Patents
Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057)
03/2013
03/13/2013CN102964197A Decoloration treatment method of amino acid hydrolysate
03/13/2013CN101443294B System for direct-oxygenation of alkane gases
03/12/2013CA2593400C Means for controlling the exothermic reaction of styrenic monomers with sulfonic acids
02/2013
02/27/2013CN102942432A Refining method of polyphenol substance and use of polyphenol substance extracted by the refining method
02/21/2013WO2013023533A1 Sublimation purification method of small organic molecules
02/19/2013US8378141 Process and system for supplying vapor from drying column to light ends column
02/13/2013EP2556041A1 Process for refining chemicals from pulp and paper mill wastewaters
02/13/2013CN102924207A Organic micromolecule sublimation purifying method
02/06/2013EP2552872A2 Tetramer production apparatus and process relating thereto
02/06/2013CN102918019A Process for purifying terephthalic acid
02/06/2013CN102918018A Process for producing terephthalic acid
02/06/2013CN102911891A Pseudomonas aeruginosa capable of secreting fluorescent iron carrier and application thereof
01/2013
01/31/2013WO2013016557A2 Methods of isolating 4-chloro-2-fluoro-3-substituted-phenylboronic acids
01/31/2013CA2842696A1 Methods of isolating 4-chloro-2-fluoro-3-substituted-phenylboronic acids
01/30/2013EP2551254A1 Butanol manufacturing method
01/29/2013US8362062 Pharmaceutical compositions with improved dissolution
01/24/2013WO2012161529A3 Apparatus and method for activating a polar solvent
01/23/2013CN101516808B Improved membrane separation process using mixed vapor-liquid feed
01/22/2013CA2558164C Process and system for separation of organic charged compounds
01/17/2013WO2012087690A3 Methods for removing unsaturated aliphatic hydrocarbons from a hydrocarbon stream using clay
01/16/2013CN102875552A Composite solvent for efficiently extracting alkaloids
01/09/2013EP2542336A2 High shear system and process for the production of halogenated and/or sulfonated paraffins
01/09/2013CN202654743U Novel condenser device for recycling phenol in phenol hydroxylation solution and by-producing steams
01/03/2013WO2012145188A3 PROCESS FOR PRODUCING TRANS-1233zd
01/02/2013EP1299308B1 Chemical extraction process
01/02/2013CN102850278A Method for decoloring imidazole anthelmintics
12/2012
12/12/2012CN101495428B Process for working up solvent-containing hydrogenation product mixtures
12/06/2012WO2012166238A1 Method for producing triacetin from tobacco
12/06/2012WO2012165676A1 A method for preparation of anhydrosugar alcohols
12/05/2012CN102811988A Tetramer production apparatus and process relating thereto
12/05/2012CN102807464A Method for extracting and dehydrating ethylene-amine raw product
11/2012
11/29/2012WO2012161529A2 Apparatus and method for activating a polar solvent
11/28/2012CN102803190A Butanol manufacturing method
11/22/2012WO2012125276A3 Improved methods for producing bioderived propylene glycol
11/22/2012WO2012092253A3 Glycerides and fatty acid mixtures and methods of using same
11/15/2012US20120289695 Production of organic materials using oxidative hydrothermal dissolution method
11/14/2012CN102781900A Purification of succinic acid from the fermentation broth containing ammonium succinate
11/08/2012WO2012116311A3 Methods of metal extraction from ammoniacal solutions using oximes
11/08/2012WO2012106588A3 Isocyanate manufacture
11/07/2012EP2519491A2 Purification of succinic acid from the fermentation broth containing ammonium succinate
11/07/2012CN102766006A Method and device for recycling organic mixed waste liquor
10/2012
10/31/2012CN102762533A Switchable hydrophilicity solvents and methods of use thereof
10/26/2012WO2012145188A2 PROCESS FOR PRODUCING TRANS-1233zd
10/26/2012WO2012144613A1 Method for producing complex crystal and method for screening complex crystal
10/23/2012US8293932 Process for extracting a substance or a substance group from a mixture
10/18/2012WO2012115422A3 Method for preparing a glycol mono-tertiary-butylether compound
10/17/2012EP2509637A2 Purification method
10/17/2012CN102741205A Converting co2, to an alcohol
10/11/2012WO2012137741A1 Method for purifying organic material, material for organic electronics, photoelectric conversion element, optical sensor, imaging element, and organic electroluminescent element
10/10/2012EP2507196A2 Converting co2, to an alcohol
10/10/2012CN102725249A Preparation and purification of iodixanol
10/10/2012CN101189203B Ortho-nitrosophenols as polymerization inhibitors
10/09/2012US8283385 Reversibly switchable surfactants and methods of use thereof
10/09/2012CA2682143C Method for extracting secoisolariciresinol and dihydroquercetin from wood
10/04/2012WO2012091396A3 Dividing wall column for producing high-purity neopentyl glycol, and manufacturing method using same
10/03/2012EP2504298A1 Preparation and purification of iodixanol
09/2012
09/25/2012CA2657245C Compositions, methods and uses for sterically hindered quaternary ammonium compounds
09/20/2012WO2012125276A2 Improved methods for producing bioderived propylene glycol
09/20/2012CA2828880A1 Improved methods for producing bioderived propylene glycol
09/18/2012CA2466935C Method for preparing a composition containing at least an internal dehydrating product of a hydrogenated sugar
09/05/2012EP2493849A1 Switchable hydrophilicity solvents and methods of use thereof
08/2012
08/30/2012WO2012116311A2 Methods of metal extraction from ammoniacal solutions using oximes
08/30/2012WO2012115422A2 Method for preparing a glycol mono-tertiary-butylether compound
08/22/2012EP1867373B1 Method for crystallization of paraxylene through adiabatic cooling
08/21/2012US8246858 Process for inhibiting polymerization of an aromatic vinyl compound
08/14/2012US8242265 Purification process comprising dissolving an organic compound in carbonated water and freeze-drying
08/09/2012WO2012106588A2 Isocyanate manufacture
07/2012
07/25/2012CN102603450A Continuous extraction method of amino acid and pectin in watermelon peel
07/25/2012CN101773785B Method for concentrating ion liquid by electrodialysis
07/24/2012CA2698699C High gradient magnetic separation of biological material
07/19/2012WO2012071150A3 Production of aromatic carboxylic acids
07/19/2012WO2012065115A3 Ketocarboxylic acids, ketocarboxylic esters, methods of manufacture and uses thereof
07/18/2012CN102596926A Process and system for purification of tetrahydrofuran
07/18/2012CN101547735B Method of separating target substance according to membrane separation and apparatus therefor
07/17/2012CA2546138C Extraction of phytochemicals
07/11/2012CN202315458U 一种用于氨基酸生产的活性炭过滤装置 An activated carbon filter means for amino acid production
07/11/2012CN102558463A One-pot synthesis phenylboronic acid polymer magnetic nano composite material and preparation method and application thereof
07/11/2012CN102553289A Method of purifying ionic liquids
07/11/2012CN101505844B Extraction process
07/05/2012WO2012092253A2 Glycerides and fatty acid mixtures and methods of using same
07/05/2012WO2012091396A2 Dividing wall column for producing high-purity neopentyl glycol, and manufacturing method using same
07/05/2012CA2823309A1 Glycerides and fatty acid mixtures and methods of using same
07/04/2012CN102548939A Process for removing nitrogen compounds from a hydrocarbon stream
07/04/2012CN102532176A Ammonium oxalyldifluoro borate electrolyte and preparation method and purification method thereof
07/04/2012CN102527356A Liquid chromatogram silica gel stationary phase and preparation method and application thereof
07/04/2012CN101865611B Observation window structure for organic light emitting material sublimation purification device
07/04/2012CN101073587B Method for separating and extracting Chinese Thorowax Root
06/2012
06/28/2012WO2012087690A2 Methods for removing unsaturated aliphatic hydrocarbons from a hydrocarbon stream using clay
06/28/2012WO2012086191A1 Process for production of concentrated glycerin
06/27/2012CN102516003A Methods for the purification of radiolabelled products using a solid-support scavenger
06/27/2012CN101214278B New raw material for extracting fructus schizandrae total lignans and preparation technique and use
06/21/2012WO2012080277A1 Compressor and method for compressing technical gases
06/20/2012CN102503756A Method for extracting natural compound containing hydroxyl or/and carboxyl
06/20/2012CN101248027B Continuous crystallisation process of iodinated phenyl derivatives
06/14/2012WO2012076697A1 Radiotracer compositions
06/14/2012CA2820387A1 Radiotracer compositions
06/13/2012EP2463525A1 Compressor and method for compressing technical gases
06/13/2012CN102489054A Active carbon filter plant for producing amino acid
06/07/2012US20120138449 Method of removing sulfur from crude oil and diesel using ionizing radiation
06/05/2012US8192996 Method for storing tetrazolium compound, stabilizer used in the same, and tetrazolium compound reagent solution using the method
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