Patents by Inventor Iris Küllmer

Iris Küllmer 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).

  • Covalently fixed nonmetallocenes, process for preparing them and their use for the polymerization of olefins
    Patent number: 7157398
    Abstract: The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use thereof for polymerizing olefins.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: January 2, 2007
    Assignee: Celanese Ventures GmbH
    Inventors: Jörg Schottek, Jörg Schulte, Tim Dickner, Iris Küllmer
  • Method for producing mono-organoboranes or di-organoboranes
    Patent number: 6600066
    Abstract: A novel process for preparing perhalogenated monoorganoboranes or diorganoboranes which makes it possible to obtain these compounds under conditions which can readily be implemented in the industry is described.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: July 29, 2003
    Assignee: Basell Polyolefine GmbH
    Inventors: Jörg Schottek, Patricia Becker, Iris Küllmer