Patents by Inventor Hya Nifant'ev

Hya Nifant'ev 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 complex
    Publication number: 20070155918
    Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system, comprising at least one of these monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable therewith.
    Type: Application
    Filed: August 11, 2003
    Publication date: July 5, 2007
    Applicant: Basell Polyolefine GmbH
    Inventors: Shahram Mihan, Hya Nifant'ev