| Patents for C08F 6 - Post-polymerisation treatments (8,582) |
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| 02/13/1991 | EP0412363A2 Process for improving the water absorption capacity of crosslinked, water swellable polymers |
| 02/12/1991 | US4992529 Contacting with an aqueous solution of inorganic acid in presence of carboxylic acid; separation of hydrogenation catalysts |
| 02/09/1991 | CA2021760A1 Water absorption capacity of crosslinked, water-swellable polymers |
| 02/09/1991 | CA2021759A1 Preparation of finely divided polymer powders |
| 02/06/1991 | EP0411510A2 Extruder isolation of polymers from solution |
| 02/05/1991 | CA2022571A1 Extruder isolation of polymers from solution |
| 01/30/1991 | EP0410361A2 Process for producing styrene polymers |
| 01/30/1991 | CN1011414B Water-soluble polymer composition |
| 01/29/1991 | US4988761 Polyvinyl alcohol hydrogel formed by gelation, heat treatment, useful for providing improved cartilage in humans |
| 01/29/1991 | CA1279745C Compacted agglomerates of polymer latex particles |
| 01/23/1991 | EP0409678A1 Cryoextensibles thermoplastiques elastomers, process for preparation |
| 01/22/1991 | US4987220 Purification of poly(n-vinylcarbazole) containing impurities |
| 01/22/1991 | CA1279439C Process for the polymerization or copolymerization of butadiene |
| 01/22/1991 | CA1279424C Process for the production of composite material based on a polymer matrix |
| 01/16/1991 | EP0408433A1 Ampholytic hydrophilic polymers, process for their preparation and their use as absorbants |
| 01/16/1991 | EP0408363A2 Modification method of synthetic resins and modified synthetic resins |
| 01/15/1991 | US4985540 Process for removing rhodium-containing catalyst residue from hydrogenated nitrile rubber |
| 01/14/1991 | CA2021053A1 Modification method of synthetic resins and modified synthetic resins |
| 01/10/1991 | WO1991000302A1 Precipitation polymerization of vinyl lactam terpolymers |
| 01/09/1991 | EP0406630A1 Compositions of thermoplastic polymers in powder form |
| 01/08/1991 | WO1991000876A1 Densified polyethersulfone |
| 01/08/1991 | CA2063609A1 Densified polyethersulfone |
| 01/05/1991 | CA2020290A1 Cryoextensible thermoplastic elastomer and process for its preparation |
| 01/02/1991 | CA1278639C Vinyl chloride monomer stripping process |
| 01/02/1991 | CA1278638C Process for continuously removing monomers from an aqueous dispersion of a polymer |
| 01/01/1991 | US4981578 BF3 removal from BF3 catalyzed olefin oligomer |
| 12/27/1990 | EP0404643A1 Method for removing mercaptans |
| 12/27/1990 | CA1278227C Method for producing small, spherical polymer particles |
| 12/22/1990 | CA2019488A1 Method for removing mercaptans |
| 12/18/1990 | CA1277945C Purification process of polymerization solvent |
| 12/11/1990 | US4977241 Agglomeration of particles contained in latex |
| 11/27/1990 | CA1277077C Colour of polymers |
| 11/22/1990 | EP0398738A1 Dewatering agents for polymer slurries |
| 11/22/1990 | EP0398151A2 Polymere associative thickener in powder form |
| 11/21/1990 | CN1047092A Process for agglomerating latex and its application to modification of thermoplastic matrix |
| 11/20/1990 | US4971879 Polymer for toner, process for preparation thereof and toner composition |
| 11/18/1990 | CA2013026A1 Dewatering agents for polymer slurries |
| 11/15/1990 | WO1990013591A1 Process for coagulating a grafted rubber compound |
| 11/15/1990 | WO1990013578A1 A process for minimizing residual free hydrazine in polymer latices |
| 11/14/1990 | CN1010410B Process for agglomerating latex and its application to modificaiton of thermoplastic matrix |
| 11/13/1990 | CA1276381C Process for the manufacture of elastomers in particulate form |
| 10/31/1990 | EP0395104A1 Fluidized bed product discharge process |
| 10/28/1990 | CA2015628A1 Fluidized bed product discharge process |
| 10/24/1990 | EP0393916A1 Method for the production of amidase enzyme |
| 10/23/1990 | CA1275532C Removal of catalyst remnants from ethene/co copolymers |
| 10/17/1990 | CN1010022B Preparation of olefin polymerization catalyst component |
| 10/16/1990 | US4963634 Air classified particles |
| 10/16/1990 | US4963601 Polymer non-aqueous dispersion, process for preparing the same and coating composition formulated therewith |
| 10/12/1990 | WO1990012038A1 Method of producing syndiotactic polypropylene |
| 10/10/1990 | EP0299344B1 Low dust spray-dried emulsion polymerisate and its preparation and use processes |
| 10/09/1990 | US4962185 Solvent extraction with toluene, then distillation |
| 10/09/1990 | US4962133 Precipitation polymerization; controlling particle size by varying rate of stirring |
| 10/04/1990 | WO1990011304A1 Process for reducing the residual monomer content of diallyl ammonium salt polymers |
| 10/02/1990 | US4960864 Washing in the presence of a tricarboxylic acid |
| 09/20/1990 | WO1990010653A1 Method or removing volatile substances and apparatus therefor |
| 09/20/1990 | WO1990010485A1 Improved suspension polymerization in an organic medium |
| 09/20/1990 | DE3908803A1 Verfahren zur reduzierung des restmonomergehalts von diallylammoniumsalz-polymerisaten A process for reducing the residual monomer content of polymers diallylammonium salt |
| 09/19/1990 | EP0387671A1 Process for preparing polymers by anionic polymerization |
| 09/18/1990 | US4958006 Fluidized bed product discharge process |
| 09/12/1990 | EP0288790B1 Process and apparatus for the continuous production of organic polymers from their solutions or emulsions |
| 09/11/1990 | US4956433 Coatings |
| 09/05/1990 | EP0385619A2 Recovery of double metal cyanide complex catalyst from a polymer |
| 09/04/1990 | US4954615 Process for drying carboxyl containing polymers of vinylidene monomers |
| 09/04/1990 | US4954614 Process for minimizing residual hydrazine in polymer latices |
| 09/04/1990 | CA1273746A1 PROCESS FOR THE PURIFICATION OF ETHYLENE/.alpha.OLEFIN COPOLYMERS |
| 08/29/1990 | EP0290474B1 Deactivation of aluminum alkyls |
| 08/29/1990 | CN1044917A Transporter useful to irradiation of rays |
| 08/28/1990 | US4952672 Method for the devolatilization of thermoplastic materials |
| 08/28/1990 | US4952304 Removal of catalyst residues |
| 08/22/1990 | EP0383537A2 Irradiating conveyance apparatus |
| 08/21/1990 | US4950723 Heat and aging resistance; stability |
| 08/14/1990 | US4948872 Suitable for preparation of plastisols with improved rheological properties |
| 08/08/1990 | EP0381432A2 Preparation of large beads of a styrene copolymer |
| 08/08/1990 | EP0380931A2 Method of continuously drying hydrophilic polymer gels |
| 08/08/1990 | CN1044415A Adsorbant for purificn. of polyolefines and process for prepn. thereof |
| 08/07/1990 | US4946940 Gaseous separation agent injected into polymer-solvent solution |
| 08/01/1990 | EP0379958A1 Vacuum drying method |
| 08/01/1990 | EP0379951A2 Process for preparing polymers by anionic polymerization |
| 07/31/1990 | US4945154 Particles with reduced surface area; additives for thermo-setting resins |
| 07/31/1990 | US4944888 Suspension polymerization in an organic medium |
| 07/30/1990 | CA2007333A1 Preparation of large beads of styrene/methacrylic acid copolymer |
| 07/25/1990 | EP0379394A1 Use of sorbent for the purification of polyolefins |
| 07/23/1990 | CA2008239A1 Neutralization agents for anionic polymerization |
| 07/18/1990 | CN1008822B Improved process for the polymerization or copolymerization of butadiene |
| 07/17/1990 | US4942223 Process for separating a polymer from a solution containing the same |
| 07/17/1990 | CA1271889A1 Method of manufacturing polymaleic anhydride powders |
| 07/11/1990 | CN1043721A Process for in situ blending of polymers |
| 07/10/1990 | US4940833 Olefin monomer separation process |
| 07/10/1990 | US4940472 Centrifugal devolatilizer |
| 07/10/1990 | CA1271593A1 Drying and removing residual acid from halogenated polymer resins |
| 07/10/1990 | CA1271587A1 Residual vinyl chloride removal process from vinyl chloride polymers in aqueous suspension |
| 07/04/1990 | EP0376684A2 Process for preparing polymer emulsion particles having pores |
| 07/04/1990 | CN1008628B Reduction of catalyst activity in solution process for polymerization of alpha-olefines |
| 07/04/1990 | CN1008627B Reduction of isomerization in solution process for polymerization of alpha-olefines |
| 06/27/1990 | EP0375099A2 Method and apparatus for purifying and separating a high polymer from a solution thereof |
| 06/27/1990 | EP0374879A2 Method for extraction of impurities in polymer |
| 06/27/1990 | CN1008525B Process for manufacturing hydroxylated polybutadiene |
| 06/27/1990 | CA2006736A1 Process for preparing polymer emulsion particles having pores |
| 06/21/1990 | DE3919354C1 Removal of monomers from aq. suspension - by distilling in column heated by water vapour, giving polymer particles |
| 06/20/1990 | EP0373439A2 Process for controlling particle size in the preparation of polymers in powder form |