| Patents for C08F 6 - Post-polymerisation treatments (8,582) |
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| 11/18/1981 | EP0040136A1 Process for separating the polymer from an aqueous polytetrafluoroethylene dispersion prepared in the presence of a lithium salt of perfluoro alkanesulfonic acid |
| 11/18/1981 | EP0039983A1 Process for the preparation of a polymer |
| 11/17/1981 | US4301275 By contacting the surfaces by countercurrent method with gases |
| 11/17/1981 | US4301264 Emulsion polymerization process |
| 11/17/1981 | US4301263 Pre-copolymer comprising diallyl phthalate and triallyl isocyanurate |
| 11/10/1981 | US4299952 Method for recovering synthetic resinous latex solids |
| 11/10/1981 | CA1112391A1 Homopolymers and copolymers of vinyl chloride having low vinyl chloride monomer content, and method of making same |
| 11/04/1981 | EP0039105A1 Process for recovery of an aliphatic diol oligomerization solvent |
| 11/03/1981 | US4298637 Impregnation of sheet with aqueous latex, compression, drying |
| 10/28/1981 | EP0038387A1 Polymerization process |
| 10/28/1981 | EP0038345A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization. |
| 10/27/1981 | US4297483 Process for reducing the vinyl chloride content of aqueous dispersions of vinyl chloride polymers |
| 10/27/1981 | CA1111225A1 Method and apparatus for processing polymeric material |
| 10/27/1981 | CA1111220A1 Method for the manufacture of olefin polymer fibrils |
| 10/20/1981 | CA1111198A1 Process for the purification of highly crystalline polyolefins |
| 10/20/1981 | CA1111183A1 Drying polymer solutions |
| 10/20/1981 | CA1111182A1 Process for improving the properties of pulverulent polyvinyl chloride |
| 10/20/1981 | CA1111161A1 Emulsion polymerisation process |
| 10/20/1981 | CA1110995A1 Separation apparatus and method |
| 10/13/1981 | US4294704 Coating with a binder of a latex |
| 10/13/1981 | US4294652 Falling strand devolatilizer |
| 10/13/1981 | CA1110799A1 Elastomer extrusion drying with gas injection |
| 10/07/1981 | EP0037138A2 Process for preparing a non-toxic polymer material capable of exchanging water, based on acrylamide/N,N'methylenediacrylamide |
| 10/06/1981 | US4293668 Refining olefin/maleic acid copolymers by extraction with alkanes |
| 09/29/1981 | US4292424 Process for recovering vinyl polymers from emulsion polymerization latices |
| 09/29/1981 | US4292420 Emulsion polymerization process for producing vinyl dispersion resins |
| 09/22/1981 | US4290181 Ball joint forming method and apparatus therefor |
| 09/22/1981 | CA1109494A1 Process for recovering unreacted propylene in the mass polymerization |
| 09/17/1981 | WO1981002578A1 Process for recovering vinyl polymers from emulsion polymerization latices |
| 09/16/1981 | EP0035896A1 Method for treating an olefin polymer to remove catalyst residue therefrom and shaped articles of the treated polymer |
| 09/16/1981 | EP0035661A2 Continuous process for the removal of monomers from polymeric emulsions |
| 09/15/1981 | US4289512 Miscible fluids |
| 09/15/1981 | CA1109193A1 Method of degassing polymers and copolymers prepared by mass polymerizing a monomeric composition based on vinyl chloride |
| 09/02/1981 | EP0034825A2 Removal of residual acrylonitrile monomer |
| 08/26/1981 | EP0034204A1 Process for preparing polymer dispersions with low residual acrylonitrile content, and dispersions so prepared |
| 08/25/1981 | CA1107888A1 High purity polymeric water-soluble colorants and their production |
| 08/25/1981 | CA1107883A1 Process for recovering graft copolymer latex solids wherin a fines fraction is recycled and incorporated in said solids |
| 08/18/1981 | US4284837 Minimizing by-products by contacting with an alkali metal hydroxide |
| 08/18/1981 | US4284737 Mixing with alkenyl nitrile, demulsification with cationic surfactant, extraction |
| 08/18/1981 | CA1107431A1 Process for prevention of foaming when steam- stripping residual monomer from aqueous polymer dispersions |
| 08/12/1981 | EP0033354A1 Process for producing fluorinated polymer ion-exchange membranes |
| 08/11/1981 | US4283526 Method of treating polymerlatices |
| 08/11/1981 | US4283525 Continuous process for increasing discrete particle size of solution carboxyl polymers |
| 08/04/1981 | US4282348 Method for removing unreacted monomer from the aqueous dispersion of polymerizate of vinyl chloride and apparatus therefor |
| 08/04/1981 | CA1106546A1 Ethylene-vinyl acetate copolymerization process |
| 08/04/1981 | CA1106522A1 Combined emulsion and suspension process for producing graft abs bead-like particles |
| 08/04/1981 | CA1106311A1 Method for reducing the monomer content in styrene and acrylonitrile |
| 07/29/1981 | EP0032769A1 Process for the preparation of a copolymer of alpha-methylstyrene |
| 07/21/1981 | US4279791 Recovery of cerium from polymer dispersions |
| 07/21/1981 | CA1105650A1 Process for reducing the monomer content in expandable beads of thermoplastic materials |
| 07/21/1981 | CA1105633A1 Process for preparing grafted rubber latices free of coagulum |
| 07/15/1981 | EP0031960A1 Post-treatment of chlorinated polymers |
| 07/14/1981 | US4278788 Removal of residual catalyst from polyolefin polymers |
| 07/14/1981 | US4278582 Reaction with ammonia, ammonium hydroxide, mercaptan, hydrogen sulfide, or 1a or 2a phosphate, silicate, or carbonate |
| 07/14/1981 | US4278518 Irradiation |
| 07/14/1981 | US4278506 Polymer solution purification |
| 07/09/1981 | WO1981001851A1 Emulsion polymerization process for producing vinyl dispersion resins |
| 07/08/1981 | EP0031713A2 A method of refining olefin/maleic acid copolymers by extraction |
| 07/07/1981 | US4277426 Method for production of coagulated synthetic polymer latex |
| 07/07/1981 | CA1104750A1 Process for the recovery of atactic polymers |
| 07/01/1981 | EP0030994A1 Continuous process for recovering polymers from their latexes, and products obtained |
| 06/30/1981 | US4276398 Method of recovering energy in the manufacture of polymers from monomeric gas and apparatus for carrying out the method |
| 06/30/1981 | CA1104295A1 Production of copolymers of maleic acid anhydride and vinyl thialkoxy silanes |
| 06/23/1981 | US4275175 Molding compositions and process for preparing same |
| 06/23/1981 | US4274984 Chemically reducing residual styrene monomer in styrene polymers and shaped products formed therefrom |
| 06/23/1981 | CA1103647A1 Method of discharging slurry |
| 06/09/1981 | US4272425 Treating dispersions of acrylonitrile polymers |
| 06/09/1981 | CA1102944A1 Formation of polymeric fibers by a seeding technique |
| 06/09/1981 | CA1102943A1 Polymeric fiber masses, fibers therefrom, and process for producing the same |
| 06/03/1981 | EP0029613A1 Process for the agglomeration of rubber latexes |
| 06/02/1981 | US4271055 Process for preparing an aqueous latex binder for manufacturing nonwovens employing ultrafiltration to form a latex having low hydrosolubles |
| 05/26/1981 | US4269969 Polybutadienediol purification |
| 05/26/1981 | US4269951 Basification to isomerize dihalopropanol; azeotropic distillation of epihalohydrin and water; cationic addition polymers having pendant tertiary amines |
| 05/26/1981 | US4269740 Adding a plasticized homo-or copolymer of a vinyl halide to an aqueous elastomeric dispersion; agitation; coagulation; encapsulation; free-flowing; storage stability |
| 05/20/1981 | EP0028816A1 Polybutadienediol production |
| 05/19/1981 | US4268662 Process for improving semipermeable membranes by treating with protic acids or inorganic salts |
| 05/19/1981 | US4268470 Polymer materials |
| 05/19/1981 | CA1101599A1 Process for separating polyvinyl alcohol from its solution |
| 05/19/1981 | CA1101577A1 Process for the preparation of stabilized polychloroprene latex |
| 05/13/1981 | EP0028348A2 Treating dispersions of acrylonitrile polymers |
| 05/05/1981 | US4265799 Alcohol-wet particles of ethylene-vinyl ester interpolymer |
| 05/05/1981 | CA1100690A1 Manufacture of copolymers of ethylene |
| 04/30/1981 | WO1981001148A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization |
| 04/29/1981 | EP0027770A1 Method of constructing a ball joint and fixture for use in that method |
| 04/29/1981 | EP0027700A2 Flash-drying process for a solvent solution of a polymer or copolymer |
| 04/15/1981 | EP0026892A1 Process for the isolation of poly-alpha-olefine chlorination products from their solutions in chlorohydrocarbons |
| 04/08/1981 | EP0026484A2 Process for producing elastomeric particles free of agglomeration |
| 04/07/1981 | US4260847 Emulsifying hydrocarbon containing polyolefin |
| 04/02/1981 | WO1981000814A1 Process and device for removing volatile substance from highly viscous material |
| 03/24/1981 | US4258158 Manufacture of ethylene homopolymers and copolymers |
| 03/24/1981 | US4257533 Method of discharging slurry by varying valve openings |
| 03/17/1981 | US4256874 Process for separating isotactic and atactic polypropylenes |
| 03/17/1981 | CA1097849A1 Process for refining highly crystalline polyolefins |
| 03/17/1981 | CA1097848A1 Process for purifying styrene polymers and purified polymers made by such a process |
| 03/17/1981 | CA1097836A1 Process and device for continuously treating with gases aqueous dispersions on the basis of polyvinyl chloride |
| 03/11/1981 | EP0024810A2 Production of shaped articles by removal of solvent from gels of high molecular weight crystalline polymers |
| 03/10/1981 | US4255307 Reducing residual acrylonitrile in water dispersions of acrylonitrile polymers with alkali or ammonium sulfite |
| 02/24/1981 | US4252912 Process for polymerizing terpolymer polyblends having low surface gloss |
| 02/24/1981 | US4252705 Resistance of polyvinyl chloride resins to discoloration during drying with N,N'-diphenyl urea |
| 02/24/1981 | CA1096538A1 Method of discharging gaseous vinyl chloride monomer from a polymerization reactor |