Patents by Inventor Dagmar Zeh-Herwerth

Dagmar Zeh-Herwerth 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).

  • Patch for transdermal application for pergolid
    Patent number: 6623752
    Abstract: The invention relates to a patch for transdermal application of pergolid and its pharmaceutically acceptable salts.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: September 23, 2003
    Assignee: Hexal AG
    Inventors: Wilfried Fischer, Anna Sendl-Lang, Dagmar Zeh-Herwerth