| 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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| 08/07/2002 | CN1362943A Method for preventing poymerization of vinyl compound |
| 08/07/2002 | CN1088697C Sterically hindered-4-amino-piperidine with low dimer content, its preparation method and use |
| 08/07/2002 | CN1088604C Process for purification of virtually anhydrous organic liquids |
| 08/01/2002 | WO2002059064A1 A recovery method |
| 07/18/2002 | WO2001079586A9 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites |
| 07/17/2002 | EP1223161A2 Method to stabilise and/or lower the color number of alkenyl compounds |
| 07/17/2002 | EP1222152A1 A method for preparing and screening one or more compounds |
| 07/16/2002 | CA2058208C Improvements in stabilized isothiazolinone formulations |
| 07/11/2002 | WO2002053250A1 Distillation purification method and device for high-melting organic materials |
| 07/11/2002 | US20020091254 Stabilizing and/or lowering the color number of alkenyl compounds |
| 07/11/2002 | US20020090686 Enzymatic preparation of hydroxy fatty acid esters of polyhydric alcohols which are solid at room temperature |
| 07/11/2002 | DE10100751A1 Verfahren zur Stabilisierung und/oder Senkung der Farbzahl von Alkenylverbindungen A method for stabilizing and / or reducing the color number of alkenyl |
| 07/10/2002 | CN1358163A Process for the synthesis (R)-1-(3.5-bis (trifluoromethyl)-phenyl) ethan-1-ol by asymmetric transfer hydrogenation |
| 07/04/2002 | US20020087023 Process and apparatus for isolating organic substances from a gas mixture in which these substances are present |
| 07/03/2002 | EP1218320A1 Treatment of mixtures that contain at least one compound with at least one ethylenically unsaturated group |
| 07/03/2002 | EP0671975B2 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 07/03/2002 | CN1356970A Method for stabilizing chemical compounds contg. at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization |
| 07/03/2002 | CN1356923A Method for separating organic substances from aqueous mixture |
| 07/03/2002 | CN1356920A Solvent extraction process |
| 07/02/2002 | US6413431 Rapid semi-preparative or preparative scale separation and/or characterization of structurally similar compounds, particularly libraries such as combinatorial or lead generation; greater than 90% purity |
| 06/27/2002 | WO2001077230A3 Recovery of compounds using a natural adsorbent |
| 06/26/2002 | EP1185948A4 Method for screening and producing compound libraries |
| 06/26/2002 | CN1355777A Method for preventing undesired polymerisation in mixture of substances containing ethylenically unsaturated compounds |
| 06/25/2002 | US6410774 Method for recovery of catalyst components |
| 06/25/2002 | US6409887 For inhibiting olefinic polymerisation |
| 06/25/2002 | US6409886 (meth)acrylic acid, (meth)acrylic esters in distillation; avoiding stagnation of liquid on surfaces of still by spraying the same fluid, molecular oxygen is present |
| 06/20/2002 | WO2002048074A1 Method for producing molecular compound |
| 06/13/2002 | US20020072639 Process for the crystallisation of sterically hindered compounds |
| 06/12/2002 | EP1212270A1 Use of cyclodextrin for protective storage of chemical compound libraries |
| 06/12/2002 | EP1005477B1 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 06/12/2002 | CN1086229C High-efficient affinity film chromatography medium and its synthesis method |
| 06/11/2002 | US6403850 Inhibition of polymerization of unsaturated monomers |
| 06/06/2002 | WO2002002464A3 Chemical extraction process |
| 06/06/2002 | WO2001083567A3 Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
| 06/06/2002 | DE10122787A1 Preparation of purified melt of monomer(s) involves forming gaseous or liquid monomer-containing phase, condensing, absorbing or extracting from raw melt and crystallizing |
| 06/05/2002 | EP1210306A2 Polymer-bound catalysts for use in carbon dioxide |
| 06/04/2002 | CA2232457C Process for purifying chlorinated aromatic hydrocarbons |
| 05/30/2002 | US20020063240 Separation of olefins from paraffins using ionic liquid solutions |
| 05/30/2002 | US20020063098 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes |
| 05/28/2002 | US6395943 N-nitroso inhibitor, adding a nitrophenol compound selected from the group consisting of dinitrophenol, dinitrocresol, 2-sec-butyl-4,6-dinitrophenol; styrene during its distillation |
| 05/23/2002 | US20020061540 Library; for use in drug screening and development |
| 05/22/2002 | EP0804501B1 Microcapsules containing a stabiliser mixture made from chromane derivatives, inert organic solvents and organic phosphites or phosphonites and/or amines. |
| 05/21/2002 | US6391823 Separation process |
| 05/21/2002 | CA2062158C Olefin purification process |
| 05/15/2002 | EP1204623A2 Improved metal-ligand complex catalyzed processes |
| 05/14/2002 | US6387222 Continuous isolation of a high-melting material by distillation |
| 05/10/2002 | WO2002036527A1 Method for separation of reaction products from catalysts |
| 05/10/2002 | WO2002036526A1 Screening for optimal yield in the crystallisation of multicomponent systems |
| 05/10/2002 | CA2428205A1 Screening for optimal yield in the crystallisation of multicomponent systems |
| 05/08/2002 | EP1202950A1 Recovery of polyunsaturated fatty acids from urea adducts |
| 05/08/2002 | EP1202785A1 Column chromatography separation method |
| 05/07/2002 | US6384216 Purification of alkenyl compounds |
| 05/02/2002 | WO2002034863A1 Removal of mercaptans from hydrocarbon streams using ionic liquids |
| 05/02/2002 | WO2002034735A1 Method of obtaining solvate and solvate |
| 05/02/2002 | US20020051827 Supercritical extraction of taxanes |
| 05/02/2002 | CA2426770A1 Removal of mercaptans from hydrocarbon streams using ionic liquids |
| 04/30/2002 | US6380428 Using zeolite adsorber |
| 04/30/2002 | US6380353 Method for reducing the C1-C2-aldehyde content formed from compounds with -CH2-CHR-O-or-CH(OH)-groups |
| 04/30/2002 | US6379588 Stabilized monomer composition |
| 04/30/2002 | CA2131761C Crystals of pyridonecarboxylic acid derivative |
| 04/25/2002 | WO2002033026A1 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
| 04/25/2002 | WO2002033025A2 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 04/25/2002 | US20020048610 High-throughput formation, identification, and analysis of diverse solid-forms |
| 04/25/2002 | DE10050403A1 Enzymatische Herstellung von bei Raumtemperatur festen Hydroxyfettsäureestern mehrwertiger Alkohole Enzymatic production of solid at room temperature hydroxy fatty acid esters of polyhydric alcohols |
| 04/25/2002 | CA2422655A1 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
| 04/24/2002 | CN1083410C Method for inhibiting polymerization of vinyl compouds |
| 04/24/2002 | CN1083283C Separation of substances from liquid mixture by crystallization |
| 04/23/2002 | CA2047393C Stabilized monomer compositions |
| 04/18/2002 | US20020043489 Fractionating apparatus |
| 04/17/2002 | EP1197559A2 Enzymatic preparation of hydroxyfatty acid esters of polyhydric alcohols being solid at room temperature |
| 04/17/2002 | EP1196364A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
| 04/12/2002 | CA2357970A1 Enzymatic preparation of hydroxy fatty acid esters of polyhydric alcohols which are solid at room temperature |
| 04/11/2002 | WO2002029412A2 Selective binding materials |
| 04/10/2002 | CN1344238A Formation, processing, transportation and storage of hydrates |
| 04/10/2002 | CN1082499C Mixture contg. monomers and stabilizers |
| 04/04/2002 | WO2002026685A1 Method for stabilising acrylic monomers |
| 04/04/2002 | US20020040174 Polymerisation inhibitor |
| 04/04/2002 | DE10046609A1 Verfahren und Vorrichtung zur destillativen Trennung von C5+-Schnitten Method and apparatus for separation by distillation of C5 + cuts are |
| 04/03/2002 | EP0944563B1 Substance mixtures containing stabilizers and compounds containing vinyl groups |
| 04/02/2002 | US6365246 Package for safe storage of electrophilic fluorinating agent |
| 03/28/2002 | WO2002024612A1 Method for removing dissolved metals from organic fluids and cleaning agent suited therefor |
| 03/28/2002 | WO2002024300A1 Method and device for carrying out the distillative separation of c5+ cuts |
| 03/28/2002 | WO2001068249A3 Separation of reaction products containing organophosphorus complexes |
| 03/28/2002 | US20020038059 Purification of alkenyl compounds |
| 03/28/2002 | US20020037958 Adding to said monomer an effective amount of a mixture comprising at least one stable hindered nitroxyl compound and one quinone or hydroquinone inbibitor |
| 03/28/2002 | DE10046612A1 Reproducible production of purification agent comprises dissolving phosphoric acid and isocyanate and/or polyisocyanate in solvent |
| 03/27/2002 | EP0952973B1 Composition and method for inhibiting polymerization during the anaerobic production of styrene |
| 03/27/2002 | CN1341471A Method and device for separating organic matter from gas mixture containing organic matter |
| 03/27/2002 | CN1081631C N-methyl-N[(1S)-1-phenyl-2-(2S)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide |
| 03/21/2002 | US20020035459 Pharmacokinetic-based drug design tool and method |
| 03/20/2002 | EP1188733A1 Method of continuously and selectively separating clathrate and apparatus therefor |
| 03/14/2002 | WO2001051919A9 High-throughput formation, identification, and analysis of diverse solid-forms |
| 03/13/2002 | EP1185948A1 Method for screening and producing compound libraries |
| 03/13/2002 | EP1185489A1 Method for preventing undesired polymerisation in a mixture of substances containing ethylenically unsaturated compounds |
| 03/07/2002 | WO2001068247A3 Separation of reaction products containing organophosphorus complexes |
| 02/28/2002 | US20020025992 Using light shielding vessel |
| 02/27/2002 | EP1181089A1 Method for separating organic substances from an aqueous mixture |
| 02/27/2002 | CN1337888A Sonic impinging jet crystallization apparatus and process |
| 02/26/2002 | US6350827 Pressurization of ethylenically unsaturated monomers without catalyst in the presence of nitroxyl compound |
| 02/21/2002 | WO2001068598A3 Dosing form for a polymer support, use of said dosing form in organic chemical synthesis and method for production of said dosing form |