Patents by Inventor Hans-Helmut Gortz

Hans-Helmut Gortz 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).

  • 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