Patents for C08F 210 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (21,762)
10/2008
10/30/2008US20080269437 Polymerization of ethylene in the presence of a catalyst prepared by calcining a chromium compound, a zirconium compound, and optionally a fluorinating agent on a finely divided inorganic support at 350 to 1050 degrees C; molar ratio of zirconium to chromium: 0.6-5; high molecular weight polymer product
10/30/2008US20080269435 In the slurry or solution polymerization of ethylene in the presence of a metallocene catalyst, a diluent and hydrogen, preventing catalyst deactivation by recycling diluent from the outlet stream to the hydrogen feed stream; catalyst feed stream is free of hydrogen
10/30/2008US20080268058 Particles
10/30/2008US20080263999 Elasticity; blends; using free radical polymerization catalyst; multilayer films
10/29/2008EP1985638A1 Propylene copolymer, polypropylene composition, use thereof, transition metal compounds, and catalysts for olefin polymerization
10/29/2008EP1985637A1 Propylene copolymer, polypropylene composition, use thereof, transition metal compounds, and catalysts for olefin polymerization
10/29/2008EP1699834B1 Ltmc polymerization of unsaturated monomers
10/29/2008EP1578808B1 Processes for transitioning between various polymerization catalysts
10/29/2008CN101296957A Impact modification of thermoplastics with ethylene/alpha-olefin interpolymers
10/29/2008CN101296951A Solid state process to modify the melt characteristics of polyethylene resins and products
10/29/2008CN100429244C Cyclopentadiene monomer and olefine copolymer preparation method
10/29/2008CN100429240C Process for making low-density polyolefins
10/28/2008US7442750 Supported olefin polymerization catalyst
10/28/2008US7442743 polymerisation of propylene in first reaction zone comprising slurry reactor to give first polymerisation product, transferring product to second reaction zone comprising gas phase reactor and continuing polymerisation in gas phase in presence of first product; improved stretching, thermoforming
10/28/2008CA2369137C Multilayer containers exhibiting an improved adherence between polymer layers as well as excellent barrier characteristics
10/28/2008CA2175158C Pipe of polyethylene having improved mechanical properties
10/23/2008WO2008125208A2 Polyethylene and catalyst composition and process for the preparation thereof
10/23/2008US20080262178 Magnesium alcoholate; reacting magnesium alcohol, or mixture thereof, and halogen compound; used as olefin polymerization catalyst
10/23/2008US20080262175 Polymerizing propylene, 4-methyl-1-pentene, or another C4-8 alpha -olefin with a mixture of two metal complex olefin polymerization catalysts, the second catalyst having increased incidence of regio-irregular branching, and a chain shuttling agent such as diethylzinc; heat resistance, melt processability
10/23/2008US20080262171 Using loop reactor; polymerizing olefin monomer with polymerization catalyst and diluent
10/23/2008US20080260228 Methods of View Selection for Radioactive Emission Measurements
10/23/2008US20080258105 Block Copolymer and Method for Producing Same
10/23/2008CA2681298A1 Polyethylene and catalyst composition and process for the preparation thereof
10/22/2008EP1732955B1 Method of making copolymers containing olefinic type monomers
10/22/2008EP1430088B1 Method for the polymerization of olefins
10/22/2008CN101291964A Adhesive and marking compositions made from interpolymers of ethylene/alpha-olefins
10/22/2008CN100427539C Polyethylene pipe resins and preparation thereof
10/22/2008CN100427515C Polimerization process
10/22/2008CN100427513C Catalysts for polymerization or copolymerization of alpha-olefins, catalyst components thereof, and processes for polymerization of alpha-olefins with the catalysts
10/22/2008CN100427509C Method of preparing polyolefin alloy
10/22/2008CN100427305C High escr glossy plastic containers
10/21/2008US7439378 Coordination catalyst
10/21/2008US7439314 Catalysts for olefin polymerization
10/21/2008US7439313 Coordination polymerization catalyst with pore size, for producing polyethylene, or ethylene-propylene copolymer of high density, linear low density, or ultra low density
10/21/2008US7439312 Branched crystalline polypropylene
10/21/2008US7439307 isotactic crystallinity
10/16/2008WO2008123993A1 Partially neutralized chlorosulfonated ethylene/alpha-olefin elastomers
10/16/2008WO2008123991A1 Partially neutralized chlorosulfonated polyolefin elastomers
10/16/2008WO2008123988A1 Chlorosulfonated propylene/olefin elastomers
10/16/2008WO2008123526A1 Super high molecular weight ethylene-α-olefin copolymer powder
10/16/2008WO2008122445A1 Pipes comprising b-nucleated propylene copolymers
10/16/2008US20080255329 High Activity, Low Molecular Weight Olefin Polymerization Process
10/16/2008US20080255323 Low Gel Chromium Catalysis
10/15/2008EP1980577A1 Pipes comprising ß-nucleated propylene copolymers
10/15/2008EP1979387A2 Polymer powder with high rubber content and production thereof
10/15/2008EP1979385A1 Copolymers of ethylene and at least one other 1-olefin, and process for their preparation
10/15/2008EP1614699B1 Propylene copolymer, polypropylene composition, use thereof, transition metal compounds, and catalysts for olefin polymerization
10/15/2008EP1448615B1 Supported catalysts for manufacture of polymers
10/15/2008CN101287817A Low molecular weight ethylene/alpha-olefin interpolymer as base lubricant oils
10/15/2008CN101287772A Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates
10/14/2008US7435614 Method for treating a structure to obtain an internal space and structure having an internal space
10/09/2008WO2008120912A1 Copolymer comprising alkene, acrylate and unsaturated organic acid, and method for preparing the same
10/09/2008US20080249273 Isotactic 1-butene copolymers
10/09/2008DE102008006699A1 Copolymermaterial auf Propylenbasis, daraus hergestellter Film und Verfahren zur Herstellung von Copolymermaterial auf Propylenbasis Copolymeric propylene-based film prepared therefrom and methods for producing propylene-based copolymer material
10/09/2008DE102007016348A1 Polyethylen Formmasse zum Herstellen von Hohlkörpern durch Thermoformen und damit hergestellte Kraftstoffbehälter A polyethylene composition for the production of hollow bodies by thermoforming and thus made fuel tank
10/08/2008EP1978040A1 Semiconductive polymer composition
10/08/2008EP1976893A1 Method for treating surfaces
10/08/2008EP1976892A1 Copolymers, method for producing them and their use for treating surfaces
10/08/2008EP1814890A4 Isotactic polypropylene containing polymers
10/08/2008CN101283006A Method for producing copolymers made from isobutene and at least one vinylaromatic component
10/08/2008CN100424107C Non-rigid propylene resin composition
10/07/2008US7433761 Use of Raman spectroscopic probe, attached to the conduit of polymerization system, for production of polyethylene, polypropylene or copolymer; correlations or other statistical models to determine properties of interest of a constituent of the conduit content
10/07/2008US7432336 Metallocene catalyst for propylene copolymers with ethylene
10/07/2008US7432220 Method for the preparation of olefin polymerization catalyst support and an olefin polymerization catalyst
10/07/2008US7431567 Wind turbine having a direct-drive drivetrain
10/07/2008CA2414108C Oligomerization using an insoluble metallocene catalyst system
10/02/2008WO2008118576A1 Polydispersity-controlled isoolefin polymerization with polymorphogenates
10/02/2008US20080242821 Bis-adamantyl chromate from 1-adamantanol and chromium (VI) oxide; high density polyethylene synthesis
10/02/2008CA2681458A1 Polydispersity-controlled isoolefin polymerization with polymorphogenates
10/02/2008CA2623800A1 Cycloolefin copolymers, a process for their preparation and the use thereof and catalysts
10/01/2008EP1973955A1 Polyethylene process
10/01/2008CN101277764A Enhancement of surface-active solid-phase heterogenous catalysts
10/01/2008CN101274973A Alpha-olefin-conjugated diene copolymer
10/01/2008CN100422222C Discontinuous metering of catalysts and process auxiliaries into a gas-phase fluidized-bed reactor
10/01/2008CN100422219C Polyaddition catalyst component, polyaddition catalyst and process for preparing addition polymer
09/2008
09/30/2008US7429634 Polymer production at supercritical conditions
09/30/2008CA2454460C Polyethylene films with improved physical properties
09/30/2008CA2296229C Copolymers, and their use as additives for improving the cold-flow properties of middle distillates
09/25/2008WO2008097422A3 Methods of controlling polymer properties
09/25/2008US20080234449 Removal of hydrocarbon residues from catalyst;heating, oxidation; air activated polymer
09/25/2008US20080234448 Recovery and Washing Process for Polymers
09/25/2008US20080234435 Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates
09/24/2008EP1601701A4 Olefin polymers, method of making, and use thereof
09/23/2008US7427649 multi-modal molecular mass distribution; low-molecular-mass ethylene homopolymer; high-molecular-mass copolymer made from ethylene and from another 1-olefin having from 4 to 8 carbon atoms, and from 20 to 30% by weight of an ultrahigh-molecular-mass ethylene copolymer
09/23/2008CA2306034C Crystalline propylene copolymer compositions having improved sealability and optical properties and reduced solubility
09/18/2008WO2008111638A1 Method for producing butene-ethylene copolymer
09/18/2008US20080228253 Surface modifying macromolecules with high degradation temperatures and uses thereof
09/18/2008US20080227940 Olefin Copolymers Containing Hydrolytically Cleavable Linkages and Use Thereof In Degradable Products
09/18/2008US20080226512 Gas distribution plate for fluidized-bed olefin polymerization reactors
09/17/2008EP1970401A1 Monolayer polypropylene film and use thereof
09/17/2008EP1970388A1 Catalyst component for olefin polymerization or copolymerization,preparation method thereof, catalyst containing said catalyst component and use thereof
09/17/2008EP1969022A1 Low molecular weight ethylene interpolymers, methods of making, and uses thereof
09/17/2008EP1969018A1 Solid state process to modify the melt characteristics of polyethylene resins and products
09/17/2008EP1499651B1 Curable base-resistant fluoroelastomers
09/17/2008CN101268108A Ethylene polymer, thermoplastic resin composition comprising the polymer, and molded article
09/17/2008CN101265307A Method for manufacturing shock-absorption raw material
09/17/2008CN101265305A Method for online estimation of reactor split for multimodal polyolefins
09/17/2008CN100418989C Method for preparing lamella silicate modified ethylene-vinyl acetate copolymer
09/16/2008US7425662 Oligomerization of olefins
09/11/2008US20080221280 Method comprises the addition of fresh catalyst system into both the first and the second loop reactors thereby retrieving in a single stream, a final product consisting of two polymer components; efficiency
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