Patents by Inventor Anna Ursula Kara

Anna Ursula Kara 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).

  • Antimalarial activity of .beta.-carboline alkaloids
    Patent number: 6143756
    Abstract: Manzamines, administered either intraperitoneally or orally, have been found to prolong survival and inhibit parasitemia in erythrocytic stage malaria. Thus, manzamines can be used for both prophylaxis and treatment. Manzamine A is a preferred compound for use in prophylaxis or treatment.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: November 7, 2000
    Assignee: National University of Singapore
    Inventors: Anna Ursula Kara, Tatsuo Higa, Michael Holmes, Kean Hooi Ang