Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
06/2012
06/21/2012WO2012081418A1 Process for producing acetic acid
06/21/2012WO2012081417A1 Acetic acid production method
06/21/2012WO2012081416A1 Acetic acid production method
06/21/2012WO2012081112A1 Method for producing purified lactic acid solution
06/21/2012WO2012080647A2 Continuous method for the carbonylation of alcohols, in particular of phenyl alcohols
06/21/2012WO2012080465A1 Lignosulfonate grafts with an acid, ester and non-ionic monomers
06/21/2012WO2011161255A4 Processes for the resolution of nitrogen substituted (s) - 5 -alkoxy- 2 -aminotetralin derivatives
06/21/2012WO2011069008A8 Carboxylic acid recovery and methods related thereto
06/21/2012US20120157710 Eductor-Based Reactor and Pump Around Loops for Production of Acetic Acid
06/21/2012US20120157708 Process for the manufacture of sevoflurane
06/21/2012CA2821259A1 Eductor-based reactor and pump around loops for production of acetic acid
06/21/2012CA2820946A1 Lignosulfonate grafts with an acid, ester and non-ionic monomers
06/20/2012EP2465841A1 Preparation of esters of mono- or dicarboxylic non-aromatic and aromatic acids
06/20/2012EP2464619A1 Process for the manufacture of sevoflurane
06/20/2012EP1697295B1 Method of producing unsaturated aldehyde and/or unsaturated acid
06/20/2012EP1695956B1 Cyclic carboxylic acid compound and use thereof
06/20/2012EP1452518B1 Process for producing (meth)acrylic acid compounds
06/20/2012CN102503843A Preparation method for metoprolol salt
06/20/2012CN102503815A Preparation method for roflumilast intermediate
06/20/2012CN102503814A Synthesis method for triiodo benzoic triformic acid
06/20/2012CN102503813A Method for recovering organic acid and cobalt-manganese metal in terephthalic acid oxidized residues
06/20/2012CN102503812A Method for increasing citric acid yield in extracting process of citric acid with calcium-salt method
06/20/2012CN102503811A Preparation method of soluble magnesium citrate
06/20/2012CN102503810A Method for recovering and recycling L-tartaric acid
06/20/2012CN102503809A Method for synthesizing cefodizime acid side chain intermediate
06/20/2012CN102503808A Production method and apparatus for high-power concentration of gulonic acid
06/20/2012CN102503807A Method for producing 12-hydroxystearic acid from ricinoleic acid by continuous reaction via one-step process
06/20/2012CN102503806A Method for synthesis of 1,3,5,7-tetra(4-acrylatophenyl)adamantine compound
06/20/2012CN102503805A Method for preparing 4-felbinac through rearrangement reaction
06/20/2012CN102503804A Method for continuously discoloring succinic acid fermentation liquor by using activated carbon
06/20/2012CN102503803A Organic acid compound as well as extraction method and application thereof
06/20/2012CN102503802A Acetic acid extracting agent
06/20/2012CN102503801A Method for producing formic acid from glycerol by hydrothermal oxidation
06/20/2012CN102503800A Refining method of C11-C18 long-chain diacid
06/20/2012CN102503768A Method for selectively oxidizing toluene in water
06/20/2012CN102503019A Method for realizing biogas slurry reutilization by recycling biogas slurry
06/20/2012CN102502506A Method for simultaneously synthesizing chlorine dioxide and glyoxylic acid by catalyzing bromide
06/20/2012CN102502505A Method for simultaneously synthesizing chlorine dioxide and glyoxylic acid by catalyzing nitric compound
06/20/2012CN102500397A Preparation method for solid super acid catalyst for synthesis of levulinic acid and application of solid super acid catalyst
06/20/2012CN101591238B Method for preparing rosin acrylic acid
06/20/2012CN101508642B Method for preparing 2,5-dihydroxy p-benzene dicarboxylic acid
06/20/2012CN101386575B Method for preparing iron oxalate
06/20/2012CN101248033B Method for producing acrylic acid from glycerol
06/20/2012CN101024705B Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
06/19/2012US8203017 Hydrogenation of benzene polycarboxylic acids or derivatives thereof
06/19/2012US8203014 Fractionation processes and devices for oils and fats
06/19/2012US8203013 Preparation of fatty acids in solid form
06/19/2012CA2517882C Method of manufacturing acetic acid
06/14/2012WO2012078552A1 Recovery of acetic acid from heavy ends in vinyl acetate synthesis process
06/14/2012WO2012078147A1 A process for the preparation of intermediates useful in the production of aliskiren
06/14/2012WO2012077673A1 Method for producing 2-bromo-4,5-dialkoxy benzoic acid
06/14/2012WO2012076759A1 A method for recovery of organic acid from dilute aqueous solution
06/14/2012US20120149939 Recovery of Acetic Acid from Heavy Ends in Vinyl Acetate Synthesis Process
06/14/2012US20120149937 Method for producing hydroxycarboxylic acid derivative
06/14/2012US20120149922 Catalytic conversion of cellulose to liquid hydrocarbon fuels by progressive removal of oxygen to facilitate separation processes and achieve high selectivities
06/14/2012CA2821456A1 A method for recovery of organic acid from dilute aqueous solution
06/14/2012CA2819119A1 Method for producing 2-bromo-4,5-dialkoxy benzoic acid
06/13/2012EP2463263A1 Isotope labeled 2-arylpropionic acid compounds and process for production of same, and molecular probe for positron emission tomography and method for imaging of cyclooxygenase and the like using same
06/13/2012EP2462100A1 Process for hydrogenation
06/13/2012EP2462099A2 Process for preparing a hydroxyacid or hydroxyester
06/13/2012EP2462098A2 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
06/13/2012CN102498086A Methods for producing dodecanedioic acid and derivatives thereof
06/13/2012CN102498085A Process for the manufacture of sevoflurane
06/13/2012CN102492733A Method for producing and separating fumaric acid
06/13/2012CN102492007A Method for extracting flavones compounds and total phenol from hot pepper residue
06/13/2012CN102491917A Preparation method of fatty acid amide propyl trimethyl quaternary ammonium salt in novel quaternary ammonium compound and performance determination method of fatty acid amide propyl trimethyl quaternary ammonium salt
06/13/2012CN102491894A Preparation method of 2,4,6-trimethylbenzoic acid
06/13/2012CN102491893A Zinc citrate trihydrate and preparation method thereof
06/13/2012CN102491892A Method for improving purification of aliphatic acids in petroleum geology sample
06/13/2012CN102491887A Method for integrally producing benzaldehyde and acyl chloride by means of benzal chloride acidolysis reaction and hydrolysis reaction
06/13/2012CN102491862A Method for preparing biaryl compound in pure water
06/13/2012CN102489331A Preparation of super-molecular intelligent hydrogel palladium-supported catalyst and application thereof in Heck reaction
06/13/2012CN102489327A Catalyst for acetic acid synthesis through methanol carbonylation and its application method
06/13/2012CN102489220A Continuous oxidation method and device for preparing oxalic acid
06/13/2012CN101955470B Potentiators of glutamate receptors
06/13/2012CN101914053B Method for preparing indolylacetic acid and abscisic acid from seaweeds
06/13/2012CN101613268B Method for manufacturing rich reverse type first chrysanthemic acid
06/13/2012CN101608147B Method for preparing hexadecanoic acid and oleic acid extracted from rice oil distillate
06/13/2012CN101589014B Process for producing potassium formate
06/13/2012CN101531587B Zirconium lead tartrate double metal salt, preparation method and application thereof
06/13/2012CN101492358B Method for producing low-phosphor dimer acid
06/13/2012CN101486636B Preparation of nonaqueous synthesized lead stearate
06/13/2012CN101472876B Method of replacing dispersion medium
06/13/2012CN101429115B Process for producing trifluoro benzene acetic acid and sitagliptin
06/13/2012CN101405251B Process for production of 5-phenylisophthalic acid
06/13/2012CN101391948B Method for preparing 3-methyl-2-butenoic acid
06/13/2012CN101306993B Refine process of L-lactic acid of polymerization grade
06/13/2012CN101268033B Method for recovering tungsten
06/13/2012CN101244995B Catalyst for oxidation of ethane and method for producing the catalyst
06/13/2012CN101010280B Optimized liquid-phase oxidation
06/13/2012CN101010279B Optimized liquid-phase oxidation
06/13/2012CN101010277B Optimized liquid-phase oxidation
06/12/2012US8198482 Method for producing carboxylic acid chloride
06/12/2012US8198481 Process for preparing acrylic acid purified by crystallization from hydroxypropionic acid and apparatus therefore
06/12/2012US8198480 Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer
06/12/2012US8198477 Process for production of acrolein from glycerol
06/12/2012US8198476 Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts
06/07/2012WO2012074628A1 Processes for purification of acid solutions
06/07/2012WO2012073584A1 Catalyst for producing unsaturated carboxylic acids and unsaturated carboxylic acid production method using said catalyst
06/07/2012WO2012071766A1 Preparation method of l-arginine-α-ketoglutarate by direct crystallization from zymotic fluid
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