Patents by Inventor Guenter Cordes

Guenter Cordes 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).

  • Transdermal hormone patch
    Patent number: 5985311
    Abstract: A transdermal therapeutic system (TTS) which contains as the active ingredients an oestrogen and a gestagen or a gestagen or androgen as well as an acrylate adhesive and, as resorption promoters, the two substances oleic acid and 2-(2-ethoxyethoxy)ethanol.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: November 16, 1999
    Assignee: Labtec Gesellschaft fuer techologische Forschung und Entwicklung mbH
    Inventors: Guenter Cordes, Martin Siegmund