Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds › C08F 6 - Post-polymerisation treatments
Patents for C08F 6 - Post-polymerisation treatments (8,582)
09/2003
09/17/2003CN1121422C Removal of alkali metal compound from polymer cement
09/16/2003CA2069169C Microdispersions of hydroxamated polymers
09/12/2003WO2003074167A1 Continuous slurry polymerization process in a loop reactor
09/11/2003US20030168405 Subjecting aqueous solution containing the fluorochemical surfactant which solution is resulting from a polymerizing a fluoromonomer to filtration with reverse osmosis membrane for recovering a fluorochemical surfactant
09/10/2003EP1341830A1 Method for producing thermoplastic molding materials containing rubber
09/10/2003EP0988328B1 Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst
09/10/2003CN1120855C Redispersible emulsion powder and process for producing same
09/10/2003CN1120850C Process for removing hydrocatalyst from unsturated copolymer
09/09/2003US6617420 Adding acid to an aqueous solution of an N-vinyl compound polymer, for diminishing a residual N-vinyl compound monomer
09/04/2003US20030166306 Method and device for recognition of a target molecule by means of molecularly imprinted polymers
09/03/2003EP1023330B1 Process for degassing rubber from gaseous phase polymerisation
09/03/2003CN1440428A Continuous solvent-free process for making terpolymers of maleic anhydride, C1-4 alkyl vinyl ether and isobutylene
09/03/2003CN1120180C Method of producing aqueous polymer dispersion
09/02/2003US6613941 Method for recovering fluorinated alkanoic acids from waste waters
09/02/2003US6613871 Coagulating plastic melt and pressing water out of the cake in an extruder system then injecting superheated steam
09/02/2003US6613870 Acrylate hot melt-based self-adhesive composition
09/02/2003US6613833 Method for producing aqueous ethylene-vinyl alcohol copolymer composition
08/2003
08/28/2003WO2003070365A1 Continuous slurry polymerization process using a loop reactor
08/28/2003US20030162918 Method for producing polyisobutenes
08/28/2003CA2476701A1 Continuous slurry polymerization process using a loop reactor
08/27/2003EP1337564A1 Method for deactivating and recovering boron trifluoride when producing polyisobutenes
08/27/2003CN1439024A Rubberfree copolymer with low residual monomer content and method and device for producing same
08/26/2003US6610802 Polymerizing unsatd. monomers with a transition metal catalyst and a coordination compound-forming ligand; filtration using a filter aid having carboxylic acid-, sulfonic acid- or phosphonic acid-containing units
08/26/2003US6610405 Grain aggregate and producing method thereof, and light-diffusing agent
08/26/2003US6610215 Oxygen scavenging compositions suitable for heat triggering
08/26/2003US6609528 Method for producing saponified ethylene-vinyl acetate copolymer
08/21/2003US20030156999 Degassing apparatus
08/19/2003US6608137 Microdispersions of hydroxamated polymers
08/14/2003WO2003066717A2 A process for the reduction of the residual monomer content of water-absorbent foam
08/14/2003WO2003066532A1 Method of recovering fluorochemical emulsifying agent
08/13/2003EP1334163A2 Oxygen scavenging compositions suitable for heat triggering
08/13/2003CN1117775C Amorphous copolymers of tetrafluoethylene and hexafluoropropylene and coating articte thereof
08/13/2003CN1117767C Ionic contaminants removal from polymer cements using molten component
08/06/2003EP1332168A1 Process for devolatilizing an acrylic resin, process for preparing a powder coating composition and composition capable of being formed into a powder coating composition
08/05/2003US6602950 Obtainable by polymerization of unsaturated acids, for example acrylic acid, methacrylic acid, acrylamidopropanesulfonic acid
07/2003
07/31/2003WO2003062282A1 Process and apparatus for the technical fractionation of oligomers and polymers
07/31/2003US20030144470 Purification means
07/30/2003CN1116322C Suspension polymerization for preparing polyolefins
07/30/2003CN1116312C Process for coagulation finishing of polymers
07/29/2003US6600011 Process for purification and drying of polymer hydrogels
07/29/2003US6599969 Preparation of polyolefins with low extractables contents
07/24/2003WO2003059962A1 Process for producing water-absorbing resin
07/24/2003WO2003059961A1 Method of preventing coloration of water-absorbing resin
07/24/2003WO2003059593A1 Gas distribution system for non-fluid bed, bulk process vessels
07/24/2003US20030139569 Catalytic hydrogenation of polymer; discoloration inhibition, oxidation resistance
07/24/2003US20030139538 Method for trapping a residual monomer with epoxide function in a thermoplastic composition
07/24/2003US20030139533 Epoxidized thermoplastic polymers and processes for their production
07/24/2003US20030139514 Containing persulfate promoter
07/23/2003EP1329464A1 Agglomeratable rubber latex
07/23/2003EP0821700B1 Synthesis of terminally unsaturated oligomers
07/23/2003CN1115355C Method of preparing rubber substrate
07/23/2003CN1115353C Morphology control in polypropylene graft copolymers
07/22/2003US6596822 Gas phase polymerization method
07/22/2003US6596453 Polymerizing monomer composition and colorant in aqueous medium, wherein an aqueous dispersion containing polymer particles formed is subjected to stripping under reduced pressure; reduced odor
07/18/2003CA2416490A1 Agglomeratable rubber latex
07/16/2003EP1327656A1 Core material for vacuum heat insulation material and vacuum heat insulation material
07/16/2003EP1023335B1 Method for reducing the content of residual monomers in aqueous polymer dispersions
07/16/2003EP0949275B1 Method for the purification of ionic polymers
07/16/2003CN1114660C ABS based resin and its prepn method
07/16/2003CN1114623C Method and apparatus for removing residual monomers
07/15/2003US6593452 Fibers made of cycloolefin copolymers
07/15/2003US6593431 Purification means
07/15/2003US6593424 Method for preparing thermoplastic resin
07/15/2003US6593416 Fluoropolymers
07/10/2003WO2003055920A1 Additive for rendering inert acidic or halogen-containing compounds contained in olefin polymers
07/10/2003US20030130442 Useful for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent containing diluent, unreacted monomers and polymer solids
07/09/2003EP1325041A2 Solvent extraction of low molecular weight components from solid polymers
07/09/2003CN1113901C Method for reducing residual monomers in liquid systems by adding oxidation-reduction initiator system
07/08/2003US6590094 Superparamagnetic bead polymers
07/03/2003WO2003054039A1 Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization reactions
07/03/2003US20030125513 Orthopaedic device for implantation in the body of an animal and method for making the same
07/03/2003US20030125421 Fluorine containing emulsifiers removed from fluoropolymer dispersion by adding to dispersion a nonionic emulsifier, removing fluorine containing emulsifier by contact with anion exchanger, separating dispersion from ion exchanger; coatings
07/03/2003US20030121172 Gas distribution system for non-fluid bed, bulk process vessels
07/02/2003EP1323677A1 Method of separating anionic fluorochemical surfactant
07/02/2003EP1323460A1 Method of recovering fluorochemical surfactant
07/02/2003EP1322685A1 Method and device for recognition of a target molecule by means of molecularly imprinted polymers
07/02/2003EP1064086B1 Continuous slurry polymerization volatile removal
07/02/2003CN1427738A Polymer solution preheater and method for preheating such solutions
07/01/2003US6586534 Agglomerated particles of finely divided polymers which are water-soluble or capable of swelling in water and contain ammonium carboxylate groups
06/2003
06/26/2003WO2003051988A2 Aqueous dispersions of fluoropolymers, method of reducing the fluorine surfactant concentration
06/26/2003WO2003051931A1 Processes for production of powdered fluororesins bearing curable functional groups and coating compositions containing the same
06/25/2003EP1088006B1 Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
06/25/2003CN1425697A Method for reducing oxygen content in material of recovering system of polybutadiene rubber device
06/19/2003WO2003049930A1 Orthopaedic device and method for making same
06/19/2003US20030111331 Process for inhibiting polymer formation in a vinyl monomer azeotropic dehydration process
06/18/2003EP1319649A1 Process for inhibiting polymer formation in an vinyl monomer azeotropic dehydration process
06/18/2003EP1319030A1 Process for producing fluoroelastomers
06/18/2003EP1319029A1 Washing process for cleaning polymers containing n or amino, ammonium or spirobicyclic ammonium groups
06/18/2003CN1424294A Method for inhibiting polymer generation in azeotropic dehydration of vinyl monomer
06/17/2003CA2255828C Stable amino-containing polymer blends
06/12/2003US20030109657 Seeded suspension polymerization
06/11/2003CN1423671A Method of making an aqueous dispersion of fluoropolymers
06/11/2003CN1422873A Method for removing and recovering reaction monomer
06/04/2003EP1113848B1 Method for evaporating polymer solutions of thermoplastic polymers
05/2003
05/28/2003EP1313775A1 Water-in-oil polymer dispersions with improved environmental compatibility
05/28/2003EP1034191B1 Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
05/28/2003EP0773244B1 Fine powder of molten high-molecular-weight fluororesin, molded article thereof, and process for producing both
05/28/2003CN1420895A Method and device for removing volatile components from polymer materials
05/27/2003US6569961 Emulsion polymerization process and reactor for such a process
05/22/2003WO2003042253A1 Continuous gas-phase polymerization process
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