Patents for C08F 4 - Polymerisation catalysts (50,749)
06/1990
06/19/1990US4935576 Polybutene process
06/19/1990US4935475 Process for producing cycloolefin random copolymer
06/19/1990US4935474 Process and catalyst for producing polyethylene having a broad molecular weight distribution
06/19/1990US4935469 Process for producing monodispersed vinyl polymer fine particles
06/19/1990US4935397 Coordination catalyst
06/19/1990US4935394 Catalyst for olefin polymerization
06/19/1990CA1270594A1 Random 1-butene/ethylene copolymer
06/19/1990CA1270476A1 Preparation of spherical magnesium alkoxide particles
06/14/1990WO1990006327A1 Functionalized alpha-olefin copolymers having narrow molecular weight distribution
06/14/1990WO1990006326A1 Process for preparing a high density polyethylene of low oligomer content and high melt index ratio
06/14/1990WO1990006325A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/14/1990WO1990006324A1 Homogeneous or supported vanadium based catalyst for olefin polymerization
06/14/1990CA2005389A1 Process for polymerizing ethylene in a gaseous phase; linear polyethylene with a narrow molecular weight distribution thus produced
06/13/1990EP0372926A1 Process for preparing a high density polyethylene of low oligomer content and high melt index ratio
06/13/1990EP0372617A2 Synthesis of methylaluminoxanes
06/13/1990EP0372483A1 Process to make alumunoxane
06/13/1990EP0372414A2 Method for the preparation of a metallocene component of a heterogeneous catalyst
06/13/1990EP0372328A2 Process for preparing ethylene homo- and copolymers by Phillips catalysis
06/13/1990EP0372239A2 Process for preparing ethylene polymers by means of a vanadium-containing Ziegler catalyst system while destroying the catalyst residue.
06/13/1990CN1042919A Process for polymerizing ethylene obtained polymers of molecular weight wide distribution, treatment of catalyst component
06/12/1990US4933403 Process for the preparation of optically active polyolefins
06/12/1990US4933401 Organo-lithium-aluminum compound
06/12/1990CA1270241A1 Preparation process of a transition metal component for an olefin polymerisation catalytic compound
06/07/1990CA2004613A1 Functionalized alpha-olefin copolymers having narrow molecular weight distribution
06/06/1990EP0371664A2 Catalyst supports
06/06/1990EP0371411A2 A method for producing olefin polymers
06/06/1990CA2004641A1 Use of oligomers of alkenyl groups-substituted aromatics as co-agents
06/06/1990CA2004615A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/06/1990CA2004614A1 Process for preparing a high density polyethylene of low n-paraffin content and high melt index ratio
06/05/1990US4931526 α-olefinic random copolymer and production process thereof
06/05/1990US4931520 Random copolymer containing derivative of bicyclo [2.2.1] hept-2-ene compound
06/05/1990US4931517 Polmerization catalyst of transition metal metallocene, aluminoxane and a silicon-oxygen-carbon component
06/05/1990US4931417 Transition-metal compound having a bis-substituted-cyclopentadienyl ligand of bridged structure
06/05/1990US4931376 Crystalline trans-butadiene polymers
06/05/1990US4931197 Copolymers for α-β-unsaturated dicarboxylic acid esters wherein said esters are comprised of ethoxylated esters, methods for their production as well as their use as lubricant for the working-up of plastics
06/05/1990US4931193 Treatment of catalyst particles
06/05/1990CA1270002A1 Ethylene dimerization and polymerization
06/03/1990CA2004419A1 Process for the preparation of a heterogeneous metallocene catalyst component
05/1990
05/30/1990EP0370864A1 Process for polymerising ethylene with a broad molecular weight distribution, process for the treatment of the catalytic component
05/30/1990EP0370805A2 Improved polybutene process
05/30/1990EP0370477A1 Maleimide copolymer, maleimide block copolymer and method for producing maleimide block copolymer
05/30/1990EP0370372A2 Process for continuously preparing catalysts for low pressure olefin polymerization
05/30/1990CN1042547A Components and catalysts for polymerization of olefins
05/29/1990US4929747 Organic peroxide having a polymerization-regulating ability
05/29/1990US4929683 Organic ether, lewis acid complex
05/29/1990US4929668 Acrylic or vinyl copolymers with hydroxyalkyl acrylates or acrylamides, crosslinking
05/29/1990CA1269793A1 Process for reducing residual monomers in low viscosity polymer-polyols
05/29/1990CA1269791A1 Curable composition and the use thereof
05/28/1990CA2003992A1 Homogeneous or supported vanadium based catalyst for olefin polymerization
05/28/1990CA2003762A1 Catalyst supports
05/25/1990CA2003625A1 Process for the preparation of catalysts for low-pressure polymerization of olefins
05/25/1990CA2003057A1 Linear alternating-block copolymers
05/23/1990EP0369796A2 Production of alfa-olefin polymers
05/23/1990EP0369675A1 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
05/23/1990EP0369604A2 Grafted polymers and process for their preparation
05/23/1990EP0369436A2 Process for the in situ blending of polymers
05/23/1990EP0369287A2 Process for the manufacture of odourless ethylene copolymers
05/23/1990EP0175000B1 Process for producing ethylene copolymer
05/23/1990CN1042366A Alkene polymerization process and catalyst compositions therefor
05/23/1990CN1008098B Process for simultaneously dimerizing ethylene and copolymerizing ethylene with dimerized product
05/23/1990CN1008097B Improved process for polymerization or copolymerization of butadiene
05/22/1990US4927797 Catalyst system for the polymerization of olefins
05/22/1990US4927703 Process for the anionic polymerization of acrylic monomers and optionally of vinyl comonomers
05/22/1990US4927578 Method for producing uncrosslinked polyacetylene film
05/17/1990WO1990005151A1 Method for preparing polyethylene wax by gas phase polymerization
05/17/1990WO1990005150A1 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
05/17/1990WO1990005149A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/16/1990EP0368677A2 Process for producing propylene block copolymer
05/16/1990EP0368644A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/16/1990EP0368631A2 A process for the homo- or copolymerization of alpha-olefin, and a catalyst system used in the process
05/16/1990EP0368415A2 Unsaturated alkyd-containing organic peroxide composition
05/16/1990EP0368344A2 Process for producing alpha-olefin polymers
05/16/1990EP0368292A2 Process for the preparation of aralkyl hydroperoxides
05/16/1990CN1042160A Process for production of high molecular weight ethylene a-olefin elastomer with metallocene alumoxane catalyst
05/16/1990CN1042159A Process for production of high molecular whight epdm elastomers using metallocene-alumoxane catalyst system
05/16/1990CN1042157A Catalysts for polymerization of olefins
05/16/1990CN1042156A Catalyst component used for olefinic polymerization and process of preparation thereof, catalyst used for olefinic polymerization and process for preparing olefin hydrocarbon
05/16/1990CN1042070A Organic fluoride sources
05/15/1990US4926002 Catalyst for olefin polymerization
05/15/1990US4925903 Peroxide containing hindered amine also functions as initiator
05/15/1990US4925821 Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst
05/15/1990CA1269197A1 Process for activation of titanium and vanadium catalysts useful in ethylene polymerization
05/14/1990EP0232364A4 Substituted saccharin compounds and curable compositions containing same.
05/11/1990CA2002604A1 Unsaturated alkyd-containing organic peroxide composition
05/09/1990EP0367597A1 Method for preparing polyethylene wax by gas phase polymerization
05/09/1990EP0367508A1 Mercaptoalkyl acetoacetates, use thereof and a process for the preparation of mercaptoalkyl acetoacetates
05/09/1990EP0367503A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/09/1990EP0367386A2 Improved A1C13 - catalyzed process for preparing poly-n-butenes from mixed butenes
05/09/1990EP0367132A2 Light-sensitive composition
05/09/1990CN1041954A Process for synthesis of olefin polymer or copolymer
05/09/1990CN1041952A Olefin polymerization catalyst system
05/08/1990US4924018 Alkylaluminoxane process
05/08/1990US4923956 Graft polymerization precursor and method of manufacturing the same
05/08/1990US4923939 Ring opening polymerization with organophosphonium and organoarsonium metathesis catalysts
05/08/1990US4923937 Method of polmerizing olefines
05/08/1990US4923936 Heteropolymetallate metathesis catalysts for cycloolefin polymerization
05/08/1990US4923935 Process for producing polyethylene of ultrahigh molecular weight
05/08/1990US4923905 Light curable dental composition
05/08/1990US4923833 Catalyst for olefin polymerization and processes for its production
05/08/1990CA2002436A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst