Patents by Inventor Bjorn Hausen

Bjorn Hausen 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).

  • Drug compositions for local treatment of alopecia areata
    Patent number: 4985464
    Abstract: A drug composition for the local treatment of alopecia areata and other dermatological diseases is disclosed. The composition contains as an active ingredient an aliphatic, alkoxy or aryl substituted cyclopropenone. Diphenylcyclopropenone is a particularly preferred representative cyclopropenone useful in the context of the present invention.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: January 15, 1991
    Inventors: Rudolf Happle, Bjorn Hausen