| Patents for C08C 2 - Treatment of rubber solutions (444) |
|---|
| 11/04/1998 | EP0613412B1 Process for removing the solvent from a polymer solution |
| 07/15/1998 | CN1187825A Concurrent epoxidation and catalyst residue extraction |
| 07/09/1998 | WO1998029457A1 Process for making stabilised non-coloured rubber |
| 06/30/1998 | CA2194210A1 Process for making stabilised non-coloured rubber |
| 06/16/1998 | US5767207 Preparing polymer with diketone polymerization terminating agent which leaves a lithium salt that can be removed by centrifuging or filtration |
| 05/12/1998 | US5750032 Removal of lithium from polymer cements |
| 03/04/1998 | EP0826007A1 Concurrent epoxidation and catalyst residue extraction |
| 02/11/1998 | CN1172686A Removal of metal compounds from acid solution |
| 01/06/1998 | USH1703 Removal of lithium from polymer cements |
| 12/10/1997 | CN1167492A Process for coagulation finishing of polymers |
| 11/20/1997 | WO1997043318A1 Ionic contaminants removal from polymer cements using a molten component |
| 11/20/1997 | CA2254073A1 Ionic contaminants removal from polymer cements using a molten component |
| 10/15/1997 | EP0801078A1 Stabilization of siloxane terminated polymers |
| 10/08/1997 | CN1161341A Removal of alkali metal compound from polymer cement |
| 09/17/1997 | EP0794968A1 Process for coagulation finishing of polymers |
| 09/09/1997 | US5665858 Process for coagulation finishing of polymers |
| 08/19/1997 | US5659056 Controlling viscosity prior to hydrolysis |
| 07/02/1997 | EP0781784A1 Removal of an alkali metal compound from a polymer cement |
| 07/02/1997 | EP0781782A1 Removal of alkali metal compounds from polymer cements |
| 07/02/1997 | EP0781605A1 Removal of metal compounds from an acid solution |
| 06/28/1997 | CA2193778A1 Removal of metal compounds from an acid solution |
| 06/28/1997 | CA2193777A1 Removal of an alkali metal compound from a polymer cement |
| 04/22/1997 | US5623042 Process for reducing trace levels of metallic impurities in cyclized polyisoprene resin |
| 02/26/1997 | CN1034124C Process for removing solvent from solution of polymer |
| 11/21/1996 | WO1996036646A1 Concurrent epoxidation and catalyst residue extraction |
| 11/21/1996 | CA2220956A1 Concurrent epoxidation and catalyst residue extraction |
| 08/13/1996 | CA1338517C Method to treat rhodium-containing solutions |
| 08/06/1996 | US5543472 Concurrent epoxidation and catalyst residue extraction |
| 06/06/1996 | WO1996016994A1 Process for coagulation finishing of polymers |
| 12/26/1995 | US5478509 Process for removing the solvent from a polymer solution |
| 10/17/1995 | CA1337369C Process and apparatus for the devolatization of polymer solutions |
| 09/13/1995 | EP0671415A1 Improved solution polymer recovery process |
| 09/12/1995 | CA2142668A1 Solution polymer recovery process |
| 04/18/1995 | US5407974 Solution polymer recovery process |
| 04/04/1995 | US5403566 Recovery of hydrogenation catalysts from solutions of hydrogenated nitrile rubber |
| 03/28/1995 | CA1335023C Residue removal process |
| 02/01/1995 | EP0613412A4 Process for removing the solvent from a polymer solution. |
| 09/07/1994 | EP0613412A1 Process for removing the solvent from a polymer solution |
| 08/16/1994 | US5338824 Removal of alkali metal methoxide catalyst residue from hydroxy-terminated conjugated diene polymers |
| 04/05/1994 | USH1303 Removal of nickel catalyst from polymer solutions by water addition and centrifugation |
| 03/03/1994 | WO1994004333A1 Process for removing the solvent from a polymer solution |
| 02/02/1994 | EP0581386A2 Method of removing lithium compounds from a polymer |
| 01/04/1994 | CA1325859C Polymer solution treatment process |
| 09/14/1993 | US5244965 Polymer solution treatment process |
| 08/31/1993 | CA1321852C Process for removing the solvent from a polymer solution |
| 06/30/1993 | EP0549063A2 Selective hydrogenation of conjugated diolefin polymers |
| 06/30/1993 | CN1073687A Selective hydrogenation of conjugated diolefin polymers |
| 06/15/1993 | US5220100 Adsorption with silica, alumina or mixtures |
| 05/18/1993 | US5212285 Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
| 05/05/1993 | EP0540121A1 Method of removing a polymerization catalyst |
| 01/05/1993 | US5177297 Method of removing a polymerization catalyst |
| 12/22/1992 | US5173537 In the presence of bis(cyclopentadienyl) titanium compound |
| 12/15/1992 | US5171791 Anionic polymerization process |
| 11/24/1992 | US5166277 Nickel hydrogenation catalysts for lithium diene polymers |
| 09/15/1992 | CA1307542C Removal of catalyst residues |
| 08/04/1992 | USH1094 Process to produce tack-free rubber particles |
| 05/13/1992 | EP0484826A1 Method of post-treating polybutadiene solution |
| 05/03/1992 | CA2054790A1 Method of post-treating polybutadiene solution |
| 04/29/1992 | EP0482391A1 Recovering of hydrogenation catalysts from hydrogenated nitrile rubbers solutions |
| 04/16/1992 | DE4032598A1 Rubbers sepn. from solns. - by flowing soln. on heated surfaces and rollers in vacuum chamber, picking film off with doctor blades, compressing and discharging |
| 04/08/1992 | EP0479754A1 Process for the decolouration of resinous polymers of the vinyl aromatic/conjugated diene type |
| 02/18/1992 | US5089541 Agglomerating metal to form suspension |
| 01/28/1992 | US5084134 Process for the devolatilization of polymer solutions |
| 01/22/1992 | EP0467429A2 Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
| 12/15/1991 | CA2044417A1 Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
| 10/02/1991 | CN1054985A Comprehensive extraction of gutta-percha |
| 08/21/1991 | EP0442569A2 Process to produce tack-free rubber particles |
| 05/29/1991 | EP0429017A1 Polymer treatment process |
| 01/15/1991 | US4985540 Process for removing rhodium-containing catalyst residue from hydrogenated nitrile rubber |
| 09/19/1990 | EP0387671A1 Process for preparing polymers by anionic polymerization |
| 09/12/1990 | EP0288790B1 Process and apparatus for the continuous production of organic polymers from their solutions or emulsions |
| 08/28/1990 | US4952304 Removal of catalyst residues |
| 07/31/1990 | US4944926 Method to treat rhodium-containing solutions |
| 07/17/1990 | US4942223 Process for separating a polymer from a solution containing the same |
| 04/03/1990 | US4914186 Method for the continuous recovery of organic polymers from solutions or emulsions thereof |
| 03/27/1990 | US4912151 Forming dispersion; addimg water; precipitating; drying |
| 03/14/1990 | EP0358283A2 Separating heavy metals from polymers |
| 03/06/1990 | US4906329 Flash-drying process for a solvent solution of a polymer or copolymer |
| 02/14/1990 | EP0354413A1 Method to treat rhodiumcontaining solutions |
| 01/31/1990 | EP0352727A2 Process for the devolatilization of polymer solutions |
| 12/20/1989 | EP0346778A2 Residue removal process |
| 12/19/1989 | CA1263988A1 Separating heavy metals from polymers |
| 09/27/1989 | EP0333999A1 Process for preparing powdery free flowing rubber-filler mixtures starting from rubber solutions |
| 09/27/1989 | CN1035832A Process for removing solvent from solution of polymer |
| 08/15/1989 | US4857632 Residue removal process |
| 07/26/1989 | EP0325198A1 Polymer solution treatment process |
| 04/19/1989 | EP0312213A1 Romoval of catalyst residues |
| 02/14/1989 | US4804741 Guayule rubber, resin and bagasse recovery and purification processes |
| 11/02/1988 | EP0288790A1 Process and apparatus for the continuous production of organic polymers from their solutions or emulsions |
| 09/21/1988 | EP0283460A2 "Process for removing the solvent from a solution of a polymer" |
| 08/02/1988 | CA1239839A1 Process for making powdered rubber |
| 08/11/1987 | US4686278 Recovering chlorinated polymers from solution |
| 04/14/1987 | US4658012 Process for purifying chlorinated aliphatic polymers |
| 03/03/1987 | CA1218796A1 Method for removing hydrogenation catalyst residues from hydrogenated conjugated diene polymers |
| 12/30/1986 | EP0204078A3 Process for purifying chlorinated aliphatic polymers |
| 12/10/1986 | EP0204078A2 Process for purifying chlorinated aliphatic polymers |
| 11/18/1986 | US4623713 Solvent fractionation of guayule rubber |
| 07/09/1986 | EP0186918A2 Separating heavy metals from polymers |
| 04/16/1986 | EP0178243A2 Process for making powdered rubber |
| 03/25/1986 | US4578411 Process for making powdered rubber |