Basf Aktiengesellschaft

Basell Polyolefine Gmbh

Borealis Ag

Benno Bildstein

Marc Oliver Kristen

Alexander Krajete

Michael Malaun

Christoph Amort

Shahram Mihan

Andrei Gonioukh

Dieter Lilge

Lars Kölling

Stephan Lehmann

Peter Preishuber-Pflügl

Alexander Solchinger

Peter Denifl

Eberhard Ernst

Jens Reussner

Wolfgang Micklitz

Georg Steiner

Sascha Schlawjinski

Peter Preishuber-Pfl&uuml;gl

Ulrich Siemeling

Oliver Kuhnert

Andreas Hradsky

Christine Schliessburg

Karl Heinz Thiele

Process for the preparation of monoimine compounds, wherein a dicarbonyl compound is reacted in an aliphatic, non-aromatic solvent with aniline. Monoimine compounds having electron-withdrawing substituents in the ortho position and unsymmetric bis(imino) compounds and unsymmetric iron complexes prepared therefrom and the use thereof in the polymerization of olefins.

Process for the preparation of unsymmetric bis(imino) compounds

The present invention relates to transition metal compounds of the formula (I), a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of at least one olefin in the presence of at least one of the catalyst systems according to the invention and the use of the ligand systems according to the invention for preparing transition metal compounds.

Transition metal compound, ligand system, catalyst system and process for preparing polyolefins

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one bridged keto, thioketo, imino or phosphino group, a catalyst system comprising at least one of the monocyclopentadienyl complexes and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.

Monocyclopentadienyl complexes

The invention relates to non-metallocene catalyst systems useful for preparing olefin homopolymers or copolymers. The catalyst systems comprise a cocatalyst and a Group 3-10 transition metal compound that incorporates a diimine ligand in which sp-hybridized carbons of the imine groups are joined by a specific divalent one- or two-membered bridge (Y) comprising nitrogen and/or oxygen. The invention includes the diimine ligands, the transition metal compounds, the catalyst systems, and processes for making the ligands, transition metal compounds, catalyst systems, and olefin homopolymers or copolymers. 

Polymerization catalysts, preparation of polyolefins, organotransition metal compounds and ligands

Catalysts for the polymerization of unsaturated compounds

Complexes of the formula I,where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerisation processes, gas-phase polymerization processes, bulk polymerization processes or emulsion polymerization processes.

Ligands, complexes and their use for the polymerization of olefins

Complexes of the formula Iwhere M&#x2550;Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.

Metal complexes of iminohydroxamic acids

Complexes of the formulae Ia and Ibwhere M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.

Complexed compounds and use thereof for the polymerization of olefins

The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M=Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins. For example in suspension polymerization methods, gas phase polymerization methods and bulk polymerization methods

Coordination compounds and their use for the polymerization of olefins

Complexes of the formulae I a to d,where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes, bulk polymerization processes and emulsion polymerization processes.

Complex compounds and their use in olefin polymerization

Complexes of the formula I,where M is an element of group 6 to 10 of the Period Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerisation processes, gas-phase polymerization processes, bulk polymerization processes or emulsion polymerization processes.

Ligands, complex compounds and their use for polymerising olefins

Complexes of the formulae Ia and Ibwhere M=Ti, Zr, Hf, V, Nb, Ta, Cr, Ni, Pd, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.

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Innsbruck, Austria

Benno Bildstein