Abstract: The present invention relates to organometallic compounds of transition metals with an indenyl ligand bonded in the 2-position and substituted in the 1,3-position, a process for their production, and their use as catalysts for the (co)polymerization of olefinic and/or diolefinic monomers.

Abstract: The present invention relates to a novel dendrimic compounds, to a method for the production thereof and to the use thereof as catalysts for the production of polymers, in particular to the use thereof as co-catalysts for metallocenes for polymerizing unsaturated compounds.

Abstract: The present invention relates to transition metal organometallic compounds with an indenyl ligand attached in position 2 and fused in position 5,6, to a process for the production thereof and to the use thereof as catalysts for the (co)polymerization of olefinic and/or diolefinic monomers.

Abstract: The present invention relates to a novel dendrimic compounds, to a method for the production thereof and to the use thereof as catalysts for the production of polymers, in particular to the use thereof as co-catalysts for metallocenes for polymerizing unsaturated compounds.

Abstract: The present invention relates to organometallic compounds of transition metals with an indenyl ligand bonded in the 2-position and substituted in the 1,3-position, a process for their production, and their use as catalysts for the (co)polymerization of olefinic and/or diolefinic monomers.

Abstract: The present invention relates to the use of new catalysts containing a metal-free cyclopentadienide compound and a transition-metal compound for the polymerization of unsaturated compounds, in particular of conjugated dienes.

Abstract: The present invention relates to a process for the preparation of fulvene complexes, and their use as catalysts for the polymerization of unsaturated compounds.

Abstract: This invention relates to a catalyst system based on fulvene metal complexes as well as their use for the polymerization of unsaturated compounds, in particular for the polymerization and copolymerization of olefins and/or dienes.

Abstract: The present invention relates to a metal-free cyclopentadienide compound which, in conjunction with a metallocene, is able to form a catalyst system that can be used for the polymerization of olefins. It is thus possible to dispense with the use of methylaluminoxane (MAO) or boron-containing compounds as co-catalyst and nevertheless achieve a high degree of catalytic activity. The invention relates also to a process for the preparation of the metal-free cyclopentadienide compound and to the use thereof as a catalyst component in the preparation of polyolefins.

Abstract: The present invention relates to a composition based on monofluorometal complexes, a process for the production of monofluorometal complexes, in particular a catalyst system comprising metallocene monofluorides and aluminum alkyls, as well as the use of the catalyst system for the polymerization of unsaturated compounds, in particular for the polymerization and copolymerization of olefins and/or dienes.

Abstract: The invention relates to a process for the preparation of polyolefins by polymerizing olefins of the formula CH2CHR in which R=H or C1-C10 alkyl, on their own or as a mixture, if appropriate together with C4-C12 &agr;,&ohgr;-diolefins, in solvents, liquid monomers or the gas phase, at temperatures between −50° and 200° C.

Abstract: Group 4 metal-containing organosilicon dendrimers are described. Also described are methods for synthesizing the dendrimers. The dendrimers can be useful in several applications including as olefin polymerization and copolymerization catalysts and as silane polymerization catalysts.

Abstract: The present invention relates to a catalyst system based on fluorine-containing metal complexes, particularly a catalyst system consisting of metallocene fluorides and aluminum alkyls, and relates to the use of said catalyst system for the polymerization of unsaturated compounds, particularly for the polymerization and copolymerization of olefins and/or dienes.

Abstract: This invention relates to a catalyst system based on fulvene metal complexes as well as their use for the polymerization of unsaturated compounds, in particular for the polymerization and copolymerization of olefins and/or dienes.

Abstract: The present invention relates to transition metal organometallic compounds with an indenyl ligand attached in position 2 and fused in position 5,6, to a process for the production thereof and to the use thereof as catalysts for the (co)polymerization of olefinic and/or diolefinic monomers.

Abstract: The present invention relates to a catalyst system based on fulvene cyclopentadienyl metal complexes, to a method of producing said catalyst system and to the use thereof for the polymerization and copolymerization of olefins and/or dienes.

Abstract: Organometallic compounds of transition metals containing optionally tetrahydrogenated 2-indenyl as a first ligand of the formula wherein A represents the benzo system or the tetrahydrocyclohexyl system and the other symbols have the range of meanings given in the description, are prepared by reaction of with Mg or Zn and with a dihalide Hal2—Y—Hal3 (III) to form the novel intermediates further reaction with ZM2p(Va) or ZR9p(Vb) to form and further reaction with a transition metal compound of the formula M1Xq(VIII). Many compounds (I) are not C2-symmetrical. The compounds (I) can be used as catalysts for the (co)polymerization of olefins, diolefins and/or cycloolefins.

Abstract: A method of producing metal fulvene insertion complexes, as well as new fulvene metal insertion complexes and the use thereof as catalysts for the polymerization of olefins and/or dienes and as hydrogenation catalysts.

Abstract: The present invention relates to a catalyst system based on monoazadiene metal complexes of the formula ##STR1## and a co-catalyst suitable for activating the metal complex, and to the use of the catalyst system for the polymerization of unsaturated compounds, especially for the polymerization and copolymerization of olefins and/or dienes.The novel catalyst system is characterised in particular by its ease of access, its lack of sensitivity to external influences and its ease of handling.