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Andreas Winter, Walter Spaleck, Bernd Bachmann: Process for the preparation of polyolefins. Connolly & Hutz, December 9, 1997: US05696045 (71 worldwide citation)

Polyolefins with a molecular weight distribution M.sub.w /M.sub.n .gtoreq.3.0, which may be monomodal, bimodal or multimodal, can be obtained by polymerization or copolymerization of olefins with a catalyst system consisting of an aluminoxane and a transition metal component (metallocene), in which ...


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Andreas Winter, Horst Bormuth, Bernd Bachmann: Polyolefin molding composition for the production of molding of high rigidity and transparency by injection molding. Hoechst Aktiengesellschaft, John M Genova, January 28, 1997: US05597881 (55 worldwide citation)

A polyolefin molding composition essentially comprising a polyolefin derived from an olefin having at least 3 carbon atoms, of the formula R.sup.a --CH.dbd.CH--R.sup.b, in which R.sup.a and R.sup.b are identical or different and are hydrogen or C.sub.1 -C.sub.15 -alkyl, straight-chain or branched, o ...


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Andreas Winter, Martin Antberg, Bernd Bachmann, Volker Dolle, Frank Kuber, Jurgen Rohrmann, Walter Spaleck: Process for the preparation of polyolefins. Hoechst Aktiengesellschaft, John M Genova, September 30, 1997: US05672668 (52 worldwide citation)

A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula R.sup.a --CH.dbd.CH--R.sup.b, in which R.sup.a and R.sup.b are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms, or R.sup.a and R.su ...


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Andreas Winter, Frank Kuber, Michael Aulbach, Bernd Bachmann, Robert Klein, Klaus Kuhlein, Walter Spaleck, Christian Kohlpaintner: Metallocene compound. Hoechst Aktiengesellschaft, Connolly & Hutz, July 2, 1996: US05532396 (51 worldwide citation)

The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization.


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Andreas Winter, Frank K uber, Michael Aulbach, Bernd Bachmann, Robert Klein, Klaus K uhlein, Walter Spaleck, Christian Kohlpaintner: Metallocene compound. Hoechst, Connolly & Hutz, August 6, 1996: US05543373 (47 worldwide citation)

The present invention relates to a metallocene compound of the formula I ##STR1## which can advantageously be used as catalyst component for olefin polymerization.


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Michael Aulbach, Bernd Bachmann, Gerhard Erker, Christian Psiorz, Frank Kuber, Frank Osan, Thomas Weller, Hans Friedrich Herrmann: Process for the preparation of polyolefins. Hoechst, Connolly & Hutz, October 15, 1996: US05565534 (46 worldwide citation)

The present invention relates to a process for the preparation of a polyolefin by polymerization of at least one olefin in the presence of a stereorigid metallocene compound containing, as ligands, at least two substituted or unsubstituted cyclopentadienyl groups bonded to one another via a monocycl ...


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Andreas Winter, Annette Vollmar, Friedrich Kloos, Bernd Bachmann: Process for producing fibers, filaments and webs by melt spinning. Targor, Connolly & Hutz, February 9, 1999: US05868984 (45 worldwide citation)

Polyolefin molding composition consisting essentially of a polyolefin formed from an olefin having at least 3 carbon atoms of the formula R.sup.a --CH.dbd.CH--R.sup.b, where R.sup.a and R.sup.b are identical or different and each is hydrogen or C.sub.1 -C.sub.15 -alkyl, straight-chain or branched, o ...