Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
06/2003
06/18/2003CN1111544C Process for preparation of olefinic polymers using supported metallocene catalyst
06/18/2003CA2365718A1 High temperature ziegler-natta solution catalysts
06/17/2003US6579998 Reacting a transition metal(titanium, zirconium or hafnium) containing compound which consists of two amine groups with a cationic Lewis or Bronsted acid capable of abstracting a methyl from the metal of olefin polymerization pre-catalyst
06/17/2003US6579962 Heat shrinkable film; isotactic polymer produced using such as racemic dimethylsilyl bis(2-methylindenyl)zirconium dichloride catalyst
06/17/2003US6579961 Ethylene styrene interpolymers with double reverse styrene incorporation
06/17/2003US6579959 Process for producing isobutylene polymers
06/17/2003US6579823 Group 8-10 metal complex comprising a bidentate or variable denticity ligand; polymerization of olefins
06/17/2003US6579822 Coordination polymerization catalyst
06/12/2003WO2003047839A1 Oxygen tailoring of polyethylene resins
06/12/2003WO2003047753A1 Microparticulate material
06/12/2003WO2003047752A1 Method of making mixed ziegler-natta/metallocene catalysts
06/12/2003WO2003047751A1 Bimetallic catalysts with higher activity
06/12/2003US20030109766 Catalytic composition for dimerizing, co-dimerizing and oligomerizing olefins
06/12/2003US20030109765 Catalytic production of olefins at high methanol partial pressures
06/12/2003US20030109730 Coordination catalyst for alpha-olefin polymerization
06/12/2003US20030109652 Catalyst system
06/12/2003US20030109412 Propylene polymers with an ultra high melt flow rate
06/12/2003US20030109379 Unique supported metallocene catalyst for producing syndiotactic styrenic polymer
06/12/2003US20030109377 Addition polymerization catalyst comprising a metallocene catalyst supported on mesoporous molecular sieve and a methyl aluminoxane cocatalyst; preparing polyethylene
06/12/2003CA2466612A1 Bimetallic catalysts with higher activity
06/12/2003CA2465570A1 Method of making mixed ziegler-natta/metallocene catalysts
06/11/2003EP1317493A2 METHOD FOR PREPARING A CATALYST SUPPORT FOR POLYMERISING ETHYLENE AND $g(a)-OLEFINS, RESULTING SUPPORT AND CORRESPONDING CATALYST
06/11/2003EP1317490A1 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
06/11/2003EP0977786B1 Premium pipe resins
06/11/2003CN1423677A Process for producing a polyethylene coating on a substrate
06/11/2003CN1423664A Partly crystalline propylene polymerisate composition for production of biaxial-stretched polypropylene films
06/11/2003CN1423663A Process for reducing the weight average molecular weight and melt index ratio of polyethy lenes and polyethylene products
06/11/2003CN1423653A Mixed metal alkoxide complexes and polymerization catalysts made therefrom
06/11/2003CN1423578A Organometal compound catalyst
06/11/2003CN1422875A Method of conversion between ziegler-Natta catalyst and, metallorene used in integral circuit reactor for producing polypropylene
06/11/2003CN1422874A Olefine polymerization catalyst, synthesis method and its use
06/11/2003CN1111174C Method for preparing ethylene polymer composition
06/11/2003CN1111173C Process for the preparation of ethylene polymer and ethylene polymer
06/10/2003US6576779 Catalyst compositions and processes for olefin polymers and copolymers
06/10/2003US6576729 Silylene catalysis of olefin polymerization
06/10/2003US6576726 Titanium, zirconium, hafnium, vanadium, niobium, or tantalum metal cyclopentylindenyl complex and alumoxane activator
06/10/2003US6576723 Coordination catalyst comprising metallocene, organoboroaluminum, Lewis base and organometallic compound
06/10/2003US6576719 Isobutene polymerization process
06/10/2003US6576710 Using catalyst comprising transition metal and organometallic compounds; addition polymerization, catalysis
06/10/2003US6576583 Metallocene, organoaluminum compound, and a treated solid oxide having titanium tetrafluoride or zirconium tetrafluoride deposited on the surface; for olefin polymerization
06/10/2003US6576306 Propylene polymers for films
06/10/2003CA2364756A1 Catalyst activator
06/10/2003CA2229172C Films comprising metallocene catalyzed polyethylene
06/05/2003WO2003046023A1 Porous polymers of propylene
06/05/2003WO2003046022A1 Process for the treatment of polymer compositions
06/05/2003WO2003045964A1 Metallocene compounds and process for the preparation of propylene polymers
06/05/2003WO2003045551A1 Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins
06/05/2003WO2002085820A3 Chiral organic compounds and metal coordination complexes thereof
06/05/2003WO2002050127A3 Start-up procedure for multiple catalyst polymerization systems
06/05/2003US20030105254 Catalyst precursor and olefin polymerization processes
06/05/2003US20030105253 Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use
06/05/2003US20030105252 Combining an alkenyl substituted indenyl (t-butylamido)dimethyl silane titanium dichloride half sandwich metallocene cocatalyst in liquid to with cocatalyst form a liquid catalyst system, conducting prepolymerization
06/05/2003US20030105251 Methods for adjusting melt properties of metallocene catalyzed olefin copolymers
06/05/2003US20030105247 Process for the controlled production of polyethylene and its copolymers
06/05/2003US20030105237 Polyolefin molding composition having a broad melting range, process for its preparation, and its use
06/05/2003US20030104929 Polymerisation catalyst
06/05/2003US20030104928 Bridged metallocene catalyst compounds for olefin polymerization
06/05/2003US20030104927 Latent metallocene catalyst systems for olefin polymerization
06/05/2003US20030102639 Small portable instrument
06/04/2003EP1316566A2 Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
06/04/2003EP1315858A1 Polypropylene fibers and fabrics
06/04/2003EP1226180A4 Organometal catalyst compositions
06/04/2003EP1159311B1 Process for producing polyethylene
06/04/2003EP1141045B1 Multistep process for preparing polyolefins having high melt strength
06/04/2003EP0963365B1 Solid acids as catalysts for the preparation of hydrocarbon resins
06/04/2003CN1422287A Saline chemical composition method for producing the same and the use thereof in catalyst systems for producing polyolefins
06/04/2003CN1422286A Modified particle, support, catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
06/04/2003CN1421468A Propylene polymerizing or copolymerizing process
06/04/2003CN1421467A In-situ copolymerization catalyst system for preparing linear low-density polyethylene
06/04/2003CN1421424A Comprehensive utilization of wax in cracking to prepare alpha-olefine
06/04/2003CN1110506C Process and apparatus for the gas-phase polymerization of alpha-olefins
06/04/2003CN1110467C Process for producing alpha-olefins
06/04/2003CN1110366C Non self-igniting solid
06/04/2003CN1110360C Improvement on fluidized-bed polymerizing reactor
06/03/2003US6573353 Polypropylene which contains about 80 to about 150 branches per 1000 methylene groups
06/03/2003US6573352 Olefinic polymer
06/03/2003US6573350 Branched semi-crystalline high-C3 ethylene-propylene compositions
06/03/2003US6573345 Late transition metal pyrrolaldimine chelates, especially bidentate
06/03/2003US6573343 Multistep process for preparing polyolefins having high melt strength
06/03/2003CA2246003C Solid support for activating metallocene catalysts in olefin polymerization, its preparation process, corresponding catalytic system and polymerization process
06/03/2003CA2119737C Activation of catalyst in ethylene polymerization at high temperatures
06/03/2003CA2085497C Continuous powder catalyst supply apparatus and catalyst supply system
05/2003
05/30/2003WO2003044067A1 Improved olefin polymerization process
05/30/2003WO2003044066A2 Copolymers of olefins and vinyl- and allylsilanes
05/30/2003WO2003044064A1 Polymerisation control process
05/30/2003WO2003044063A1 Plastic pipes of polyolefins
05/30/2003WO2003044062A1 Polymerization catalyst for olefins and process for polymerization of olefins
05/30/2003WO2003044061A1 Polymerization monitoring and control using leading indicators
05/30/2003WO2003044030A1 Multimer forms of acylphosphines and their derivatives
05/30/2003WO2003025027A3 Supported phosphinimine polymerization catalyst
05/30/2003CA2467576A1 Multimer forms of acylphosphines and their derivatives
05/30/2003CA2466493A1 Polymerization monitoring and control using leading indicators
05/30/2003CA2465831A1 Plastic pipes of polyolefins
05/30/2003CA2433042A1 Copolymers of olefins and vinyl- and allylsilanes
05/29/2003US20030100688 Continuous gas phase polymerization for producing polyethylene and interpolymers of ethylene and one other olefin in presence of Ziegler-Natta catalyst, addition of a nonaromatic halohydrocarbon to increase catalyst activity
05/29/2003US20030100441 Polymerization of olefin
05/29/2003US20030100440 To produce highly stereoregular alpha - olefin polymer containing an extremely little catalyst residue
05/29/2003US20030100119 Combinatorial synthesis and screening of supported organometallic compounds and catalysts
05/28/2003EP1314005A2 Method for measuring the level of a medium in a reactor
05/28/2003EP1313782A1 Polypropylene polymers