Patents for C08F 210 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (21,762)
05/2001
05/22/2001US6235672 Mixed phosphinimine catalyst
05/22/2001US6235671 Olefin polymerization catalyst
05/22/2001US6235069 Ethylene-vinyl formate copolymers, process for their preparation, their use as flow improvers, and fuel and propellant compositions comprising them
05/22/2001US6234950 Nitrogen substituted phosphinimine ligand
05/17/2001WO2001034664A1 Catalyst compositions and method of polymerization therewith
05/17/2001WO2001034661A1 Polymerization catalyst and process
05/17/2001CA2395681A1 Catalyst compositions and method of polymerization therewith
05/16/2001EP1099715A1 Transition strategy for the production of sticky polymers
05/16/2001EP1098915A1 Method of preparation of ethylene copolymers suitable for manufacturing films and pipes
05/16/2001CN1295496A Ion exchanged aluminium-magnesium or fluorinated magnesium silicate aerogels and catalyst supports therefrom
05/16/2001CN1295083A Method of polymerisation reaction by feeding monomer for liquid copolymerizion in fluidized-bed reactor
05/16/2001CN1065878C Oil composition containing additives
05/15/2001US6232484 Bridged zirconocene compounds, process for their preparation and their use as catalyst components in the polymerization of olefins
05/15/2001US6232420 Polymers from ionic metallocene catalyst compositions
05/15/2001US6232416 Olefin polymerization comprising group 5 transition metal compounds in their highest metal oxidation state
05/15/2001US6232415 Process to produce a monovinylaromatic/ monoolefin polymer and said monovinylaromatic/monoolefin polymer
05/15/2001US6232413 Method for producing cycloolefin (CO) polymers for use in optical data memories
05/15/2001US6232261 Reaction product of an aluminoxane or product of an alkylaluminum and water with a silicon-containing compound, for example diphenylsilane diol; olefin polymerization catalyst, especially a metallocene complex
05/15/2001US6232260 Single-site catalysts for olefin polymerization
05/15/2001US6232257 Comprises (1) an alkyl aluminum component, (2) an aluminum or gallium trihalide component, and, optionally, (3) a group 4 metallocene dihalide component.
05/15/2001US6232255 Contact product of organosilicon surface-treated silica; an alkyl magnesium-containing species; a carbon, silicon or germanium chalcogenide; and a tetravalent titanium compound.
05/15/2001US6231804 Modified olefin (co)polymer composition, process for preparing the same, and modified olefin (co)polymer composition molding
05/15/2001CA2117888C High temperature polymerization process using ionic catalysts to produce polyolefins
05/10/2001WO2001032771A1 Polymer blend and fabricated article made from diverse ethylene interpolymers
05/10/2001WO2001032758A1 Propylene copolymer foams and their use
05/10/2001WO2001032309A1 Polymerization catalyst systems, methods of making and uses therefor
05/10/2001WO2001032307A1 Polymerization catalyst systems and processes using alkly lithium compounds as a cocatalyst
05/10/2001WO2001000690A3 Multi-stage process for producing polyethene
05/10/2001CA2389308A1 Polymerization catalyst systems, methods of making and uses thereof
05/09/2001EP1097949A1 Ethylene/alpha-olefin copolymer and film made thereof
05/09/2001EP1097175A1 Aluminum-based lewis acid cocatalysts for olefin polymerization
05/09/2001EP1097161A1 Tethered monocyclopentadienyl polymerization catalysts
05/09/2001CN1294613A Polyolefin resin compsn, laminate thereof, and process for producing same
05/08/2001US6228960 Efficient catalysis using an insoluble vanadium 1,3-diketonate complex suspended in hydrocarbon solution of trimethylaluminum cocatalyst to yield elastomer having improved crystallinity and molecular weight distribution
05/08/2001US6228958 Metallocene having high activity at higher temperatures for efficient solution polymerization of ethylene
05/08/2001US6228957 Efficient ethylene polymerization catalyzed by mixture of ziegler-natta catalyst, trimethylaluminum, and an ether-containing external electron donor compound
05/08/2001US6228956 Process for the gas-phase polymerization of olefins
05/08/2001US6228795 Polymeric supported catalysts
05/08/2001US6228790 Dinuclear metallocene catalyst for preparing high molecular weight olefin polymer
05/08/2001CA2207459C Processes to produce organo-aluminoxane compositions
05/03/2001WO2001030871A1 Gas phase polymerization process
05/03/2001WO2001030870A1 Olefin copolymer, film, and sheet
05/03/2001WO2001030863A1 A method for preparing a supported catalyst system and its use in a polymerization process
05/03/2001WO2001030862A1 Start up methods for multiple catalyst systems
05/03/2001WO2001030861A1 Catalyst compositions, methods of polymerization, and polymers therefrom
05/03/2001WO2001030860A1 Catalyst systems and their use in a polymerization process
05/03/2001WO2001030785A1 Carbenium cationic complexes suitable for polymerization catalysts
05/03/2001WO2001030495A1 Ion exchange resins and methods of making the same
05/03/2001DE10053910A1 Propylene block copolymer composition for production of transparent moulded products, e.g. for cars, contains two statistical propylene-ethylene copolymers with specified inherent viscosity relationships
05/03/2001CA2388137A1 Catalyst compositions, methods of polymerization, and polymers therefrom
05/03/2001CA2387874A1 Carbenium cationic complexes suitable for polymerization catalysts
05/02/2001EP1095951A1 Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same
05/02/2001EP1095944A1 Single-carbon bridged bis cyclopentadienyl compounds and metallocene complexes thereof
05/02/2001EP1095095A1 Film for wrapping
05/02/2001EP1083183A9 Process for producing polyolefins
05/02/2001EP0751967B1 Linear low density polyethylene
05/02/2001CN1293677A Bridged metallocenes preparation, use in catalytic system
05/02/2001CN1293592A Continuous slurry polymerization volatile removal
05/02/2001CN1293209A Olefin hydrocarbon polymerization catalyst, method of preparing olefinic polymer, and olefinic polymer
05/01/2001US6225428 Providing a supported metallocene-alumoxane catalyst; contacting with olefin in polymerization zone to produce polyolefin
05/01/2001US6225427 Olefin polymerization process employing metallocene catalyst provided by cocatalyst activation of a metallocene procatalyst
05/01/2001US6225426 Process for producing polyolefin elastomer employing a metallocene catalyst
05/01/2001US6225424 Polyethylene resin as a material of a container for a high purity chemical, and a container for a high purity chemical made thereof
05/01/2001US6225423 As polymerization catalyst used in olefin polymerization
05/01/2001US6225421 Suspension polymerizing ethylene in polymerization reactor; withdrawing, degassing, subjecting mixture with ethylene, 1-hexene and optionally one alpha-olefin to suspension polymerization
05/01/2001US6225420 Procatalyst and process for the preparation of a multimodal ethylene polymer
05/01/2001US6225414 Flexibility, transparency and impact resistance at low temperature
05/01/2001US6225410 Moldability; for producing films having transparency and mechanical strength
05/01/2001US6225395 Storage stable and low viscosity; used as flocculants for processing industrial and urban waste water; thickener and treating agent for floors
05/01/2001US6225253 Titanated chromium/silica-aluminophosphate catalyst
04/2001
04/26/2001WO2001029096A1 High activity carbenium-activated polymerization catalysts
04/26/2001WO2001029094A1 Process for producing olefin polymer
04/26/2001CA2397818A1 High activity carbenium-activated polymerization catalysts
04/25/2001EP1094083A2 Catalyst for olefin polymerization, method for producing olefin polymer, and olefin polymer
04/25/2001EP1093475A1 Catalyst for the polymerisation of olefins
04/25/2001CN1292802A Homopolymers and copolymers of ethylene
04/25/2001CN1292390A Solid catalyst component and catalyst for olefin polymerization, its preparing method, and process for preparing olefin polymer
04/24/2001US6222081 Catalysts suitable for decreasing the cold filter plugging point of middle distillates
04/24/2001US6221992 Ethylene-propylene copolymer
04/24/2001US6221984 Random propylene copolymer
04/24/2001US6221983 Dispersion polymerization in the presence of metallocene catalyst
04/24/2001US6221982 High density polyethylene using ziegler-natta catalyst
04/24/2001CA2090972C Supported monocyclopentadienyl transition metal olefin polymerization catalysts
04/19/2001WO2001027168A1 Supported metallocene catalyst system for olefin polymerization
04/19/2001WO2001027125A1 Single-site catalysts for olefin polymerization
04/19/2001WO2001026806A2 Possibly dicationic non-metallocene group 4 metal complexes with anionic n, o or p ligands
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
04/19/2001DE10048968A1 Titanium, zirconium or hafnium compound, useful as a catalyst for the polymerization of olefins, has phosphinimine and conjugated or non-conjugated diene ligands.
04/19/2001CA2387258A1 Dicationic non-metallocene group 4 metal complexes
04/18/2001EP1092731A1 Catalytic system, process for its preparation and that of an ethylene-conjugated diene copolymer
04/18/2001EP1092730A1 Process for producing olefin polymer and olefin polymer
04/18/2001EP1091987A1 Wax crystal modifiers formed from dialkyl phenyl fumarate
04/18/2001EP1091986A1 Fluorine-containing maleic acid terpolymer soil and stain resists
04/18/2001EP1091984A1 Propylene olefin copolymers
04/18/2001EP0910593B1 Elastomers and process for their manufacture
04/18/2001EP0906343B1 Mixed transition metal catalyst systems for olefin polymerization
04/18/2001EP0828768B1 Homopolymers and copolymers of cationically polymerizable monomers and method of their preparation
04/18/2001EP0739906B1 Process for producing aromatic vinyl compound polymer composition and catalyst for producing aromatic vinyl compound polymer composition
04/18/2001EP0642539B1 Reactive, low molecular weight, viscous poly(1-olefins) and copoly(1-olefins) and their method of manufacture
04/18/2001CN1292014A Polyolefin polymer dispersion product and its preparing process