Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
03/2003
03/04/2003US6528670 Bridged metallocenes for olefin copolymerization
03/04/2003US6528448 Polymerization catalyst compositions and processes to produce polymers and bimodal polymers
02/2003
02/27/2003WO2003016396A1 Bimodal polyethylene composition and articles made therefrom
02/27/2003WO2003016362A1 Ethylene polymerization process
02/27/2003WO2002100153A3 Improved cling film with enhanced polyisobutylene tackifier
02/27/2003WO2002094891A3 Method for the production of olefin polymers and selected catalysts
02/27/2003WO2002004528A3 Fragmentable catalyst support
02/27/2003US20030040587 For use as viscosity modifier, particularly in lube oils, as a thickener, and as a tackifier for plastic films and adhesives; can be functionalized to produce intermediates for manufacture of detergents and dispersants for fuels and lube oils
02/27/2003US20030040427 Pre-polymerized catalyst components for the polymerization of olefins
02/26/2003EP1285945A1 Resin composition for calendering and polyolefin material for leather-like article
02/26/2003EP1285010A1 Process for the gas phase polymerisation of olefins
02/26/2003EP1285006A2 Method for the production of a catalyst system for the polymerisation of olefins
02/26/2003EP1284981A2 Method for producing transition metal compounds and their use for the polymerization of olefins
02/26/2003CN1399640A Monocyclopentadienyl complexes of chromium, molybdenum or tungsten with donor bridge
02/25/2003WO2002016019A2 Method for measuring the level of a medium in a reactor
02/25/2003US6525149 Process for preparing polyolefin products
02/25/2003US6524995 Catalyst systems of the Ziegler-Natta type
02/25/2003US6524988 Highly active supported catalyst compositions
02/25/2003US6524986 Coordination catalyst in catalyst support
02/25/2003US6524985 Organoboroaluminum reaction product of an alkylboronic acid and an alkylaluminum halide, alkylaluminum hydride or alkylaluminum siloxide
02/25/2003CA2420489A1 Method for measuring the level of a medium in a reactor
02/20/2003WO2003014169A2 Optimization of heat removal in a gas-phase fluidized-bed process
02/20/2003WO2003014166A1 Process for producing polymer
02/20/2003US20030036662 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
02/20/2003US20030036658 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
02/20/2003US20030036614 Method for producing highly productive supported ionic catalyst for gas phase polymerization
02/20/2003US20030036613 Resulting from mixing a metallocene and an aluminum alkyl in a solvent until all materials substantially dissolve; adding a noncoordinating anionic compound; heating and removing the solvent to recover a solid free flowing powder
02/20/2003US20030036612 Containing a ligand such as (3-methyl-4-trimethylsilyl-1-cyclopentadienyl)-7-(2,5-dimethyl -cyclopenta(1,2-b:4,3-b')-dithiophene)dimethylsilane
02/20/2003US20030036611 Continuous process for the preparation of solid catalyst components for the polymerization of alpha-olefins
02/20/2003US20030036606 Resin composition comprising ethylene-based polymers and process for its production
02/20/2003US20030036594 Phthalic diester derivatives and electron donors
02/20/2003US20030036472 Polyolefin production
02/20/2003CA2456097A1 Optimization of heat removal in a gas-phase fluidized-bed process
02/19/2003EP1005473B1 Novel organometallic compound, preparation method thereof and process for polymerization of olefins by means of a catalyst composition including the organometallic compound
02/19/2003CN1398272A Propylene impact copolymers
02/18/2003US6521805 During polymerization (catalytic), pressure and concentration are adjusted to maintain viscosity and molecular weight in reactor comprising boiling liquid reaction phase
02/18/2003US6521734 Low-density polyethylene resin for laminating, composition thereof, laminates produced therefrom and process for producing the same
02/18/2003US6521727 Polymerization catalysts and processes therefor
02/18/2003US6521724 Of olefins, using a transition metal coordination catalyst, improving polymer productivity by presence of an oxidizing agent during polymerization
02/18/2003US6521722 Gas-phase polymerization of C2-C8-alk-1-enes
02/18/2003CA2238241C Olefin polymerization processes and products thereof
02/18/2003CA2048032C Gas phase polymerisation
02/13/2003WO2003011919A2 Polymerisation method and device for carrying out a polymerisation method
02/13/2003WO2002096963A3 Non-aqueous release from paper machine equipment
02/13/2003WO2002046249A3 Methods of copolymerizing ethylene and isobutylene and polymers made thereby
02/13/2003WO2002038634A3 Polypropylene having low isotacticity and relatively high melting point
02/13/2003US20030032743 Catalyst for addition polymerization and process for producing an addition polymer
02/13/2003US20030032740 Liquid phase process for the polymerization of olefins using a modified BF3 catalyst which is stabilized with a complexing agent; making high vinylidene polyisobutylene
02/13/2003US20030032551 Titanium complex prepared by reacting a halogenated magnesium compound with an alcohol; reacting the product with an ester containing a hydroxy group and an alkoxy silicon compound; and reacting product with titanium compound and a haloalkane
02/13/2003US20030031813 Made using as polymerization catalyst a cobalt or iron complex of a tridentate ligand comprising pyridine 2,6-disubstituted with arylimino groups; lower permeation to oxygen and/or water; rigid storage tanks
02/13/2003US20030030174 Linear high density polyethylene resins and films, methods and systems for making same
02/12/2003EP1283223A2 Polyolefin production
02/12/2003EP1282652A2 Olefin polymerization catalyst and process and polymer, polymer derivatives, lubricants and fuels thereof
02/12/2003EP1282649A1 Fluidised bed reactor with asymmetric gas inlet
02/12/2003EP1212333B1 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten with a donor bridge
02/12/2003CN1396188A Olefin polymer catalyst, olefin polymerizing method, vinyl polymer obtained by the method and its usage
02/12/2003CN1101408C Method for preventing fouling and sheeting in gas phase reactors
02/11/2003US6518386 Propylene homopolymer having specific characteristics
02/11/2003US6518385 Homopolymers and copolymers of ethylene
02/11/2003US6518384 Preparation of highly branched, liquid polymers of ethylene and/or α-olefins in the presence of aluminum-based catalyst systems
02/11/2003US6518378 High-melting polyolefin copolymer elastomers, catalysts and methods of synthesis
02/11/2003US6518377 Catalyst system comprises: stereorigid isospecific metallocene catalyst component supported upon support; stereorigid syndiospecific metallocene catalyst component supported upon support; and a cocatalyst or lewis acid ionizing agent
02/11/2003US6518376 Ethylene polymers
02/11/2003US6518375 Catalyst for the production of ethylene polymer and process for producing ethylene polymer
02/11/2003US6518373 Polymerizing isobutene in the presence of a catalyst comprising boron trifluoride and at least one cocatalyst in an inert organic solvent
02/11/2003US6518363 Rigidity; impact strength
02/11/2003CA2050815C Solid component of catalyst for the (co)polymerization of ethylene
02/06/2003WO2002088197A3 Solution polymerization process with dispersed catalyst activator
02/06/2003WO2002038629A3 Polymerization process
02/06/2003WO2001098380A3 Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use
02/06/2003US20030027957 Catalysts for olefin polymerization
02/06/2003US20030027955 Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by said process and use thereof
02/06/2003US20030027715 Catalyst for the polymerization of olefins
02/06/2003US20030027714 Late transition metal complexes, their use as catalysts and polymers therefrom
02/06/2003US20030027711 Clay-titanium tetrachloride catalyst and the preparation thereof
02/05/2003EP1012195B1 Process and apparatus for the gas-phase polymerisation
02/05/2003EP0894098B1 High impact lldpe films
02/05/2003CN1395582A Method for producing polybutene
02/05/2003CN1394885A Industrial production method of chlorinated polypropylene by adopting water phase suspension method and its product.
02/05/2003CN1394884A Industrial production method of high chlorinated polyethylene by adopting water phase suspension method and its product
02/05/2003CN1100801C Polyolefin catalyst for propene polymerization and preparation and using method thereof
02/05/2003CN1100799C Method for proudcing cycloolefin or (co) polymers for industrial applications
02/05/2003CN1100798C Catalyst component for olefin polymerization, catalyst and method for proudcing olefin polymer
02/05/2003CN1100784C Method for preparing methylene bridged bicycle petadiene compounds
02/04/2003US6515086 A process for preparing polyolefins having a monomer length of up to C10, which comprises first contacting: (1) a metallocene catalyst component for the preparation of a polyolefin which comprises an isotactic polyolefin or
02/04/2003US6515085 Catalysts for the polymerization of alpha olefins consisting of the product of reaction of the following components: a) An Al trialkyl or an Al alkyl compound containing 2 or more Al atoms linked to each other through an oxygen or nitrogen atom
02/04/2003US6515037 A molded foam using a copolymer of propylene and an alpha-omega diene having been polymerized in the presence of a metallocene supported catalyst and foaming agent; uniform and fine foamed cells; high foaming magnification; extrusion
01/2003
01/31/2003WO2002014385A1 Method for producing polyisobutenes
01/31/2003CA2418032A1 Preparation of polyisobutylenes
01/30/2003WO2003008496A1 Multistep process for the (co)polymerization of olefins
01/30/2003WO2003008459A1 Method for production of multimodal polyolefins of tunable composition, molecular weight, and polydispersity
01/30/2003WO2002051885A3 Nonodorous ethylene homopolymers and copolymers having good mechanical properties
01/30/2003US20030022786 Catalyst for propylene polymerization
01/29/2003EP1278784A2 Catalysts containing n-pyrrolyl substituted nitrogen donors
01/29/2003EP1278756A1 Polymerization catalyst compositions and processes to produce polymers and bimodal polymers
01/29/2003EP1003757B1 Method for producing metallocenes
01/29/2003CN1393480A Process for preparing high-density syndiotactic polypropylene by liquid-phase bulk polymerization
01/29/2003CN1100071C Process for preparing low-molecular, highly reactive polyisobutylene
01/29/2003CN1100070C Process for preparing ziegler-type spherical catalyst for alpha-olefin polymerization, spherical catalyst, spherical polyethylene of ultra-high molecular weight and process for preparing same
01/29/2003CN1100069C Propylene polymer and process for producing same
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