Patents for C08F 6 - Post-polymerisation treatments (8,582)
03/2002
03/12/2002US6355742 Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst
03/07/2002WO2002018466A1 Method and device for recognition of a target molecule by means of molecularly imprinted polymers
03/07/2002WO2002018453A1 Method for reducing the polymer content of effluent during the drainage of polymer/water mixtures
03/07/2002US20020028871 Method for producing aqueous ehtylene-vinyl alcohol copolymer composition
03/07/2002DE10041393A1 Wasser-in-Öl-Polymerdispersionen mit verbesserter Umweltverträglichkeit Water-in-oil polymer dispersions with improved environmental
03/06/2002EP0892817A4 Method and apparatus for product recovery of polyolefins
03/06/2002CN1338480A Polymer absorbant and preparation thereof
03/05/2002US6353088 Method for removing volatile matter from polymer solution composition
03/05/2002US6353087 Process for stripping polymer dispersions
03/05/2002US6353068 Degassing with acrylate polymers for paints and coatings
02/2002
02/28/2002WO2002016453A1 Polyacrylamide hydrogel and its use as an endoprosthesis
02/28/2002WO2002016447A1 Process for producing vinyl alicyclic hydrocarbon polymer and molded object
02/28/2002US20020026023 After termination of the polymerization reaction, conducting a separation of the hydrocarbon type reaction solvent layer containing polymer and the water layer in the presence of a polar solvent
02/28/2002US20020026019 A recovered alcohol-based solvent is supplied for reuse after decreasing the concentration of an aldehyde compound, especially by acetalizing it with an acid such as a cation exchange resin
02/28/2002US20020026007 Method for processing ethylene-vinyl alcohol copolymer solution
02/28/2002DE10040618A1 Verfahren zur Herstellung von Polyisobutenen A process for the preparation of polyisobutenes
02/27/2002EP1182215A2 Method for purification of vinyl polymers
02/27/2002EP1182214A1 Method for producing saponified ethylene-vinyl acetate copolymer
02/27/2002EP1181321A1 Method for isolating olefins from polyolefin plants
02/27/2002EP0946613B1 Polymerization of fluoromonomers in carbon dioxide
02/27/2002EP0910588B1 Polymer recovery
02/27/2002EP0752429B1 Method of isolating isobutylene polymer
02/27/2002CN1079806C Method for concentrating aqueous dispersion containing fluoropolymer
02/27/2002CN1079800C Preparation of butadiene-based impact modifiers
02/21/2002WO2002014390A1 Method for activating microbicidally active polymers
02/21/2002WO2002014223A1 Method of separating anionic fluorochemical surfactant
02/21/2002WO2002013953A1 Method of recovering fluorochemical surfactant
02/21/2002US20020022699 Process for producing N-vinyl compound polymer
02/21/2002DE10039283A1 Verfahren zur Aktivierung mikrobizid wirksamer Polymere A method for activating effective microbicidal polymers
02/19/2002US6348636 Removing volatile organic contaminants from aqueous polymer dispersion by contacting with stripping agent selected from steam, gas and vapor in presence of solid adsorbent
02/19/2002US6348554 Method for preparation of a liquid polymer composition and use of this composition
02/14/2002WO2002012353A1 Continuous recovery of polymer from a slurry loop reactor
02/14/2002DE10037629A1 Wasserlösliche oder wasserquellbare sulfogruppenhaltige assoziativverdickende Copolymere, Verfahren zu deren Herstellung und deren Verwendung Water-soluble or water-swellable copolymers containing sulfo groups assoziativverdickende, processes for their preparation and their use
02/13/2002EP1179732A2 Polymeric adsorbent and method of preparation
02/13/2002EP1179547A1 Method for processing ethylene-vinyl alcohol copolymer solution
02/13/2002EP1179546A1 Method for producing aqueous ethylene-vinyl alcohol copolymer composition
02/07/2002US20020016427 Spherical shaped; flowable; for use in rotor molding, rotor lining, powder coating, and inert support for gas chromatography; bulk density improves mechanical resistance and dispersion
02/06/2002EP1178055A2 Method for recovering a polymer from solution
02/06/2002CN1334840A Halogen-contg. vinyl polymer resins and processes for preparation thereof
01/2002
01/31/2002US20020013438 Fluoropolymers
01/31/2002US20020013419 High purity fluoropolymers
01/31/2002DE10035298A1 Highly reactive polyisobutene production involves polymerization of isobutene with boron trifluoride catalyst, using solid amine-type deactivator which is insoluble in reaction mixture
01/30/2002EP1175448A1 Production of porous diene polymer pellets by mechanical drying
01/30/2002CN2474534Y Polymer solution devolatization device
01/30/2002CN1333301A Process for preparing ethylene-vinyl acetate copolymer saponated material
01/30/2002CN1333300A Process for preparing ethylene-vinyl acetate copolymer saponated material
01/30/2002CN1333297A Electrochemistry method for removing residue monomer in emulsoid
01/24/2002WO2002006359A1 Method for producing polyisobutylenes
01/24/2002DE10033583A1 Superparamagnetische Perlpolymerisate Superparamagnetic bead polymers
01/22/2002US6340728 Olefin polymerization with recycled cocatalyst, solvents
01/17/2002WO2002004555A1 Superparamagnetic pearl polymers
01/17/2002WO2002004533A1 Continuous, solvent-free process for making terpolymers of maleic anhydride, c1-4 alkyl vinyl ether and isobutylene
01/16/2002EP1172380A2 Thermoprocessable tetrafluoroethylene copolymer microspheres
01/16/2002EP1171496A1 Catalytic processes for the controlled polymerization of free radically (co)polymerizable monomers and functional polymeric systems prepared thereby
01/16/2002EP1009509B1 Method for reducing the formation of foam during the treatment of a dispersion or a liquid with water vapour
01/16/2002CN1331704A Process for preparing water-soluble styrenelacrylic resins by continuous bulk polymerization
01/15/2002US6339132 Compressing in compressor unreacted vinyl chloride monomer recovered from a process of vinyl chloride polymer or copolymer production, in contact with lubricating oil fed into compressor; discharging mixture; separtion
01/10/2002DE10031766A1 Kautschukfreie Copolymerisate mit niedrigen Monomerrestgehalten und Verfahren und Vorrichtung zu ihrer Herstellung Free rubber copolymers with low Monomerrestgehalten and method and apparatus for the production thereof
01/09/2002EP1170303A1 Method of stabilizing fluoropolymer
01/03/2002WO2002000740A1 Copolymers, devoid of rubber, with a low residual monomer content and a method and device for producing the same
01/03/2002WO2002000737A1 Polymers for binding of phenols
01/03/2002WO2002000736A2 Purification process of polymers of alkoxystyrene
01/03/2002WO2001070367A3 Polymer solution preheater and method for preheating such solutions
01/02/2002EP1167403A1 Method for producing ethylene-vinyl acetate copolymer and the saponified product thereof
01/02/2002EP1167402A1 Method for producing saponified ethylene-vinyl acetate copolymer
01/02/2002EP1165225A1 Diluent slip stream to give catalyst wetting agent
01/02/2002EP1023120B1 Method and device for extracting rubber from gaseous phase polymerization
01/02/2002CN1329622A Aqueous dispersions of fluoropolymers
01/01/2002CA2054116C Latex for coatings having improved flexibility
12/2001
12/27/2001WO2001097940A1 Degassing apparatus
12/27/2001US20010056176 Method for recovering a polymer
12/27/2001US20010056051 Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate
12/26/2001CN1328585A Water re-dispersible granules comprising active matter in liquid foam
12/25/2001US6332958 Methods and apparatus for removing residual monomers
12/20/2001WO2001096424A1 Process for producing high-purity vinylpyrrolidone polymer
12/20/2001WO2001096421A1 Method for producing polyisobutenes
12/20/2001WO2001096410A1 Continuous, solvent-free process for making copolymers of maleic anhydride and c1-4 alkyl vinyl ether
12/20/2001WO2001066219A3 Stepwise mixing intensity reduction and mixer/settler separation process
12/20/2001US20010053829 Continuous, solvent-free process for making copolymers of maleic anhydride and C1-4 alkyl vinyl ether
12/20/2001DE10028585A1 Production of polyisobutenes, useful as oil and fuel additives, comprises deactivation of the boron trifluoride catalyst at a desired point in time by the addition of a carbonyl compound
12/20/2001CA2369713A1 Process for preparing high purity vinylpyrrolidone polymer
12/19/2001CN1076362C Method for producing coagulated polymer latex particles
12/18/2001US6331656 Hydroformylation process
12/18/2001CA2214073C Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
12/13/2001WO2001040317A3 Method for producing a liquid polymer composition and the use of this composition
12/13/2001US20010051268 Grain aggregate and producing method thereof, and light-diffusing agent
12/12/2001EP1162216A1 Method for producing ethylene-vinyl acetate copolymer and for the saponified product thereof
12/12/2001EP1162212A1 Fluorocopolymer molding material
12/12/2001CN1326468A Method for reduction of odour emissions of aqueous protective colloidstabilised aromatic vinyl-1,3-diene-copolymer dispersions
12/06/2001WO2001092379A1 Thermoplastic molding compounds with improved surface properties and improved structural homogeneity
12/06/2001WO2001092351A2 High purity fluoropolymers
12/06/2001WO2001091877A2 Apparatus and method for forming polymer crumb
12/06/2001CA2382525A1 High purity fluoropolymers
12/05/2001CN1324871A Amorphous copolymer of tetrafuoro ethylene and hexafluopropene
11/2001
11/28/2001EP1158005A1 Method of diminishing unreacted monomer in vinyl polymer and toner resin reduced in unreacted monomer content
11/28/2001EP0960137B1 Molecular weight truncation and color control in macromonomers
11/28/2001CN1324368A Method of stabilizing fluoropolymer
11/28/2001CN1323849A Particle assembly, its prepn. method and photo diffusion agent
11/28/2001CN1075530C Process for prodn. of copolymer contg. diluent
11/27/2001US6323283 Peroxide curable fluoroelastomers
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