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