| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 02/20/2013 | CN102935333A Method for separating glutamic acid and lactic acid from fermentation waste liquor by packed bed electrodialysis |
| 02/20/2013 | CN102935298A Method for recovering refined oxalate mother liquor |
| 02/20/2013 | CN102151583B Method for preparing vanadium phosphate catalyst used in reaction of acrylic acid synthesized by acetic acid and formaldehyde |
| 02/20/2013 | CN101914386B Composite method for removing and reclaiming naphthenic acid from fraction oil |
| 02/20/2013 | CN101898975B Synthesis method of S-O-chlorobenzene glycine methyl ester tartrate |
| 02/20/2013 | CN101898105B Chemical reaction device for fully recycling gas raw material |
| 02/20/2013 | CN101880224B Method for splitting 6,8-dichlorocaprylate |
| 02/20/2013 | CN101747179B Method for preparing citric acid malic acid calcium |
| 02/20/2013 | CN101486638B Preparation of 2,3-difluorophenylacetic acid |
| 02/20/2013 | CN101376628B Novel phenolic acid compound, preparation and pharmaceutical composition thereof and use |
| 02/20/2013 | CN101166710B Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid |
| 02/19/2013 | US8378141 Process and system for supplying vapor from drying column to light ends column |
| 02/19/2013 | US8378136 Process for manufacturing acrolein from glycerol |
| 02/19/2013 | US8378131 Co-precipitated salts of fatty acids |
| 02/14/2013 | WO2013022998A2 Production of carboxylates and methane from biomass waste |
| 02/14/2013 | WO2013022752A1 Methods and devices for extraction of bioactive polyelectrolytes from humified organic materials |
| 02/14/2013 | WO2013021343A1 Process for the optical resolution of () -3- (2 -benzyloxy- 5 - bromophenyl) - 3 - phenylpropionic |
| 02/14/2013 | WO2013021034A1 Catalyst material for oxidizing hydrocarbons, consisting of molybdenum, vanadium, niobium, tellurium, manganese, and cobalt |
| 02/14/2013 | WO2013021020A1 Catalyst material for oxidizing hydrocarbons, consisting of molybdenum, vanadium, niobium, tellurium, nickel, tungsten, and manganese |
| 02/14/2013 | US20130041175 Process for oxidizing alkyl aromatic compounds |
| 02/14/2013 | US20130041106 Chemoselective enrichment for compound isolation |
| 02/14/2013 | US20130040229 Method of making cohesive carbon assembly and its applications |
| 02/13/2013 | EP2557072A1 Para- or meso-functionalized aromatic ketone compounds, preparation methods thereof, and photopolymerization initiators comprising the same |
| 02/13/2013 | CN202730042U Washing water utilizing device for acid washing step by citric acid |
| 02/13/2013 | CN202730041U Novel device for producing sodium acetate from grain stillage |
| 02/13/2013 | CN102933539A Process and system for the separation of carboxylic acids (such as terephthalic acid) from a slurry |
| 02/13/2013 | CN102933538A Method for preparing carboxylic acids by oxidative cleavage of a vicinal diol |
| 02/13/2013 | CN102929102A Deep ultraviolet chemically amplified positive photoresist |
| 02/13/2013 | CN102924528A Anti-tumor bivalent platinum complex and preparation method for complex and ligand of complex |
| 02/13/2013 | CN102924270A Method for extracting rhein from rheum |
| 02/13/2013 | CN102924269A Preparation method of neutral alkyl calcium salicylate |
| 02/13/2013 | CN102924268A Method for preparing gallic acid |
| 02/13/2013 | CN102924267A Preparation method of 2,6-naphthalic acid |
| 02/13/2013 | CN102924266A Method for preparing phthalic acid by xylol co-oxidation catalyst system |
| 02/13/2013 | CN102924265A Asymmetric synthesis method of (+)-tanshinol |
| 02/13/2013 | CN102924264A Preparation method of benzilic acid |
| 02/13/2013 | CN102924263A Method for preparing 6-hydroxy caproic acid |
| 02/13/2013 | CN102924262A Adipic acid preparation method |
| 02/13/2013 | CN102924261A Method for solving oxidation material rushing-out in preparation for oxalic acid by virtue of starch |
| 02/13/2013 | CN102924260A Technique and device for continuously producing stearate by low-temperature dry process |
| 02/13/2013 | CN102924259A Synthetic method of rhodium acetate |
| 02/13/2013 | CN102924258A Method for producing calcium formate from sugar mill filter mud |
| 02/13/2013 | CN102924257A Method for preparing high-purity sodium formate by using tail gas of synthesis ammonia liquid nitrogen wash device |
| 02/13/2013 | CN102924227A Production technology of isopentenyl alcohol |
| 02/13/2013 | CN102924206A Water-phase green preparation method of 1,3-disubstituted-3-aryl allyl compound and application of 1,3-disubstituted-3-aryl allyl compound |
| 02/13/2013 | CN102924205A Method for oxidizing alcohol into aldehyde, ketone or carboxylic acid |
| 02/13/2013 | CN102923895A Method for disposing cyclohexanone saponified waste liquid |
| 02/13/2013 | CN102923663A Method for recovering bromine from pure terephthalic acid (PTA) waste water |
| 02/13/2013 | CN102921036A Method for preparing marine environment-friendly calcium citrate hard tissue repair material |
| 02/13/2013 | CN102139211B Method for preparing noble metal/TiO2-C catalyst for hydrofining of crude terephthalic acid |
| 02/13/2013 | CN102076411B Catalyst for acrolein and/or acrylic acid production and process for producing acrolein and/or acrylic acid using the catalyst |
| 02/13/2013 | CN102010323B Method for synthesizing ibuprofen and analogues thereof |
| 02/13/2013 | CN101663260B Novel process for the preparation of acid chlorides |
| 02/13/2013 | CN101659610B Method for production of purified (meth)acrylic acid |
| 02/13/2013 | CN101648866B Preparation technology of p-tert-butyl benzoic acid |
| 02/13/2013 | CN101391950B Improved process for selective reduction of propionic acid from (meth)acrylic acid product streams |
| 02/13/2013 | CN101244994B Novel method for producing 2,4,5-trifluoro benzene acetic acid |
| 02/12/2013 | US8373005 Process for the synthesis of ethers of aromatic acids |
| 02/07/2013 | WO2013019235A1 Process for purifying a crude ethanol product |
| 02/07/2013 | WO2013018915A2 Improved process of dehydration reactions |
| 02/07/2013 | WO2013017942A2 Improved process of dehydration reactions |
| 02/07/2013 | WO2013017904A1 Improved process of dehydration reactions |
| 02/07/2013 | WO2013016840A1 Novel intermediate used for preparing tapentadol or analogues thereof |
| 02/07/2013 | US20130035507 Process for producing formic acid by hydrothermal oxidation reaction with glycerol and their equipment |
| 02/07/2013 | US20130035505 Biphenyl Acetate, Preparation and Uses Thereof |
| 02/07/2013 | US20130034813 CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION FOR ArF IMMERSION LITHOGRAPHY AND PATTERN FORMING PROCESS |
| 02/06/2013 | EP2554534A1 Method for producing difluoroacetyl chloride |
| 02/06/2013 | EP2554268A1 Process for production of catalyst from recovered catalyst |
| 02/06/2013 | EP2553064A1 Method of treating tall oil pitch |
| 02/06/2013 | EP2553056A1 Process for the selective oxidation of carbon monoxide |
| 02/06/2013 | CN102918019A Process for purifying terephthalic acid |
| 02/06/2013 | CN102918018A Process for producing terephthalic acid |
| 02/06/2013 | CN102918017A Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid |
| 02/06/2013 | CN102918011A Processes for the production of tetrahydrofuran, gamma-butyrolactone and/or butanediol from salts of succinic acid |
| 02/06/2013 | CN102911351A Method for preparing dicarboxylic acid zinc catalyst with rheological phase reaction method |
| 02/06/2013 | CN102911067A L-carnitine pyruvate, and preparation method and application thereof |
| 02/06/2013 | CN102911039A Process for preparing 2,4-dichlorphenoxyacetic acid with high quality |
| 02/06/2013 | CN102911038A Preparation method of 2,2-dimethylolpropionic acid |
| 02/06/2013 | CN102911037A Recovery technology of phenylacetic acid |
| 02/06/2013 | CN102911036A Method for obtaining high pure dicarboxylic acid |
| 02/06/2013 | CN102911035A Method for preparing propionic acid from ethyl acetate through carbonylation |
| 02/06/2013 | CN102911034A New synthesis process of pharmaceutical adjuvant magnesium stearate |
| 02/06/2013 | CN102910778A Terylene alkali reduction water resource recovery process |
| 02/06/2013 | CN102910761A Extraction method for reducing emission of chemical oxygen demand (COD) in pure terephthalic acid (PTA) wastewater |
| 02/06/2013 | CN102909079A Methyl aromatics oxidation catalyst system |
| 02/06/2013 | CN102909029A Preparing method of catalyst for producing crylic acid |
| 02/06/2013 | CN102908843A Lead fume treatment method for lead-acid storage battery production process |
| 02/06/2013 | CN101973872B Synthetic process of 4-(4-chlorophenyl) cyclohexane-1-methanoic acid |
| 02/06/2013 | CN101811983B Preparation method of 2,3-diisopropyl-2-cyano diethyl succinate compound |
| 02/06/2013 | CN101811982B 2,3-diisopropyl-2.3-dicyano-diethyl succinate compound, preparation method and application thereof |
| 02/05/2013 | US8367864 Dimeric double metal salts of (−)-hydroxycitric acid, methods of making and uses of same |
| 02/05/2013 | US8367860 Efficiently using an aqueous solution of (meth)acrylic acid at a low concentration formed in a production/storage step of (meth)acrylic acid; (meth)acrylic acid in the aqueous solution can be used as a raw material for the derivative without disposing or circulating to a purification step |
| 02/05/2013 | CA2586527C Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 01/31/2013 | WO2013015874A2 Process for preparing a turbine oil comprising an ester component |
| 01/31/2013 | WO2013015212A1 Method for producing organic acid |
| 01/31/2013 | WO2013014236A1 Process for preparing a diamine/dicarboxylic acid salt |
| 01/31/2013 | WO2013013884A2 Process for nitrile removal from hydrocarbon feeds |
| 01/31/2013 | WO2013013709A1 Method for hydrolyzing alpha - chlorinated toluene compounds |
| 01/31/2013 | US20130030215 Methods for Producing Isomers of Muconic Acid and Muconate Salts |
| 01/31/2013 | US20130030214 Process for the preparation of adapalene and related compounds |