| Patents for C08C 2 - Treatment of rubber solutions (444) |
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| 05/17/2005 | US6894145 Scavenger or chelating agent are used to remove metallic impurities |
| 04/20/2005 | EP1524277A1 Process for forming purified elastomers from solution |
| 04/14/2005 | CA2484352A1 Method for the preparation of purified elastomers from solution |
| 04/07/2005 | WO2004056457A3 Method for separating polymer systems and pore-free polymer films used in said method |
| 04/06/2005 | CN1195524C Use of benzenesulfonyl (thio) ureas in combination with beta-receptor retarder for treatment and prophylaxis of dysfunctions of autonomous nervous system |
| 03/15/2005 | US6867264 Process for removing residual silicon species from hydrocarbon solvents |
| 03/09/2005 | EP1214360B1 Process to prepare hydrogenated polymers with improved colour |
| 02/10/2005 | WO2005012366A1 Method for partially and selectively hydrogenating polymers made of conjugated dienes |
| 02/09/2005 | EP1505080A1 Method for partially and selectively hydrogenating polymers made of conjugated dienes |
| 01/26/2005 | EP1117409B1 Benzenesulfonyl(thio)ureas in combination with beta-blockers for the treatment of dysfunctions of the autonomous nervous system |
| 12/16/2004 | US20040254336 Methods to purify polymers |
| 10/05/2004 | US6800725 Catalytic hydrogenation of polymer; discoloration inhibition, oxidation resistance |
| 09/14/2004 | US6790920 Using aluminas, silicon-aluminas, ion exchange resins, zeolite y, in the production of telechelic polymers |
| 07/14/2004 | CN1157418C Process for removing hydrogenation catalyst residue from hydrogenated polymers |
| 07/08/2004 | WO2004056457A2 Method for separating polymer systems and pore-free polymer films used in said method |
| 06/10/2004 | US20040108077 Apparatus and method for forming polymer crumb |
| 06/03/2004 | DE10260036B3 Separation of macromolecules from mixtures of low and high-molecular substances, e.g. by-products, catalysts and colloidal additives, uses film permeation at or above glass transition temperature of amorphous polymer film |
| 05/13/2004 | US20040092649 Using phenolic stabilizer; adjustment pH; controlling oxygen concentration |
| 03/18/2004 | US20040054091 Separation of telechelic polymer from organosilicon compound in solvent; using zeolite absorber |
| 03/04/2004 | US20040044137 Mixing solvent with sulfuric acid; separation |
| 02/16/2004 | CA2399158A1 Process for decolorizing diene polymers |
| 01/22/2004 | WO2004007567A1 Method of removing solvent from polymer solution and solvent removing apparatus |
| 01/22/2004 | CA2490770A1 Method of removing solvent from polymer solution and solvent removing apparatus |
| 11/11/2003 | US6646059 Process for removing iron-and rhodium-containing catalyst residues from hydrogenated nitrile rubber |
| 11/06/2003 | US20030205335 Apparatus and method for forming polymer crumb |
| 10/16/2003 | WO2003085008A1 Method of recovering catalyst from hydrogenation reaction mixture and process for producing hydrogenated conjugated diene polymer |
| 10/02/2003 | WO2003080681A1 Hydrogenated conjugated diene based polymer latex and method for production thereof, and hydrogenated conjugated diene based polymer rubber |
| 09/17/2003 | CN1121422C Removal of alkali metal compound from polymer cement |
| 08/13/2003 | CN1117767C Ionic contaminants removal from polymer cements using molten component |
| 08/05/2003 | US6602962 Adding epoxidized oils to monochlorobenzene solvent to eliminate production of hydrochloric acid, preventing corrosion in plant equipment |
| 07/30/2003 | CN1116312C Process for coagulation finishing of polymers |
| 07/24/2003 | US20030139569 Catalytic hydrogenation of polymer; discoloration inhibition, oxidation resistance |
| 05/07/2003 | CN1416436A Process for removing hydrogenation catalyst residue from hydrogenated polymers |
| 05/02/2003 | EP0898582B1 Ionic contaminants removal from polymer cements using a molten component |
| 05/01/2003 | US20030083450 Impact modified styrene polymers |
| 04/02/2003 | EP1297020A1 Method for producing stable, colorless butadiene rubbers |
| 03/05/2003 | EP1287050A1 Method for continuous production of a solution of rubbers in vinyl-aromatic monomers |
| 01/29/2003 | CN1100064C Concurrent epoxidation and catalyst residue extraction |
| 12/11/2002 | EP1263799A1 A process for removing hydrogenation catalyst residue from hydrogenated polymers |
| 10/15/2002 | US6465609 Process for removal of metal catalyst from polymer selectively hydrogenated using organotitanium compound |
| 10/02/2002 | CN1091625C Removal of metal compounds from acid solution |
| 09/25/2002 | EP1242511A1 Latices from emulsified hydrocarbon rubber solutions by membrane separation |
| 09/05/2002 | US20020123574 Process for the production of hydrogenated nitrile rubber |
| 08/29/2002 | US20020120071 Process for removing iron-and rhodium-containing catalyst residues from hydrogenated nitrile rubber |
| 07/25/2002 | US20020099149 Process for removal of metal catalyst from polymer selectively hydrogenated using organotitanium compound |
| 07/02/2002 | US6414030 Use of benzenesulfonyl(thio)ureas for the treatment and prophylaxis of dysfunctions of the autonomous nervous system and use of benzenesulfonyl(thio)ureas in combination with beta-receptors blockers |
| 06/27/2002 | US20020082300 1-((5-(2-(5-tert-Butyl-2-methoxybenzamido)ethyl)-2-methoxyphen yl)- sulfonyl)-3-methylthiourea and propanolol for example |
| 06/26/2002 | EP1217009A1 Process for the production of hydrogenated nitrile rubber |
| 06/22/2002 | CA2329551A1 Process for the production of hydrogenated nitrile rubber |
| 06/19/2002 | EP1214360A2 Process to prepare hydrogenated polymers with improved colour |
| 06/11/2002 | US6403761 Method for recovering a polymer |
| 05/29/2002 | EP1209169A1 Process for removal of hydrogenation catalyst from polymer solutions |
| 05/28/2002 | CA2036083C Process to produce tack-free rubber particles |
| 05/08/2002 | EP1203777A1 Process for removal of catalyst residues |
| 05/06/2002 | CA2325240A1 A process for removing iron- and rhodium-containing catalyst residues from hydrogenated nitrile rubber |
| 04/11/2002 | WO2000068278A3 Process to prepare hydrogenated polymers with improved colour |
| 02/06/2002 | EP1178055A2 Method for recovering a polymer from solution |
| 12/27/2001 | US20010056176 Method for recovering a polymer |
| 12/20/2001 | WO2001066219A3 Stepwise mixing intensity reduction and mixer/settler separation process |
| 12/13/2001 | WO2001094422A1 Method for producing stable, colorless butadiene rubbers |
| 12/13/2001 | DE10027891A1 Production of stable colorless diene rubber useful for toughening of vinyl aromatic polymers, comprises mixing with phenolic stabilizers in water at specified pH and oxygen content |
| 12/13/2001 | CA2411776A1 Method for producing stable, colorless butadiene rubbers |
| 12/11/2001 | US6329449 Pulverulent rubber powders comprising modified fillers, processes for their preparation and their use |
| 11/28/2001 | CN1075530C Process for prodn. of copolymer contg. diluent |
| 11/01/2001 | US20010036126 Stepwise mixing intensity reduction and mixer/settler separation process |
| 10/25/2001 | WO2001079317A1 Method for continuous production of a solution of rubbers in vinyl-aromatic monomers |
| 10/25/2001 | DE10019146A1 Continuous production of rubber solution in vinylaromatic monomer, useful for making high-impact styrene polymers |
| 10/24/2001 | CN1319014A Use of benzenesulfonyl (thio) ureas for treatment and prophylaxis of dysfunctions of autonomous nervous system and use of benzenesulfonyl(thio) ureas in combination with beta-receptor blockers |
| 10/10/2001 | EP0950069B1 Process for making stabilised non-coloured rubber |
| 09/13/2001 | WO2001066219A2 Stepwise mixing intensity reduction and mixer/settler separation process |
| 08/16/2001 | WO2001058965A1 A process for removing hydrogenation catalyst residue from hydrogenated polymers |
| 07/25/2001 | EP1117409A2 Use of benzenesulfonyl(thio)ureas for the treatment of dysfunctions of the autonomous nervous system |
| 06/21/2001 | WO2001044350A1 Latices from emulsified hydrocarbon rubber solutions by membrane separation |
| 04/24/2001 | US6222008 Treatment of polymer solution with acid and ammonia to improve polymer color |
| 02/06/2001 | US6184341 Process for decolorizing vinyl aromatic conjugated diene copolymers |
| 01/23/2001 | US6177521 Hydrogenation of polymers |
| 01/16/2001 | US6174991 Process for making stabilized non-colored rubber |
| 11/16/2000 | WO2000068278A2 Process to prepare hydrogenated polymers with improved colour |
| 07/13/2000 | WO2000015204A3 Use of benzenesulfonyl(thio)ureas for the treatment and prophylaxis of dysfunctions of the autonomous nervous system and use of benzenesulfonyl(thio)ureas in combination with beta-receptor blockers |
| 06/13/2000 | CA2030066C Polymer treatment process |
| 05/23/2000 | US6066708 Lower amount of imperfections |
| 05/10/2000 | CN1252415A Powdered rubber powder containing modified filler, its preparing method and its use |
| 04/11/2000 | US6048961 Decoloring butadiene-styrene copolymer in the presence of alkali metal catalyst |
| 04/11/2000 | US6048960 Method of producing synthetic elastomers and elastomeric mixtures |
| 03/29/2000 | EP0989155A1 Powdery modified fillers containing rubber powder, method for the production and use thereof |
| 03/23/2000 | WO2000015204A2 Use of benzenesulfonyl(thio)ureas for the treatment and prophylaxis of dysfunctions of the autonomous nervous system and use of benzenesulfonyl(thio)ureas in combination with beta-receptor blockers |
| 03/23/2000 | DE19843301A1 Pulverförmige, modifizierte Füllstoffe enthaltende Kautschukpulver, Verfahren zu ihrer Herstellung und Verwendung Powdery, modified fillers containing rubber powder, process for their preparation and use |
| 02/08/2000 | CA2011925C Terminators for anionic polymerizations |
| 01/26/2000 | CN1242777A Process for making stabilized non-coloured rubber |
| 12/30/1999 | DE19927131A1 Exchanging polymer solvent for styrene useful in impact resistant polystyrene production |
| 10/20/1999 | EP0950069A1 Process for making stabilised non-coloured rubber |
| 10/13/1999 | CN1045608C Selective hydrogenation of conjugated diolefin polymers |
| 08/18/1999 | EP0794968B1 Process for coagulation finishing of polymers |
| 06/09/1999 | CN1219176A Ionic contaminants removal from polymer cements using a molten component |
| 05/19/1999 | CN1216770A Processes to produce compositions and said compositions |
| 03/10/1999 | EP0826007B1 Concurrent epoxidation and catalyst residue extraction |
| 03/03/1999 | EP0899273A1 Processes to produce compositions and said compositions |
| 03/03/1999 | EP0898582A1 Ionic contaminants removal from polymer cements using a molten component |
| 02/24/1999 | EP0897932A1 Extraction of metal residues from polymer cements |
| 12/08/1998 | US5847072 Removal of lithium from polymer cements |