Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/2012
07/04/2012CN102531884A Method for preparing 4-ethoxy phenylacetic acid
07/04/2012CN102531883A Method for continuously producing glycolic acid
07/04/2012CN102531882A Method for preparing difluoromaleic acid aniline salt
07/04/2012CN102531881A Separating and purifying method for roburic acid monomer
07/04/2012CN102531880A Preparation method of spherical nickel oxalate
07/04/2012CN102531879A Method for preparing 11-bromo-undecanoic acid by direct freezing crystallization and device therefor
07/04/2012CN102531877A Method for synthesizing glycollic acid by using glyoxal
07/04/2012CN102531876A Preparation method for dodecane salicylic acid mixed rare earth compound
07/04/2012CN102531857A Process for making neo-enriched p-menthane compounds
07/04/2012CN102531814A Preparation method for trans-cinnamic acid compound in water insoluble ionic liquid [bmim] PF6
07/04/2012CN102530947A Application of serpentine to producing compounds
07/04/2012CN102530858A Method for preparing hydrogen by alcohol
07/04/2012CN102527523A Non-ferrous metal oxide ore chelate collector and preparation method thereof
07/04/2012CN102527441A Method for Co-Mn catalyst reactivation
07/04/2012CN102527292A Coupling link-free carboxylate Genmini surfactant and synthesis method thereof
07/04/2012CN102115407B Method for producing co-product of pentaerythritol as well as potassium formate and sodium sulfate
07/04/2012CN102092906B Treatment and resource-utilizing technology of tert-butyl peroxy benzoate production wastewater
07/04/2012CN102092904B Treatment and resource-utilizing technology of dibenzoyl peroxide production wastewater
07/04/2012CN102092779B Method for producing high-purity zinc sulfide and co-producing acetic acid and sodium chloride by using sodium hydrosulfite filter residues
07/04/2012CN102030630B Method for producing industrial grade sodium gluconate or calcium gluconate from yellow ginger starch
07/04/2012CN101935271B Continuous recovery and separation method of light-component wastes in acetic acid production
07/04/2012CN101805255B New manufacturing method of dicarboxylic acid for electrolyte and salts thereof
07/04/2012CN101654412B Method for preparing 2,7-dicarboxylic-3,6-diacid naphthalinum 3,6-naphthalenedicarboxylate
07/04/2012CN101646696B Novel fluorine-containing compound, fluorine-containing polymer, and method for producing the compound
07/04/2012CN101638360B Method for preparing cyclohexylpropionic acid
07/04/2012CN101613269B Method for preparing phenylformic acid through liquid phase oxidation of methylbenzene
07/04/2012CN101602663B Method for synthesizing (E)-2-hexenoic acid
07/04/2012CN101591239B Method for preparing fumaropimaric acid
07/04/2012CN101531589B Gallic acid bismuth zirconium double metal salt, preparation method and application thereof
07/04/2012CN101516490B Liquid-gas phase reactor system
07/04/2012CN101481304B Process for preparing aminic acid by methyl formate hydrolysis
07/04/2012CN101468950B Novel compound separated from immature exocarp of Juglans mandshurica Maxim, and preparation and use thereof
07/04/2012CN101402565B Halogenated 2-(a-hydroxyl pentyl) benzoate, production method and uses thereof
07/04/2012CN101248034B Method for producing organometallic framework materials containing main group metal ions
07/04/2012CN101146758B Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof
07/04/2012CN101040029B Propylene hydroformylation
07/03/2012US8212070 Method for preparing acrylic acid from glycerol
07/03/2012US8212061 Preparation of organic acid salts of cationic surfactants
07/03/2012US8211486 Process for the hydrogenation of unsaturated triglycerides
07/03/2012CA2670212C Method for converting nitrile compounds into corresponding carboxylic acids and esters
06/2012
06/30/2012CA2726599A1 Process for treprostinil salt preparation
06/28/2012WO2012086409A1 Mixture of regioisomers of dehydroabietic acid derivatives, and process for production thereof
06/28/2012WO2012086386A1 Acetic acid production method
06/28/2012WO2012085361A1 Process for converting cellulose or lignocellulosic biomass using stable non-zeolite solid lewis acids based on tin or antimony alone or as a mixture
06/28/2012WO2012084691A1 Method for producing formic acid by reacting carbon dioxide with hydrogen
06/28/2012WO2012040503A3 Method and apparatus for the electrochemical reduction of carbon dioxide
06/28/2012US20120165568 Liquid lactic acid composition and method for preparation thereof
06/28/2012US20120165567 One pot multicomponent synthesis of some novel hydroxy stilbene derivatives with alpha, beta-carbonyl conjugation under microwave irradiation
06/28/2012CA2821642A1 Method for producing formic acid by reacting carbon dioxide with hydrogen
06/27/2012EP2467355A2 Method for producing 4-pentenoic acid
06/27/2012EP2066613B1 Process for producing acrylic acid
06/27/2012EP1349826B1 Continuous method for the production and purification of (meth)acrylic acid
06/27/2012CN1812958B Method for the continuous production of a compound that carries at least two functional groups
06/27/2012CN102517350A Preparation method of squalene synthetase inhibitor CJ-13982
06/27/2012CN102517346A Method for preparing L-lactic acid and/or L-lactate
06/27/2012CN102516968A Polyacrylamide oil-soluble crosslinking agent
06/27/2012CN102516597A Special metal salt monomer for vegetable oil based liquid heat stabilizer and preparation method thereof
06/27/2012CN102516098A Preparation method of tolterodine tartrate
06/27/2012CN102516092A Dicarboxylic hydrogen salt ionic liquid with asymmetric chemical structure and weak acidity, and preparation method thereof
06/27/2012CN102516072A Preparation method of benzoic acid herbicide dicamba
06/27/2012CN102516071A Chiral gossypol acid with activity on resistance to avian influenza virus and preparation method for same
06/27/2012CN102516070A Method for preparing 2,2-bi(4-carboxylphenyl)hexafluoropropane under novel catalytic system
06/27/2012CN102516069A Tricarboxylic acid rare earth complex as well as preparation method and application thereof
06/27/2012CN102516068A Method for splitting ketoprofen enantiomer by temperature gradient simulated moving bed chromatogram
06/27/2012CN102516067A Method for synthesizing seratrodast intermedia 6-benzoyl hexanoic acid
06/27/2012CN102516066A Ostopanic acid, ostopanic acid analogues and their preparation method and use
06/27/2012CN102516065A Treatment method of solution containing citric acid
06/27/2012CN102516064A Preparation method of nonionic-anionic compound type surfactant and application thereof
06/27/2012CN102516063A Method for extracting D-lactic acid from fermentation liquid
06/27/2012CN102516062A Hydrolysis outer circulation heat exchange process and device for friedel-crafts reaction liquid for synthesis of ibuprofen
06/27/2012CN102516061A Processing method and processing device of crylic acid and ester heavy components
06/27/2012CN102516060A Preparation method of m-phthaloyl chloride
06/27/2012CN102516059A Method for producing sodium formate by using coal gas
06/27/2012CN102516058A Device for synthesizing 5-chlorovaleryl chloride
06/27/2012CN102516057A Method for extracting organic acid from yellow water
06/27/2012CN102516056A Method for reproduction of fatty acid with molecular distillation distillate of unsaturated fatty acid
06/27/2012CN102516002A Preparation technology of optically pure alpha-hydroxy acid and derivatives of the optically pure alpha-hydroxy acid
06/27/2012CN102515994A Catalytic hydrogenation reduction method of unsaturated compound
06/27/2012CN102515387A Method for treating organic wastewater
06/27/2012CN102513148A Catalyst for co-producing benzaldehyde and acyl chloride by benzal chloride alcoholysis reaction and its technology
06/27/2012CN102513137A Catalyst used in preparation of acrylic acid and/or acrylic acid ester from lactic acid or lactate through dehydration
06/27/2012CN101921289B Method for producing methyltriacetoxysilane
06/27/2012CN101797523B Method of iodide removal
06/27/2012CN101767004B Preparation method of crude terephthalic acid hydrogenation catalyst
06/27/2012CN101709323B Method for producing R-mandelic acid with biocatalysis and separating and coupling method
06/27/2012CN101659606B Method for producing calcium formate by using industrial waste liquid
06/27/2012CN101637729B Palladium-containing catalyst, method for producing same, and method for producing alpha, beta-unsaturated carboxylic acid
06/27/2012CN101591233B Method for preparing gluconic acid
06/27/2012CN101555193B Separating method of aqueous phase byproduct from Fischer-Tropsch synthesis
06/27/2012CN101287696B A process to enrich a carboxylic acid composition
06/27/2012CN101010087B High yield and rapid synthesis method for processing organic metal salt
06/26/2012US8207377 Process for the production of acetic acid
06/26/2012US8207375 Microporous catalyst and method for hydrogenating aromatic compounds
06/26/2012US8207374 Process for the synthesis of ethers of aromatic acids
06/26/2012CA2535039C Production process of optically pure 2-(4-hydroxyphenoxy)-propionic acid compounds
06/21/2012WO2012082837A1 Method of making indeno-fused naphthol materials
06/21/2012WO2012082727A1 Biobased polyamides
06/21/2012WO2012082725A1 Continuous dehydrogenation of 1,4-carboxylate substituted cyclohexenes
06/21/2012WO2012082485A2 Eductor-based reactor and pump around loops for production of acetic acid
06/21/2012WO2012081723A1 Synthetic pathway constructing equipment, synthetic pathway constructing method, synthetic pathway constructing program, and processes for manufacturing 3-hydroxypropionic acid, crotonyl alcohol and butadiene
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