Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
05/1999
05/11/1999US5902866 Azaborolinyl metal complexes as olefin polymerization catalysts
05/11/1999US5902766 Alumoxanes, catalysts utilizing alumoxanes and polymers therefrom
05/11/1999US5902765 Solid catalyst components for olefin polymerization
05/11/1999US5902764 Catalyst system for the polymerization of olefins; process for this polymerization and polymers thus obtained
05/11/1999US5902654 Using transition metal catalyst in bag as polymerization vessel
05/11/1999CA2096305C Process for the preparation of magnesium chloride particles with a polyhedral structure; magnesium chloride particles with a polyhedral structure. catalytic component supported bythese particles. polyolefins prepared with said catalytic component.
05/06/1999WO1999021899A1 Catalysts and processes for the polymerization of olefins
05/06/1999WO1999021898A1 Magnesium halide based metallocene catalyst system
05/06/1999WO1999021896A1 Catalysts for the polymerization of olefins and process for the preparation thereof
05/06/1999WO1999021895A1 Process
05/06/1999EP0912618A2 Olefin polymerization process with alkyl-substituted metallocenes
05/06/1999EP0912617A1 Components and catalysts for the polymerization of olefins
05/06/1999EP0912585A1 Metallocene compounds
05/06/1999EP0912244A1 Comonomer pretreated bimetallic catalyst for blow molding and film applications
05/06/1999EP0811023B1 Process for producing polymers of vinyl aromatic compounds using polymer-containing catalyst systems
05/06/1999EP0802933B1 Multi-component polyolefin catalysts
05/06/1999EP0720629B1 Multistage process for the (co)polymerization of olefins
05/06/1999CA2276173A1 Catalysts and processes for the polymerization of olefins
05/06/1999CA2274903A1 Catalysts for the polymerization of olefins and process for the preparation thereof
05/05/1999CN1215734A 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
05/05/1999CN1043233C Catalyst for polymerizing olefines and use thereof
05/05/1999CN1043232C Catalyst composition and use thereof in (co) oligomerization or (co) oligomerized olefine
05/04/1999US5900497 Process for preparing metallocene procatalysts
05/04/1999CA2161419C Process for polymerizing monomers in fluidized beds
04/1999
04/29/1999WO1999020665A1 Preparation of multimodal polymer compositions using multinuclear metallocene catalysts
04/29/1999WO1999020664A2 Elastic polypropylenes and catalysts for their manufacture
04/29/1999WO1999020663A2 High impact, flexural moduli polymeric materials formed using sequential donors
04/29/1999WO1999020661A1 Supported metallocene catalyst, process for preparing the same, and process for producing olefin polymers
04/29/1999WO1999020660A1 Polymerization catalyst systems, their preparation and use
04/29/1999WO1999020637A1 Metallocene catalysts and preparation and use
04/29/1999WO1999020636A1 Process for preparing group vi metal-based olefin polymerization catalyst component
04/29/1999WO1999020392A1 Method for producing supported transition metal catalysts
04/29/1999CA2308160A1 Process for preparing group vi metal-based olefin polymerization catalyst component
04/29/1999CA2306987A1 Preparation of multimodal polymer compositions using multinuclear metallocene catalysts
04/29/1999CA2306986A1 Metallocene catalysts and preparation and use
04/28/1999EP0911346A2 Ethylene copolymer and aromatic vinyl graft copolymer and method for producing the same
04/28/1999EP0910593A1 Elastomers and process for their manufacture
04/28/1999EP0910591A1 Syndiotactic/atactic block polyolefins, catalysts and processes for producing the same
04/28/1999EP0910590A1 Substituted carboxylated derivatives
04/28/1999EP0910471A1 Supported metallocene catalyst for olefin polymerization
04/28/1999EP0910470A1 High activity catalysts for the preparation of polyethylene with an intermediate molecular weight distribution
04/28/1999EP0785956B1 Polymerization catalyst systems, their production and use
04/28/1999EP0772664B1 Hydrogenated reaction products of polyolefins and nitrogen oxides or mixtures of nitrogen oxides and oxygen and their use as additives for fuels or lubricants
04/28/1999CN1215410A Novel composition, its preparation and use
04/28/1999CN1215408A Polymerization process for producing polyolefin elastomer, cation-generating cocatalyst for activating a metallocene procatalyst
04/28/1999CN1214958A Fluidized bed polymerization reaction equipment and olefines polymerization reaction method
04/28/1999CN1043148C Polypropylene composition and application thereof
04/28/1999CN1043144C Prepolymerized catalyst, catalyst for olefin polymerization, polymerization process of olefin and olefin polymer
04/27/1999US5898053 Polymerizing from ethylene, propylene or mixture of both with one or more alpha-olefins in gas phase in a fluidized bed by continuously withdrawing from the catalyst bed unreacted olefin monomers, recylcing, cooling and separating
04/27/1999CA1340514C Lower alkene polymers
04/22/1999WO1999019337A1 Metallocenes with ferrocenyl-substituted bridges used in olefin polymerization
04/22/1999WO1999019335A1 Novel polymerisation catalysts
04/22/1999WO1999019059A1 Gas phase polymerisation in a bell-shaped reactor
04/22/1999WO1999006448A8 Catalysts based on fulvene metal complexes
04/22/1999DE19746280A1 Production of supported transition metal catalyst, used for copolymerization of carbon monoxide and olefinic compounds
04/22/1999CA2306173A1 Gas phase polymerisation in a bell-shaped reactor
04/21/1999EP0909285A1 Method for producing cycloolefin (co)polymers for use in optical data memories
04/21/1999EP0909284A1 Method for producing thermoplastic elastomers
04/21/1999EP0909283A1 Method for producing high melting-point polyolefins
04/21/1999EP0909282A1 Method for producing cycloolefin (co)polymers for technical applications
04/21/1999EP0909281A1 Method for producing elastomers
04/21/1999EP0909279A1 Process for preparing carrier-borne transition metal catalysts
04/21/1999EP0797621B1 Polyethylene composition
04/21/1999CN1214700A Allyl containing metal complexes and olefin polymerization process
04/21/1999CN1214699A Highly soluble olefin polymerization catalyst activator
04/21/1999CN1214698A Solution polymerization process with dispersed catalyst activator
04/21/1999CN1214687A Heteroatom substituted metallocene compounds for polymerization catalyst system and method for preparing them
04/21/1999CN1214342A Activator solid support for metallocene catalysts in polymerization of olefins, process for preparing such support, and corresponding catalytic system and polymerization process
04/20/1999US5895771 Fluorinated alkoxy and/or aryloxy aluminates as cocatalysts for metallocene-catalyzed olefin polymerizations
04/20/1999US5895770 Olefin polymerization catalysts with specific silica supports
04/15/1999WO1999018135A1 Catalyst system
04/15/1999WO1999003896A9 Improved gas phase fluidized bed polymerization process using sonic cleaner with optimum design and operation
04/15/1999DE19744710A1 Fluidized bed reactor for gas phase polymerisation
04/15/1999DE19744102A1 Metallocene catalyst system useful in (co)polyolefin production
04/14/1999EP0908474A2 Process for the polymerization of olefins
04/14/1999EP0908472A2 Olefin polymerization catalyst precursor
04/14/1999EP0908471A2 Olefin polymerization catalyst precursor
04/14/1999EP0908470A2 Olefin polymerization catalyst precursor
04/14/1999EP0908469A2 Olefin polymerization catalyst precursor
04/14/1999EP0908468A2 Process for the (co)polymerisation of olefins
04/14/1999EP0907665A1 Supported late transition metal catalyst systems
04/14/1999EP0907655A1 Catalyst for the production of olefin polymers
04/14/1999EP0865316A4 Catalyst for the manufacture of polyethylene with a narrow molecular weight distribution
04/14/1999CN1214055A Stable metallocene catalyst systems
04/14/1999CN1213668A Method of controlling gas flow rate in gas phase polymerization apparatus and gas phase polymerization apparatus
04/14/1999CN1042899C Catalyst compsns. and catalytic processes
04/13/1999CA2163467C Process for preparing an in situ polyethylene blend
04/13/1999CA2155236C Gas phase polymerization process
04/08/1999WO1999016797A1 High melt strength polypropylene
04/08/1999WO1999016796A1 Low-density polyethylene resin for laminating, composition thereof, laminate produced therefrom and process for producing the same
04/08/1999CA2304777A1 Low-density polyethylene resin for laminates, composition thereof and laminates using the same and production method therefor
04/07/1999EP0906922A2 Process for the polymerization of olefins
04/07/1999EP0906920A1 Activator solid support for metallocene catalysts in the polymerisation of olefins, its corresponding preparation process, catalytical system and polymerisation process
04/07/1999EP0906914A2 Solid aluminoxane for catalyst carrier, process for preparing the same, and uses thereof
04/07/1999EP0906782A1 A fluidized bed polymerization apparatus and an olefin polymerization process
04/07/1999EP0906350A1 Frangible spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon
04/07/1999EP0906349A1 Aggregate supports and olefin polymerization catalysts supported thereon
04/07/1999EP0906348A1 Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof
04/07/1999EP0906347A1 Polyolefin microspheres
04/07/1999EP0906344A1 Elevated pressure polymerization processes with late transition metal catalyst systems