Method of changing between incompatible polymerization catalysts in a gas-phase fluidized-bed reactor

Activating supports for metallocene catalysis

Process for the preparation of an olefin polymerisation catalyst

Catalysts for ethylene polymerization, main catalyst components thereof and process for preparing the same

Process for preparing a poly-1-olefin in the presence of a Ziegler catalyst

Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process

Process for the preparation of a catalyst component for the polymerization of an olefin

Process for producing olefin polymer and solid titanium catalyst component

Polyolefin production

Catalyst Comprising Chromium and Zinc for Olefin Polymerization and Process for Preparing It

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns

Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins

Spherical particles

Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor

Supported nonmetallocene olefin polymerization catalyst, preparation method and use thereof

Catalyst system consisting of a carrier and of a co-catalyst

Propylene polymer catalyst donor component

Catalyst systems and their use in polymerization processes

Methods to prepare catalyst compositions comprising small silica support materials

Propylene polymer catalyst donor component

Heterophasic polymer composition and process for its preparation

Outer sheath layer for power or communication cable

Propylene polymer catalyst donor component

Process for preparing catalyst components for the olefin polymerization

Ziegler-type catalysts having increased productivity

Polyolefin production with a high performance support for a metallocene catalyst system

Prepolymerized catalyst for olefin polymerization, process for polymerizing olefin by using the catalyst and polyolefin produced by the process

Preparation method of solid titanium catalyst for olefin polymerization

Process for preparing 1-olefin (co) polymers

Succinate-containing polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins

Catalyst for olefin polymerization and preparation thereof and polymerization process

Bimodal polyethylene composition and articles made therefrom

Polymer supported metallocene catalyst composition for polymerizing olefins

Propylene polymer catalyst donor component

Olefin polymerization process in the presence of an anti-fouling agent

Olefin polymerisation catalyst containing a cycloakane dicarboxylate as electron donor

Ethylene copolymers and their uses

Solid titanium catalyst component, catalyst for polymerization of olefin and process for producing olefin polymer

Production of broad molecular weight polyethylene

Robust spray-dried ziegler-natta procatalyst and polymerization process employing same

Olefin polymerization process

Ultra high molecular weight ethylene copolymer powder

Polymerization reactor operability using static charge modifier agents

GAS PHASE PROCESS FOR POLYMERS WITH GROUP 4 METAL COMPLEX CATALYST ADDITION

Propylene Polymer, Composition Comprising the Polymer, and Molded Product Obtained Therefrom

Isotactic-atactic polypropylene and methods of making same

Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst

Magnesium-containing carrier component and application to olefin polymerization

Formation of Ziegler-Natta catalyst

Transition metal catalysts and formation thereof

Preparation Method Of Solid Titanium Catalyst For Olefin Polymerization

Multistep Process for Preparing Heterophasic Propylene Copolymers

Process for the Preparation of Porous Ethylene Polymers and Porous Polymer Obtainable Thereof

Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

Method for preparing solid catalysts for ethylene polymerization and copolymerization

Supported catalyst for olefin polymerization

Transition metal catalyst and formation thereof

Main catalyst component for olefin polymerization, a process for preparing the same and a catalyst comprising the same

MAGNESIUM COMPOUND, SOLID CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, AND METHOD FOR PRODUCING POLYOLEFIN

Method of polymerizing propylene comprising olefin pre-polymerization step

Olefin polymerization procatalyst compositions and method of preparation

Preparation of supported catalysts for polymerization

Ziegler-natta catalyst for olefin polymerization including aryloxy group and method for polymerization of olefin using same

Propylene polymer catalyst donor component

Catalyst component for olefin (co)polymerization, preparation thereof, a catalyst comprising the same and use thereof

Method for preparing ethylene polymerization catalysts

Polymerization process using metallocene catalyst systems

Tridentate metal catalyst for olefin polymerization

Process for forming a Ziegler-Natta catalyst system having a controlled morphology

Gas-phase polymerization process to achieve a high particle density

Solid catalyst component and process for the (co) polymerization of ethylene

Catalyst systems of the ziegler-natta type and a process for preparing them

Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process

Plastics pipes of polyolefins

Multistep process for preparing heterophasic propylene copolymers

Spray-dried, mixed metal ziegler catalyst compositions

Preparation of polymerization catalyst activators utilizing indole-modified silica supports

Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene

Novel polymerisation catalyst

Self-extinguishing catalyst composition with monocarboxylic acid ester internal door and propylene polymerization process

Self limiting catalyst composition and propylene polymerization process

Supported catalyst for olefin polymerization

Bimodal polyethylene composition and articles made therefrom

Olefin polymerization process with improved operability and polymer properties

Cocatalysts for olefin polymerizations

Process for preparing porous polymers and polymers thereof

Multistep process for preparing heterophasic propylene copolymers

Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions

Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions

High density ethylene homopolymers and blend compositions

Hydrophobization and silica for supported catalyst

Novel combinations of silane electron donors for use in catalyst compositions

Silica supported ziegler-natta catalysts useful for preparing polyolefins

Catalyst system for production of polyolefins

Catalyst composition with mixed sca and propylene polymerization process

Polyolefin production

Production of broad molecular weight polyethylene

Solid catalyst component for polymerization and copolymerization of ethylene, and, process for obtaining the same

Process for transitioning between Ziegler-Natta-based and chromium-based catalysts

Magnesium-containing carrier components and application thereof to olefin polymerization

Chromium-based catalysts in mineral oil for production of polyethylene

Polyorganosilsesquioxane supported metallocene catalysts

Method for the preparation of olefin polymerization catalyst support and an olefin polymerization catalyst

Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor

Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene

Supported metallocene catalyst and olefin polymerization using the same

Diketonate complex-derived catalysts useful for preparing polyolefins

Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor

High-activity magnesium-supported catalyst and method of preparing polyolefin using the same

Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer

Catalyst components for the polymerization of olefins

Production of broad molecular weight polyethylene

Supported chromium catalyst and its use for preparing homopolymers and copolymers of ethylene

Polymer compositions and method of making pipes

Olefinic polymer and process for producing the same

Magnesium dichloride-based adducts and catalyst components obtained therefrom

Transition metal compound, ligand system, catalyst system and its use for the polymerization and copolymerization of olefins

Catalyst compounds, catalyst systems thereof and their use in a polymerization process

Spheric catalyst component for olefin polymerization and catalyst comprising the same

Double loop technology

Production of broad molecular weight polyethylene

Solid catalyst component for α-olefin polymerization, process for producing catalyst therefor, and process for producing α-olefin polymer

Modified Ziegler catalyst, process for preparing it and process for preparing poly-1-olefins in its presence

Method for producing a poly-1-olefin in the presence of a Ziegler catalyst

Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof

Polyolefin production with a high performance support for a metallocene catalyst system

Catalyst component for ethylene polymerization, the preparation thereof and catalyst comprising the same

Olefin polymerization catalyst and olefin polymerization method using the same

Ziegler-natta catalyst for polyolefins

Spherical catalyst for olefin polymerization

Polyamide supported metallocene catalysts

Polyethylene catalyst and a process for preparing the same

Spherical catalyst for olefin polymerization

Polymerization reactor operability using static charge modifier agents

Hydrophobization and silica for supported catalyst

Supported activator

Catalyst system for ethylene (co)-polymerization

Polymerization process using metallocene catalyst systems

Catalyst component and catalyst for olefin polymerization as well as use thereof

Crystalline polymer of higher α-olefin and process for producing the same

Production of supported olefin polymerisation catalysts

Process for the polymerization of olefins

Process for forming Ziegler-Natta catalyst for use in polyolefin production

Process for producing solid catalyst component and catalyst for α-olefin polymerization, and process for producing α-olefin polymer

Bimodal polyolefin production process and films therefrom

Olefin polymerization catalyst compositions and method of preparation

Polymerization process

Catalyst compounds, catalyst systems thereof and their use in a polymerization process

Polyamide supported metallocene catalysts

Process for the treatment of polymer compositions

Catalyst solid comprising pyrogenic silica for olefin polymerization

Bimodal polyolefin production process and films therefrom

Supported chromium oxide catalyst for the production of broad molecular weight polyethylene

Preparation of preparing substituted indanones

Plastics pipes of polyolefins

Olefin polymerization with pyridine moiety-containing single-site catalysts

Preparation of olefin polymerization catalyst component

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

Process for forming a ziegler-natta catalyst system having a controlled morphology

Activated carbon filter

Catalyst systems of the ziegler-natta type and their preparation

Porous polymers of propylene