| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/14/2011 | EP2364287A2 Process for the preparation of non-genotoxic diacetylrhein (diacerein) and formulations comprising non-genotoxic diacetylrhein |
| 09/14/2011 | EP2364286A1 Method for the production of adipic acid |
| 09/14/2011 | EP2364212A1 Carbonylation process using bound silver and/or copper mordenite catalysts |
| 09/14/2011 | EP1732686B1 Process for producing an oxygen-containing compound using a palladium, tungsten and zirconium-based catalyst |
| 09/14/2011 | EP1507838B1 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 09/14/2011 | CN201971763U 一种氯乙酸母液综合利用生产装置 One kind of acid liquor utilization of production facilities |
| 09/14/2011 | CN1871201B Method of producing unsaturated aldehyde and/or unsaturated fatty acid |
| 09/14/2011 | CN102186961A Solubilizer for metal ions |
| 09/14/2011 | CN102180818A Preparation method of fumaric acid valnemulin |
| 09/14/2011 | CN102180789A Method for preparing aryloxycarboxylic acid technical |
| 09/14/2011 | CN102180788A Method for producing 2,4-dichlorphenoxyacetic acid |
| 09/14/2011 | CN102180787A Method for preparing 3,4,5-trimethoxymandelic acid |
| 09/14/2011 | CN102180786A Dextral ibuprofen arginine and preparation method thereof |
| 09/14/2011 | CN102180785A Synthesis and application of ibuprofen lysine |
| 09/14/2011 | CN102180784A Synthesis method of sodium acrylate |
| 09/14/2011 | CN102180783A Novel method for selectively separating rhodium (II) acetate from rhodium (II) acetate recrystallization waste liquor |
| 09/14/2011 | CN102180767A Method and device for jointly producing methanol, ammonia and acetic acid by using coal and natural gas |
| 09/14/2011 | CN102180754A Method for synthesizing phenolic compound |
| 09/14/2011 | CN102179261A Catalyst for preparing crylic acid from propane through selective oxidation and preparation method thereof |
| 09/14/2011 | CN102179059A Hydrolysis separation device of methyl acetate and process method thereof |
| 09/14/2011 | CN102179055A Film-wiping type calcium lactate evaporating process |
| 09/14/2011 | CN101602863B Environmental-friendly dust-free calcium-zinc composite heat stabilizer for PVC processing |
| 09/14/2011 | CN101365673B Method for high-purity terephthalic acid preparation |
| 09/14/2011 | CN101244998B Method for producing nonandioic acid, pelargonic acid by ozonization-oxidative decomposition of oleic acid |
| 09/14/2011 | CN101133013B Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component |
| 09/14/2011 | CN101107212B Method of producing unsaturated fatty acid |
| 09/13/2011 | US8017802 Control of impurities in reaction product of rhodium-catalyzed methanol carbonylation |
| 09/13/2011 | US8017793 producing a ketooleanolic acid that can be an intermediate for synthesis of pharmaceuticals; minimize the environmental pollution |
| 09/13/2011 | CA2619685C A process for the preparation of 2-chloro-3-(phenylmethoxy) propionic acid potassium salt |
| 09/13/2011 | CA2396937C Amides, useful in the inhibition of il-8-induced chemotaxis of neutrophils |
| 09/09/2011 | WO2011108730A1 Mononuclear metal complex, hydrogenation reduction catalyst, dehydrogenation catalyst, method for producing hydrogenation reduction product, method for producing hydrogen (h2), and method for producing dehydrogenation reaction product |
| 09/09/2011 | WO2011107721A1 Method for preparing carboxylic acids by oxidative cleavage of a vicinal diol |
| 09/09/2011 | CA2791834A1 Production of ethylenically unsaturated carboxylic acid salts by the carboxylation of alkenes |
| 09/09/2011 | CA2791010A1 Method for preparing carboxylic acids by oxidative cleavage of a vicinal diol |
| 09/08/2011 | US20110218359 Preparation of ethylenically unsaturated carboxylic salts by carboxylation of alkenes |
| 09/08/2011 | US20110218356 Carbonylation process catalysed by mordenite supported on inorganic oxides |
| 09/08/2011 | US20110218353 Fluorovinyl ether functionalized aromatic diesters, derivatives thereof, and process for the preparation thereof |
| 09/08/2011 | US20110218350 Glyceryl ether compounds and their use |
| 09/08/2011 | US20110217721 Water soluble fluorescent quantum carbon dots |
| 09/08/2011 | DE102010002603A1 Producing mono- and dicarboxylic acids, useful in pharmaceutical and plastic industries, comprises oxidatively splitting oxidized derivatives of vegetable oil or fat with molecular oxygen or air using gold-containing catalyst and solvent |
| 09/07/2011 | EP2363204A2 Oxidation system with internal secondary reactor |
| 09/07/2011 | EP2363203A1 Reaction method using heat-exchange type reactor, and method for charging fillers in plate reactor |
| 09/07/2011 | EP2229235B1 Carbonylation process with in situ regeneration of mordenite catalyst |
| 09/07/2011 | CN201959641U 柠檬酸洗酸工序洗水利用装置 Citric acid wash step of washing the use of device |
| 09/07/2011 | CN1608074B P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 09/07/2011 | CN102177129A Method for preparing ammonium salts of fumaric or succinic acid |
| 09/07/2011 | CN102177128A Method for preparing succinic acid |
| 09/07/2011 | CN102177127A Process and apparatus for recovery of acetic acid from a feed stream containing the corresponding ester |
| 09/07/2011 | CN102176966A Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons |
| 09/07/2011 | CN102174633A Method for splitting ibuprofen |
| 09/07/2011 | CN102174061A Novel method for synthesizing 4-carboxybutyl triphenyl phosphonium bromide |
| 09/07/2011 | CN102173988A Purification method of 6-hydroxyl-2-naphthoic acid |
| 09/07/2011 | CN102173987A New manchurian walnut bark acid and derivatives thereof, and preparation methods and medical application thereof |
| 09/07/2011 | CN102173986A 2,4-D pesticide production waste water pretreatment method |
| 09/07/2011 | CN102173985A Method for preparing alkyl ether carboxylate |
| 09/07/2011 | CN101831140B Nucleating agent for preparing polylactic acid and application thereof |
| 09/07/2011 | CN101703946B Copolymer-iridium catalyst used for preparing acetic acid through carbonylation reaction |
| 09/07/2011 | CN101417939B Method for preparing caprylic-1-<13>C |
| 09/07/2011 | CN101407454B Process for preparing citrate salt from mother liquor for citric acid production |
| 09/07/2011 | CN101381298B Method for preparing conjugate linolic acid using idesia polycarpa maxim. var. vestita diels oil |
| 09/07/2011 | CN101357885B Method for synthesizing sodium succinate through solid phase reaction |
| 09/07/2011 | CN101284774B Process for preparing glyceric acid by one-step of direct catalytic oxidation with oxygen |
| 09/07/2011 | CN101041135B Method for the selective production of acetic acid by catalytic oxidation of ethane and/or ethylene |
| 09/06/2011 | US8013185 Method for preparing unsaturated aldehyde and/or unsaturated fatty acid using fixed-bed catalytic partial oxidation reactor |
| 09/06/2011 | US8012354 Extraction and winterization of lipids from oilseed and microbial sources |
| 09/06/2011 | CA2511727C Process for the preparation of diphenic acid |
| 09/01/2011 | WO2011105521A1 Metal complex, and adsorbent, occlusion material and separator material made from same |
| 09/01/2011 | WO2011077140A3 Method of producing acrylic and methacrylic acid |
| 09/01/2011 | WO2011040766A3 Preparation method of 1,4-disubstituted cyclohexane derivatives |
| 09/01/2011 | US20110213183 Method for preparing succinic acid |
| 09/01/2011 | US20110213182 Process for the manufacture of fluorosurfactants |
| 09/01/2011 | US20110213181 Process for production of terephthalic acid |
| 09/01/2011 | US20110213180 Process for production of isophthalic acid |
| 09/01/2011 | US20110213174 Process for manufactguring acrolein from glycerol |
| 09/01/2011 | US20110213112 Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan |
| 09/01/2011 | CA2788961A1 Metal complex, and adsorbent, occlusion material and separator material made from same |
| 08/31/2011 | EP2361901A1 Control method for process of removing permanganate reducing compounds from methanol carbonylation process |
| 08/31/2011 | EP2361900A2 Method for producing glycolic acid |
| 08/31/2011 | EP2361899A2 Vapor phase catalytic oxidation method using a multitube reactor of the heat-exchange type |
| 08/31/2011 | EP2361676A1 Process and apparatus for neutralizing tall oil soap |
| 08/31/2011 | EP1648851B2 Preparation of metal salts of medium-chain fatty acids |
| 08/31/2011 | EP1544190B1 Method for producing carboxylic acids |
| 08/31/2011 | EP1453583B1 Extraction and winterization of lipids from biomass |
| 08/31/2011 | CN201952381U 甲酸钠法生产甲酸的芒硝收集装置 Sodium formate production of thenardite collection device |
| 08/31/2011 | CN102171174A Control of a process for the purification of (meth) acrylic acid using on-line, near ir analysis |
| 08/31/2011 | CN102167664A Fluorine-containing rare earth salt and applications thereof |
| 08/31/2011 | CN102167663A Method for synthesizing acetic acid through iridium catalysis and carbonylation |
| 08/31/2011 | CN102166531A A catalyst system for acetic acid synthesis through methanol carbonylation and an application of the catalyst system |
| 08/31/2011 | CN102166018A Method of stabilizing 1,4-dihydroxy-2-naphthoic acid |
| 08/31/2011 | CN101612551B Preparation of medical sodium benzoate |
| 08/31/2011 | CN101475464B Method for separating and extracting amber acid from amber acid fermentation liquor by nanofiltration |
| 08/31/2011 | CN101429112B Method for distillation separation of mixture of nervonic acid and erucic acid from acer truncatum oil |
| 08/31/2011 | CN101357884B Method for preparing symmetrical acid anhydride |
| 08/31/2011 | CN101337880B Process for extracting alpha-linolenic acid |
| 08/31/2011 | CN101157611B Polychlorinated biphenyl (PCBs) homologue semiantigen and preparation method thereof |
| 08/25/2011 | WO2011103277A1 Vapor compressions steam stripping |
| 08/25/2011 | WO2011102480A1 Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in terephthalic acid production process |
| 08/25/2011 | WO2011102479A1 Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in aromatic carboxylic acid production process |
| 08/25/2011 | WO2011102268A1 Method for producing semiconductor gas |
| 08/25/2011 | WO2011101604A1 Method for preparing chemical compounds of interest by nucleophilic aromatic substitution of aromatic carboxylic acid derivatives supporting at least one electro-attractive group |