| 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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| 04/26/2001 | WO2001028960A1 A recombinant urushi lacquer and a process for preparing the same |
| 04/26/2001 | WO2001028651A1 Treatment of extraction solvent to remove acid contaminants |
| 04/26/2001 | DE19931727A1 New stable diazonium salt, immobilized on solid phase, useful as linker or scavenger for amino compounds during synthesis of biologically active compounds |
| 04/17/2001 | US6217771 Ion exchange treatment of extraction solvent to remove acid contaminants |
| 04/12/2001 | WO2001025173A1 Treatment of mixtures that contain at least one compound with at least one ethylenically unsaturated group |
| 04/12/2001 | WO2001025172A1 A method for preparing and screening one or more compounds |
| 04/12/2001 | DE19947868A1 Verfahren der chemischen und/oder physikalischen Behandlung von Gemischen, die wenigstens eine chemische Verbindung mit wenigstens einer ethylenisch ungesättigten Gruppe enthalten Methods of chemical and / or physical treatment of mixtures which contain at least one chemical compound having at least one ethylenically unsaturated group |
| 04/12/2001 | CA2385715A1 A method for preparing and screening one or more compounds |
| 04/10/2001 | US6215028 Partial hydrogenation of phenols; sulfonation of cyclohexanol and/or phenol in reaction mixture in presence of nitrogen base |
| 04/10/2001 | US6214175 Dissociation of gas hydrates using electromagnetic radiation |
| 04/10/2001 | US6214174 Tray column for capturing purified liquid; support; discharging aperture |
| 04/05/2001 | WO2001023331A1 A chemical library preparation method from natural product |
| 03/29/2001 | DE19946136A1 Inhibitorzusammensetzung Inhibitor composition |
| 03/28/2001 | EP1086939A1 Inhibitor composition |
| 03/28/2001 | EP1086192A1 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 03/28/2001 | CN1289263A Separation of substance mixtures using polysaccharides |
| 03/27/2001 | CA2320559A1 Inhibitor composition |
| 03/22/2001 | WO2001019484A1 Purification device and purification method |
| 03/22/2001 | CA2388747A1 Purification device and purification method |
| 03/21/2001 | EP1084740A1 Apparatus and method for handling easily polymerizable compound |
| 03/21/2001 | EP1084156A1 Method for reducing the c1-c2-aldehyde content formed from compounds with -ch2-chr-o- or -ch2-ch(oh)-groups |
| 03/21/2001 | CN1287994A Equipment and method for treating compounds easy to be polymerized |
| 03/21/2001 | CN1063435C Acetonitrile purification via adsorption-based process |
| 03/20/2001 | US6204218 For removing alkynes, dienes, monounsaturated hydrocarbons and/or oxygen from reaction feed streams which are reacted over one or more catalysts to produce reaction products such as polyethylene or polypropylene |
| 03/20/2001 | CA2101359C Inhibiting polymerization of vinyl aromatic monomers |
| 03/14/2001 | EP1082280A1 Method for stabilizing unsaturated organic compounds from polymerization |
| 03/14/2001 | CN1287109A Efficient liquid phase chromatography for purified organic compound |
| 03/13/2001 | US6200460 Mixture comprising vinyl aromatic compound, active amount of mixture which inhibits the premature polymerization of said compound comprising noxyl compound, iron compound, optionally nitro compounds and costabilizers |
| 03/07/2001 | EP1081121A2 Method for producing aromatic compound isomers |
| 03/07/2001 | EP1080163A1 Composition and method for radical polymerisation of ethylenically unsaturated monomers |
| 03/01/2001 | WO2001014291A1 Use of cyclodextrin for protective storage of chemical compound libraries |
| 03/01/2001 | WO2001014289A2 Polymer-bound catalysts for use in carbon dioxide |
| 03/01/2001 | DE19940623A1 Stabilisierte Monomerzusammensetzung Stabilized monomer |
| 03/01/2001 | DE19933455A1 Process for dewatering solvents and adsorbents comprises adding a reactant to the solvent or adsorbent to react with the water so that the water-containing azeotropes disrupting distillative water separation are reduced |
| 02/28/2001 | EP1078973A2 Stabilised monomer composition |
| 02/28/2001 | EP1078904A1 Process for removing solvent residues from perfume and/or flavouring materials |
| 02/22/2001 | WO2001012291A1 Method and device for eliminating oxygen contained in aqueous monomer solutions |
| 02/22/2001 | DE19939543A1 Verfahren zur schonenden Entfernung von Lösungsmitteln aus Riech- und/oder Aromastoffen Method for gentle removal of solvents from fragrance and / or flavored |
| 02/22/2001 | DE19938841A1 Inhibitorkomposition zur Stabilisierung von radikalisch polymerisierbaren Substanzen Inhibitor composition for the stabilization of radically polymerizable substances |
| 02/22/2001 | DE19938574A1 Verfahren und Vorrichtung zur Entfernung von Sauerstoff aus wässrigen Monomerenlösungen Method and apparatus for removing oxygen from aqueous monomer solutions |
| 02/21/2001 | EP1077245A2 Inhibitor composition for stabilising radically polymerisable substances |
| 02/21/2001 | CN1284504A Methof of extracting isoflavone, saponin, oligosaccharide and protein simultaneously from defatted soybean dregs |
| 02/15/2001 | WO2001010809A1 Recovery of polyunsaturated fatty acids from urea adducts |
| 02/15/2001 | CA2380960A1 Recovery of polyunsaturated fatty acids from urea adducts |
| 02/13/2001 | US6187935 Method for separating an organic compound from an aqueous medium |
| 02/13/2001 | CA2036627C Isolation of tetrahydrofuran from mixtures which contain tetrahydrofuran, 1,4 butanediol, y-butyrolactone and succinic acid esters |
| 02/10/2001 | CA2315542A1 Hplc method for purifying organic compounds |
| 02/07/2001 | CN1061656C Drocess for preparation of tetrazole derivatives in two crystalline forms and novel crystalline form of said derivative |
| 02/01/2001 | WO2001007382A2 Improved metal-ligand complex catalyzed processes |
| 02/01/2001 | WO2001007137A1 Column chromatography separation method |
| 02/01/2001 | CA2683446A1 Cyclic aldehydes and derivatives thereof prepared by metal-ligand complex catalyzed processes |
| 01/31/2001 | EP1072590A2 Process for the prevention of hydrogen sulphide and/or mercaptan emission from sulphurised organic compounds |
| 01/31/2001 | EP1071499A1 Separation of substance mixtures using polysaccharides |
| 01/30/2001 | US6180779 Release and isolation of O-glycans |
| 01/30/2001 | US6180755 Process for separating organic monomers or auxiliaries |
| 01/30/2001 | US6180665 Crystalline polymorphic form of (S,S,S)-N-(1-[2-carboxy-3 (N2-mesyllyslamino) propyl]-1- cyclopentylcarbonyl) tyrosine |
| 01/29/2001 | CA2314578A1 A process for inhibiting the emission of hydrogen sulfide and/or mercaptans from sulfurized organic compounds |
| 01/25/2001 | WO2001005732A1 Removal of antimony compounds from liquids |
| 01/25/2001 | WO2000064555A3 Solvent extraction process |
| 01/25/2001 | DE19934168A1 Column chromatography separation process involves producing an eluant containing low. mol. wt. molecules using an apparatus including a pump, a separation column and a heat exchanger |
| 01/24/2001 | CN1281552A Continuous format high throughput screening |
| 01/23/2001 | US6177571 Removing heavy metals, selected from palladium, tin and nickel, from heavy metal complexes with thiazole compounds in aqueous or alcoholic solution, by precipitation as sulfides |
| 01/18/2001 | DE19956509A1 Inhibitor composition for (meth)acrylic acid stabilization comprises nitroxyl radical(s) (derivative) and a phenothiazine(s) and/or phenothiazine derivative(s) |
| 01/16/2001 | US6175046 Method of hydrogenating aromatic hydrocarbons in hydrocarbon oil |
| 01/16/2001 | US6174480 Method for eliminating inhibitors of polymerization of monomer mixtures using an alumina with optimized form |
| 01/16/2001 | CA2086752C Substance carrying conglomerate |
| 01/16/2001 | CA2022962C Process for the preparation of extracts having high content in anthocyanosides |
| 01/11/2001 | WO2001002326A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
| 01/11/2001 | CA2376598A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
| 01/03/2001 | CN1060170C Method for purification of lactide |
| 01/02/2001 | US6168652 Process for purifying halosilanes |
| 12/28/2000 | DE19928495A1 Use of flavonoids for photostabilizing sorbate-containing compositions |
| 12/27/2000 | EP1063221A1 Process for the reaction of a solution containing a mixture |
| 12/27/2000 | CN1277885A Method for treatment of organic liquid contaminated by iodides |
| 12/26/2000 | US6165426 Method of purifying liquid products by removing soluble antimony compounds therefrom |
| 12/21/2000 | WO2000076943A1 Method for preventing undesired polymerisation in a mixture of substances containing ethylenically unsaturated compounds |
| 12/21/2000 | WO2000047031A3 Chemical partitioning agents and methods of using same |
| 12/20/2000 | EP1060776A1 Use of raffinate line flush in a simulated continuous moving bed adsorptive separation process |
| 12/14/2000 | DE19926758A1 Verfahren zur Verhinderung unerwünschter Polymerisation in einem ethylenisch ungesättigte Verbindungen enthaltenden Stoffgemisch A process for preventing undesired polymerization in a mixture containing ethylenically unsaturated compounds |
| 12/14/2000 | DE19925870A1 Verfahren zur Umsetzung einer ein Gemisch enthaltenden Lösung A method for implementing a solution containing a mixture |
| 12/14/2000 | CA2274353A1 Use of raffinate line flush in a simulated continuous moving bed adsorptive separation process |
| 12/13/2000 | CN1276372A Trioxane storage method, polyformaldehyde resin obtained by polymerization thereof and producing process thereof |
| 12/13/2000 | CN1276363A Method for suppression of polymerization in vacuum zone of easy-to-polymerize compounds purifying system |
| 12/13/2000 | CN1276263A Reaction of mixture solution |
| 12/07/2000 | WO2000072959A1 Resins with immobilized ascorbic acid |
| 12/06/2000 | EP1057804A2 Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system |
| 12/06/2000 | CN1059206C Avoidance of precipitation in 3-isothiazolone formulations |
| 12/05/2000 | US6156896 Fluorous reaction and separation systems |
| 12/05/2000 | US6156207 Process for the removal of metal compounds from an aqueous acid solution |
| 11/23/2000 | WO2000069793A1 Mixture of substances, comprising stabilisers and compounds which contain vinyl groups |
| 11/23/2000 | WO2000069777A1 Reactions using lewis acids |
| 11/23/2000 | DE19922103A1 Inhibiting polymerisation of vinyl monomers using composition containing nitroxyl compound, a preferably aromatic nitro compound as retarder, oxygen and optionally transition metal compound and co-stabilizer |
| 11/23/2000 | DE19919490A1 Verfahren zur Abtrennung organischer Substanzen aus einem wässrigen Gemisch A method for separating organic substances from an aqueous mixture |
| 11/22/2000 | EP1053994A1 Method for treating an organic liquid contaminated with an iodide compound |
| 11/22/2000 | EP1053974A1 Reactions using lewis acids |
| 11/22/2000 | EP1053220A1 Improved separation processes |
| 11/22/2000 | EP1053219A1 Improved separation processes |
| 11/22/2000 | CN1058723C D4T polymorphic form I process |
| 11/21/2000 | US6150364 Dissolving needle-shaped riboflavin of a stable modification form in an aqueous mineral acid solution with intermixing, adding active charcoal adosrbent to the solution to adsorb dissolve impurities, filtering, crystallizing the filtrate |
| 11/21/2000 | US6149836 Nondiscoloring, storage stable liquid melt of an aliphatic or cycloaliphatic dicarboxylic acid of 6 to 44 carbon atoms in a lactam of an aliphatic alpha, omega-aminocarboxylic acid having 6 to 16 carbon atoms |