| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 01/01/2014 | CN103483180A Process for recovering white fumaric acid from phthalic anhydride wastewater |
| 01/01/2014 | CN103483179A Method for purifying crude sodium formate byproduct from neopentyl glycol production |
| 01/01/2014 | CN103483178A Method of treating waste residue in production of neopentyl glycol |
| 01/01/2014 | CN103483177A Method and device for preparing formic acid |
| 01/01/2014 | CN103483146A Method for extracting p-tertbutyl benzaldehyde from oxidation reactant of p-tertbutyl methylbenzene through integration of liquid-liquid extraction crystallization and decompression sidetrack rectification |
| 01/01/2014 | CN103482813A Production method for recovering calcium lactate and lactic acid from lactic acid degumming waste liquid |
| 01/01/2014 | CN102701964B Method for synthesizing 4,4'-diphenic acid |
| 01/01/2014 | CN102432452B Method for preparing C10 cobalt neodecanoate rubber adhesive promoter |
| 01/01/2014 | CN102344355B Method for preparing chiral (S)-2-propionic acid |
| 01/01/2014 | CN102219669B Method for extracting purslane linolenic acid with supercritical CO2 fluid |
| 12/31/2013 | US8617855 Identification and processing of secondary materials for the cosmetics-, pharmaceutical-, and fuel-producing industries and also further industrial fields of application |
| 12/27/2013 | WO2013192453A1 Purification of 3-hydroxypropionic acid from crude cell broth and dehydration to acrylic acid |
| 12/27/2013 | WO2013191399A1 Integrated production method for acetic acid, vinyl acetate and polyvinyl alcohol |
| 12/27/2013 | WO2013188949A1 Production of acrylic acid and ethanol from carbonaceous materials |
| 12/26/2013 | US20130345474 Process for the Production of Acetic Acid |
| 12/26/2013 | US20130345473 Process for the separation of mono- and di-carboxylic acid compounds |
| 12/26/2013 | US20130345471 Synthesis of intermediate for treprostinil production |
| 12/26/2013 | US20130345470 Purification of 3-Hydroxypropionic Acid from Crude Cell Broth and Production of Acrylamide |
| 12/26/2013 | US20130345429 Process and intermediate compounds useful in the preparation of statins |
| 12/25/2013 | EP2676948A1 Method for purifying difluoroacetic acid chloride |
| 12/25/2013 | CN203360340U System for automatically recycling acetic acid from waste ceramic leaching liquid |
| 12/25/2013 | CN203360339U Automation device for preparing environment-friendly snow-melting agent from pyroligneous liquor |
| 12/25/2013 | CN203355434U Bacteria dreg filtration system for manufacturing sodium gluconate |
| 12/25/2013 | CN203355418U Device for processing crude terephthalic acid oxidation slurry |
| 12/25/2013 | CN203355346U Evaporative crystallization device |
| 12/25/2013 | CN203355318U Forced-circulation evaporator for sodium gluconate production |
| 12/25/2013 | CN203355316U Continuous quarternary-stage evaporation and crystallization device for manufacturing sodium gluconate |
| 12/25/2013 | CN103476738A Production of aromatic carboxylic acids |
| 12/25/2013 | CN103468752A Preparation method of monomer itaconic acid |
| 12/25/2013 | CN103467641A Linear polystyrene supported (S)-5-(4-benzyloxy)-3-phenyl-1-propionyl hydantoin, and preparation method and application thereof |
| 12/25/2013 | CN103467483A Method for preparing hydrobromic acid prasugrel acetic acid compound |
| 12/25/2013 | CN103467445A Preparation method of alogliptin benzoate |
| 12/25/2013 | CN103467365A Dextrodoxylamine succinate |
| 12/25/2013 | CN103467281A Phenol derivative and application thereof |
| 12/25/2013 | CN103467280A Preparation method of 3-trifluoromethybenzoic acid |
| 12/25/2013 | CN103467279A Purified terephthalic acid preparation method |
| 12/25/2013 | CN103467278A Preparation method and device of 2,4-dichlorphenoxyacetic acid |
| 12/25/2013 | CN103467277A Method for converting carbohydrates into levulinic acid through microwave-assisted ionic liquid catalysis |
| 12/25/2013 | CN103467276A Method for synthesizing Montelukast side-chain key intermediate |
| 12/25/2013 | CN103467275A Catalytic oxidation production method of sodium gluconate liquid by means of activated carbon treatment |
| 12/25/2013 | CN103467274A Method for preparing artemisinic acid |
| 12/25/2013 | CN103467273A Method for preparing azelaic acid from rare earth Ce-loaded mesoporous molecular sieve catalyst |
| 12/25/2013 | CN103467272A Rapid energy-saving and emission-reduction production method for high purity large particle nickel acetate |
| 12/25/2013 | CN103467271A Method for transforming biomass into high-value-added chemicals through microwave-assisted ionic liquid catalysis |
| 12/25/2013 | CN103467270A Preparation method of 3-oxocyclobutanecarboxylic acid |
| 12/25/2013 | CN103467269A Synthetic method of biphenyl-4-formic acid |
| 12/25/2013 | CN103467237A Method for preparing aromatic hydrocarbons by catalytic decarboxylation of terephthalic acid residues |
| 12/25/2013 | CN103467226A Method for synthesis of aromatic carboxylic acid by selective catalytic oxidation of alkyl aromatic compound |
| 12/25/2013 | CN103466830A Method for recycling electrolytic manganese metal anode waste liquor |
| 12/25/2013 | CN102728236B Coordination polymer membrane material, preparation method for same and application of same in membrane separation |
| 12/25/2013 | CN102659573B Preparation method for 7-carbonyl group-8, 15-isopimaric acid |
| 12/25/2013 | CN102617260B Method for removing boric acid group by using aryl boric acid compound |
| 12/25/2013 | CN102603513B Preparation method of ferrous lactate powder |
| 12/25/2013 | CN102603033B Processing method of citric acid neutralized waste water |
| 12/25/2013 | CN102527441B Method for Co-Mn catalyst reactivation |
| 12/25/2013 | CN102503813B Method for recovering organic acid and cobalt-manganese metal in terephthalic acid oxidized residues |
| 12/25/2013 | CN102414252B Method for manufacturing solution of diacid/diamine salts |
| 12/25/2013 | CN102391103B Method for producing anhydrous citric acid crystal |
| 12/25/2013 | CN102381931B Method for oxidizing cyclohexanone |
| 12/25/2013 | CN102351681B Method for continuously synthesizing trifluoroacetyl chloride and sulfuryl fluoride |
| 12/25/2013 | CN102285849B Fluorination method |
| 12/25/2013 | CN101935277B Porous rare-earth metal-organic framework material, preparation method and application thereof in natural gas storage |
| 12/25/2013 | CN101903072B Method of filtering crystallization slurry |
| 12/25/2013 | CN101795997B Distillation of ionic liquids |
| 12/25/2013 | CN101704739B Method for extracting citric acid and/or sodium citrate from fermentation liquor by using extraction method |
| 12/25/2013 | CN101641320B Method for storing monomer phase that is liquid under storage conditions |
| 12/25/2013 | CN101597228B <11>C-acetate preparation method |
| 12/24/2013 | US8614350 Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
| 12/24/2013 | US8614344 Metathesis methods involving hydrogenation and compositions relating to same |
| 12/24/2013 | CA2738166C Processes for producing monoammonium adipate from fermentation broths containing diammonium adipate, monoammonium adipate and/or adipic acid, and conversion of monoammonium adipate to adipic acid |
| 12/19/2013 | WO2013188589A2 SPINEL CATALYST OF LixMn2O4 (0<x<0.2) FOR OXIDATION REACTIONS |
| 12/19/2013 | WO2013186156A1 Process for preparing formic acid |
| 12/19/2013 | WO2013185344A1 Production of lactic acid from fermentations using mixed bacterial cultures |
| 12/19/2013 | US20130338397 Catalyst and method for synthesis of lactic acid and its derivatives |
| 12/19/2013 | US20130338393 Method for producing alicyclic carboxylic acid and catalyst used in same |
| 12/19/2013 | US20130338378 Shaped catalyst body for flow-through fixed-bed reactors |
| 12/19/2013 | US20130338171 Pharmaceutically Acceptable Salts of Quinolinone Compounds Having Improved Pharmaceutical Properties |
| 12/19/2013 | DE19727042B4 Neue Vinyletherverbindung, deren Zwischenprodukte und Verfahren zu deren Herstellung New vinyl ether compound, their intermediates and process for their preparation |
| 12/19/2013 | CA2876153A1 Process for production of adipic acid from 1,6-hexanediol |
| 12/18/2013 | EP2673253A1 A process for the production of (meth)acrylic acid and derivatives and polymers produced therefrom |
| 12/18/2013 | EP2673252A1 Improved process for manufacturing acrolein/acrylic acid |
| 12/18/2013 | EP1858833B1 Method of producing unsaturated acid from olefin |
| 12/18/2013 | CN203342813U Novel efficient and energy-saving adipic acid oxidation reactor |
| 12/18/2013 | CN203342807U Photochlorination reaction kettle for production of benzaldehyde and benzoyl chloride |
| 12/18/2013 | CN203342499U Wind pressure reducing and stabilizing system for adipic acid thickening device |
| 12/18/2013 | CN103459458A Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor |
| 12/18/2013 | CN103459364A Process for the manufacture of alpha, alpha-branched carboxylic acid vinyl esters |
| 12/18/2013 | CN103459363A Process for the production of methyl acetate/acetic acid |
| 12/18/2013 | CN103459022A Method for preparing catalyst for production of methacrylic acid |
| 12/18/2013 | CN103459014A Steam re-calcination of mixed metal oxide catalysts |
| 12/18/2013 | CN103450258A Salts of alkoxyl pyrimidine derivatives |
| 12/18/2013 | CN103450192A Salt of morpholinyl pyridinopyrimidone derivative |
| 12/18/2013 | CN103450185A Salts of dehydrocheilanthifoline derivatives |
| 12/18/2013 | CN103450184A Salt of scoulerine derivatives |
| 12/18/2013 | CN103450036A Preparation method of high-purity tamoxifen citrate |
| 12/18/2013 | CN103450013A Industrial preparation method of 2,4,5-trifluoro-3-methoxybenzoyl chloride |
| 12/18/2013 | CN103450012A Method for extracting pisiferic acid |
| 12/18/2013 | CN103450011A Diterpene acid for preventing Coxsackie virus, preparation method, pharmaceutical composition, and applications thereof |
| 12/18/2013 | CN103450010A Method for preparing cyclohexanecarboxylic acid |
| 12/18/2013 | CN103450009A Preparation method of para-hydroxyl phenylacetic acid |