| 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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| 10/21/1999 | DE19816526A1 Using alkoxylated amines to stabilize fluid or solid compounds e.g. gear oils and hydraulic fluids |
| 10/19/1999 | US5969175 Purification of nitrile |
| 10/19/1999 | US5968365 Preparation of inulin products |
| 10/14/1999 | WO1999051647A1 Method for reducing the c1-c2-aldehyde content formed from compounds with -ch2-chr-o- or -ch2-ch(oh)-groups |
| 10/14/1999 | CA2326337A1 Method for reducing the c1-c2-aldehyde content formed from compounds with -ch2-chr-o- or -ch2-ch(oh)-groups |
| 10/13/1999 | EP0949252A1 Process for the production of shaped bodies of cyanuric chloride |
| 10/13/1999 | CN1045605C Process for removing olefine from silane |
| 10/07/1999 | DE19814873A1 Verfahren zur Verminderung des C¶1¶-C¶2¶-Aldehyd-Gehalts aus Verbindungen mit CH¶2¶-CHR-0- oder -CH¶2¶-CH(OH)-Gruppen A method for reducing the C¶1¶-C¶2¶-aldehyde content of compounds having CH¶2¶-CHR-0 or -CH¶2¶-CH (OH) groups |
| 10/06/1999 | EP0797472B1 Process for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration |
| 10/06/1999 | CN1230949A Stabilised monomer composition |
| 10/06/1999 | CN1045440C Process for preparing medicinal preparation containing beta-form thiamine hydrochloride crystals |
| 10/05/1999 | US5962735 Using zeolite, molecular sieve |
| 10/05/1999 | US5961835 Process and installation for the separation of heavy and light compounds by extraction using a supercritical fluid and nanofiltration |
| 09/30/1999 | WO1999048996A1 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 09/29/1999 | EP0944588A1 Suspension crystallization method |
| 09/29/1999 | EP0944563A1 Substance mixtures containing stabilizers and compounds containing vinyl groups |
| 09/29/1999 | EP0944418A1 Suspension crystallization method |
| 09/23/1999 | DE19812224A1 Oligomeres Stabilisatorgemisch Oligomeric stabilizer mixture |
| 09/22/1999 | EP0943654A1 Mixture of oligomeric stabilizers |
| 09/21/1999 | US5955643 Composition and method for inhibiting polymerization during the anaerobic of styrene |
| 09/21/1999 | US5954869 Water-stabilized organosilane compounds and methods for using the same |
| 09/21/1999 | US5954861 Process for recovery of methyl chloride |
| 09/15/1999 | EP0694031B1 Process for the preparation of fatty-acid amides and their utilisation |
| 09/15/1999 | CN1228429A Process for purifying thiophene |
| 09/15/1999 | CN1045083C Lifibrol antilipemic agent and its use |
| 09/14/1999 | US5952530 Selectively solvent extracting from the reaction product fluid by phase separation, using a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, and nonpolar solvent |
| 09/08/1999 | EP0940413A2 Process for the inhibition of pop-corn polymerization |
| 09/01/1999 | EP0939068A1 Method for purifying crystalline substance |
| 09/01/1999 | CN1227590A Composition preventing the polymerizationo of ethylene unsaturated monomers, method of preparation and use thereof |
| 09/01/1999 | CN1227533A Substance mixtures containing stablizers and compounds containing vinyl groups |
| 09/01/1999 | CN1227507A Mixing device for liquids |
| 09/01/1999 | CN1227132A Distilling apparatus and distilling method |
| 08/25/1999 | EP0937721A1 Purification of thiophene |
| 08/25/1999 | EP0937488A2 Distillation method and distillation apparatus |
| 08/18/1999 | CA2261195A1 Thiophene purification |
| 08/17/1999 | CA2096400C Process for deodorizing sulphydryl acid, and the resulting deodorized product |
| 08/12/1999 | WO1999030154A3 Continuous format high throughput screening |
| 08/10/1999 | US5935534 Crystallization method |
| 08/10/1999 | US5935442 Adsorbent particles comprise a porous composite material having pores allowing access to the interior of the composite material; relative density and particle size range are chosen to provide desired flotation/sedimentation properties |
| 08/05/1999 | WO1999038832A1 Improved separation processes |
| 08/05/1999 | WO1999038831A1 Improved separation processes |
| 08/05/1999 | WO1999038594A1 Separation of substance mixtures using polysaccharides |
| 08/05/1999 | DE19803415A1 Trennung von Stoffgemischen unter Einsatz von Polysacchariden Separation of mixtures of substances using polysaccharides |
| 08/05/1999 | CA2319386A1 Separation of substance mixtures using polysaccharides |
| 08/04/1999 | EP0755387B1 Oxidative purification of biomass extracts containing taxol and cephalomannine using ozone and girard reagents |
| 08/03/1999 | US5932772 Separation processes |
| 08/03/1999 | US5932770 Process for recovery of phosphine oxides and alklylsarylphosphines from reaction mixtures of a homogeneous hydroformylation |
| 07/29/1999 | DE19816026C1 Production of cyanuric chloride molding, e.g. dust-free rodlets or flakes, without sublimation |
| 07/28/1999 | EP0931064A1 Stabilised monomer composition |
| 07/28/1999 | EP0686137B1 Process for the purification of pentalfuoroethane in a binary azeotrope of pentafluoroethane and chloropentafluoroethane |
| 07/21/1999 | EP0889868A4 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 07/21/1999 | CN1044228C Continuous process for purifying perfluoro-compound compositions |
| 07/13/1999 | US5922301 Radiolabelled amino acid formulations stored in an unfrozen state |
| 07/13/1999 | US5922244 4-acylaminopiperidin-N-oxyle |
| 06/30/1999 | CN1221406A Sterically hindered-4-amino-piperidine with low dimer content, its preparation method and use |
| 06/22/1999 | US5914418 Polymerization inhibitor for acrylic-functional silanes |
| 06/22/1999 | US5914379 Compression of ethylenically unsaturated monomers |
| 06/17/1999 | WO1999030154A2 Continuous format high throughput screening |
| 06/16/1999 | EP0921851A1 Mixing device for liquids |
| 06/15/1999 | US5912395 Raffinate line flush in simulated continuous moving bed adsorptive separation process |
| 06/15/1999 | US5912390 Method for the work-up of a surfactant-containing reaction mixture |
| 06/15/1999 | US5912387 Amine heat stable salt neutralization having reduced solids |
| 06/09/1999 | EP0578723B1 PROCESS FOR PURIFICATION OF HMG-CoA REDUCTASE INHIBITORS |
| 06/09/1999 | CN1218807A Process for preparing high purity carane aldehyde |
| 06/03/1999 | WO1999026903A1 Method for extracting organic molecule(s) using a solvent medium containing a hydrofluoroether |
| 06/03/1999 | CA2311782A1 Method for extracting organic molecule(s) using a solvent medium containing a hydrofluoroether |
| 06/03/1999 | CA2223373A1 Process for the preparation of crystalline and solvent free iohexol |
| 06/02/1999 | EP0919540A1 Process for the preparation of purified crystalline iohexol |
| 06/02/1999 | CN1218042A Stabilization of thioacetic acid |
| 06/02/1999 | CN1218023A Transesterification process |
| 05/26/1999 | CN1217314A Process for preparation of crystalline and solvent free iohexol |
| 05/20/1999 | WO1999024382A1 Method for separating an organic compound from an aqueous medium |
| 05/20/1999 | WO1999024139A1 Separation process |
| 05/20/1999 | WO1999010527A3 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 05/11/1999 | US5902903 Process for purifying tertiary fatty alkylmethylamines |
| 05/06/1999 | EP0913376A1 Process for the preparation of cyclohexanones |
| 05/06/1999 | EP0912654A1 Composition preventing the polymerisation of ethylene unsaturated monomers, method of preparation and use thereof |
| 05/06/1999 | EP0912471A1 Polymerisation inhibitor |
| 05/06/1999 | EP0912469A1 Polymers as a support for combinatorial synthesis |
| 05/06/1999 | DE19849241A1 Preparation of cyclohexanones useful as intermediates or end products e.g. for liquid crystals, plant protection agents, plastics and dyestuffs |
| 05/04/1999 | US5900144 Separating agent comprising bonded conalbumin |
| 04/29/1999 | WO1999020584A1 Composition and method for inhibiting polymerization during the anaerobic production of styrene |
| 04/21/1999 | EP0909756A1 Stabilization of thioacetic acid |
| 04/20/1999 | CA2147268C A process for preparing physically stable crystalline .gamma. modification of para-amino-benzenesulfanylamide |
| 04/15/1999 | WO1999018054A1 Process for the crystallisation of sterically hindered compounds |
| 04/15/1999 | CA2305569A1 Process for the crystallisation of sterically hindered compounds |
| 04/15/1999 | CA2246644A1 Stabilization process for thioacetic acid |
| 04/14/1999 | EP0907625A1 Fluorous reaction and separation systems |
| 04/14/1999 | CN1213982A Method and vaporizer for vaporizing oxidation-sensitive compounds |
| 04/08/1999 | WO1999016734A1 Spherical molecular assembly |
| 04/07/1999 | EP0906280A1 Sterically hindered 4-amino-piperidine with a low dimer content, its production and use |
| 04/07/1999 | EP0906257A1 Mixtures containing monomers and stabilizers |
| 04/07/1999 | CN1213360A Stabilized monomer composition |
| 04/06/1999 | CA2115200C Process for producing poison-resistant catalysts |
| 04/01/1999 | WO1999015603A1 Composition preventing polymerisation of ethylenically unsaturated monomers |
| 03/31/1999 | EP0905138A1 Crystals of maltitol of a particular form, crystalline compositions containing them and processes for their preparation |
| 03/30/1999 | US5888355 Hydrogenation, isomerization catalyst |
| 03/24/1999 | EP0665218B1 Method for the preparation of physically stable crystalline gamma-modification of para-aminobenzenesulfonamide |
| 03/24/1999 | CN1211968A Mixture containing monomers and stabilizers |
| 03/24/1999 | CN1211460A Process for purification of virtually anhydrous organic liquids |