Patents for C08F 6 - Post-polymerisation treatments (8,582)
09/2004
09/08/2004EP1454922A1 Method of stripping volatile substance from polymer particle dispersion and process for producing toner
09/08/2004EP1272545B1 Polyamide composition and method for producing the same
09/08/2004EP1240209B1 Method for reducing the polymer content of effluent during the drainage of polymer/water mixtures
09/08/2004EP1162212B1 Fluorocopolymer molding material
09/08/2004CN1526744A Process for producing thermal stabilized poly unsym difluoroethene
09/08/2004CN1526742A Process for producing thermal stabilized polyunsymdifluoroethene
09/07/2004US6787611 Purification means
09/07/2004US6787587 Process for the production of low-molecular-weight allylamine polymer or addition salt thereof
09/07/2004CA2288803C Two-step method for dehydrating plastic dispersions
09/03/2004CA2458950A1 Thermally stable pvdf manufacturing process
09/03/2004CA2458414A1 Thermally stable pvdf manufacturing process
09/02/2004US20040171779 Catalytic processes for the controlled polymerization of free radically (Co)polymerizable monomers and functional polymeric systems prepared thereby
09/02/2004US20040171773 Process of fractionating polymers
09/01/2004EP1452551A1 A process of fractionating polymers
09/01/2004EP1088019B1 Methods for removing volatile components from polymer solutions
08/2004
08/31/2004US6784213 Method for preparation of strong acid cation exchange resins
08/26/2004WO2004072160A1 Microspheres
08/26/2004US20040167272 Purification process of thermoprocessable tetrafluoroethylene copolymers
08/26/2004US20040167267 add a certain amount of specific basic agents to these aqueous dispersions of halogenated vinyl polymers, which have a pH of less than approximately 2, so that the dispersions have a pH of greater than approximately 5
08/26/2004US20040167236 emulsion polymerization of fluoromonomers and removal of ammonium, hydrogen and hydroxy ions from the latex by ion exchange resins
08/25/2004EP1449855A1 Process for producing vinyl polymer
08/25/2004EP1448610A1 Continuous gas-phase polymerization process
08/25/2004CN1163520C Apparatus and method for recovering unreacted monomers in vinyl chloride polymerization apparatus
08/24/2004US6780966 Coagulation process of PTFE fine powders
08/24/2004US6780281 Strand evaporator
08/24/2004CA2083651C Redispersible powder composed of n-vinylpyrrolidone/vinyl acetate copolymer, the preparation and use thereof
08/19/2004WO2004069959A2 Process for refining crude resin for resist
08/19/2004WO2004069882A1 Multiple stage solid state devolatilization of syndiotactic vinyl aromatic polymers
08/18/2004EP1226183B1 Preparation of low residual monomer content polymers
08/17/2004US6777511 Process for producing poly (meth) acrylates having reduced metal content
08/17/2004US6777506 Treating a catalytically formed crude polyolefin product containing residual catalyst to avoid further reaction in the product and remove residual catalyst therefrom
08/12/2004WO2004067688A2 Process for refining crude resin for electronic material
08/12/2004WO2004067656A1 Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant
08/12/2004US20040158009 Replacement of volatility organic compound with other solvents; polymerization by incubation monomer mixture
08/11/2004EP1445285A1 Thermoplastic resin composition with excellent impact resistance
08/11/2004EP1444273A1 Continuous slurry polymerization volatile removal
08/11/2004EP1444035A1 Continuous removal of polymerization slurry
08/11/2004CN1520428A Water-absorbent carboxyl-contg. polymers with low monomer content
08/10/2004US6774208 Friction heat, cryogenic quench solid state polymerization
08/10/2004US6774164 Charging aqueous solution of fluorinated anionic surfactant; charging with monomer mixture comprising vinylidene fluoride and tetrafluoroethylene, and copolymerizable monmers; polymerizing in presence of a free radical initiator
08/05/2004US20040152821 Vinyl chloride polymer moldings with dimensional stability using core shell polymers for strength and heat resistance
08/04/2004EP1442073A1 Process for purification and drying of polymer hydrogels
08/04/2004CN1517655A Continnous drying method containing N or amino, ammonium or spirobicyclic ammonium-base group polymer
08/04/2004CN1517370A Preparation method of powder vinyl pyrrolidone polymer
07/2004
07/29/2004WO2004063261A1 Method of trapping free compounds contained in a polymer composition
07/29/2004US20040147698 Forming perfluorinated resin protective coating on reactor inner wall and ancillary equipment; molding materials
07/29/2004US20040143988 Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups
07/28/2004EP1441014A1 Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant
07/28/2004EP1440987A1 Moldings of fluororubbers and process for their production
07/28/2004EP1440986A1 Continuous process for drying of N- or amino or ammonium or spirobicyclic ammonium groups containing polymers
07/28/2004EP1198483B1 Process for the production of solvent-free, fine white powders of high molecular weight copolymers of maleic anhydride and a c1-c4 alkyl vinyl ether without odor or taste
07/28/2004EP1181321B1 Method for isolating olefins from polyolefin plants
07/28/2004EP1024151B1 Process for producing low-molecular-weight allylamine polymers or addition salts thereof
07/28/2004CN1516707A Continuous gas-phase polymerization process
07/28/2004CN1159347C Gas phase polymerization method
07/27/2004US6767962 Polymer compositions having improved constancy of properties
07/27/2004CA2249087C Method for removing volatile materials from a polymer composition
07/22/2004WO2003094832A3 HIGHLY ACTIVE β-NUCLEATING ADDITIVE FOR POLYPROPYLENE
07/22/2004US20040143080 slurry polymerization followed by heat treatment in the absence of oxygen to form a copolymer containing 0.5% by weight or less of solvent
07/22/2004US20040143053 Process for preparing emulsion polymers
07/22/2004US20040143052 Using anionic exchnge resin; agitation; removal of fluorinated surfactants
07/22/2004US20040139625 Process for preparing vinylpyrrolidone polymer powder
07/15/2004WO2004058841A2 Synthesis and use of inorganic polymer sensor for detecting nitroaromatic compounds
07/15/2004WO2004058480A1 Process for producing bales of amorphous and semi-crystalline polyolefins and bales produced thereby
07/15/2004WO2004024782A8 Loop reactor apparatus and polymerization processes with multiple feed points for olefins and catalysts
07/15/2004US20040138362 Water-absorbent carboxyl-containing polymers with low monomer content
07/15/2004US20040136882 Slurry polymerization; continuous circulation of purge gas
07/15/2004US20040136881 Olefin polymerization ; circulation in continuous loops; withdrawal od slurry
07/14/2004EP1437375A1 Process for preparing vinylpyrrolidone polymer powder
07/14/2004EP1437174A2 Continuous slurry polymerisation volatile removal
07/14/2004EP1436333A1 Process for producing powdery linear polymer having improved powder properties
07/14/2004CN1513004A Method for production of polymer compositions with reduced halogen content, reduced-halogen polymer compositions and utilization thereof
07/14/2004CN1511870A Diolefin rubber chloride containing chloroparaffins and its preparing method
07/14/2004CN1157421C Method for producing highly reactive polyisobutenes
07/14/2004CN1157418C Process for removing hydrogenation catalyst residue from hydrogenated polymers
07/08/2004WO2004056457A2 Method for separating polymer systems and pore-free polymer films used in said method
07/08/2004WO2004044014A3 Reaction of fluoropolymer melts
07/08/2004US20040132964 Polymer treatment for separating volatile material
07/08/2004US20040132928 Apparatus allows operating the reaction at significantly higher solids content in the circulating fluid slurry
07/08/2004US20040132927 High purity fluoropolymers
07/07/2004CN1511176A Oil extended 1,2-polybutadiene and method of manufacturing polybutadiene, and composition and formed product thereof
07/07/2004CN1510057A Method for eliminating fugitive component in polymer solution
07/06/2004US6759483 Preparation of homo-, co- and terpolymers of substituted styrenes
07/01/2004WO2004027264A3 Improved pumping apparatus and process for slurry polymerization in loop reactors
07/01/2004US20040127651 Reaction of fluoropolymer melts
06/2004
06/30/2004EP1080116B1 Continuous volatile removal in slurry polymerization
06/30/2004CN1508209A Water-soluble propenoic-acids adhesive and its preparation method, ceramic slurry composition and preparation method thereof
06/30/2004CN1508158A Method for removing residue catalyst after polymer hydrogenation using electrostatic separation technology
06/30/2004CN1155622C Method for reduction of odour emissions of aqueous protective colloidstabilised aromatic vinyl-1,3-diene-copolymer dispersions
06/29/2004US6756454 Process for reducing the odor of vinylaromatic-1,3-diene copolymer dispersions stabilized by protective colloids
06/24/2004WO2004052953A1 Tetrafluoroethylene copolymer, process for producing the same and paste extrudate
06/24/2004US20040122187 Continuous withdrawal from high solids slurry polymerization
06/24/2004US20040118788 Separation of isobutene non-reacted during polymerization of isobutene
06/17/2004WO2004050727A1 Directly polymerized low molecular weight granular polytetrafluoroethylene
06/17/2004WO2004050719A1 Method for purification of aqueous fluoropolymer emulsions, purified emulsions, and fluorine-containing finished articles
06/17/2004US20040116626 Flash gas separator; recovering
06/17/2004US20040116625 Slurry polymerization; continuous processing
06/17/2004US20040116597 Transferring to purging zone; depressurization; withdrawal; multistage; controlling temperature, pressure; material handling
06/17/2004US20040116549 Solid mixtures of alpha-hydroxycarbonyl derivatives of alpha-methylstyrene oligomers and their use
06/16/2004EP1427861A1 Emulsifying agent composition and low-fogging, high-exhaust stuffing agent, the production and utilization thereof
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