| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/18/2013 | CN103450008A Method for recovering mandelic acid from waste water |
| 12/18/2013 | CN103450007A Method for recovering lactic acid from waste lactic acid generated in silicon slice degumming procedure |
| 12/18/2013 | CN103450006A Process for producing glycollic acid by using monochloro acetic acid |
| 12/18/2013 | CN103450005A Preparation method of clopidogrel and intermediates thereof, namely alpha-bromo-o-clorophenylacetic acid and alpha-thiophene ethylamine substituted acetate silicate |
| 12/18/2013 | CN103450004A Environment-friendly high-efficiency method for synthesizing adipic acid by catalytically oxidating adipic dialdehyde |
| 12/18/2013 | CN103450003A Preparation process of lead stearate based on melting method |
| 12/18/2013 | CN103450002A Synthesis method of symmetrical anhydride |
| 12/18/2013 | CN103450001A Method and equipment for concentrating sodium formate in pentaerythritol production |
| 12/18/2013 | CN103447092A Graphene oxide supported Schiff base palladium catalyst as well as preparation method and application thereof |
| 12/18/2013 | CN103446967A Reaction device for continuous bubble tower absorption of polysorbate |
| 12/18/2013 | CN102838988B Method for recovering yttrium and europium in waste fluorescent powder to prepare yttrium europium oxide |
| 12/18/2013 | CN102584577B Postprocessing method for synthetic borneol |
| 12/18/2013 | CN102559321B Energy saving method in cow dung rapid chemical catalytic hydrolysis processing process |
| 12/18/2013 | CN102408288B Method for separating chiral drug by using protein-functionalized magnetic nanoparticles |
| 12/18/2013 | CN102391101B Process for refining gulonic acid |
| 12/18/2013 | CN102126944B Method for preparing single configuration mandelic acid or mandelic acid derivative by using chiral resolving agent |
| 12/18/2013 | CN101910104B Acetaldehyde removal from methyl acetate by distillation at elevated pressure |
| 12/18/2013 | CN101910099B Process for production of alcohol from carbonaceous feedstock |
| 12/18/2013 | CN101641319B Method for transporting liquid monomer phase, removed from storage container, in tank of tanker lorry or tanker ship |
| 12/17/2013 | US8609904 Process for manufacturing acrolein and/or acrylic acid from glycerol |
| 12/17/2013 | US8609895 Process for the oxidation of alcohol and/or aldehyde groups |
| 12/17/2013 | US8609894 Process for preparing aminopolycarboxylates |
| 12/17/2013 | US8609893 Process for manufacturing acrolein and/or acrylic acid from glycerol |
| 12/17/2013 | US8609876 9,10,12-triacyloxy octadecanoic acid alkyl ester and 9,10,12-triacyloxy octadecanoic acid alkyl ester rich fatty acid alkyl esters mixture and a process for preparation thereof |
| 12/17/2013 | US8609875 Oil containing one or more long-chain polyunsaturated fatty acids phospholipids derived from biomass |
| 12/17/2013 | CA2577305C Process for the production of [2-(4-fluoro-benzyl)-phenyl]-acetic acid |
| 12/12/2013 | WO2013185009A1 Renewable acrylic acid production and products made therefrom |
| 12/12/2013 | WO2013184371A1 Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration |
| 12/12/2013 | WO2013184240A1 Oxidation catalyst preparation |
| 12/12/2013 | WO2013181786A1 Labdane diterpenoid compounds, semen biotae extract, and preparation method and use thereof |
| 12/12/2013 | US20130331607 Process for preparing formic acid |
| 12/12/2013 | US20130331606 Process for production of adipic acid from 1,6-hexanediol |
| 12/12/2013 | US20130331605 Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration |
| 12/12/2013 | US20130331603 Process for Purifying Terephthalic Acid Using Ionic Liquids |
| 12/12/2013 | US20130331601 Method for recovery of organic acid from dilute aqueous solution |
| 12/12/2013 | US20130331593 Synthesis Of Treprostinil And Intermediates Useful Therein |
| 12/12/2013 | US20130326934 Soluble acids from naturally occurring aqueous streams |
| 12/11/2013 | EP2671878A1 Substituted n-pentanamide compounds, preparation methods and uses thereof |
| 12/11/2013 | EP2671862A1 Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid |
| 12/11/2013 | EP2671637A1 Mixed solution production device and mixed solution preparation method |
| 12/11/2013 | CN103443065A Method for purifying difluoroacetic acid chloride |
| 12/11/2013 | CN103443064A Method for treating purified terephthalic acid mother liquor |
| 12/11/2013 | CN103442801A Iron coordination polymers for adsorption of arsenate and phosphate |
| 12/11/2013 | CN103435577A Method for preparing levulinic acid and co-producing gamma-valerolactone from biomass |
| 12/11/2013 | CN103435477A Novel method for synthesizing para-ethoxybenzoic acid |
| 12/11/2013 | CN103435476A Preparation method of bismuth subsalicylate synthesizing bismuth crude drug |
| 12/11/2013 | CN103435475A Method for recycling benzoic acid from benzoic acid waste water |
| 12/11/2013 | CN103435474A Preparation method of kung-fu acyl chloride |
| 12/11/2013 | CN103435473A Preparation method of light-colour disproportionated rosin potassium soap with solid content of 80% |
| 12/11/2013 | CN103435472A High-activity benzoiso abscisic acid analogue and preparation method thereof |
| 12/11/2013 | CN103435471A Manwuweizic acid preparation method |
| 12/11/2013 | CN103435470A Treatment method of acrolein production residual liquid |
| 12/11/2013 | CN103435469A Method for preparing high-optical purity R-(+)-2-chloropropionic acid |
| 12/11/2013 | CN103435468A Method for producing stearic acid by utilizing cottonseed oil soapstock |
| 12/11/2013 | CN103435467A Method for extracting n-butyric acid, n-pentanoic acid and n-hexylic acid from waste alkali liquor of byproducts in production of cyclohexanone |
| 12/11/2013 | CN103435466A Synthetic method for organic ferrous salt iron (II) acetate |
| 12/11/2013 | CN103432759A Self-control distillation kettle |
| 12/11/2013 | CN102701948B Refining method for ibuprofen production |
| 12/11/2013 | CN102659559B Method for preparing lanthanum cerium oxalate from rare earth polishing powder waste residue |
| 12/11/2013 | CN102557919B Method for synthesizing citricacide-titatnium chelate by microwave chelation process by using new metatitanic acid precipitate |
| 12/11/2013 | CN102381962B Extraction method of effective components of Chinese angelica |
| 12/11/2013 | CN102372531B Preparation method for aromatic carboxylic acid compounds |
| 12/11/2013 | CN102336650B Stripping process and device for removing organic impurities in brufen sodium salt |
| 12/11/2013 | CN102311335B Preparation process of brufen with high bulk density |
| 12/11/2013 | CN102267892B Preparation method of potassium hydrogen tartrate used as pH reference reagent |
| 12/11/2013 | CN102219667B Higher fatty acid metal salt and preparation method thereof |
| 12/11/2013 | CN102203047B Process for production of optically active organic carboxylic acid |
| 12/11/2013 | CN102134190B Polycarboxylic acid for electrolyte as well as preparation method and application thereof |
| 12/11/2013 | CN102131759B Process for preparing fluorocarboxylic acid |
| 12/11/2013 | CN102020552B Method of using electrically driven membrane separation technology for the recycle of acrylic acid from wastewater generated in production of acrylic acid ester |
| 12/11/2013 | CN101935293B Method for preparing arginine ketoprofenate |
| 12/11/2013 | CN101891596B New compound and preparation method and application thereof |
| 12/11/2013 | CN101824023B Method for purifying sodium hydroxyethoxy acetate and p-dioxanone (PDO) monomers |
| 12/11/2013 | CN101808973B Method and apparatus for making acetic acid with improved purification |
| 12/10/2013 | US8604234 Method for preparing acrolein from glycerol by catalytic dehydration of glycerol using a heteropolyacid catalyst |
| 12/10/2013 | US8604228 Method for purifying fatty acid alkyl ester greatly loaded with saponification products |
| 12/10/2013 | US8604227 Process for preparing linear alpha,omega-dicarboxylic diesters |
| 12/10/2013 | US8603945 Methods and compositions for providing salicyclic acid-independent pathogen resistance in plants |
| 12/10/2013 | US8603938 Method for preparing catalyst |
| 12/05/2013 | WO2013181604A1 Polyhydroxyalkanoate derivatives, preparation and uses thereof |
| 12/05/2013 | WO2013178551A1 Method for solubilising and separating one or a plurality of carboxylic acids and use of a demobilised solubilising compound |
| 12/05/2013 | WO2013155292A3 Purification of bio-based acrylic acid to crude and glacial acrylic acid |
| 12/05/2013 | WO2013153450A3 Coriolus versicolor extracts, methods of isolating biologically-active compounds, and uses thereof |
| 12/05/2013 | WO2013129907A8 Method for the production of esters and uses thereof |
| 12/05/2013 | US20130324761 Hydrocarbons selective oxidation with heterogeneous catalysts |
| 12/05/2013 | US20130324758 Process for manufacturing acrolein/acrylic acid |
| 12/05/2013 | US20130324715 Eluent solution |
| 12/05/2013 | DE102012104668A1 Verfahren zur Solubilisierung und Trennung von einer oder mehreren Carbonsäuren und Verwendung einer demobilisierten solubilisierenden Verbindung A method for the solubilization and separation of one or more carboxylic acids and using a solubilizing compound demobilized |
| 12/04/2013 | EP2668150A1 Process for the production of methyl acetate/acetic acid |
| 12/04/2013 | CN203319903U Novel mixed acid and mixed ester production device |
| 12/04/2013 | CN203319901U Device for producing purified terephthalic acid from alkali-minimization wastewater residues |
| 12/04/2013 | CN203319899U Mechanical device for producing methane acid as byproduct |
| 12/04/2013 | CN203319898U Mechanical device for producing adipic acid as byproduct |
| 12/04/2013 | CN203319892U Novel carbon-11 multifunctional automatic synthesis module |
| 12/04/2013 | CN203315842U Purified terephthalic acid filtering device |
| 12/04/2013 | CN203315785U L-calcium lactate crystallization treatment tank |
| 12/04/2013 | CN103429307A Method for recovery of organic acid from dilute aqueous solution |
| 12/04/2013 | CN103421176A 脂肪醇聚氧乙烯聚氧丙烯醚羧酸盐及制备方法 Polyoxyethylene polyoxypropylene ether carboxylate and preparation methods |
| 12/04/2013 | CN103421033A Method for preparing (1R)-(S)-pinanediol-1-amino-3-methylbutane-1-borate ester and salt thereof |
| 12/04/2013 | CN103420957A Comprehensive utilization method of lignocellulose |