| Patents for C08F 6 - Post-polymerisation treatments (8,582) |
|---|
| 06/19/1990 | US4935475 Process for producing cycloolefin random copolymer |
| 06/15/1990 | CA2002669A1 Controlling the particle size in the preparation of polymer powders |
| 06/13/1990 | EP0372239A2 Process for preparing ethylene polymers by means of a vanadium-containing Ziegler catalyst system while destroying the catalyst residue. |
| 06/12/1990 | US4933400 With comonomers, initiator and chain tranafer agent, in the presence of a large quantity of solvent |
| 06/06/1990 | EP0371479A2 Olefin monomer separation process |
| 06/06/1990 | EP0371230A2 Method and apparatus for the elimination of impurities from polymer plastics, and apparatus to carry out the method |
| 05/29/1990 | US4929717 Method of preparing polymers with a low residual content of monomers |
| 05/29/1990 | CA1269793A1 Process for reducing residual monomers in low viscosity polymer-polyols |
| 05/23/1990 | EP0369436A2 Process for the in situ blending of polymers |
| 05/23/1990 | EP0369287A2 Process for the manufacture of odourless ethylene copolymers |
| 05/23/1990 | CN1008102B Removal of catalyst remnants from ethene/co copolymers |
| 05/23/1990 | CN1008097B Improved process for polymerization or copolymerization of butadiene |
| 05/22/1990 | US4927578 Method for producing uncrosslinked polyacetylene film |
| 05/22/1990 | CA1269490A1 Nucleation of propylene polymers |
| 05/22/1990 | CA1269489A1 Injection blow molding grade propylene polymers |
| 05/22/1990 | CA1269488A1 Polypropylene compositions of improved clarity |
| 05/15/1990 | US4925797 Process for the decomposition of acrylamide |
| 05/09/1990 | EP0367396A2 Polypropylene molded article |
| 05/08/1990 | US4923922 Ethyl alcohol process for polyvinyl acetate production |
| 05/03/1990 | DE3935405A1 Extn. of impurities from powdered or particulate material - using an extractant in an extractor filled with material in which the vol. fraction of pores or cavities is 0.36-0.95 |
| 05/02/1990 | EP0366569A2 Compatibility agent for aqueous polypigmentary suspensions, one of the pigments being hydrated calcium sulfate |
| 05/02/1990 | EP0366290A2 Process for producing olefin polymers |
| 05/02/1990 | CN1041769A Application of polypropylene with free-end long chain branching |
| 05/01/1990 | US4921678 Apparatus for degassing and pelleting polyolefins |
| 04/26/1990 | CA2001202A1 Method for extraction of impurities from powder material |
| 04/25/1990 | EP0365108A2 Low water content polyvinyl alcohol hydrogel and artificial cartilage |
| 04/25/1990 | EP0365011A2 A polymer gel manufacturing method, a polymer gel and an actuator employing the same |
| 04/24/1990 | US4920202 Having a small monomer content; drying by contact with a gas containing at least steam and having a specified fdew point |
| 04/24/1990 | CA1268297A1 DEACTIVATION OF CATALYST IN SOLUTION PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS |
| 04/24/1990 | CA1268296A1 REDUCTION OF ISOMERIZATION IN SOLUTION PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS |
| 04/24/1990 | CA1268083A1 Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution |
| 04/18/1990 | EP0363795A2 Process for the manufacture of polymers from olefinically insaturated monomers |
| 04/17/1990 | CA1267994A1 Reduction of isomerization in solution process for polymerization of alpha-olefins |
| 04/10/1990 | US4916198 High melt strength, propylene polymer, process for making it, and use thereof |
| 04/03/1990 | US4914257 Precipitating complex, distilling solvent |
| 04/03/1990 | US4914186 Method for the continuous recovery of organic polymers from solutions or emulsions thereof |
| 04/03/1990 | US4914170 Superabsorbent polymeric compositions and process for producing the same |
| 03/29/1990 | DE3931498A1 Verfahren zur reinigung eines polymeren Method for cleaning a polymeric |
| 03/28/1990 | CN1040801A Polyacrylic process |
| 03/27/1990 | US4912173 Hydrolysis of poly(acetoxystyrene) in aqueous suspension |
| 03/21/1990 | EP0359432A2 Devolatilization of liquid composition containing polymer and volatile constituents |
| 03/21/1990 | CN1007254B Recovery isoprene in preparing butyl rubber |
| 03/21/1990 | CN1007253B Reduction of isomerization in solution process for polymerization of alpa-olefins |
| 03/20/1990 | US4910295 Reducing odor; crystalline siliceous molecular sieve |
| 03/20/1990 | US4910229 Adding a base to a carboxyl containing polymer latex |
| 03/20/1990 | US4909898 Removal volatile diluent liquid from polymer mixture using another immescible liquid |
| 03/20/1990 | CA1266948A1 Process for the polymerization or copolymerization of butadiene |
| 03/20/1990 | CA1266767A1 Absorbent polymer material and its preparation |
| 03/15/1990 | DE3830861A1 Work-up method |
| 03/15/1990 | DE3830562A1 Process for the continuous coagulation of aqueous vinyl chloride (co)polymer latices |
| 03/14/1990 | EP0358516A2 Process for producing cycloolefin random copolymers |
| 03/14/1990 | EP0358283A2 Separating heavy metals from polymers |
| 03/07/1990 | EP0357159A1 Method of deactivating ethylene polymerization catalysts |
| 03/06/1990 | US4906732 Treatment of polyacrylamide gel particles with amidase to reduce residual acrylamide content thereof |
| 03/06/1990 | US4906329 Flash-drying process for a solvent solution of a polymer or copolymer |
| 02/28/1990 | EP0355935A1 Method of deactivating ethylene polymerization catalysts |
| 02/28/1990 | EP0355767A1 Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluroroethane |
| 02/28/1990 | CN1040039A Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein |
| 02/28/1990 | CN1040034A Process for continuous demonomerization and postcondensation of polyamide 6 and device for carrying out this process |
| 02/22/1990 | WO1990001510A1 Stabilization of poly(arylene ether ketones) |
| 02/21/1990 | CN1039817A Thermal treatment of irradiated polypropylene |
| 02/20/1990 | US4902780 Extraction of residual monomers |
| 02/13/1990 | US4900809 Process of rendering copolymers of maleic anhydride and alkyl vinyl ethers prepared in benzene solvent substantially benzene-free |
| 02/13/1990 | US4900618 Tarnish free, bright and smooth surface electrolessly-deposited copper over palladium catalyst |
| 02/13/1990 | CA1265759A1 Water-in-oil emulsions containing amidase and methods of treatment of such emulsions |
| 02/07/1990 | EP0353802A1 Process for the recovery of rubber crumbs prepared by emulsion polymerization |
| 02/06/1990 | CA1265635A1 Water soluble polymers |
| 01/31/1990 | EP0352727A2 Process for the devolatilization of polymer solutions |
| 01/30/1990 | US4897462 Process for producing rubber-based graft copolymers |
| 01/30/1990 | CA1265289A1 Method and apparatus for devolatilizing polymer solutions |
| 01/24/1990 | EP0351866A2 Thermal treatment of irradiated polypropylene |
| 01/16/1990 | US4894397 Core-shell latex, films, addition polymerization |
| 01/16/1990 | CA1264499A1 Vinyl dispersion resins |
| 01/10/1990 | CN1006388B Process for producing petroleum resin |
| 01/09/1990 | US4892931 Purification of polycarbonate with extractant/swelling agent and elevated pressure and temperature |
| 01/09/1990 | US4892910 Polymer powders of low fines content and method for making the same by spray drying |
| 01/09/1990 | US4892754 Process for preparation of water absorptive composite material |
| 01/03/1990 | EP0348907A2 Fluidized bed product discharge process |
| 01/03/1990 | EP0348800A1 Process for preparation of modified methacrylic resin molding material |
| 12/28/1989 | WO1989012650A1 Method of isolating copolymers of vinylpyridine and styrene |
| 12/20/1989 | EP0347135A1 Method of isolating copolymers of vinylpyridine and styrene |
| 12/19/1989 | CA1263988A1 Separating heavy metals from polymers |
| 12/12/1989 | US4886852 Preparing nonaqueous dispersion in organic solvent, then neutralization |
| 11/29/1989 | EP0343901A2 Method and apparatus for recovering high purity toluene, hexane titanium tetrachloride and tetrahydrofuran from mixtures |
| 11/29/1989 | CN1037468A Fluidized bed or bubble layer compartment of two-stage processing column |
| 11/28/1989 | US4883859 Process for producing hydroxylated polybutadiene |
| 11/28/1989 | US4883847 Process to terminate an olefin polymerization reaction |
| 11/28/1989 | CA1263326A1 Method of reducing the acrylamide content of water-in- oil emulsions containing acrylamide polymers using amidase |
| 11/23/1989 | EP0342944A2 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein |
| 11/15/1989 | EP0341856A2 Petroleum resins of improved color and process for making the same |
| 11/15/1989 | EP0341540A2 Process for the low-pressure copolymerization of ethylene with alpha-olefines, and ethylene copolymerisates having a very little non-reacted monomer content |
| 11/14/1989 | US4880909 Bidenate phosphine ligand |
| 11/14/1989 | US4880842 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein |
| 11/02/1989 | EP0339122A1 Method for treating resin in a purge vessel |
| 10/31/1989 | US4877863 Process for decolorizing of polymers of the vinylaromatic-conjugated diene type |
| 10/31/1989 | US4877853 Emulsion polymerizing in presence of polymerization initators and chain transfer agents |
| 10/25/1989 | EP0338486A2 Stable emulsion polymers and methods of preparing same |
| 10/24/1989 | US4876306 Process for preparing a thermoplastic resin |
| 10/18/1989 | EP0336963A1 Continuous method of treating a polymer reaction mixture |
| 10/17/1989 | US4874841 Coagulating a latex using a coagulant and organic liquid having low water solubility |