Patents for C08F 6 - Post-polymerisation treatments (8,582)
07/2001
07/11/2001CN1303363A Method for recovering fluorinated alkanoic acids from waste water
07/11/2001CN1134403C Method for recovering fluorinated alkanoic acid from waste water
07/10/2001US6258331 Apparatus for growing crystals
07/05/2001WO2001048030A1 Method of diminishing unreacted monomer in vinyl polymer and toner resin reduced in unreacted monomer content
07/04/2001EP1112994A1 Method of removing boron from polyalkyl hydroxyaromatics
07/04/2001CN1302225A Continuous slurry polymerization volatile removal
07/04/2001CN1301776A Recovering method for rubber like graft copolymer emulsion
06/2001
06/28/2001WO2001046267A1 Process for producing enlarged latex
06/27/2001EP1109840A1 Method for removing initiators from grafting products
06/27/2001EP1109838A1 Redispersible powder and its aqueous dispersion, preparation process and use
06/26/2001US6252018 Use of a single-stage or multistage stirrer to prepare polymers
06/21/2001US20010004666 Supplying latex to vacuum recovery vessel, where latex is boiling, generating foam, withdrawing monomer gas
06/19/2001US6248841 Using 2-mercaptoethanol
06/19/2001US6248809 Laminar flow
06/19/2001US6248797 Supercritical carbon dioxide extraction of contaminants from ion exchange resins
06/13/2001EP1023331B1 Method for producing polymers stabilised with protective colloids
06/13/2001EP0927203B1 Hydroformylation process
06/13/2001DE10015538A1 Verfahren zur Herstellung einer flüssigen Polymerzusammensetzung sowie Verwendung dieser Zusammensetzung A process for producing a liquid polymer composition as well as use of said composition
06/13/2001DE10015537A1 Production of poly(meth)acrylate composition, for use as lubricating oil additive, involves polymerisation of ester monomers in mineral oil in presence of initiator, transition metal catalyst and coordinating ligand
06/13/2001CN1298900A ABS based resin and its prepn. method
06/13/2001CN1067085C Process for preparing methyl methacrylate polymer
06/12/2001CA2125659C Multiple reaction process in melt processing equipment
06/07/2001WO2001040328A1 Method for producing a composition that contains polymer ester compounds with long-chain alkyl groups, and use of such a composition
06/07/2001WO2001040321A2 Purification process
06/07/2001WO2001040317A2 Method for producing a liquid polymer composition and the use of this composition
06/07/2001WO2001039856A1 Strand evaporator
06/06/2001CN1298419A Method for removing volatile components from polymer solutions
06/06/2001CN1066741C Thermally polymerized dicyclopentadiene/vinyl
06/06/2001CN1066671C Molding of ABS-based resin and its producing process
06/05/2001US6242562 Suspension polymerizing vinyl chloride or mixture in aqueous medium to obtain a slurry, stripping unreacted vinyl chloride, and dehydrating the slurry; shorten the drying time by lowering water content in polymer cake
05/2001
05/31/2001WO2001038406A1 Method of eliminating malodours from gases
05/31/2001DE19957458A1 String evaporator used for removing volatile components has a product distributor formed as a pipe distributor having parallel nozzle pipes with openings in the pipe wall
05/30/2001CN1297367A Device and method for removing volatile components from polymer solutions
05/29/2001US6239235 Monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off.
05/23/2001CN1296497A Method for reducing the C1-C2-aldehyde content formed from compounds with-CH2-CHR-O or -CH2-Ch(OH)-groups
05/23/2001CN1066167C Absorption process for rejection of reactor hyproducts and recovery of monomers from waste gas streams in olefin polymerization processes
05/23/2001CN1066158C Chelating metallo-organic compound adsorption method and alumina base adsorbent
05/17/2001WO2001034293A1 Emulsion polymerization process and reactor for such a process
05/16/2001CN1295583A Method for removing volatile matter from polymer solution composition
05/10/2001WO2001032760A1 A porous, molecularly imprinted polymer and a process for the preparation thereof
05/09/2001EP1097948A1 Method of reducing metal content in fluoroelastomer
05/09/2001EP1097947A1 Device and method for removing unreacted monomer from polymer latex
05/09/2001EP1097182A1 A process for treating fluid streams
05/09/2001CN1294600A Method for olefin polymerization with recycling of co-catalyst
05/09/2001CN1065541C Method of treating polyolefin
05/03/2001WO2001030868A1 Method for producing highly reactive polyisobutenes
05/03/2001WO2001030859A1 Method for removing hydrocarbon solvent from solution of hydrogenated block copolymer in hydrocarbon solvent
05/03/2001DE19952031A1 Verfahren zur Herstellung hochreaktiver Polyisobutene Process for the preparation of highly reactive polyisobutenes
05/03/2001CA2389249A1 Method for producing highly reactive polyisobutenes
05/02/2001CN1293681A Method of reducing metal content in fluoroelastomer
05/02/2001CN1293592A Continuous slurry polymerization volatile removal
05/01/2001US6225429 Process for making vinyl caprolactam-based polymers
04/2001
04/25/2001EP1094084A1 Electrochemical elimination of residual monomers from latex
04/25/2001EP1093472A1 Methods for the removal of unwanted monomer amide compounds from polyamide preparations
04/25/2001EP0944652A4 Improved packaging composition
04/25/2001CN1292799A Process for treating gas flows of polyolefin manufacturing
04/24/2001US6222008 Treatment of polymer solution with acid and ammonia to improve polymer color
04/19/2001DE19922677C1 Verfahren zum Trocknen und Entgasen von Polyolefinen und nach diesem Verfahren hergestelltes Polyethylen Process for drying and degassing of polyolefins and polyethylene manufactured by this process
04/18/2001EP0906359B1 Spray-drying oil recovery process
04/17/2001US6218504 Method for deodorizing polyolefin granulates
04/12/2001WO2001025289A1 Preparation of low residual monomer content polymers
04/12/2001WO2001025286A1 Gas phase polymerization method
04/12/2001DE19948280A1 Gasphasenpolymerisationsverfahren Gas phase
04/11/2001CN1064377C Method for recovering oil by spraying drying
04/10/2001US6214942 Multi-stage process for producing heat resistant dimensionally stable polymethacrylate moulding compounds
04/10/2001US6214903 Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
04/04/2001EP1088019A2 Methods for removing volatile components from polymer solutions
04/04/2001EP1088006A1 Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
04/03/2001USH1956 Reducing the viscosity of the polymer cement by polymerizing the block copolymer under conditions such that the vinyl content of the polymer produced in the polymerization step is in the range from 45 to 80 percent by weight
04/03/2001US6211331 Static mixer; injector; flash tank
04/03/2001US6211318 Solvent-free, fine white powders of a copolymer of maleic anhydride and A C1-C4 alkyl vinyl ether substantially free of poly (alkyl vinyl ether, homopolymer
04/03/2001CA2036473C Process of producing linear .alpha.-olefins
03/2001
03/29/2001WO2001021303A1 An improved method and apparatus for devolatilization
03/28/2001EP1086958A1 Method for removing volatile matter from polymer solution composition
03/28/2001EP1086148A1 Centrifugal method and apparatus for devolatilizing polymers
03/28/2001EP1086147A1 Process for producing purified solutions of blocked polyhydroxystyrene resin
03/28/2001CN1289344A Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same
03/28/2001CN1063759C Process for producing aqueous gel, heavy-metal ion adsorbent, pigment adsorbent, microbe carrier and carrier for enzyme immobilization
03/27/2001US6207796 Production process for hydrophilic polymer
03/27/2001US6207795 Group 8 metal catalyst
03/27/2001CA2065046C Polymer recycling by selective dissolution
03/21/2001EP1085028A1 Method of drying saponified ethylene-vinyl acetate copolymers
03/21/2001EP1084739A2 Polymer devolatilisation apparatus and method
03/21/2001EP1084452A1 Process for producing purified solutions of blocked polyhydroxystyrene resins
03/21/2001EP1084156A1 Method for reducing the c1-c2-aldehyde content formed from compounds with -ch2-chr-o- or -ch2-ch(oh)-groups
03/21/2001EP1084097A1 Method for recovering fluorinated alkanoic acids from waste waters
03/21/2001CN1063452C Process for manufactacturing thermosetting resin particles
03/21/2001CN1063451C Removal of oligomers from substantially crystalline alpha-olefin polymers
03/20/2001US6204345 Polymerizing ethylene with a 1-olefin monomer, in presence of a catalyst, after polymerization and before removing the dispersion medium from polymer, partly evaporating the suspension stream to adsorb wax formed, on the polymer
03/20/2001US6204344 Continuous slurry polymerization volatile removal
03/20/2001US6204324 Method for producing aqueous solution of polymer having phosphorylcholine groups
03/15/2001WO2001018070A1 Method for reducing the quantity of residual monomers in aqueous polymerisate dispersions
03/15/2001DE19942776A1 Verfahren zur Verminderung der Restmonomerenmenge in wäßrigen Polymerisatdispersionen A process for reducing the residual monomer in aqueous polymer dispersions
03/14/2001EP1082357A1 Method for olefin polymerization with recycling of co-catalyst
03/14/2001CN1287132A Bulk treatment method for granular polybutadiene
03/14/2001CN1287051A Process for producing ethylene-vinylalcohol copolymer resin and its granular material and the same resin granular material
03/09/2001CA2316404A1 Polymer devolatilisation apparatus
03/08/2001WO2001016196A1 Process for producing polymer particles
03/07/2001EP1080860A1 Process for bulk handling granular polybutadiene
03/07/2001EP1080123A1 Fluoroelastomer latex
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