| 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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| 11/15/2000 | CN1273574A Process for crystallisation of sterically hindered compound |
| 11/15/2000 | CN1058370C Stabilization of 3-isothiazolone solutions |
| 11/14/2000 | US6147268 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes |
| 11/14/2000 | US6147145 Vinyl monomers in which the vinyl bears a heteroatom selected from nitrogen, oxygen, sulfur and silicon and n-oxyl compound of a secondary amine which does not bear hydrogen on the alph-carbons to prevent premature polymerization |
| 11/09/2000 | WO2000066253A1 Method for separating organic substances from an aqueous mixture |
| 11/09/2000 | CA2371770A1 Process for the separation of organic substances from an aqueous mixture |
| 11/07/2000 | US6143205 Mixtures containing monomers and stabilizers |
| 11/07/2000 | CA2214501C Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether |
| 11/02/2000 | WO2000064555A2 Solvent extraction process |
| 11/02/2000 | EP1047483A1 Separation process |
| 11/02/2000 | CA2370894A1 Solvent extraction process |
| 11/01/2000 | CN1058002C Method for treatment of mixture of hydroperoxide |
| 10/25/2000 | CN1270950A Process for inhibiting polymerization of easy polymerized compounds |
| 10/24/2000 | US6137018 Removing ionic impurities contained in waste isopropyl alcohol; removing metallic impurities fromn waste; removing water; removing particles; returning isopropyl alcohol to storage for future use |
| 10/24/2000 | US6136242 Providing pressure cell with single or multi-channel die for strand formation; filling pressure cell with cyanuric chloride melt; cooling wall of pressure cell and die; pressing solidified cyanuric chloride out of die; reducing size |
| 10/24/2000 | US6136198 Separation of stereoisomers within variable-length chromatography column |
| 10/24/2000 | CA2157247C Physical form of dihydro-2,3-benzodiazepine derivative |
| 10/19/2000 | WO2000061281A1 Encoding scheme for solid phase chemical libraries |
| 10/19/2000 | CA2367541A1 Encoding scheme for solid phase chemical libraries |
| 10/18/2000 | EP1044957A1 Process for inhibiting the polymerization of easily-polymerizable compounds |
| 10/17/2000 | US6132698 Stabilized solution of colorless organic compound with beta emitting nuclide of phosphorous and sulfur |
| 10/12/2000 | WO2000059848A1 Impurities separation by distillation |
| 10/11/2000 | EP1043303A1 Method of inhibiting vinyl compound polymerization |
| 10/11/2000 | EP1043050A2 Method for refining easily polymerizable matter-containing substance and apparatus therefor |
| 10/11/2000 | CN1269351A Method and apparatus for refining materials containing components easy to polymerize |
| 10/11/2000 | CN1057297C Waterless crystallization of quinolone derivative and crystallization method of its 3/2 hydrate |
| 10/10/2000 | CA1341114C Pharmaceutical formulations containing melphalan hydrochloride |
| 10/05/2000 | DE19914966A1 Verfahren zur kontinuierlich betriebenen destillativen Abtrennung eines höherschmelzenden Stoffes Method for the continuous separation by distillation of a high-melting material |
| 10/04/2000 | EP1040857A2 Method for separating a high melting substance by a continuous distillation process |
| 09/28/2000 | WO2000056684A1 Formation, processing, transportation and storage of hydrates |
| 09/28/2000 | CA2368020A1 Formation, processing, transportation and storage of hydrates |
| 09/27/2000 | EP1038179A2 Continuous format high throughput screening |
| 09/26/2000 | US6123850 Process for the purification of virtually anhydrous organic liquids |
| 09/21/2000 | WO2000055279A1 Inhibitor composition for stabilising radically polymerisable substances |
| 09/21/2000 | DE19911405A1 Inhibitorkomposition zur Stabilisierung von radikalisch polymerisierbaren Substanzen Inhibitor composition for the stabilization of radically polymerizable substances |
| 09/20/2000 | EP0998437A4 Methods for inhibiting the polymerization of vinyl monomers |
| 09/20/2000 | CN1266835A Process for fractionation of dibutene |
| 09/19/2000 | US6121467 Crystallization |
| 09/19/2000 | US6120587 Mixing an organosilane having one or more hydrolyzable groups with a polyol containing at least two hydroxy groups separated by no more than two carbons yields microbiocidal fluid coatings for medical equipment |
| 09/13/2000 | EP1034155A1 Method for extracting organic molecule(s) using a solvent medium containing a hydrofluoroether |
| 09/12/2000 | US6117276 Inhibiting polymerization of vinyl aromatic monomers |
| 09/12/2000 | CA2087105C Non-corrosive composition and methods useful for the extraction of nucleic acids |
| 08/31/2000 | DE19906518A1 Verfahren zur Fraktionierung von Dibuten A method for fractionating dibutene |
| 08/23/2000 | EP1029839A1 Process for fractionating dibutene |
| 08/23/2000 | EP1028934A1 Method for separating an organic compound from an aqueous medium |
| 08/17/2000 | WO2000047031A2 Chemical partitioning agents and methods of using same |
| 08/17/2000 | CA2298871A1 Process for fractionating dibutene |
| 08/09/2000 | EP1025067A1 Process for the crystallisation of sterically hindered compounds |
| 08/03/2000 | WO2000044468A1 Sonic impinging jet crystallization apparatus and process |
| 08/03/2000 | CA2361078A1 Sonic impinging jet crystallization apparatus and process |
| 08/02/2000 | CN1261870A Methods for inhibiting polymerization of vinyl monomers |
| 07/20/2000 | CA2629496A1 Process and products of purification of anhydrosugar alcohols |
| 07/20/2000 | CA2629484A1 Process and products of purification of anhydrosugar alcohols |
| 07/19/2000 | CN1260822A Mixture of substances containing compounds with vinyl groups and stabilizers |
| 07/19/2000 | CN1054594C Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 07/13/2000 | WO2000040566A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process |
| 07/12/2000 | EP1017754A1 Composition preventing polymerisation of ethylenically unsaturated monomers |
| 07/11/2000 | CA2181395C Stabilized monobutyltin trichloride |
| 07/06/2000 | WO2000039055A1 Rapid purification by polyaromatic quench reagents |
| 07/05/2000 | EP1015456A1 Pyrrolopyrrolidine derivatives and their use as serine protease inhibitors |
| 07/04/2000 | US6084141 Hydrogenation process comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen |
| 06/29/2000 | WO2000037584A1 Method of stabilising monomers, immobilized radical polymerisation inhibitors or retarders |
| 06/29/2000 | DE19915165A1 Inhibitor composition, useful to inhibit the polymerization of radically polymerizable mixtures comprises a polyvinylimidazole and a phenothiazine |
| 06/29/2000 | DE19859391A1 Verfahren zum Verdichten ethylenisch ungesättigter Monomerer A method for compressing ethylenically unsaturated monomers |
| 06/29/2000 | CA2356327A1 Method of stabilising monomers, immobilized radical polymerisation inhibitors or retarders |
| 06/28/2000 | EP1013742A1 Immobilized free radical captors |
| 06/28/2000 | EP1013678A2 Process for compressing ethylenically unsatureted monomers |
| 06/27/2000 | US6080240 Method for recovering sublimable material |
| 06/22/2000 | CA2292377A1 Immobilized free radical captors |
| 06/20/2000 | US6077961 Contaminated by mercaptans, comprising selectively oxidizing the mercaptans to form polysulphides, then distilling the thiophene treated in this way. |
| 06/15/2000 | WO2000034220A2 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization |
| 06/15/2000 | DE19856565A1 Verfahren zur Stabilisierung von wenigstens eine ethylenisch ungesättigte Bindung aufweisenden chemischen Verbindungen gegen unerwünschte radikalische Polymerisation Process for stabilizing at least one ethylenically unsaturated bond-containing chemical compounds against unwanted free-radical polymerization |
| 06/13/2000 | US6074532 Adjunct for removal of aldehydes from chemical manufacturing production streams during distillative purification |
| 06/08/2000 | WO2000032170A1 Preparation of dry compositions soluble in the presence of water and avoiding maillard reaction in dry state and uses |
| 06/07/2000 | EP1005477A2 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 06/07/2000 | EP0886675B1 Polymerization inhibitor composition |
| 06/07/2000 | CN1255912A Process for removal of heavy metals |
| 06/07/2000 | CN1255500A Process for increasing stability of raw methamidophos oil |
| 06/06/2000 | US6072091 Process for selective hydrogenation of a hydrocarbon cut containing at least three carbon atoms |
| 06/02/2000 | WO2000030614A1 A process for producing particles with a converted amorphous and/or meta-stable crystalline region into crystalline state |
| 06/02/2000 | WO2000030613A1 New process |
| 05/24/2000 | EP1001922A4 Method for recovering gas from hydrates |
| 05/24/2000 | EP1001922A1 Method for recovering gas from hydrates |
| 05/23/2000 | US6066232 Method and vaporizer for vaporizing oxidation-sensitive compounds |
| 05/18/2000 | WO2000027524A1 Catalyst body and method for reducing halogenated hydrocarbons |
| 05/17/2000 | EP1000624A1 Use of DOP as antioxidant, anti-ageing additive and medicament |
| 05/11/2000 | WO2000025885A1 Separation method and device with chromatographic zones with variable length |
| 05/10/2000 | EP0999207A2 Method for removal of aldehydes from chemical manufacturing production streams during distillative purification |
| 05/10/2000 | EP0998437A1 Methods for inhibiting the polymerization of vinyl monomers |
| 05/09/2000 | US6060504 Administering heat stable crystal form of kappa-opiate agonist asimadoline hydrochloride to treat inflammatory gastrointestinal disorders and simultaneously relieve pain with side effect reduction |
| 05/03/2000 | EP0912654B1 Composition preventing the polymerisation of ethylene unsaturated monomers, method of preparation and use thereof |
| 05/03/2000 | EP0906280B1 Sterically hindered 4-amino-piperidine with a low dimer content, its production and use |
| 05/03/2000 | CN1252048A Dicarboxylic acid crystallizates |
| 04/26/2000 | EP0995749A1 Process for purification and crystallisation of riboflavin |
| 04/26/2000 | CN1251365A Method for purifying and crystallizing vitamin B2 |
| 04/25/2000 | US6054630 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen |
| 04/20/2000 | DE19847137A1 Use of 9.10-dihydro-9-oxa-10-phospha-phenenthrene 10-oxide as antioxidant, e.g. for polymers, fats, oils, functional fluids, foods, animal feeds, pharmaceuticals and cosmetics |
| 04/19/2000 | EP0993462A1 Calixarene tubes as cation receptors |
| 04/19/2000 | CA2282908A1 Purification and crystallization process for riboflavin |
| 04/18/2000 | US6051735 Allowing corrosion inhibitor selected from: aliphatic alcohol, inorganic acid or salt, aromatic carboxylic acid or salt and zinc-containing salt to coexist with metallic salt of dithiocarbamic acid during production acrylic acid |