
04/16/2014CN103724185A Anacardol ether acid and preparation method thereof
04/16/2014CN103724183A Method of industrial production of lactic acid by employing molecular distillation technology
04/16/2014CN103724182A Preparation method for potassium sorbate
04/16/2014CN103724181A Treatment method of raffinate generated in production of acraldehyde
04/16/2014CN103724180A Method for preparing odd-carbon fatty acid metallic soap and odd-carbon fatty acid thereof
04/16/2014CN103724179A Method for preparing acetic acid
04/16/2014CN103724178A Preparation method of alpha-chloro fatty acid
04/16/2014CN103721756A Catalyst carrier, preparation method thereof, and composite oxide catalyst
04/16/2014CN103721751A Catalyst used for preparing acetate by carbonylation
04/16/2014CN103721727A Mo-V-Te-Nb-Cr composite metal oxide catalyst and preparation method thereof
04/16/2014CN103721722A Composite oxide catalyst and preparation method thereof
04/16/2014CN102786407B Method of preparing (2R)-2-propyl caprylic acid
04/16/2014CN102731289B Thickening process of coarse adipic acid
04/16/2014CN102728118B Industrial production method for removing active carbon in adipic acid solution
04/16/2014CN102659567B Method for continuously removing anions from citric acid-containing solution
04/16/2014CN102643188B Method for preparing 5-bromovalerate
04/16/2014CN102617327B Dexibuprofen compound and preparation method thereof
04/16/2014CN102614769B Method for converting carbon dioxide in smoke into formic acid under normal pressure
04/16/2014CN102580781B Amorphous alloy catalyst and preparation method and application thereof
04/16/2014CN102516062B Hydrolysis outer circulation heat exchange process and device for friedel-crafts reaction liquid for synthesis of ibuprofen
04/16/2014CN102516060B Preparation method of m-phthaloyl chloride
04/16/2014CN102229528B Method for extracting unsaturated fatty acid composition from humen amniotic epithelial cells, and application thereof
04/16/2014CN102203040B Methacrylic acid manufacturing method and catalyst for methacrylic acid manufacture
04/16/2014CN102137833B Use of foam bodies in oxidation reactors for preparing unsaturated aldehydes or carboxylic acids
04/16/2014CN102093199B Method for reclaiming cobalt acetate in reaction waste residue
04/16/2014CN101792376B Fluorescent conjugated compound, preparation method and application thereof
04/16/2014CN101790508B High shear system and process for the production of acetic anhydride
04/16/2014CN101385907B Process for operating a continuous removal of a target product X in the form of fine crystals of the target product X
04/16/2014CN101385906B Process for operating a continuous removal of a target product X in the form of fine crystals of the target product X
04/15/2014US8697909 Preparation of α,β-ethylenically unsaturated carboxylic salts by catalytic carboxylation of alkenes
04/15/2014US8697908 Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants
04/15/2014US8697907 Process for the production of acetic acid
04/15/2014US8697906 Methods and apparatus for producing a low-moisture carboxylic acid wet cake
04/15/2014US8697905 Process for producing terephthalic acid
04/15/2014US8697194 Curable overcoat compositions
04/15/2014CA2578267C Methods for making retinoids and uses thereof
04/10/2014WO2014054955A1 A method for preparing microporous mof materials
04/10/2014WO2014053818A1 A process for production of a silica-supported alkali metal catalyst
04/10/2014WO2014053618A1 Method for producing cyclohexanecarboxylic acid derivatives with a low proportion of by-products
04/10/2014WO2014053351A1 Method for producing precious metal oxalate complexes
04/10/2014WO2014053312A1 Method for processing fluoric acid
04/10/2014WO2013025105A8 Recovery of carboxylic acid from their magnesium salts by precipitation using hydrochloric acid, useful for fermentation broth work-up
04/10/2014US20140100388 Formic acid producing apparatus and method for producing formic acid using the same
04/10/2014US20140100387 Process for preparing cyclohexanepolycarboxylic acid derivatives having a low proportion of by-products
04/10/2014US20140100386 Process for producing terephthalic acid
04/10/2014US20140100376 Process for the electrochemical preparation of gamma-hydroxycarboxylic esters and gamma-lactones
04/09/2014EP2716623A1 Method for the preparation of cyclohexane polycarboxylic acid derivatives with low proportion of by-product
04/09/2014EP2714641A1 Aqueous solution comprising acrylic acid and the conjugate base thereof
04/09/2014EP2714640A1 Process for preparing methacrylic acid
04/09/2014EP2714639A1 Hydro-fluorocompounds
04/09/2014CN203525676U Gas-liquid double-cycle reaction device for preparing glyoxylic acid by using oxygen oxidation method
04/09/2014CN103717568A Process for preparing a diamine/dicarboxylic acid salt
04/09/2014CN103717567A Fluorination of acrylate esters and derivatives
04/09/2014CN103717565A Method for the production of 2-ethylheptanoic acid
04/09/2014CN103709218A Extraction method for increasing tylosin A component
04/09/2014CN103709091A Method for extracting L-tryptophan
04/09/2014CN103709030A Environmentally-friendly preparation method of ciprofibrate
04/09/2014CN103709029A Process for extracting and purifying ferulic acid from angelica cartilaginomarginata Nakai
04/09/2014CN103709028A Distillation recovery method of chloroacetic acid mother liquor
04/09/2014CN103709027A Recovery method for aliphatic acid metal salt waste liquid
04/09/2014CN103709026A Method for preparing calcium propionate
04/09/2014CN103709025A Preparation method for 2,2-dimethylol alkanoic acid
04/09/2014CN103706382A Aluminium chloride catalyst with high load capacity, preparation method and applications thereof
04/09/2014CN102626621B Hydrogenation catalyst using cellular titanium dioxide as carrier and preparation method thereof
04/09/2014CN102516068B Method for splitting ketoprofen enantiomer by temperature gradient simulated moving bed chromatogram
04/09/2014CN102329222B Method for oxidizing cyclohexane to prepare hexane diacid through one-step method and catalyst used by same
04/09/2014CN102329211B C12-C13 long-chain binary acid refining method
04/09/2014CN102177127B Process and apparatus for recovery of acetic acid from feed stream containing corresponding ester
04/03/2014WO2014051971A1 Process for producing mma and/or maa from acetone cyanohydrin and sulfuric acid
04/03/2014WO2014049793A1 Operation method for pressurized single-chamber rotary filtration device
04/03/2014WO2014049791A1 Pressurized multi-chamber rotary filtration device and method for operating same
04/03/2014WO2012039973A9 Pump around reactor for production of acetic acid
04/03/2014US20140094618 Catalytic conversion of cellulose to liquid hydrocarbon fuels by progressive removal of oxygen to facilitate separation processes and achieve high selectivities
04/03/2014US20140094613 Process for producing 3-alkoxy-2-amino-6-fluorobicyclo [3.1.0] hexane-2,6-dicarboxylic acid derivative and intermediate thereof
04/02/2014CN203508024U Gas flow circulating reaction device for preparing glyoxylic acid by oxygen oxidation
04/02/2014CN203508023U Production device adopting gas-liquid mixing tubular cooling reaction for preparing glyoxylic acid
04/02/2014CN203508020U Zinc stearate reaction kettle
04/02/2014CN203508015U Stearate reaction kettle
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