| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/08/2013 | CN101863756B Process for producing disodium citrate |
| 05/08/2013 | CN101792387B Preparation method of 2,3,4-trimethoxybenzoic acid |
| 05/08/2013 | CN101774908B Method for producing m-chlorobenzoyl chloride |
| 05/08/2013 | CN101516821B Process for obtaining an organic salt or organic acid from an aqueous sugar stream |
| 05/08/2013 | CN101384539B Method for extracting methacrylic acid |
| 05/08/2013 | CN101184718B Processes for producing aromatic dicarboxylic acids |
| 05/07/2013 | USRE44206 Oxidation process for the production of carboxylic acids and alkenes |
| 05/07/2013 | CA2718374C Extraction and winterization of lipids from oilseed and microbial sources |
| 05/07/2013 | CA2590349C Potentiators of glutamate receptors |
| 05/02/2013 | WO2013062919A1 IMPROVED CATALYST FOR n-BUTANE OXIDATION TO MALEIC ANHYDRIDE |
| 05/02/2013 | WO2013062645A1 Alkane oxidation |
| 05/02/2013 | US20130109886 Process for preparing dicarboxylic acids |
| 05/02/2013 | US20130109885 Post protein hydrolysis removal of a potent ribonuclease inhibitor and the enzymatic capture of dna |
| 05/02/2013 | US20130109884 Process for producing alpha-ketocarboxylic acid |
| 05/01/2013 | EP2586766A1 Porous metal complex, process for producing same, gas storage method, and gas separation method |
| 05/01/2013 | EP2586765A1 Selective oxidation of hydrocarbons using heterogeneous catalysts |
| 05/01/2013 | EP2585430A1 Process and system for the separation of carboxylic acids (such as terephthalic acid) from a slurry |
| 05/01/2013 | EP2585429A1 Process for removing, isolating and purifying dicarboxylic acids |
| 05/01/2013 | EP2585428A2 Processes for the resolution of nitrogen substituted (s)-5-alkoxy-2-aminotetralin derivatives |
| 05/01/2013 | EP2585427A1 Process for producing alpha-ketocarboxylic acid |
| 05/01/2013 | CN103080062A Process for reducing the concentration of acetic acid in a crude alcohol product |
| 05/01/2013 | CN103080061A Process for preparing formic acid by reaction of carbon dioxide with hydrogen |
| 05/01/2013 | CN103080051A Integrated process for producing acetic acid and alcohol |
| 05/01/2013 | CN103074054A Preparation method of ultraviolet excited yellow fluorescent powder |
| 05/01/2013 | CN103073542A Preparation method and application of tropisetron citrate crystal form II |
| 05/01/2013 | CN103073464A Preparation method of valnemulin fumarate |
| 05/01/2013 | CN103073456A Preparation method for rivastigmine intermediate |
| 05/01/2013 | CN103073419A Preparation method for 4, 4-DCDPE (dicarboxydiphenyl ether) |
| 05/01/2013 | CN103073418A Preparation method of 2-fluoro-3-chlorobenzoic acid |
| 05/01/2013 | CN103073417A Preparation method for high-purity trans-crocetin |
| 05/01/2013 | CN103073416A Preparation method of propenoic acid |
| 05/01/2013 | CN103073415A Technique for preparing propenoic acid through single-step oxidation of propene |
| 05/01/2013 | CN103073414A Novel method and device for adsorbing and refining acrylic acid |
| 05/01/2013 | CN103073413A Ginkgolic acid extraction method |
| 05/01/2013 | CN103073412A PAT solvent dehydration system and dehydration technology |
| 05/01/2013 | CN103073411A Ketobutyric acid and preparation method for ketobutyric acid salt |
| 05/01/2013 | CN103073410A Preparation method of fluoro-ether carboxylic acid surfactant |
| 05/01/2013 | CN103071514A Preparation method of catalyst for preparing acrylic acid with propylene by one-step catalytic oxidation |
| 05/01/2013 | CN102294265B Catalyst for synthesis of acetic acid through carbonylation at low water concentration, preparation method and application thereof |
| 05/01/2013 | CN102173988B Purification method of 6-hydroxyl-2-naphthoic acid |
| 05/01/2013 | CN102153461B Method for preparing glycollic acid with ethylene glycol |
| 05/01/2013 | CN102153460B Method for preparing glycollic acid by glycol |
| 05/01/2013 | CN102060687B Method for producing acetic acid through hydrothermal oxidation of algae |
| 05/01/2013 | CN101612564B Mo-V-Te-Nb-O catalyst, preparation method and application thereof |
| 05/01/2013 | CN101568513B Method and system for separation and purification of high-purity 2,6-dimethylnaphthalene by continuous crystallization |
| 05/01/2013 | CN101180252B A process for continuous carbonylation by supported ionic liquid-phase catalysis |
| 04/30/2013 | US8431743 Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene |
| 04/30/2013 | US8431742 Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane-dicarboxylic acid by way of ring-opening cross metathesis (ROCM) of cyclooctene with acrylic acid |
| 04/30/2013 | US8431740 Controlling decanter phase separation of acetic acid production process |
| 04/30/2013 | CA2747699C Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester |
| 04/25/2013 | WO2013058888A1 Method for preparing acrylic acid from propane and propylene |
| 04/25/2013 | WO2013057126A1 Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid |
| 04/25/2013 | WO2013057125A1 Process for the purification of a liquid feed comprising mca and dca |
| 04/25/2013 | WO2013056488A1 Phenoxyacetic acid derivative synthesis method |
| 04/25/2013 | WO2013015874A3 Process for preparing a turbine oil comprising an ester component |
| 04/25/2013 | US20130102810 Methanol Carbonylation Process with Rhodium Catalyst and a Lanthanide Metal Co-Catalyst |
| 04/25/2013 | US20130102809 Methanol Carbonylation Process with Rhodium Catalyst, an Iodide Salt and a Metallic Co-Catalyst Selected from Transition Metals, Indium, Strontium, Barium, Zinc, Tin and Heteropoly Acids |
| 04/24/2013 | EP2582653A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof |
| 04/24/2013 | EP1293495B1 Process for the preparation of bromoisophthalic acid compounds |
| 04/24/2013 | CN202893324U Novel tubular reactor for synthesizing sodium formate |
| 04/24/2013 | CN202893068U 衣康酸母液分离装置 Itaconic acid liquor separation device |
| 04/24/2013 | CN103068782A Process for removing water from ethanol mixtures |
| 04/24/2013 | CN103068781A Removing water from an acetic acid waste stream in the production of alcohols |
| 04/24/2013 | CN103059090A Abiraterone acetate oxalate and purification method of abiraterone acetate |
| 04/24/2013 | CN103059022A Purine derivative and pharmaceutical application thereof |
| 04/24/2013 | CN103058937A Pyrimidine derivative and medicinal application thereof |
| 04/24/2013 | CN103058914A Maleic acid levorotation amlodipine crystal form and preparation method thereof |
| 04/24/2013 | CN103058869A Method of preparing lactic acid and lactate ester by catalyzing sugar to convert |
| 04/24/2013 | CN103058859A Simultaneous preparation and detection method of gallic acid and gallicin in toona sinensis leaves |
| 04/24/2013 | CN103058858A Method for extracting high-purity carnosic acid from rosemary |
| 04/24/2013 | CN103058857A Preparation method of disproportionated rosin potassium soap |
| 04/24/2013 | CN103058855A Method for synthesizing phenoxyacetic acid derivative |
| 04/24/2013 | CN103058854A Method for converting danshinolic acid B into tanshinol in shenxiong glucose injection preparation process |
| 04/24/2013 | CN103058853A Method for producing calcium hydrogen citrate |
| 04/24/2013 | CN103058852A Method for preparing lactic acid by hydrolyzing biomass |
| 04/24/2013 | CN103058851A Method for preparing 2-(trifluoromethyl) acrylic acid |
| 04/24/2013 | CN103058850A Method for preparing alitretinoin |
| 04/24/2013 | CN103058849A Interval reaction rectification process for synthesizing methacrylic anhydride |
| 04/24/2013 | CN103058848A Method for separating organic acid via pseudo-homogeneous weak-base anion exchange resin |
| 04/24/2013 | CN103058847A Synthetic method of vanadium iso-octoate |
| 04/24/2013 | CN103058804A Method for synthesizing (2R, 3R)-3- hydroxyl-2- methyl carboxylic acid |
| 04/24/2013 | CN103055767A Device for installing thermocouple on reactor in propenoic acid production |
| 04/24/2013 | CN103055637A Device and method for removing terephthalic acid granules from methacrylic acid reaction gas |
| 04/24/2013 | CN103055542A Sol-gel chitosan grafting cyclodextrin capillary electrochromatography open tubular column |
| 04/24/2013 | CN102276446B Method for preparing potassium dihydrogen citrate (malononitrile alloy (I)) for gold plating and monohydrate thereof |
| 04/24/2013 | CN102211992B Process for reclaiming dibasic acid from adipic acid production waste solution |
| 04/24/2013 | CN102153459B Method for preparing 5-chloro-valeryl chloride and adipoyl chloride simultaneously by one-pot method |
| 04/24/2013 | CN102093206B Method for preparing levulinic acid by hydrolyzing sucrose by using nickel sulfate on silica gel as catalyst |
| 04/24/2013 | CN102040515B Method for producing aminothiazole derivative and production intermediate |
| 04/24/2013 | CN101973866B Preparation method for synthesizing propionic acid by carbonylation |
| 04/24/2013 | CN101952038B Improved oxidation catalyst for maleic anhydride production |
| 04/24/2013 | CN101914004B Synthesis process of calcium formate |
| 04/24/2013 | CN101875604B Method for performing liquid-phase partial oxidation on methane |
| 04/24/2013 | CN101811059B Catalyst for catalyzing and dehydrating lactate and preparation and application thereof |
| 04/24/2013 | CN101790507B Method for separating and refining high purity 2,6-naphthalene dicarboxylic acid using crystallization |
| 04/24/2013 | CN101665298B Method for removing phthalate ester in water body by utilizing solid base catalyst |
| 04/24/2013 | CN101643409B Production method for converting sodium tartrate into tartaric acid |
| 04/24/2013 | CN101643407B Process for producing feed-grade zinc lactate |
| 04/24/2013 | CN101641318B Method for converting nitrile compounds into corresponding carboxylic acids and esters |
| 04/24/2013 | CN101626835B Immobilized cyclic imide catalyst and process for oxidation of organic compounds with the same |