Patents by Inventor Hisham M. Darwish

Hisham M. Darwish 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).

  • 20-Oxo-pregnacalciferol analogs with binding affinity to the progesterone receptor
    Patent number: 5614512
    Abstract: A birth control method for a female mammal which comprises administering to the mammal an amount of a vitamin D compound sufficient to block binding of progesterone to the progesterone receptor in said mammal. The vitamin D compounds are 20-oxo-pregnacalciferol analogs, preferably 3-desoxy-20-oxo-19-nor-pregnacalciferol and its 2-oxo analog.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: March 25, 1997
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Kato L. Perlman, Rafal R. Sicinski, Hisham M. Darwish
  • Vitamin D compounds with anti-progesterone activity
    Patent number: 5397776
    Abstract: A birth control method for a female mammal which comprises administering to the mammal an amount of a vitamin D compound sufficient to block binding of progesterone to the progesterone receptor in said mammal.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: March 14, 1995
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Kato L. Perlman, Hisham M. Darwish