Patents by Inventor Udo Handrich

Udo Handrich 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).

  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten with a donor bridge
    Patent number: 6919412
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl or heterocyclopentadienyl complexes of chromium, molybdenum or tungsten, wherein at least one of the substituents of the cyclopentadienyl ring carries a rigid donor function which is not exclusively bonded through sp3-hybridized carbon or silicon atoms, and a process for polymerizing olefins.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: July 19, 2005
    Assignee: Basell Polyolefine GmbH
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Patent number: 6838563
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: January 4, 2005
    Assignee: Basell Polyolefins
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Patent number: 6787498
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: September 7, 2004
    Assignee: Basell Polyolefine GmbH
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Patent number: 6699948
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: March 2, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Publication number: 20030055267
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Application
    Filed: June 11, 2002
    Publication date: March 20, 2003
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Gunther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Publication number: 20030036658
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Application
    Filed: June 11, 2002
    Publication date: February 20, 2003
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Gunther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Publication number: 20030036662
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Application
    Filed: June 11, 2002
    Publication date: February 20, 2003
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Gunther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
    Patent number: 6437161
    Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: August 20, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
  • Preparation of metallocenes in one reaction step
    Patent number: 5641871
    Abstract: Metallocenes are prepared by a process in which a metal salt is reacted with at least one alkali metal and with an unsaturated, cyclic hydrocarbon in the presence of a solvent in one reaction step.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: June 24, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Rohde, Hans-Helmut Gortz, Udo Handrich