Patents by Inventor Frank Kuber

Frank Kuber 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: 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: 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
  • Publication number: 20010021755
    Abstract: Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts.
    Type: Application
    Filed: January 8, 2001
    Publication date: September 13, 2001
    Inventors: Frank Kuber, Bernd Bachmann, Walter Spaleck, Andreas Winter, Jurgen Rohrmann
  • 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: 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: 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: 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: 6124231
    Abstract: The present invention relates to a supported composition, to processes for its preparation and to its use for polymerizing olefins. The supported catalyst composition comprises at least one transition metal compound of subgroup 3, 4 or 5 of the ##STR1## Periodic Table of the Elements and at least one cocatalyst having the formula II in which R.sup.6 independently at each occurrence are a halogen atom or a C.sub.1 -C.sub.40 carbon-containing group, X is independently at each occurrence a C.sub.1 -C.sub.40 carbon containing group, M.sup.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: September 26, 2000
    Assignee: Targor GmbH
    Inventors: Cornelia Fritze, Frank Kuber, Hans Bohnen
  • Patent number: 6114556
    Abstract: Metallocene compound and its use as catalyst component The present invention relates to a multinuclear metallocene compound of the formula I, ##STR1## where M.sup.1 is a tetravalent metal, L.sup.1 are, independently of one another, identical or different and are each a substituted cyclopentadienyl group, L.sup.2 and L.sup.3 are, independently of one another, identical or different and are each a .pi. ligand, B are, independently of one another, identical or different and are each a divalent bridging unit, X are, independently of one another, identical or different and are each a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.10 -fluorocarbon radical or a hydrocarbon-containing radical having 1-40 carbon atoms, and k is an integer from 0 to 10. The metallocene compound of the present invention is suitable as a catalyst component for preparing olefin polymers.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: September 5, 2000
    Assignee: Targor GmbH
    Inventors: Michael Aulbach, Cornelia Fritze, Hans-Friedrich Herrmann, Frank Kuber, Walter Spaleck, Roland Zenk
  • Patent number: 6063949
    Abstract: The present invention relates to a stereorigid metallocene compound having as ligands at least two substituted or unsubstituted cyclopentadienyl groups which are connected to one another via a five-membered ring, where at least one cyclopentadienyl group is fused onto the five-membered ring and the ligand system of the stereorigid metallocene compound is different from 4-[.eta..sup.5 -3'-alkylcyclopentadienyl)-4,6,6-trimethyl-(.eta..sup.5 -2-alkyl-4,5-tetrahydropentalene]. The metallocene compound of the invention is suitable as a catalyst component for olefin polymerization.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: May 16, 2000
    Assignee: Targor GmbH
    Inventors: Michael Aulbach, Frank Kuber, Michael Riedel, Freddy Helmer-Metzmann
  • Patent number: 6057408
    Abstract: A copolymer having from 80 to 40% by weight of propylene units, based on the total polymer, and from 20 to 60% by weight of at least one comonomer, based on the total polymer. The comonomer units are prepared from ethylene or olefins having at least 4 carbon atoms and the formula R.sup.a --CH.dbd.CH--R.sup.b, where R.sup.a and R.sup.b are identical or different and are each a hydrogen atom or an alkyl radical having from 1 to 15 carbon atoms, or R.sup.a and R.sup.b, together with the carbon atoms connecting them, form a ring having 4 to 12 carbon atoms. The copolymer has a viscosity number of greater than 200 cm.sup.3 /g.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: May 2, 2000
    Assignee: Targor GmbH
    Inventors: Andreas Winter, Frank Kuber, Bernd Bachmann
  • Patent number: 6051727
    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 ##STR1## in which, in the preferred form, M.sup.1 in Zr or Hf, R.sup.1 and R.sup.2 are halogen or alkyl, R.sup.3 is alkyl, R.sup.4 to R.sup.12 are alkyl or hydrogen and R.sup.13 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 particularly interesting temperature range between 50 and 80.degree. C. In addition, reactor deposits are avoided by means of supported catalyst systems.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: April 18, 2000
    Assignee: Targor GmbH
    Inventors: Frank Kuber, Bernd Bachmann, Walter Spaleck, Andreas Winter, Jurgen Rohrmann
  • Patent number: 6051522
    Abstract: A catalyst containing the combination which comprises:(a) an aluminoxane, a compound of the formula R.sub.x NH.sub.4-x, BR'.sub.4, R.sub.x PH.sub.4-x, BR'.sub.4, R.sub.3 CBR'.sub.4 or BR'.sub.3, or a mixture thereof wherein X is an integer from 1 to 4 and the radicals R are identical or different and are a C.sub.1 -C.sub.10 -alkyl or a C.sub.6 -C.sub.18 -aryl or 2 radicals R together with the atom joining them form a ring, and the radicals R' are identical or different and are a C.sub.6 -C.sub.18 -aryl which optionally are substituted by alkyl, haloalkyl or fluorine, and(b) a metallocene of the formula VI ##STR1## in which M.sup.1 is titanium, zirconium, hafnium, vanadium, niobium or tantalum,R.sup.1 is (C.sub.3 -C.sub.20)alkyl, (C.sub.6 -C.sub.14)aryl, (C.sub.4 -C.sub.10)alkoxy, (C.sub.2 -C.sub.10)alkenyl, (C.sub.7 -C.sub.20)arylalkyl, (C.sub.7 -C.sub.20)alkylaryl, (C.sub.6 -C.sub.10)aryloxy, (C.sub.1 -C.sub.10)fluoroalkyl, (C.sub.6 -C.sub.10)halogenoaryl, (C.sub.2 -C.sub.10)alkynyl; a radical --SiR.sup.6.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 18, 2000
    Assignee: Targor GmbH
    Inventors: Jurgen Rohrmann, Frank Kuber
  • Patent number: 6028152
    Abstract: Disclosed is a catalyst system and method of polymerizing olefins, wherein the catalyst comprises a bridged metallocene of the following structure: ##STR1## wherein M.sup.1 is a transition metal of groups 4-6, R.sup.1 -R.sup.9 is hydrogen or other groups with the proviso that substituents R.sup.3 and R.sup.6 are not hydrogen, and wherein the metallocene is present in the meso form or in a mixture including both the meso and racemic forms.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: February 22, 2000
    Assignee: Targor GmbH
    Inventors: Andreas Winter, Martin Antberg, Bernd Bachmann, Volker Dolle, Frank Kuber, Jurgen Rohrmann, Walter Spaleck
  • 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