Patents by Inventor Thomas Struengmann

Thomas Struengmann 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 drug preparation
    Patent number: 5738869
    Abstract: The invention concerns a transdermal active-substance combination containing phospholipid, alcohol and vitamin E.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: April 14, 1998
    Assignee: Haxal AG
    Inventors: Wilfried Fischer, Thomas Struengmann