| 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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| 08/19/2009 | CN101511441A Method of purifying ionic liquids |
| 08/18/2009 | US7576245 Using a fluorinated phenyl compound containing electrophilic and nucleophilic groups; increasing the fluorous nature of an organic compound; 4-(1H,1H,2H,2H-Perfluorodecyl)benzenesulfonamide; N-[4-(1H,1H,2H,2H-perfluorodecyl)benzyloxycarbonyloxy]succinimide |
| 08/18/2009 | US7575660 energy efficient purification of toluenediamines; free of water |
| 08/18/2009 | CA2466999C Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 08/13/2009 | DE102008007431A1 Verbessertes Verfahren zur heterogen katalysierten Veresterung von Fettsäuren An improved process for the heterogeneously catalyzed esterification of fatty acids |
| 08/11/2009 | CA2404834C Recovery of compounds using a natural adsorbent |
| 08/11/2009 | CA2174060C Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 08/05/2009 | CN101497595A Method of stabilizing macrolide compound |
| 07/30/2009 | WO2009092912A1 Method for the preparation of morphine compounds |
| 07/30/2009 | CA2705251A1 Method for the preparation of morphine compounds |
| 07/29/2009 | CN101495428A Process for working up solvent-containing hydrogenation product mixtures |
| 07/22/2009 | EP2079673A1 Processing of solid brominated aromatic organic compounds containing occluded bromine |
| 07/22/2009 | EP2003106A4 Method for producing a dearomatised colourless oil from naphthalane oil |
| 07/15/2009 | EP1196227B1 Method for using laser light to control crystal form |
| 07/08/2009 | CN100509816C Method for preparing a composition containing at least an internal dehydrating product of a hydrogenated sugar |
| 07/08/2009 | CN100509734C Solvents containing cycloalkyl alkyl ethers and process for production of the ethers |
| 07/08/2009 | CN100509713C Method for preparing water-soluble bee glue product and use thereof |
| 06/30/2009 | US7553406 Process for removing polar impurities from hydrocarbons and mixtures of hydrocarbons |
| 06/25/2009 | WO2009078394A1 4-hydroxyphenylalkylamine derivative |
| 06/25/2009 | WO2009078340A1 Method for producing alcohol, method for producing hydrogen or synthetic gas using the method for producing alcohol, and alcohol |
| 06/25/2009 | WO2009076743A1 Preparations containing amino acids and orotic acid |
| 06/25/2009 | DE102008061611A1 Stabilizing water-aromatic solvent mixtures, e.g. quenching mixtures from acetylene production, by adding N-oxyl, aromatic or aliphatic amine or phenol as polymerization inhibitor |
| 06/23/2009 | CA2331396C Method for stabilizing unsaturated organic compounds from polymerization |
| 06/16/2009 | US7547761 For isolating low molecular weight peptides from animal tissue; prevention of initial dissolution of higher molecular weight fraction proteins by in situ denaturation within the tissue, by an organic solvent (preferably ethanol), prior to aqueous extraction |
| 06/16/2009 | CA2379934C Inhibition of polymerization of ethylenically unsaturated monomers |
| 06/10/2009 | EP2066416A2 Method of purifying ionic liquids |
| 06/10/2009 | CN100496693C Method for the production of particles |
| 06/03/2009 | EP2063985A2 Ionic additive for catalysis in biphasic reaction systems |
| 06/02/2009 | CA2349633C A process for producing particles with a converted amorphous and/or meta-stable crystalline region into crystalline state |
| 05/28/2009 | WO2009027250A3 Distillation of ionic liquids |
| 05/28/2009 | DE102007056926A1 Verfahren und Anlage zur Aufreinigung von ungesättigten Verbindungen Process and apparatus for the purification of unsaturated compounds |
| 05/27/2009 | CN101443294A System for direct-oxygenation of alkane gases |
| 05/27/2009 | CN101440012A Method for purifying alpha-oxo-carboxyl acid |
| 05/27/2009 | CN100491332C Process for separation of aqueous amine solutions by distillation |
| 05/20/2009 | EP2059491A1 Method for the purification of radiolabelled compounds |
| 05/13/2009 | EP1265832B1 Separation of reaction products containing organophosphorus complexes |
| 05/13/2009 | CN100487115C Apparatus for purifying nucleic acid and method of purifying nucleic acid |
| 05/07/2009 | DE102007052891A1 Verfahren zur Stabilisierung von olefinisch ungesättigten Monomeren A process for the stabilization of olefinically unsaturated monomers |
| 05/07/2009 | DE102007052065A1 Kontinuierliches Verfahren zur heterogen katalysierten Veresterung von Fettsäuren A continuous process for the heterogeneously catalyzed esterification of fatty acids |
| 05/07/2009 | DE102007052064A1 Reducing content of free fatty acids, useful for biodiesel production, comprises reacting fatty acids with an alcohol under use of ion-exchange-resin catalyst, separating water and alcohol and further reacting fatty acids with alcohol |
| 05/06/2009 | CN101423449A Method for stabilising olefinically unsaturated monomers |
| 04/29/2009 | EP2051788A1 Extraction process using an ionic liquid |
| 04/15/2009 | EP2046702A1 Process for working up solvent-containing hydrogenation product mixtures |
| 04/09/2009 | US20090090614 Thermophoretic fractionalization of small particles |
| 04/09/2009 | DE102008012336A1 Trennung von geladenen soluten durch elektrostatische Abstossungs-/hydrophile Interaktionschromatographie Absolute separation of charged electrostatic repulsion / hydrophilic interaction |
| 04/08/2009 | CN100475753C Use of plant extract of anoectochilus formosanus and fraction originating from the same as galenicals or dietary supplement for chemical defense or treatment of human malignant lesion |
| 04/02/2009 | DE10032137B4 Verfahren zur Herstellung von Phenothiazin-Granulat mit verbesserten Eigenschaften Process for the preparation of phenothiazine granules having improved properties |
| 04/01/2009 | EP2041048A1 Improved membrane separation process using mixed vapor-liquid feed |
| 03/19/2009 | US20090076303 Process for selective reduction of propionic acid from (meth)acrylic acid product streams |
| 03/18/2009 | EP2035355A1 Method for producing dienes by hydrodimerization |
| 03/12/2009 | WO2009032983A1 Azeotropic and azeotrope-like compositions of e-1,1,1,4,4,5,5,5-octafluoro-2-pentene |
| 03/12/2009 | CA2695229A1 Azeotropic and azeotrope-like compositions of e-1,1,1,4,4,5,5,5-octafluoro-2-pentene |
| 03/11/2009 | CN101380344A Method for extracting total effective parts in mixture of angelica and ligusticum wallichii rhizome by supercritical carbon dioxide gradient |
| 03/05/2009 | WO2009027250A2 Distillation of ionic liquids |
| 03/04/2009 | EP2030963A2 Derivatives of 1-oxyl-4-hydroxy-or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers |
| 03/04/2009 | EP1725323A4 Process and system for separation of organic charged compounds |
| 03/04/2009 | EP1230226B1 Melamine purification process |
| 02/25/2009 | CN100463902C Natural wolfberry beta carotene and production method |
| 02/24/2009 | US7494962 cleaning solvent for electronic parts, precision machinery components; extraction solvent |
| 02/18/2009 | CN100462081C Preparing method for intermediate of perennial sowthistle |
| 02/17/2009 | CA2384440C Method for separating lactone-containing high-molecular weight compounds |
| 02/11/2009 | CN101362667A Sulfur removal technology for benzene hydrogenation system |
| 02/11/2009 | CN100460366C Cimicifuga rhizome organic acid extraction method and novel uses |
| 02/10/2009 | CA2391401C Method for the production of particles |
| 02/05/2009 | US20090032389 Process for the mild distillative separation of mixtures |
| 02/05/2009 | DE102008040340A1 Verfahren zum reinigenden Abtrennen von Acrylsäure-, Methacrylsäure-, N-Vinylpyrrolidon- oder p-Xylol-Kristallen aus ihrer Suspension in Mutterlauge A method for purifying removal of acrylic acid, methacrylic acid, N-vinylpyrrolidone or p-xylene crystals from their suspension in mother liquor |
| 02/01/2009 | CA2638158A1 Extracts rich in proanthocyanidins and relating process of preparation |
| 01/29/2009 | DE102007035250A1 Verfahren zum Abtrennen von nicht-proteinhaltigen Biomolekülen, insbesondere Nukleinsäuren aus proteinhaltigen Proben A method for separating non-proteinaceous biomolecules, in particular nucleic acids from protein-containing samples |
| 01/29/2009 | DE10038747B4 Verfahren zur Reinigung von Alkenylverbindungen A process for purifying alkenyl |
| 01/22/2009 | US20090023933 Method for isolating acids from chemical reaction mixtures by using 1-alkylimidazoles |
| 01/20/2009 | CA2384130C Treatment of extraction solvent to remove acid contaminants |
| 01/20/2009 | CA2235797C Process for purification of almost completely anhydrous organic liquids |
| 01/20/2009 | CA2174061C 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 01/15/2009 | WO2009008303A1 Process for production of optically active mirtazapine |
| 01/15/2009 | WO2009007813A1 Improved process for the treatment of retentate in a melamine production plant |
| 01/14/2009 | CN100451126C Process for separating protein, apple polyphenol, apple starch and pigment from apple juice |
| 01/08/2009 | WO2009005005A1 Composite material and method for production thereof |
| 01/08/2009 | DE102008002927A1 Gemische, enthaltend Inhibitoren der radikalischen Polymerisation und ionische Flüssigkeiten, und ihre Verwendung zur Stabilisierung von radikalisch polymerisierbaren Monomeren Mixtures containing inhibitors of free radical polymerization and ionic liquids and their use for stabilization of free-radically polymerizable monomers |
| 01/07/2009 | EP2011807A1 Method for purifying -methylstyrene, and heat-resistant styrene copolymer using the -methylstyrene |
| 01/07/2009 | CN100448818C Method for extracting and method for purifying effective substance |
| 01/06/2009 | US7473795 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
| 01/06/2009 | CA2348084C Crystallisation using supercritical or subcritical fluids |
| 12/24/2008 | EP1095006B1 Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers |
| 12/18/2008 | US20080312421 Use of A33 antigens and JAM-it |
| 12/18/2008 | US20080312125 Solvents containing cycloalkyl alkyl ethers and process for production of the ethers |
| 12/18/2008 | US20080308408 Method for increasing an amount of effective constituents from a plant in a solvent |
| 12/17/2008 | EP2001877A1 Method for extracting target alkaloid using an ionic liquid as extracting solvent |
| 12/17/2008 | EP0989105B1 Process for producing aromatic compounds via treatment with supercritical water |
| 12/17/2008 | CN101326144A Reversibly switchable surfactants and methods of use thereof |
| 12/11/2008 | WO2008023171A3 Ionic additive for catalysis in biphasic reaction systems |
| 12/10/2008 | CN100441617C Ursodeoxycholic acid molecular imprinting polymer and its preparing method |
| 12/10/2008 | CN100441551C C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 12/04/2008 | WO2008146316A1 Purif ication procedure for the preparation of the radioactive tracer 3' -deoxy-3' - [18f] luorothymidine ( [18f] flt) |
| 12/04/2008 | CA2689275A1 Purification procedure for the preparation of the radioactive tracer 3'-deoxy-3'-[18f] fluorothymidine ([18f]flt) |
| 12/03/2008 | CN101314578A Method for improving stability of benzoxy-formaldimine hydrochlorate in packaging and transmitting process |
| 12/02/2008 | CA2337032C Derivatives of 1-oxyl-4-hydroxy- or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers |
| 11/26/2008 | CN100436407C Preparation of piper laetispicum effective part and its use in medical therapy and health field |
| 11/26/2008 | CN100436386C Improved metal-ligand complex catalyzed processes |
| 11/20/2008 | WO2008140023A1 METHOD FOR PRECIPITATING α-CRYSTALS OF GLUTAMIC ACID |
| 11/20/2008 | DE102007023491A1 Nanoscale hollow spheres having a specific range of outer diameter, inner diameter and wall thickness, useful as building material, filling material or construction material, as a radiopaque material in the ultrasound investigations |