Patents
Patents for C07C 55 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms (3,355)
05/2012
05/23/2012CN101423478B Method for producing hexane diacid and hexanediamine by using nylon-66 disaggregation
05/22/2012US8183409 High yield and rapid synthesis methods for producing metallo-organic salts
05/17/2012US20120123085 Processes for preparing diacids, dialdehydes and polymers
05/16/2012CN102452923A Method for catalytically oxidizing lactone
05/16/2012CN102452922A Production method of dicarboxylic acid
05/16/2012CN102452921A Method for preparing dicarboxylic acid
05/16/2012CN102452918A Method for preparing corresponding dicarboxylic acid by catalytic oxidation of hydroxy acid
05/16/2012CN102452917A Method for catalytically oxidizing hydroxy acid
05/16/2012CN102452895A Method for catalyzing cycloalkane by utilizing Sn-containing Ti-Si molecular sieve
05/16/2012CN102452894A Method for catalytic oxidation of cyclic ketone by nanometer Beta molecule sieve
05/16/2012CN102452893A Method for oxidizing cyclic ketone by utilizing zinc-supported Beta molecular sieve
05/16/2012CN102452872A Reaction method for catalyzing cyclic ketone by total silicone molecular sieve
05/16/2012CN102452871A Method for catalytic oxidation of cyclic ketone
05/16/2012CN102452870A Method for catalytically oxidizing cyclic olefin
05/16/2012CN102452869A Method for catalytically oxidizing cyclic ketone
05/16/2012CN102451733A Method of catalytic oxidization of cyclic ketone by using tin supported molecular sieve
05/15/2012US8178470 Adducts of amines and polycarboxylic acids, and filter media comprising such adducts
05/09/2012EP2448663A2 Device for continuously carrying out chemical reactions at high temperatures
05/09/2012CN1927805B Process and apparatus of preparing sodium oxalate by superheated steam ejecting mixing fast heating-up continuous dehydrogenation
05/09/2012CN102448603A Device for continuously carrying out chemical reactions at high temperatures
05/09/2012CN102442898A Method for synthesizing adipic acid
05/09/2012CN102108059B Method for synthesizing doxylamine succinate
05/03/2012WO2011155797A3 Hemioxalate salt of crystalline o-desmethylvenlafaxine, preparation method thereof, and pharmaceutical composition thereof
05/03/2012US20120108419 Absorbent core
05/03/2012US20120102826 Diesel fuel additive
05/02/2012CN102432454A Barium titanyl oxalate particle, method for preparing the same and method for preparing barium titanate
05/02/2012CN102430404A Catalytic agent for synthesizing succinic acid through maleic acid hydrogenation and preparation method thereof
04/2012
04/26/2012WO2012051774A1 Process for salting out and extracting organic acid from fermentation broth
04/25/2012EP2443082A1 Method for producing crystals of adipic acid
04/18/2012EP2441793A1 Highly active beta-nucleation additive for polypropylene
04/18/2012EP2441792A1 Highly active beta-nucleating agent for polypropylene
04/18/2012EP2441747A1 Method for preparation of dicarboxylic acids from linear or cyclic saturated hydrocarbons by catalytic oxidation
04/18/2012EP2440515A1 Production of adipic acid and derivatives from carbohydrate-containing materials
04/18/2012EP2440513A2 Production of glutaric acid and derivatives from carbohydrate-containing materials
04/18/2012CN102417445A 一种由马来酸合成丁二酸的方法 One kind of succinic acid from maleic acid synthesis method
04/18/2012CN101462942B 利用酸洗废液生产高纯电池级草酸亚铁的方法 The use of pickling waste production of high purity battery grade ferrous oxalate method
04/05/2012WO2012044168A1 Succinic acid from biomass
04/04/2012EP1338336B1 Use of catalysts comprising n-substituted cyclic imides for preparing organic compounds
03/2012
03/28/2012CN102391099A Method and equipment for producing sodium oxalate through continuous dehydrogenation by two-fluid spraying
03/22/2012US20120071528 Methods and compositions for treatment of diabetes and dyslipidemia
03/21/2012CN102388017A A method of synthesising an amino acid derivative of azelaic acid
03/21/2012CN102381958A Ammonia circulative preparation method for cobaltous oxalate
03/21/2012CN102381931A Method for oxidizing cyclohexanone
03/14/2012CN102372622A New technology for extracting adipic acid from diacid mixed solution
03/08/2012US20120058925 Water-soluble processing oil agent
03/06/2012US8129550 Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan
02/2012
02/29/2012CN102363594A Method for separating and purifying succinic acid from fermentation broth
02/29/2012CN101088980B Two-stage gas flow-fluidized bed drying process and apparatus with nitogen circulated adipic acid and overheated steam
02/22/2012CN102358716A Method of extracting succinic acid from fermentation broth
02/21/2012US8119838 Conversion of nitrile compounds into carboxylic acids and corresponding esters thereof
02/16/2012US20120041219 Double esters and lubricants thereof
02/15/2012EP2417089A2 Method for producing 1,6-hexanediol and caprolactone
02/15/2012CN102351682A Preparation method for sebacic acid
02/08/2012EP2231577B1 Cyclohexanone production process with multiple post-distillation
02/08/2012EP1720814B1 Process for recovering organic compounds from aqueous streams containing same
02/08/2012CN102344358A Method for preparing C2-C11 organic acid by taking tung oil as raw material
02/08/2012CN102344357A Preparation method of high purity superfine ferrous oxalate
02/08/2012CN102344356A Battery grade nano ferrous oxalate, its preparation method and application
02/08/2012CN102342927A Method for extracting silkworm chrysalis extract
02/02/2012WO2012016189A1 Biomass liquefaction processes, and uses of same
02/01/2012EP2294046B1 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
02/01/2012CN102336733A Method of catalytic oxidation of cyclohexane
02/01/2012CN102336729A Preparation method for escitalopram oxalate
02/01/2012CN102336649A Method for recovering glutaric acid in 7-ACA waste solution
02/01/2012CN102336648A Method for recovering glutaric acid from 7-ACA waste liquid
02/01/2012CN102336647A Application of AK sugar crystal mother liquor and method for preparing sylvite by crystal mother liquor
02/01/2012CN102336646A Preparation method of ferrous oxalate
02/01/2012CN102335624A Method for preparing caprolactone and adipic acid
01/2012
01/31/2012US8106239 Low VOC coalescing agents
01/26/2012WO2012010842A1 Method for the oxidation of unsaturated organic compounds
01/26/2012US20120022371 Compositions and methods for detecting and treating tumors containing acidic areas
01/26/2012DE112009002088T5 Verfahren zur Herstellung von Ammoniumsalzen der Fumar- oder Bernsteinsäure Process for the preparation of ammonium salts of fumaric acid or succinic acid
01/25/2012EP2409962A1 A one-pot method for the oxidation of unsaturated organic compounds
01/25/2012CN102329224A Method for purifying dodecanedioic acid
01/25/2012CN102329223A Method for preparing adipic acid through one-step oxidation of cyclohexane and catalyst used in method
01/25/2012CN102329222A Method for oxidizing cyclohexane to prepare hexane diacid through one-step method and catalyst used by same
01/25/2012CN102329212A Refining method for long-chain binary acid
01/25/2012CN102329211A C12-C13 long-chain binary acid refining method
01/25/2012CN101417941B Method for preparing ferrous oxalate hydrous salt crystal
01/18/2012CN102325746A Reactive extraction of free organic acids from ammonium salts thereof
01/18/2012CN102321680A Dihydric alcohol and organic acid co-production and separation method
01/18/2012CN102320952A Preparation method of barium oxalate hydrate microcrystal with firewood morphology
01/18/2012CN101736357B Method for continuous electrolytic synthesis of butanedioic acid
01/17/2012CA2440577C Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents
01/11/2012CN102317247A Method for producing oxygen-containing compound
01/11/2012CN102311332A Method for producing succinic acid
01/11/2012CN102311195A Recycling utilization and processing method for wastewater generated in sebacic acid production process
01/04/2012EP2046710B1 Process for alkaline hydrolysis of carboxylic acid derivatives to carboxylic acids
01/04/2012CN102030373B Method for preparing potassium permanganate and recovering cobalt and lithium by using waste batteries
12/2011
12/29/2011WO2011160760A1 Process for removing, isolating and purifying dicarboxylic acids
12/29/2011WO2011107577A3 Modified zinc salts of c4-8-alkane dicarboxylic acids and use thereof as polymerization catalysts
12/29/2011DE202011108063U1 Wasserlösliche organische Säuren natürlichen Ursprungs Water-soluble organic acids of natural origin
12/29/2011DE102010025167A1 Verfahren zur Abtrennung, Gewinnung und Reinigung von Bernsteinsäure Process for the separation, recovery and purification of succinic acid
12/29/2011CA2802951A1 Process for the separation, recovery and purification of dicarboxylic acids
12/28/2011EP2399897A1 Method for producing oxygen-containing compound
12/28/2011EP2398758A1 Reactive extraction of free organic acids from ammonium salts thereof
12/28/2011EP2398757A1 Method for producing a free acid from the salt thereof
12/22/2011WO2011159557A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
12/22/2011WO2011158918A1 Polynuclear metal compound
12/22/2011CA2800789A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
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