Patents by Inventor Hoerst Boehlke

Hoerst Boehlke 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).

  • Substituted 2, 4-imidazolidinedione compounds as pharmaceutical active ingredients
    Patent number: 6004963
    Abstract: A substituted 2,4-imidazolidinedione compound corresponding to the formula I ##STR1## a process for production thereof and the use of these compounds in a pharmaceutical preparation are described. Substituents R1, R2, R3 and R4 have the same meaning as defined in the specification.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: December 21, 1999
    Assignee: Gruenenthal GmbH
    Inventors: Oswald Zimmer, Hoerst Boehlke, Stephan Wnendt, Cornelia Geist, Kai Zwingenberger