Patents Assigned to Haxal AG
  • 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