Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
05/2014
05/06/2014US8716525 Process for continuous recovering (meth) acrylic acid and apparatus for the process
05/06/2014US8716523 Catalyst for use in production of methacrylic acid and method for manufacturing the same
05/06/2014US8716522 Acetic acid production from biomass pyrolysis
05/06/2014CA2587359C Process for the production of carbonylation products
05/06/2014CA2307163C Process for stereoselective synthesis of prostacyclin derivatives
05/01/2014WO2014065657A1 Process for the preparation of benzene derivatives from furan derivatives
05/01/2014WO2014064418A2 Process
05/01/2014US20140121411 Process for separating monochloroacetic acid and dichloroacetic acid via extractive distillation
05/01/2014US20140121410 Processes for Regenerating Catalyst for Producing Acrylic Acids and Acrylates
05/01/2014US20140121409 Processes for the Production of Acrylic Acids and Acrylates Using Multiple Reactors
05/01/2014US20140121408 Oxidative catalytic process for the synthesis of lactic acid
05/01/2014US20140121406 Pure plant mother liquor solvent extraction system and method
05/01/2014US20140121403 Integrated Process for the Production of Acrylic Acids and Acrylates
04/2014
04/30/2014EP2725006A1 Process for producing (meth)acrylic acid
04/30/2014EP2723708A2 Fluorination of acrylate esters and derivatives
04/30/2014EP2723705A1 Process for separating monochloroacetic acid and dichloroacetic acid via extractive distillation
04/30/2014EP2723704A2 Method for the production of 2-ethylheptanoic acid
04/30/2014CN203565058U Hydrolysis reactor
04/30/2014CN103764281A Catalysts for the conversion of hydroxypropionic acid or its derivatives to acrylic acid or its derivatives
04/30/2014CN103764278A Catalyst for synthesis of C2 oxygenate, apparatus for producing C2 oxygenate, and method for producing C2 oxygenate
04/30/2014CN103755732A O-phenyl chalcone compound as well as preparation method and application thereof
04/30/2014CN103755624A Synthetic method of piperidine derivative
04/30/2014CN103755609A Novel crystal form of valnemulin hydrogen tartrate and preparation method thereof
04/30/2014CN103755556A Chemical synthesis method for 3,5-diiodosalicylic acid
04/30/2014CN103755555A Apparatus for producing purified terephthalic acid by using alkali-minimization wastewater residue
04/30/2014CN103755554A Novel method for asymmetric catalytic synthesis of (S)-fenoprofen
04/30/2014CN103755553A Novel asymmetric catalytic synthesis method of (S)-naproxen
04/30/2014CN103755552A Preparation method of nano calcium citrate
04/30/2014CN103755551A 5-oxo-octadecanoic acid synthesis method
04/30/2014CN103755550A Synthetic method for dihydroartemisinin
04/30/2014CN103755549A Process for transporting in the tank of a tank truck or tanker ship a liquid monomer phase withdrawn from a storage vessel
04/30/2014CN103755548A Method for hydrothermally converting CO2 into formic acid by hydrazine hydrate
04/30/2014CN103755547A Novel method for extracting fatty acid in natural products by utilizing column chromatography on silica gel
04/30/2014CN103755546A Preparation method of sodium diacetate for blood dialysis
04/30/2014CN103755545A Preparation method of glutaric acid
04/30/2014CN103755544A Method for producing KA oil and adipic acid through oxidizing cyclohexane with air on basis of gas-liquid-solid heterogeneous reaction separation synchronization reactor
04/30/2014CN103755543A Method for producing adipic acid by oxidizing cyclohexane by utilizing air based on gas-liquid-solid multiphase reaction and separation synchronization reactor
04/30/2014CN103755541A Chalcone derivative as well as preparation method and application thereof
04/30/2014CN103755520A Method for producing substituted benzyl alcohol, substituted benzaldehyde and substituted benzyl acid through oxidizing substituted methylbenzene with air based on gas-liquid-solid heterogeneous reaction separation synchronization reactor
04/30/2014CN103755081A Method for reclaiming and recycling terephthalic acid and alkali by alkali peeling wastewater
04/30/2014CN103752339A Aluminum-doped mesoporous molecular sieve loaded phosphotungstic heteropoly acid catalyst, preparation thereof and application thereof to benzoic acid synthesis
04/30/2014CN103752169A Metal-organic frame material Cu-BTC for removing nitric oxide with selective catalytic reduction method
04/30/2014CN103043843B Device and method for extracting sodium acetate from tower bottom wastewater of primary tower in furfural production
04/30/2014CN102718645B Microwave synthesis method of cinnamic acid derivative
04/30/2014CN102690184B Method for synthesizing alpha-hydroxycarboxylic acid metallic soap by hydrolysis of alpha-halogenated carboxylic acid
04/30/2014CN102627555B Preparation method of p-anisoyl chloride
04/30/2014CN102625794B Liquid lactic acid composition and method for preparation thereof
04/30/2014CN102476989B Succinic acid separating apparatus and method based on full membrane separation system
04/30/2014CN102476975B Method for catalytic oxidation of cycloketone in the presence of magnesium and aluminum modified titanosilicate molecular sieve
04/30/2014CN102452924B Method for separating acetic acid from water by acetic acid dehydration tower
04/30/2014CN102417447B Production method of undecylenic acid
04/30/2014CN102417446B Production method for zinc undecylenate
04/30/2014CN102336653B Preparation method of optically pure chiral 2-chloromandelic acid
04/30/2014CN102001938B Process and production system for synthesizing dimethyl oxalate or diethyl oxalate and coproducing oxalic acid
04/29/2014US8710262 Method for producing (meth)acrylic anhydride, method for storing (meth)acrylic anhydride, and method for producing (meth)acrylate
04/29/2014US8710260 Process for preparing substituted aromatic carboxylic acids
04/29/2014US8710107 System and method for converting biomass to ethanol via syngas
04/29/2014US8709376 Process for recovering and recycling an acid catalyst
04/24/2014US20140113811 Nanostructured carbon materials for adsorption of methane and other gases
04/23/2014EP2720997A1 Use of hydrolases to increase monomer content in waste stream
04/23/2014EP2720992A1 Co-production of biofuels and glycols
04/23/2014EP2720991A1 Co-production of biofuels and glycols
04/23/2014CN103740773A Method for producing organic acid by using soya residues as raw materials
04/23/2014CN103739579A Citric acid dehydrogenated calcium ascorbate and preparation method and application thereof
04/23/2014CN103739578A Zinc ascorbate hydrogen citrate, as well as preparation method and application thereof
04/23/2014CN103739527A Preparation method of florfenicol sodium succinate
04/23/2014CN103739504A Synthesis method of metaraminol bitartrate
04/23/2014CN103739484A Preparation method of 1,4-naphthalenedicarboxylic acid
04/23/2014CN103739483A Method for preparing trans-(1R, 2R)-2-(3, 4-difluoro phenyl)-1-cyclopropane formic acid
04/23/2014CN103739482A Acyl phenoxyacetic acid compounds and preparation methods thereof
04/23/2014CN103739481A Method for splitting naproxen employing chiral stationary phase
04/23/2014CN103739480A Method for recovering and preparing calcium citrate from calcium-containing process water for producing chitin
04/23/2014CN103739479A Method for preparing sodium gluconate through catalytic oxidation of glucose by using gold catalyst
04/23/2014CN103739478A Production method of sodium gluconate
04/23/2014CN103739477A Dihydroarteannuic acid synthesis process
04/23/2014CN103739476A Dihydroarteannuic acid preparation method
04/23/2014CN103739475A Method for preparing battery grade anhydrous lithium acetate
04/23/2014CN103739474A Method for preparing acetic acid through hydrothermal oxidation of microalgae by using oxidation state metal compound
04/23/2014CN103739473A Continuous distillation process for aromatic acyl chloride
04/23/2014CN103738987A Method for preparing magnesium carbonate from chromium slags without calcium
04/23/2014CN103736498A Propylene oxidation catalyst, preparation method thereof and applications thereof
04/23/2014CN103333064B Loxoprofen sodium compound and pharmaceutical composition thereof
04/23/2014CN102807488B Hapten and antigen universally used for ether pyrethroid pesticide, and synthesis method and application of hapten and antigen
04/23/2014CN102701941B Acetone removal device of acetic acid recovery system and removal process of acetone removal device
04/23/2014CN102690236B Four types of sulfuric acid nepresol organic drug eutectics and preparation method thereof
04/23/2014CN102603510B Sodium valproate crystal form as well as preparation method and application thereof
04/23/2014CN102408329B Preparation method of 2,4-dihydroxy benzoic acid
04/23/2014CN102351683B Production process of zinc acrylate
04/23/2014CN102219671B Method for selective hydrogenation of aromatic aldehydes for refining terephthalic acid
04/23/2014CN102089269B Method for separating a carboxylic acid in salified form bearing at least one halogen atom.
04/23/2014CN102040505B Method for preparing unsaturated acid by oxidation of unsaturated aldehyde
04/22/2014US8704000 Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in product (meth)acrylic acid
04/22/2014US8703999 Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
04/22/2014US8703451 Method for the production of free carboxylic acids
04/22/2014US8703111 Thermoplastic paste for repairing living tissues
04/22/2014CA2576469C Method for producing aminothiazole derivative and production intermediate
04/17/2014WO2014058943A1 Process for oxidizing impurities in crude terephthalic acid
04/17/2014WO2014057992A1 Method for producing multisubstituted biphenyl compound and solid catalyst to be used therein
04/17/2014WO2014057871A1 Glycidyl ether compound, liquid crystal sealant, and method for producing glycidyl ether compound
04/17/2014WO2014056005A1 Method for producing lactic acid
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