Patents by Inventor Frank Küber

Frank Küber has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6787618
    Abstract: A metallocene compound having the formula (I): where M1 is a metal of group IVb, Vb or VIb of the Periodic Table of Elements, two or more adjacent radicals R4 to R12 together with the atoms connecting them form one or more aromatic or aliphatic rings and if R5, R6, and R7 are hydrogen, R9 and R11 are identical or different and are a C1-C4 alkyl group, a C1-C6 alkeryl group, or a C6-C10 aryl group.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: September 7, 2004
    Assignee: Basell Polypropylen GmbH
    Inventors: Andreas Winter, Frank Küber, Bernd Bachmann
  • Patent number: 6437187
    Abstract: Novel chemical compounds have an ionic structure and in combination with an organometallic transition metal compound form a catalyst system which is advantageously used for the polymerization of olefins.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: August 20, 2002
    Assignee: Targor GmbH
    Inventors: Hans Bohnen, Cornelia Fritze, Frank Kueber
  • Patent number: 6410665
    Abstract: The present invention relates to a catalyst system containing (a) at least one compound of the formula (II): where R are each a halogen or a C1-40 group; X are each a C1-40 haloalkylene, C6-40 arylene, C6-40 haloarylene, C7-40 arylalkylene, C7-40 haloarylalkylene, C2-40 alkynylene, a haloalkynylene group containing up to 40 carbon atoms, C2-40 alkenylene, or C2-40 haloalkenylene group; M are each an element of group IIa, IIIa, IVa, or Va of the Periodic Table of the elements; A is a cation of group Ia, IIa, IIIa of the Periodic Table of the Elements; a, b, or c is an interger from 0 to 10 and if a=0 then b=0; if a≧1 then a=b·c; d, f, or g is 0 or 1 and when d=0, g is 0; j is an integer from 1 to 5 and (b) at least one metallocene.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: June 25, 2002
    Assignee: Basell Polyolefine GmbH
    Inventors: Cornelia Fritze, Frank Küber, Hans Bohnen
  • Patent number: 6410661
    Abstract: A stereorigid metallocene compound contains, as ligands, an aryl-substituted cyclopentadienyl radical, linked via a hydrogen bridge, and a substituted or unsubstituted fluorenyl radical. The novel metallocene compound is suitable as a catalyst component for olefin polymerization.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: June 25, 2002
    Assignee: Basell Polyolefine GmbH
    Inventors: Walter Kaminsky, Frank Kueber, Berthold Schiemenz, Ralf Werner, Anne-Meike Schauwienold, Frank Freidanck
  • Patent number: 6391989
    Abstract: A catalyst system comprising a) at least one support, b) at least one metallocene and c) at least one compound of the formula (I)  where M1 is an element of group IIa, IIIa, IVa or Va of the Periodic Table of the Elements, x is 0 or 1, y is 0 or 1, z is 0 or 1, A is a cation of group Ia, IIa, IIIa of the Periodic Table of the Elements, a carbenium, oxonium, phosphonium or sulfonium cation or a quaternary ammonium compound, Q1, Q2, Q3 are each a ligand system based on a biphenyl framework bound to M1 via the positions 2 and 12 and having the formula (II)  where R1, R2, R3, R4, R5, R6, R7 and R8 are identical or different and are each a hydrogen atom, a halogen atom, a C1-C40 group, or an OSiR39 group, where R9 are identical or different and are each a hydrogen atom, a halogen atom, a C1-C40 group and two or more radicals R1 to R8 may be joined to one another so as to form a monocyclic or polycyclic ring system which may be substituted.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: May 21, 2002
    Assignee: Basell Polypropylen GmbH
    Inventors: Hans Bohnen, Cornelia Fritze, Frank Kueber
  • Patent number: 6365763
    Abstract: The invention relates to a method for producing rac/meso metallocenes, the rac/meso metallocenes themselves, and their use in the production of polyolefins.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: April 2, 2002
    Assignee: Basell Polyolefin GmbH
    Inventors: Andreas Winter, Carsten Bingel, Volker Fraaije, Frank Kueber
  • Patent number: 6359095
    Abstract: A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula Ra—CH═CH—Rb, in which Ra and Rb are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms, or Ra and Rb, together with the atoms connecting them, can form a ring, at a temperature of from −60 to 200° C., at a pressure of from 0.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: March 19, 2002
    Assignee: Basell Polyolefine GmbH
    Inventors: Andreas Winter, Martin Antberg, Bernd Bachmann, Volker Dolle, Frank Küber, Jürgen Rohrmann, Walter Spaleck
  • Patent number: 6329313
    Abstract: The present invention relates to a supported chemical compound of the formula (I) in which Ac+ is a cation, c is an integer from 1 to 10, b is an integer ≧0, T is a support, y is an integer ≧1, a is an integer from 0 to 10, where a·y=c·b, and N is a unit of the formula (II)  in which R independently at each occurrence is an identical or different substituent of M1 such as a halogen atom or a C1-C40 carbon-containing group, such as a C1-C40-alkyl, C1-C40-haloalkyl, C6-C40-aryl, C6-C40-haloaryl, C7-C40-arylalkyl or C7-C40-halo-arylalkyl group, X independently at each occurrence is identical or different and is a C1-C40 carbon-containing group, for example a divalent, carbon-containing group such as a C1-C40-alkylene, C1-C40-haloalkylene, C6-C4-arylene, C6-C40-haloarylene, C7-C40-arylalkylene or C7-C40-halo-arylalkylene, C2-C40-alkynylene, C2-C40-haloalkynylene, C2-C40-alkenylene or C2-C40haloalkenylene group, or a trivalent, carbo
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: December 11, 2001
    Assignee: Basell Polyolefine GmbH
    Inventors: Cornelia Fritze, Frank Küber, Hans Bohnen
  • Patent number: 6319874
    Abstract: A process for preparing rac/meso-metallocenes, the rac/meso-metallocenes themselves and the use of the rac/meso-metallocenes for preparing isotactic polyolefins are described.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: November 20, 2001
    Assignee: Basell Polyolefine GmbH
    Inventors: Andreas Winter, Carsten Bingel, Volker Fraaije, Frank Kueber
  • Patent number: 6271164
    Abstract: A catalyst system comprises at least one metallocene and at least one passivated support and preferably at least one cocatalyst. The passivated support is prepared by treating at least one inorganic oxide with at least one organometallic compound, preferably in an inorganic solvent. A polymer having a melting point of ≧158° C., a proportion of reverse insertions of <0.2% and a triad tacticity of >98.0% can be obtained using this catalyst system.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: August 7, 2001
    Inventors: Cornelia Fritze, Bernd Bachmann, Frank Küber
  • Patent number: 6262197
    Abstract: The present invention relates to a metallocene compound containing at least two metallocene fragments L—MX2—L which are different from one another and having the formula I where B is a bridging unit, m is an integer from 2 to 100,000, M is a metal atom of group IVb, Vb or VIb of the Periodic Table of the Elements, X are identical or different in one metallocene fragment L—MX2—L and are each, independently of one another, hydrogen, a C1-C40-hydrocarbon-containing group, an OH group, a halogen atom or a pseudohalogen, L are identical or different in one metallocene fragment and are each, independently of one another, a &pgr; ligand or another electron donor. The metallocene compound can advantageously be used as a catalyst component for olefin polymerization.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: July 17, 2001
    Assignee: Targor GmbH
    Inventors: Michael Aulbach, Michael-Joachim Brekner, Frank Küber, Roland Zenk
  • Patent number: 6255531
    Abstract: The present invention relates to a chemical compound of the formula I where R are, independently of one another, identical or different and are each a halogen atom or a C1-C40-group, X are, independently of one another, identical or different and are each a C1-C40-group, M are, independently of one another, identical or different and are each an element of group IIIa, of the Periodic Table of the Elements, a is an integer from 0 to 10, b is an integer from 0 to 10, c is an integer from 0 to 10 and a=b•c, d is 0 or 1, e is 0 or 1, f is 0 or 1, g is an integer from 0 to 10, h is an integer from 0 to 10, k is an integer from 0 to 10, i is an integer from 0 to 1000, j is an integer from 1 to 6 and is a cation of group Ia, IIa, IIIa or the Periodic Table of the Elements, a carbenium, oxonium or sulfonium cation or a quaternary ammonium compound.
    Type: Grant
    Filed: June 2, 1997
    Date of Patent: July 3, 2001
    Assignee: Targor GmbH
    Inventors: Cornelia Fritz, Frank Küber, Hans Bohnen
  • Patent number: 6255508
    Abstract: The present invention relates to a process for preparing a methylene-bridged biscyclopentadienyl compound having the formula I where L are, independently of one another, identical or different and are each a cyclopentadienyl group, by reacting one or two cyclopentadienyl compounds LH with formaldehyde in monomeric, oligomeric or polymeric form or formaldehyde-generating reagents in the presence of at least one base and at least one phase transfer catalyst.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: July 3, 2001
    Assignee: Targor GmbH
    Inventors: Frank Küber, Michael Riedel, Berthold Schiemenz
  • Patent number: 6255506
    Abstract: A very effective catalyst system for the polymerization or copolymerization of olefins comprises a cocatalyst, preferably an aluminoxane or a supported aluminoxane, and a metallocene of the formula I in which, in the preferred form, M1 is Zr or Hf, R1 and R2 are halogen or alkyl, R3 is alkyl, R4 to R12 are alkyl or hydrogen and R13 is a (substituted) alkylene or heteroatom bridge. The metallocenes, in particular the zirconocenes, produce polymers of a very high molecular weight, in the case of prochiral monomers polymers of a very high molecular weight, very high stereoactivity and very high melting point, at high catalyst activities in the industrially particularly interesting temperature range between 50 and 80° C. In addition, reactor deposits are avoided by means of supported catalyst systems.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: July 3, 2001
    Assignee: Targor GmbH
    Inventors: Frank Küber, Bernd Bachmann, Walter Spaleck, Andreas Winter, Jürgen Rohrmann
  • Patent number: 6242544
    Abstract: A very effective catalyst system for the polymerization or copolymerization of olefins comprises a cocatalyst, preferably an aluminoxane or a supported aluminoxane, and a metallocene of the formula I in which, in the preferred form, M1 is Zr or Hf, R1 and R2 are halogen or alkyl, R3 is alkyl, R4 to R12 are alkyl or hydrogen and R13 is a (substituted) alkylene or heteroatom bridge. The metallocenes, in particular the zirconocenes, produce polymers of very high molecular weight, in the case of prochiral monomers polymers of very high molecular weight, very high stereotacticity and very high melting point, at high catalyst activities in the industrially interesting temperature range between 50 and 80° C.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: June 5, 2001
    Assignee: Targor GmbH
    Inventors: Frank Küber, Bernd Bachmann, Walter Spaleck, Andreas Winter, Jürgen Rohrmann
  • Patent number: 5869584
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 9, 1999
    Assignee: Targor GmbH
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang Anton Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: 5455365
    Abstract: Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligandsA highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: October 3, 1995
    Assignee: Hoechst AG
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang A. Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: RE37573
    Abstract: Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligands A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I in which, preferably M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R5 is hydrogen or alkyl, R3 and R4 are alkyl, where R3, R4 and R5 may be halogenated, —(CR7R8)m—R6—(CR7R8)n— is a single- or multi-membered chain in which R6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: March 5, 2002
    Assignee: Basell Polyolefin GmbH
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang A. Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: RE39156
    Abstract: A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula Ra—CH?CH—Rb, in which Ra and Rb are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms or Ra and Rb, together with the atoms connecting them, can form a ring, at a temperature of from ?60° to 200° C., at a pressure of from 0.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: July 4, 2006
    Assignee: Basell Polyolefine GmbH
    Inventors: Andreas Winter, Martin Antberg, Bernd Bachmann, Volker Dolle, Frank Küber, Jürgen Rohrmann, Walter Spaleck
  • Patent number: RE40121
    Abstract: The present invention relates to zwitterionic neutral transition metal compounds. The compounds are suitable as catalyst components for the polymerization of olefins.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: February 26, 2008
    Inventors: Gerhard Erker, Bodo Temme, Michael Aulbach, Bernd Bachmann, Frank Küber